Publications about Fluoropolymers from the Polymer Library
The following truncated abstracts are selected from Rapra's web based Polymer Library. By clicking on the 6 digit accession number or title, a Copyright Cleared copy of the full-text article can be ordered. For more information about our free Polymer Contents service or subscription based Polymer Library , please go to http://www.PolymerLibrary.com
| 977708 | SYNTHESIS OF HYPERBRANCHED FLUOROPOLYMERS BY SELF-CONDENSING VINYL COPOLYMERIZATION. |
| Hyperbranched fluoropolymers (HBFP) were synthesised by atom transfer radical self-condensing vinyl copolymerisation of an inimer (either p-chloromethylstyrene or p-bromomethylstyrene) with pentafluorostyrene. The molecular weight of HBFP increased steadily with increasing polymerisation times and t ......... | |
| (The original document is in English and was published in 2005). | |
| 977204 | ALTERNATIVE TRIFLUOROVINYL ETHER DERIVED FLUOROPOLYMER MEMBRANES AND FUNCTIONALIZED CARBON COMPOSITE ELECTRODES FOR FUEL CELLS. |
| The fabrication of polymer membranes for fuel cell applications based on perfluoroalkylsulphonimide ionomers and perfluorocyclobutyl polymers and ionomers derived from trifluorovinyl ether monomers by radical polymerisation and step-growth polymerisation is reviewed. The design of composite electrod ......... | |
| (The original document is in English and was published in 2006). | |
| 976131 | COACERVATION MICROENCAPSULATION OF TALC PARTICLES WITH A FLUOROPOLYMER BY PRESSURE-INDUCED PHASE SEPARATION OF SUPERCRITICAL CARBON DIOXIDE SOLUTIONS. |
| The coacervation microencapsulation of talc microparticles with the fluoropolymer, poly(heptadecafluorodecyl acrylate), by pressure-induced phase separation of supercritical carbon dioxide solution is described. The structure and morphology of the microparticles were investigated using SEM and an el ......... | |
| (The original document is in English and was published in 2006). | |
| 973454 | COMPLEX AMPHIPHILIC NETWORKS DERIVED FROM DIAMINE-TERMINATED POLY(ETHYLENE GLYCOL) AND BENZYLIC CHLORIDE-FUNCTIONALIZED HYPERBRANCHED FLUOROPOLYMERS . |
| The preparation of amphiphilic copolymer networks from hyperbranched a fluoropolymer and linear diamine-terminated polyethylene glycol is reported. Model studies show that the crosslinking mechanism occurs at ambient temperature as a result of reaction between PEG and benzylic chloride groups on the ......... | |
| (The original document is in English and was published in 2006). | |
| 972604 | SUITABILITY OF SOME FLUOROPOLYMERS USED AS BASE FILMS FOR PREPARATION OF POLYMER ELECTROLYTE FUEL CELL MEMBRANES. |
| Radiation grafting is a well-established technique for the preparation of polymer electrolyte membranes for fuel cells. The nature of the base films is an important parameter which is in close relation to the properties of the fuel cell membranes. In this study, six commercially available fluoropoly ......... | |
| (The original document is in English and was published in 2006). | |
| 971168 | POSITRON/POSITRONIUM ANNIHILATION AS A PROBE FOR CHEMICAL ENVIRONMENTS OF FREE VOLUME HOLES IN FLUOROPOLYMERS . |
| The sensitivity of the Doppler-broadening of positron annihilation radiation (DBAR) for the chemical environment of free volume holes was studied for fluorinated polymers. The free volume was characterized by positron annihilation lifetime spectroscopy (PALS). For this study, we prepared three serie ......... | |
| (The original document is in English and was published in 2006). | |
| 969915 | DEVELOPMENT OF FLUOROPOLYMER ELECTROLYTE MEMBRANES FOR FUEL CELL APPLICATIONS BY THE GAMMA-RAY INDUCED CROSSLINKING AND GRAFT POLYMERIZATION METHODS. |
| The preparation of sulphonated electrolyte membranes having six times higher oxidation resistance compared with conventional styrene/divinylbenzene grafted membranes and methanol permeability ten times lower than that of Nafion is reported. It involves graft copolymerising styrene derivatives with h ......... | |
| (The original document is in Japanese and was published in 2006). | |
| 969626 | SURFACE PROPERTIES OF THE NOVEL FLUOROPOLYMER HAVING EXTREMELY LOW SURFACE ENERGY. |
| Synthesis of a novel fluoropolymer, a polyoxyethylene with fluorinated alkyl side chains, is described. The polymer had a hydrophilic backbone with hydrophobic side chains, and surface properties of films were characterised by water contact angle, electron spectroscopy for chemical analysis and near ......... | |
| (The original document is in English and was published in 2005). | |
| 969386 | WEATHERABILITY AND WEAR RESISTANCE CHARACTERISTICS OF PLASMA FLUOROPOLYMER COATINGS DEPOSITED ON AN ELASTOMER SUBSTRATE. |
| The weathering characteristics of thin film formed from plasma polymerisation of perfluoro(methylcyclohexane) on an EPDM substrate under cold plasma process operated at 13.56 MHz was investigated using an ATLAS Ci 3000 Xenon weatherometer. The effects of weathering conditions on the chemical composi ......... | |
| (The original document is in English and was published in 2006). | |
| 969309 | ADHESION TO FLUOROPOLYMERS . |
| This review considers the basic principles of adhesion relating to fluoropolymers. Descriptions are given of techniques which have greatly increased the understanding of adhesion to fluoropolymers. These include X-ray photoelectron spectroscopy. Cases are also described in which a good adhesion can ......... | |
| (The original document is in English and was published in 2006). | |
| 967341 | NEW AMORPHOUS FLUOROPOLYMERS OF TETRAFLUOROETHYLENE WITH FLUORINATED AND NON-FLUORINATED TRICYCLONONENES. SEMICONDUCTOR PHOTORESISTS FOR IMAGING AT 157 AND 193 NM. |
| New amorphous fluoropolymers of tetrafluoroethylene with fluorinated and non-fluorinated tricyclononenes are synthesised by radical polymerisation. The polymers have good thermal stability, solubility in standard organic solvents and glass transition temperatures around 150C. A wide range of functio ......... | |
| (The original document is in English and was published in 2006). | |
| 962207 | IONIC POLYMER-METAL COMPOSITE ACTUATORS EMPLOYING RADIATION-GRAFTED FLUOROPOLYMERS AS ION-EXCHANGE MEMBRANES. |
| Three new ion-exchange membranes were prepared and used in ionic polymer-metal composite (IPMC) construction. The membranes were prepared by radiation grafting of polystyrenesulphonic acid on to poly(vinylidene fluoride-co-hexafluoropropylene), poly(ethylene-co-tetrafluoroethylene) and poly(tetraflu ......... | |
| (The original document is in English and was published in 2006). | |
| 962028 | BISFLUOROALCOHOL MONOMERS AND POLYMERS. IMPROVED TRANSPARENCY FLUOROPOLYMER PHOTORESISTS FOR SEMICONDUCTOR PHOTOLITHOGRAPHY AT 157 NM. |
| Details are given of the synthesis of alternating copolymers consisting of norbornene and tricyclononene monomers bearing hexafluoropropanol substituents polymerised with tetrafluoroethylene in solution. The solubility of the copolymer in aqueous tetramethylammonium hydroxide was determined. The pro ......... | |
| (The original document is in English and was published in 2006). | |
| 958420 | SYNTHESIS AND CHARACTERIZATION OF FLUOROPOLYMER MODIFIED POLYACRYLATE IN EMULSION POLYMERIZATION. |
| Details are given of a method of producing fluorine-containing polyacrylate emulsions. The emulsion was prepared by the copolymerisation of methyl methacrylate, styrene, butyl acrylate and methacrylic acid in the presence of swollen particles of PTFE. Molecular structures and properties were determi ......... | |
| (The original document is in English and was published in 2006). | |
| 958004 | DESIGN, SYNTHESIS, AND CHARACTERIZATION OF LINEAR FLUORINATED POLY(BENZYL ETHER)S: A COMPARISON STUDY WITH ISOMERIC HYPERBRANCHED FLUOROPOLYMERS . |
| The synthesis of a linear fluorinated poly(benzyl ether) by condensation polymerisation of the protected monomer, 3-(((t-butyl)dimethylsilyl)oxy)- 5-((2',3',4',5',6'-pentafluoro)oxy)benzyl alcohol followed by deprotection and alkylation with pentafluorobenzyl bromide, is described. The product was c ......... | |
| (The original document is in English and was published in 2005). | |
| 957624 | MOUNTING SUPPORT FOR LARGE PARTICLES IN FLUOROPOLYMER PROCESS AIDS. |
| The use of fluoropolymers as polyolefin processing aids which function by depositing a thin fluoropolymer layer on internal die surfaces, thereby encouraging slip at the fluoropolymer-polyolefin interface during melt processing, is described. In-situ measurements of coating development within an ext ......... | |
| (The original document is in English and was published in 2005). | |
| 956863 | FLUOROPOLYMERS SHINE IN CONSTRUCTION, IT, AUTOS. |
| Due to the low surface tension of fluoropolymers, films processed from them, typically ETFE, are virtually self-cleaning. They have been used in roof structures for sports stadiums, swimming pools and botanical gardens, and extensively in greenhouses in Japan. Fluoropolymers are also playing a role ......... | |
| (The original document is in English and was published in 2005). | |
| 956411 | FABRICATION OF PATTERNED POLYPYRROLE ON FLUOROPOLYMERS FOR pH SENSING APPLICATIONS. |
| Patterns of polypyrrole (PPy) were fabricated on flexible PTFE films using a combination of microcontact printing, electroless deposition of copper and electropolymerisation of pyrrole. A patterned elastomeric stamp was used to deliver a nitrogen-containing silane coupling agent to an argon plasma-p ......... | |
| (The original document is in English and was published in 2005). | |
| 955881 | AN EXAMINATION INTO THE EFFECTS OF A FLUOROPOLYMER ADDITIVE IN NYLON 6/6 NEAT INJECTION MOLDING RESINS. |
| A fluoropolymer additive can be used to aid in the processability of resins and to improve some physical properties of the final part. The changes in processability and physical properties are explored. This study examines the effects of the base resin with a loading of fluoropolymer at 0.00% , 0.10 ......... | |
| (The original document is in English and was published in 2005). | |
| 955491 | MULTI-PLY SHEETS MADE FROM ORIENTED POLYIMIDE- FLUOROPLASTIC FILMS. |
| Multi-ply sheets were obtained whose mechanical properties were controlled by the laying at different angles of uniaxially oriented polyimide-fluoroplastic films with a different degree of stretching, and including structures with different thicknesses of the reinforcing polyimide base. The sheets w ......... | |
| (The original document is in English and was published in 2005). | |
| 954888 | NANOPOROUS, ULTRALOW-DIELECTRIC-CONSTANT FLUOROPOLYMER FILMS FROM AGGLOMERATED AND CROSSLINKED HOLLOW NANOSPHERES OF POLY(PENTAFLUOROSTYRENE)-BLOCK-POLY(DIVINYLBENZENE). |
| The synthesis of films of agglomerated and crosslinked hollow nanospheres of poly(pentafluorostyrene-b-divinylbenzene) by surface initiated atom transfer radical polymerisation of pentafluorostyrene and divinylbenzene on silica nanoparticles, followed by crosslinking of the outer layer of poly(divin ......... | |
| (The original document is in English and was published in 2005). | |
| 952992 | ADHESION OF MICROWAVE-PLASMA-TREATED FLUOROPOLYMERS TO THERMOSET VINYLESTER. |
| The surfaces of sheet polytetrafluoroethylene (PTFE) and of poly(fluoroethylene-co-fluoropropylene) (FEP) were subjected to microwave plasma treatment using both inert (argon) and reactive plasma gases (hydrogen, oxygen and nitrogen). PTFE/PTFE and FEP/FEP lap joints were bonded using a bisphenol A ......... | |
| (The original document is in English and was published in 2005). | |
| 952861 | FLUOROPOLYMERS : FITTING THE BILL FOR MEDICAL APPLICATIONS. |
| The properties, processing and medical applications of fluoropolymers such as poly(tetrafluoroethylene), poly(vinylidene fluoride) and ethylene-chlorotrifluoroethylene copolymer are reviewed. Processing methods, such as melt extrusion and paste extrusion, and properties of fluoropolymers, including ......... | |
| (The original document is in English and was published in 2005). | |
| 952271 | THE MOUNTING SUPPORT FOR LARGE PARTICLES IN FLUOROPOLYMER PROCESS AIDS. |
| Recent advances in fluoropolymer processing aid technology are described, focusing on the development of DuPont Performance Elastomers' Z technology processing aids designed to reduce fluoropolymer dispersion, deliver larger particles to extrusion dies and eliminate melt fracture. Future trends in f ......... | |
| (The original document is in English and was published in 2005). | |
| 951975 | NEW FLUOROPOLYMERS FOR NEXT GENERATION PHOTOLITHOGRAPHIC TECHNIQUES. |
| Synthesis and chemical modification of fluorinated copolymers based on a commercial amorphous fluorinated copolymer, and deprotection by photochemical cleavage to give high contrast imaging on photoresists, are briefly described. Lithography at 193nm and 157nm was shown to be possible, whilst polyme ......... | |
| (The original document is in English and was published in 2005). | |
| 950857 | OPTIMIZING PROCESS AID PERFORMANCE BY CONTROLLING FLUOROPOLYMER PARTICLE SIZE. |
| Optimisation of the particle size of fluoropolymer processing aids based on vinylidene fluoride-hexafluoropropylene copolymers, used to eliminate melt fracture during the extrusion of polyolefins such as linear low-density polyethylene, was investigated. A quantitative model of the fluoropolymer coa ......... | |
| (The original document is in English and was published in 2005). | |
| 949042 | THERMAL DECOMPOSITION OF FLUOROPOLYMERS AND FIRING CHARACTERISTICS OF PRIMING COMPOSITIONS WITH FLUOROPOLYMERS . |
| Thermogravimetric analysis, differential thermal analysis and differential scanning calorimetry were used to examine the thermal decomposition properties of three different commercial fluoropolymers with a potential use as binders in pyrotechnic applications. Surface morphology of polymers after hea ......... | |
| (The original document is in English and was published in 2005). | |
| 948030 | SYNTHESIS AND CHARACTERIZATION OF NOVEL FLUOROPOLYMERS CONTAINING SULFONYL AND PERFLUOROCYCLOBUTYL UNITS. |
| The synthesis of a series of sulphonyl-containing perfluorocyclobutyl polymers from a novel monomer, 4,4'-sulphonyl- bis(trifluorovinyloxy)biphenyl, by bulk and solution polymerisation is described. The polymers are characterised by FTIR spectroscopy, GPC, NMR spectroscopy, DSC and TGA and the effec ......... | |
| (The original document is in English and was published in 2005). | |
| 945675 | FLUOROPOLYMER PROPERTY ENHANCEMENT VIA INCORPORATION OF FLUORINATED POLYHEDRAL OLIGOMERIC SILSESQUIOXANES (FLUOROPOSS). |
| Fluorinated polyhedral oligomeric silsesquioxanes (FluoroPOSS) are the newest class of POSS compounds. These compounds have the highest molecular weights and highest densities of any POSS compounds yet produced. They also have remarkable surface properties, which have been observed in water contact ......... | |
| (The original document is in English and was published in 2004). | |
| 945556 | EFFECTS OF LATEX PARTICLE MORPHOLOGY ON THE FILM FORMATION AND PROPERTIES OF FLUOROPOLYMER -BASED LATEX PAINTS. |
| Commercial PVDF paints have a hybrid binder structure, being comprised of about 70 wt% PVDF and 30 wt% of a miscible acrylic resin in a semi-crystalline interpenetrating network-type structure. Since the PVDF solvent dispersions contain substantial levels of VOCs and require a high temperature bake, ......... | |
| (The original document is in English and was published in 2005). | |
| 944208 | MELT PROCESSABLE FLUOROPLASTICS . |
| The properties of melt-processable fluoropolymers from Solvay Solexis are discussed and their applications are listed. The materials include HYLAR and SOLEF PVDF, HALAR ECTFE and HYFLON PFA and MFA (copolymers of TFE and perfluoroalkoxy vinyl ethers). Data are included on the tensile properties, m.p ......... | |
| (The original document is in English and was published in 2005). | |
| 944183 | APPLICATION OF NANOTECHNOLOGY IN FLUOROPOLYMERS . |
| A route to nano-reinforcement involving the crystalline domains of a perfluoropolymer, which are introduced during the polymerisation stage of an elastomer, is described. Data on the stress-strain properties, thermal stability and chemical resistance of the nanocomposites are discussed. It is shown ......... | |
| (The original document is in English and was published in 2005). | |
| 941593 | BORON NITRIDE AND FLUOROPOLYMER COMBINATIONS: INTERACTIONS AND THEIR PERFORMANCE AS PROCESSING AIDS. |
| An investigation was carried out to determine the adsorption capacity of various grades of boron nitride for two processing aids, a vinylidene fluoride-hexafluoropropylene copolymer and LLDPE. The effect of adsorption capacity on the performance of the processing aids in the extrusion of Ziegler-Nat ......... | |
| (The original document is in English and was published in 2005). | |
| 940928 | SELECTIVE NMR PULSE SEQUENCES FOR THE STUDY OF SOLID HYDROGEN-CONTAINING FLUOROPOLYMERS . |
| The use of fluorine-19 NMR spectroscopy for the analysis of solid hydrogen-containing fluoropolymers is discussed. The existence of proton and fluorine spin centres permits either proton or fluorine-19 relaxation to be selected for particular experiments. The various relaxation characteristics of he ......... | |
| (The original document is in English and was published in 2005). | |
| 939132 | FLUOROPOLYMER FINISHES GAIN IN POPULARITY, BUT ALSO COME UNDER INCREASING SCRUTINY. |
| As fluoropolymer-based finishes continue to find increasing favour in the textile industry, they are also being met with equal scrutiny. Known for their water repellency, stain resistance and easy cleanability, fluoropolymers (or fluorinated telomers) are being increasingly utilised as finishes for ......... | |
| (The original document is in English and was published in 2004). | |
| 938618 | NANOPOROUS ULTRA-LOW-DIELECTRIC-CONSTANT FLUOROPOLYMER FILMS VIA SELECTIVE UV DECOMPOSITION OF POLY(PENTAFLUOROSTYRENE)-BLOCK- POLY(METHYL METHACRYLATE) COPOLYMERS PREPARED USING ATOM TRANSFER RADICAL POLYMERIZATION. |
| The synthesis of block copolymers of poly(pentafluorostyrene) and PMMA by atom transfer radical polymerisation and the preparation of nanoporous fluoropolymer films by selective UV decomposition of the PMMA blocks in the copolymers are described. The chemical composition, structure and thermal prope ......... | |
| (The original document is in English and was published in 2005). | |
| 938594 | DEPOSITION OF WELL-DEFINED FLUOROPOLYMER NANOSPHERES ON PET SUBSTRATE BY PLASMA POLYMERIZATION OF HEPTADECAFLUORODECYL ACRYLATE AND THEIR POTENTIAL APPLICATION AS A PROTECTIVE LAYER. |
| Fluoropolymer films consisting of well-defined nanospheres were formed on the surface of flexible PETP substrates intended for optoelectronic applications by the pulsed plasma polymerisation of 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl acrylate on the PETP substrate. Reactive species ......... | |
| (The original document is in English and was published in 2005). | |
| 938592 | FLUOROPOLYMER COATING OF MEDICAL GRADE POLY(VINYL CHLORIDE) BY PLASMA-ENHANCED CHEMICAL VAPOR DEPOSITION TECHNIQUES. |
| Teflon-like coatings were deposited on the surface of medical-grade PVC by plasma-enhanced chemical vapour deposition using hexafluoroethane as precursor and hydrogen as carrier gas. The effects of hexafluoroethane percentage in the gas feed, input power and pressure on the chemical constituents and ......... | |
| (The original document is in English and was published in 2005). | |
| 935145 | ADHESIVES FOR FLUOROPOLYMER FILMS AND STRUCTURES CONTAINING SAME. |
| The adhesives are a blend of linear low density polyethylene, ethylene polymer plastomer, polyolefin elastomer and a modified polyolefin having acid or acid derivative functionality. Composite fluoropolymer/adhesive structures are also provided. ......... | |
| (The original document is in English and was published in ). | |
| 934968 | FLUOROPOLYMERS FOR 157 NM LITHOGRAPHY: KINETICS AND REACTIVITIES IN RADICAL COPOLYMERIZATION. |
| The copolymerisation of 2-trifluoromethylacrylic acid and of tert-butyl 2-trifluoromethacrylate monomers with 5-(2-trifluoromethyl-1,1,1- trifluoro-2-hydroxypropyl)-2-norbornene was examined in situ by proton NMR spectroscopy. The monomer reactivity ratios were determined on the basis of the penulti ......... | |
| (The original document is in English and was published in 2004). | |
| 934331 | INVESTIGATION OF THE ELECTROCHEMICAL CORROSION RESISTANCE OF HYBRID NI-SIC- FLUOROPOLYMER COMPOSITE COATINGS. |
| Nickel-PTFE coatings and hybrid composite coatings prepared from nickel, silicon carbide and PTFE were produced by electrodeposition and characterised by scanning electron microscopy, energy-dispersive X-ray analysis and cyclic voltammetry. The effects of the dispersed ceramic and polymer particles ......... | |
| (The original document is in English and was published in 2005). | |
| 933729 | FLUOROPOLYMER MAKERS REDUCING PFOA AGENT. |
| The fluoropolymer industry has agreed to cut the amount of a potentially toxic chemical in some of its products significantly by 2006, as part of a broad EPA push to reduce environmental exposure. The industry will cut levels of the chemical, a derivative of perfluorooctanoic acid, by 90% from 2000 ......... | |
| (The original document is in English and was published in 2005). | |
| 931439 | FLEXIBLE UV-CURABLE FLUOROPOLYMER COATING SYSTEMS FOR AUTOMOTIVE APPLICATIONS. |
| Modem automotive rubber door and boot seals, including primary and secondary seals for weatherstrip and glass run applications, are commonly manufactured from extruded EPDM. There is a requirement to apply a coating to the seal to improve the end-use properties. These include low friction, non-stick ......... | |
| (The original document is in English; Italian and was published in 2004). | |
| 931430 | FLEXIBLE, UV CURABLE FLUOROPOLYMER PU COATINGS FOR INDUSTRIAL APPLICATIONS. |
| Nowadays more and more flexible substrates for industrial applications, e.g. in the automotive industry or the building industry, are equipped with flexible fluoropolymer PU coatings to improve or modify the end-use properties of a given substrate (most often EPDM). Typical applications are weathers ......... | |
| (The original document is in German and was published in 2004). | |
| 930372 | HYPERBRANCHED FLUOROPOLYMER AND LINEAR POLY(ETHYLENE GLYCOL) BASED AMPHIPHILIC CROSSLINKED NETWORKS AS EFFICIENT ANTIFOULING COATINGS: AN INSIGHT INTO THE SURFACE COMPOSITIONS, TOPOGRAPHIES, AND MORPHOLOGIES. |
| The physicochemical details of hyperbranched fluoropolymer (HBFP) and diamino-terminated poly(ethylene glycol) (PEG) network coatings prepared on glass substrates and functionalised by 3-aminopropyltriethoxysilane were examined by atomic-force microscopy, contact-angle measurements, X-ray photoelect ......... | |
| (The original document is in English and was published in 2004). | |
| 929855 | ISO/DIS 12086-2. PLASTICS - FLUOROPOLYMER DISPERSIONS AND MOULDING AND EXTRUSION MATERIALS - PART 2: PREPARATION OF TEST SPECIMENS AND DETERMINATION OF PROPERTIES. |
| Version 40.60 (2004). Photocopies and loans of this document are not available from Rapra. ......... | |
| (The original document is in English and was published in 2004). | |
| 929854 | ISO/DIS 12086-1. PLASTICS - FLUOROPOLYMER DISPERSIONS AND MOULDING AND EXTRUSION MATERIALS - PART 1: DESIGNATION SYSTEM AND BASIS FOR SPECIFICATIONS. |
| Version 40.60 (2004). Photocopies and loans of this document are not available from Rapra. ......... | |
| (The original document is in English and was published in 2004). | |
| 929538 | DESIGN, SYNTHESIS, AND CHARACTERIZATION OF LINEAR FLUORINATED POLYBENZYL ETHERS. A COMPARISON STUDY WITH ISOMERIC HYPERBRANCHED FLUOROPOLYMERS . |
| The synthesis and characterisation of linear analogues to hyperbranched fluoropolymers are briefly discussed. Polymerisation mechanisms are described and molecular structures are illustrated. 3 refs. ......... | |
| (The original document is in English and was published in 2003). | |
| 926033 | EPOXY+ FLUOROPOLYMER SYSTEMS: NANOSCALE SURFACE ORGANIZATION AND SCRATCH RESISTANCE. |
| Blends of fluoropolymers with either a commercial epoxy resin or thermoplastic epoxy were prepared and the scratch resistance of these blends investigated using micro-scratch test equipment. Samples were also analysed by scanning electron microscopy and a comparison made of the scratch resistance of ......... | |
| (The original document is in English and was published in 2004). | |
| 925257 | ASTM D 5675. SPECIFICATION FOR FLUOROPOLYMER MICROPOWDERS. |
| Version 2004. Photocopies and loans of this document are not available from Rapra. ......... | |
| (The original document is in English and was published in 2004). | |
| 925119 | FLUOROPOLYMERIC COATINGS: THE RIGHT SOLUTION FOR CORROSIVE ENVIRONMENTS. |
| An overview is presented on fluoropolymers for corrosion resistant coatings. The combination of properties required for corrosion resistant coatings are considered and the techniques used to apply the coatings to substrates are outlined. The characteristics which make a fluoropolymer suitable for us ......... | |
| (The original document is in English and was published in 2004). | |
| 925110 | MELT PROCESSABLE FLUOROPOLYMERS : HIGH PERFORMANCE MATERIALS FOR CORROSIVE ENVIRONMENTS. |
| The general properties of melt processable fluoropolymers, particularly PVDF, ECTFE and fluorinated PFA, are outlined and their chemical resistance is discussed. The suitability of these fluoropolymers for applications in corrosive environments is also discussed. 4 refs. ......... | |
| (The original document is in English and was published in 2004). | |
| 923378 | THE EFFECT OF LLDPE TYPE AND MIXING ON THE PERFORMANCE OF FLUOROPOLYMER PROCESS AIDS. |
| An investigation was carried out into the effect of LLDPE on the sensitivity of processing aids to changes in extrusion mixing conditions upstream of the film die. The resins employed were Ziegler-Natta catalysed copolymers of ethylene with butene, hexene and octene and a single site catalysed ethyl ......... | |
| (The original document is in English and was published in 2004). | |
| 922324 | NEW WATERBORNE UV-CURED FLUOROPOLYMER COATING. |
| Whitford Worldwide's new waterborne, UV-cured Xylan 2525 fluoropolymer coating is claimed to offer dramatic improvements in the coating and curing of extruded rubber seals for the automotive industry. The company says the new coating not only improves performance, but also offers a range of other be ......... | |
| (The original document is in English and was published in 2004). | |
| 920670 | FERROELECTRIC, ELECTROACTIVE, AND DIELECTRIC-RELAXATION BEHAVIOR OF FLUOROPOLYMERS . |
| An investigation was carried out into the electroactive strain, ferroelectric polarisation and dielectric behaviour of an irradiated vinylidene fluoride-trifluoroethylene copolymer and an unirradiated vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene terpolymer. Two sets of dielectric an ......... | |
| (The original document is in English and was published in 2004). | |
| 920636 | WETTABILITY AND SURFACE ENERGETICS OF ROUGH FLUOROPOLYMER SURFACES. |
| An investigation was carried out into the wettability of an amorphous, hydrophobic fluoropolymer (Teflon AF1600) coated on glass slides and containing various amounts of silica spheres to make the surface rough. Quasi-static advancing and receding contact angles were determined using the Wilhelmy te ......... | |
| (The original document is in English and was published in 2004). | |
| 919917 | A NEW APPROACH FOR SELECTIVE SURFACE MODIFICATION OF FLUOROPOLYMERS BY REMOTE PLASMAS. |
| The selective surface modification of poly(ethylene-co- tetrafluoroethylene) and poly(vinylidene fluoride) films by exposure to remote argon, hydrogen and oxygen plasmas was studied. The modified surfaces were characterised by X-ray photoelectron spectroscopy, AFM and contact angle measurements, and ......... | |
| (The original document is in English and was published in 2004). | |
| 915913 | HYPERBRANCHED FLUOROPOLYMER (HBFP)-POLY(ETHYLENE OXIDE)(PEO) STARS AS PRECURSORS TO NANOSTRUCTURED ANTI-FOULING COATINGS. |
| Amphiphilic star-branched copolymers composed of hydrophobic hyperbranched fluoropolymer(HBFP) as the core and hydrophilic PEO arms were synthesised, with varying PEO composition and chain lengths. It was observed that the HBFP-PEO star polymers formed well-defined nanoscopic domains when deposited ......... | |
| (The original document is in English and was published in 2003). | |
| 914602 | NANOPOROUS ULTRA-LOW-kappa FLUOROPOLYMER COMPOSITE FILMS VIA PLASMA POLYMERIZATION OF ALLYLPENTAFLUOROBENZENE AND MAGNETRON SPUTTERING OF POLY(TETRAFLUOROETHYLENE). |
| The fabrication of nanostructured ultra-low dielectric constant fluoropolymer composite films by deposition by RF plasma polymerisation of a nanoporous layer of poly(allylpentafluorobenzene) between two layers of poly(tetrafluoroethylene) film, deposited by RF magnetron sputtering, is described. The ......... | |
| (The original document is in English and was published in 2004). | |
| 914025 | IN SITU ATOMIC OXYGEN EROSION STUDY OF FLUOROPOLYMER FILMS USING X-RAY PHOTOELECTRON SPECTROSCOPY. |
| The effects of atomic oxygen on the near-surface regions of a series of fluoropolymers, including high-density polyethylene, poly(vinyl fluoride), poly(vinylidene fluoride) and poly(tetrafluoroethylene), were investigated by characterisation of the surfaces in situ by XPS before and after exposure. ......... | |
| (The original document is in English and was published in 2004). | |
| 913882 | FLEXIBLE, UV-CURABLE FLUOROPOLYMER PU COATINGS FOR INDUSTRIAL APPLICATIONS. |
| The development by Whitford of Xylan 2525 flexible, waterborne UV-curable fluoropolymer PU coatings for automotive applications, particularly rubber seals, is described. The coatings are shown to meet major car manufacturers' specifications, are environmentally-friendly and satisfy volatile organic ......... | |
| (The original document is in English and was published in 2004). | |
| 911311 | ASTM D 3159. SPECIFICATION FOR MODIFIED ETFE- FLUOROPOLYMER MOLDING AND EXTRUSION MATERIALS. |
| Version 2004. Photocopies and loans of this document are not available from Rapra. ......... | |
| (The original document is in English and was published in 2004). | |
| 910649 | SYNTHESIS OF BLOCK COPOLYMERS POSSESSING FLUOROPOLYMER AND NON- FLUOROPOLYMER SEGMENTS BY RADICAL POLYMERIZATION. |
| Block copolymers comprising fluoropolymer and non-fluoropolymer segments were synthesised by chain transfer emulsion polymerisation of fluoromonomers and were subsequently used as macroinitiators in atom transfer radical polymerisation(ATRP) of non-fluorinated vinyl monomers. Trichloromethyl-termina ......... | |
| (The original document is in English and was published in 2004). | |
| 908872 | ADVANCES IN FLUOROPOLYMER DISPERSIONS. |
| The preparation and characterisation of high-performance coatings based on bimodal poly(tetrafluoroethylene) blends of emulsion polymerised latexes with nanoparticle dispersions polymerised in microemulsion are described. Film-forming and particle-packing behaviour of the blends are discussed in ter ......... | |
| (The original document is in English and was published in 2004). | |
| 908731 | EVALUATION AND PREDICTION OF CLIMATIC RESISTANCE OF COMPOSITES OF FLUOROPLASTIC WITH QUARTZ FABRIC. |
| An investigation is reported into the ageing characteristics of a composition of a fluoropolymer binder, characterised by high weathering resistance, in combination with a reinforcing quartz fabric, the fibres of which have the highest mechanical strength. These characteristics provide a basis for p ......... | |
| (The original document is in English and was published in 2003). | |
| 908604 | EXPERIMENTAL AND SIMULATION STUDIES ON MOLECULAR TRANSPORT OF SUBSTITUTED MONOCYCLIC AROMATIC LIQUIDS INTO FLUOROPOLYMER SHEET MEMBRANES: LIQUID STRUCTURE-DIFFUSION, -SORPTION, AND -PERMEATION RELATIONSHIPS. |
| Molecular transport for a number of monocyclic aromatic liquids through a commercially available fluoropolymer membrane was studied at two different temperatures using an experimental gravimetric method, and by a computer simulation based on sorption studies and Fick's diffusion equation. A computer ......... | |
| (The original document is in English and was published in 2004). | |
| 907266 | THERMOPROCESSABLE FLUOROPOLYMERS : HIGH PERFORMANCE MATERIALS FOR OILFIELD APPLICATIONS. |
| The key properties of three types of thermoprocessable fluoropolymer materials supplied by Solvay are described relative to their use for more demanding offshore oil and gas production application requirements. Detailed property comparisons are given in both tabular and graphical formats for ECTFE, ......... | |
| (The original document is in English and was published in 2003). | |
| 906493 | FUNDAMENTALS OF MELT FRACTURE ELIMINATION USING FLUOROPOLYMER PROCESS AIDS. |
| The influence of fluoropolymer processing aid particle size distribution on the elimination of melt fracture on a linear low density polyethylene blown film production line was investigated. The fluoropolymer particle size at the die was varied by varying the fluoropolymer concentration in the polym ......... | |
| (The original document is in English and was published in 2003). | |
| 906101 | IMPROVING FABRICS WITH FLUOROPOLYMERS FROM LIVING ROOM SOFAS TO AIRPORT ROOFS. |
| The creation of a range of solvent and waterborne coatings, which are based upon a fluoropolymer (usually PTFE), and are easily applied onto or impregnated into fabrics, is reported. These compounds can be custom tailored to provide properties, which precisely match the requirements of a specific ap ......... | |
| (The original document is in English and was published in 2003). | |
| 905933 | THIN FLUOROPOLYMER FILMS AND NANOPARTICLE COATINGS FROM THE RAPID EXPANSION OF SUPERCRITICAL CARBON DIOXIDE SOLUTIONS WITH ELECTROSTATIC COLLECTION. |
| The application of nanometer thick fluoropolymer films onto metal and semiconductor substrates is described. Nanometer-sized polymer particles were generated by homogeneous nucleation during the rapid expansion of supercritical fluid solutions. Charged nanoparticles were collected on a solid surface ......... | |
| (The original document is in English and was published in 2003). | |
| 904282 | FLOW INDUCED COATING OF FLUOROPOLYMER ADDITIVES: DEVELOPMENT OF FRUSTRATED TOTAL INTERNAL REFLECTION IMAGING. |
| In the extrusion of LLDPE, fluoropolymer processing additives(PPAs) are used to eliminate 'sharkskin' by coating the die wall and inducing slip at the PPA/PE interface. An in-situ optical method was used for measurement of the coating thickness by exploiting the phenomenon of frustrated total intern ......... | |
| (The original document is in English and was published in 2003). | |
| 902103 | FLUOROPOLYMER FOR POWDER COATINGS. |
| The synthesis of a fluoroethylene-alkyl vinyl ether copolymer, Lumiflon LF710F, for use in powder coatings is described and its properties are discussed. The application of the copolymer in powder coatings is examined and coating formulation considered. The LF710F powder coating is shown to exhibit ......... | |
| (The original document is in Italian; English and was published in 2003). | |
| 902046 | AMPHIPHILIC AND HYDROPHOBIC SURFACE PATTERNS GENERATED FROM HYPERBRANCHED FLUOROPOLYMER /LINEAR POLYMER NETWORKS. MINIMALLY ADHESIVE COATINGS VIA THE CROSSLINKING OF HYPERBRANCHED FLUOROPOLYMERS . |
| Hyperbranched fluoropolymers were crosslinked by a reaction with diamino-terminated polyethylene glycol or diamino-terminated PDMS to form hyper branched-linear copolymer networks of different compositions, structures and properties. The contact angle, DSC, TGA, tensile measurements and atomic force ......... | |
| (The original document is in English and was published in 2003). | |
| 900396 | NOVEL GLASS FIBER-REINFORCED COMPOSITES HAVING A UV AND PEROXY CURABLE FLUOROPOLYMER MATRIX. |
| The synthesis of model acrylate and methacrylate perfluoropolyether polyurethane resins and their use as matrices for the preparation of glass fibre-reinforced composites are reported. The tensile, impact and dynamic mechanical properties of resins, formulated with various reactive diluents and phot ......... | |
| (The original document is in English and was published in 2003). | |
| 898053 | CONNECTION OF SURFACE TENSION WITH MULTIPLE TRIBOLOGICAL PROPERTIES IN EPOXY + FLUOROPOLYMER SYSTEMS. |
| An investigation was carried out into the relationship between surface tension and tribological properties in epoxy/fluoropolymer systems. Surface wettability was characterised by contact angle measurements of liquid droplets on the surface of blends and the Oss-Good method was employed to determine ......... | |
| (The original document is in English and was published in 2003). | |
| 895770 | PERFORMANCE OF DURABLE FLUOROPOLYMER COATINGS. |
| Fluoropolymer coatings are known as highly durable coatings that can maintain their initial performance for a long period. In the 1980s, Asahi Glass developed a copolymer of fluoroethylene and vinyl ether as a solvent-soluble fluoropolymer, known as FEVE. FEVE could be used on-site for applications ......... | |
| (The original document is in English and was published in 2003). | |
| 893119 | RADIOOXIDATION OF FLUOROPOLYMERS : IDENTIFICATION OF OXIDATION PRODUCTS. |
| The effects of gamma-irradiation in air on films of vinylidene fluoride-hexafluoropropylene copolymer (Solef from Solvay) were investigated. Peroxy radicals formed by irradiation in the presence of oxygen were partially converted into more stable products such as hydroperoxides, alcohols and acids. ......... | |
| (The original document is in English and was published in 2003). | |
| 889563 | GROUP TARGETING FLUOROPOLYMER INGREDIENT. |
| The Washington-based Environmental Working Group is urging the Environmental Protection Agency to ban a chemical used to make fluoropolymers because of health concerns. However, industry groups say perfluorooctanoic acid is crucial to making the high-performance plastics and has been used safety for ......... | |
| (The original document is in English and was published in 2003). | |
| 888981 | DYNEON LAUNCHES NEW PTFE AND FLUOROPOLYMER . |
| A new semi-free-flow modified PTFE, called DyneonTM TFMTM X 1630, for compression moulding and a new fluoropolymer, called DyneonTM THV x 815 G, have been introduced by Dyneon. The modified PTFE combines excellent performance properties with processability and the fluoropolymer exhibits low permeati ......... | |
| (The original document is in English and was published in 2003). | |
| 883527 | FUNDAMENTALS OF MELT FRACTURE ELIMINATION USING FLUOROPOLYMER PROCESS AIDS. |
| This three-part paper and accompanying powerpoint presentation discusses the phenomenon of melt fracture in polyolefin films and the use of fluoropolymer process aids. Part 1 deals with the fundamentals of melt fracture elimination using fluoropolymer process aids. Part 2 discusses how interfacial a ......... | |
| (The original document is in English and was published in 2002). | |
| 879829 | SORPTION AND DESORPTION OF TETRACHLOROETHYLENE IN FLUOROPOLYMERS : EFFECTS OF THE CHEMICAL STRUCTURE AND CRYSTALLINITY. |
| The solubility, diffusivity and permeability at 70C of a polarisable non-polar solute (tetrachloroethylene(TCE)) were studied in eighteen fluoropolymers with different repeating unit structures and crystallinities. The transport properties were mainly controlled by the polarity of the polymer and to ......... | |
| (The original document is in English and was published in 2003). | |
| 878216 | FLUOROPOLYMER COATINGS WITH INHERENT RESISTANCE TO BIOFOULING. |
| The utilisation of non-toxic polymeric coating materials onto which colonising organisms will not adhere presents an attractive means of preventing the fouling of surfaces. The molecular design requirements for the fabrication of materials which, if applied as coatings, can remove the ability of fou ......... | |
| (The original document is in English and was published in 2002). | |
| 876519 | EFFECT OF FLUOROPOLYMER PROCESSING AIDS ON THE PROCESSIBILITY OF AN OCTENE LLDPE. |
| Linear low density polyethylene (octene copolymer) was blended with 250-1000 ppm of various commercial fluoropolymer processing aids (PPA). Anti-blocking agent and slip additive were also added to some compositions. The polymers were blown into film and the processing aids were ranked according to t ......... | |
| (The original document is in English and was published in 2002). | |
| 870587 | EFFECT OF CONCENTRATION AND DEGREE OF SATURATION ON RESS OF A CO2-SOLUBLE FLUOROPOLYMER . |
| RESS experiments are performed on the semicrystalline fluoropolymer polyheptadecafluorodecyl acrylate (polyHDFDA; Mw = 254,000, Mw/Mn = 2.95) from solutions in carbon dioxide, with both concentration and degree of saturation being varied in a systematic manner. Phase-behaviour measurements are carri ......... | |
| (The original document is in English and was published in 2002). | |
| 870324 | ELECTROLESS DEPOSITION OF NICKEL ON FLUOROPOLYMERS MODIFIED BY SURFACE GRAFT COPOLYMERIZATION. |
| Polytetrafluoroethylene (PTFE) and polyvinylidene fluoride (PVDF) films were argon plasma pretreated and were then graft copolymerised, using ultraviolet light induced copolymerisation, with 4-vinylpyridine (4VP), 2-vinylpyridine (2VP) or 1-vinylimidazole(1VID). Activation of the functionalised film ......... | |
| (The original document is in English and was published in 2002). | |
| 868030 | WATER IN DIFFERENT POLY(STYRENE SULFONIC ACID)-GRAFTED FLUOROPOLYMERS . |
| The water present in a series of electron beam radiation-grafted poly(styrene sulphonic acid)-grafted fluoropolymers with similar poly(styrene sulphonic acid) contents was studied. The radiation-grafted membranes were compared with Nafion 117 and Nafion 105 (perfluorosulphonate ionomer) membranes. A ......... | |
| (The original document is in English and was published in 2002). | |
| 867948 | EFFECT OF FLUOROPOLYMER ARCHITECTURE ON THE EXTERIOR WEATHERING OF COATINGS. |
| Fluoropolymers of several different types (polyvinylidene fluoride), alternating copolymers, perfluorinated ether polyols) are commercially available as coatings resins. While all these resins share certain chemical properties (e.g. hydrophobicity), the performance in the area of weathering depends ......... | |
| (The original document is in English and was published in 2002). | |
| 867883 | SOLVENT-SOLUBLE FLUOROPOLYMERS FOR COATINGS - CHEMICAL STRUCTURE AND WEATHERABILITY. |
| Chlorotrifluoroethylene and tetrafluoroethylene were evaluated as components for fluoroolefin-alkyl vinyl ether alternating copolymers for use in coatings. The weatherability of unpigmented films and pigmented coatings made from these copolymers was investigated and the degraded surfaces analysed by ......... | |
| (The original document is in English and was published in 2002). | |
| 866275 | ANALYSIS OF EXTENSIONAL VISCOSITY TECHNIQUES FOR THE CHARACTERIZATION OF FLUOROPOLYMERS . |
| The extensional flow of poly(vinylidene fluoride) and polyethylene with different molecular weights, molecular weight distributions and degrees of long chain branching was investigated using a Rheotrans tester, in which an extruded polymer strand is pulled with increasing speed with continuous recor ......... | |
| (The original document is in English and was published in 2002). | |
| 864351 | DURABLE FLUOROPOLYMER COATING. |
| The development is described of the enamel Pigma Viniftor which is based on copolymers of trifluorochloroethylene with vinyl monomers containing reactive groups. The fluorine content of the coating ensures a low surface energy and a high resistance to UV radiation, while the presence of vinyl copoly ......... | |
| (The original document is in English and was published in 2002). | |
| 862343 | ADHESION PRIMING COMPOSITION FOR FLUOROPOLYMER COATINGS. |
| A release coating layer comprises a continuous phase of an organic polymer binder, a discontinuous phase of a fluorinated resin having a molecular weight between 2500 and 10,000,000, the ratio of organic polymer binder to fluorinated resin being between 60:39.9 to 80:18 by weight, and a priming agen ......... | |
| (The original document is in English and was published in ). | |
| 860282 | AUTO COMPANIES RELUCTANT TO USE FLUOROPOLYMERS . |
| According to the automotive business development end use manager for Dyneon LLC, which has begun to develop fluoropolymer materials for engine/fuel system seals and hoses capable of meeting Californian reduced emissions regulations, automotive companies are reluctant to use fluoropolymers because of ......... | |
| (The original document is in English and was published in 2002). | |
| 860081 | HIGH-SPEED MAS 19F NMR ANALYSIS OF AN IRRADIATED FLUOROPOLYMER . |
| The effect of gamma-irradiation on a perfluoroalkoxy resin (tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer) was examined using solid-state high-speed magic angle spinning fluorine-19 NMR spectroscopy. Samples were prepared for analysis by subjecting them to gamma-radiation in the dose rang ......... | |
| (The original document is in English and was published in 2002). | |
| 855046 | NEW SOLVENT PROVES CRITICAL TO MAKING IMPROVED FLUOROPOLYMERS . |
| DuPont Fluoropolymers is introducing what it claims are the first commercial fluoropolymers made using supercritical carbon dioxide. The nine grades now debuting globally are similar to fluorinated ethylene propylene polymers, but are terpolymers containing some vinyl ether. The materials, designate ......... | |
| (The original document is in English and was published in 2002). | |
| 853221 | SYNTHESIS AND CHARACTERIZATION OF FLUOROPOLYMERS BY THE POLYADDITION OF BIS(EPOXIDE)S WITH DICARBOXYLIC ACIDS AND DIOLS. |
| Fluoropolymers with pendant hydroxyl groups were synthesised by the polyaddition of bis(epoxide)s with dicarboxylic acids and diols using a variety of solvents, and quaternary onium salts as catalysts. The polymers were characterised by solubility studies, thermal stability evaluation by thermogravi ......... | |
| (The original document is in English and was published in 2002). | |
| 850770 | TAILORING TRANSPARENCY OF IMAGEABLE FLUOROPOLYMERS AT 157nm BY INCORPORATION OF HEXAFLUOROISOPROPYL ALCOHOL TO PHOTORESIST BACKBONES. |
| Hexafluoroisopropyl alcohol-functionalised acrylic and styrenic monomers, such as 2-(4-(2-hydroxyhexafluoro isopropyl)cyclohexane)hexafluoroisoprop yl acrylate(I), 2-(4-(2,2,2-trifluoro-1-methoxy-methoxy-1- trifluoromethylethyl)cyclohexane)hexa fluoroisopropyl acrylate and 2-(4-(2,2,2-trifluoro-1-et ......... | |
| (The original document is in English and was published in 2002). | |
| 848783 | COMPARISON OF FUEL CELL PERFORMANCE OF SELECTED FLUOROPOLYMER AND HYDROCARBON BASED GRAFTED COPOLYMERS INCORPORATING ACRYLIC ACID AND STYRENE SULPHONIC ACID. |
| The results are reported of a study of the fuel cell performance of ion exchange membranes produced by radiation grafting of either acrylic acid or styrene sulphonic acid onto hydrocarbon and fluoropolymers films. The relationship between the fuel cell performance and the intrinsic properties of the ......... | |
| (The original document is in English and was published in 2002). | |
| 847650 | ANALYSIS OF THE SURFACE CHEMICAL COMPOSITION AND MORPHOLOGICAL STRUCTURE OF VAPOR-SENSING GOLD- FLUOROPOLYMER NANOCOMPOSITES. |
| A systematic spectroscopic and morphological characterisation was conducted of gold-Teflon nanocomposites, deposited by ion beam co-sputtering. These composites exhibited vapour-sensing properties based on swelling phenomena. Analysis by X-ray photoelectron spectroscopy allowed the conclusion that g ......... | |
| (The original document is in English and was published in 2002). | |
| 843676 | PATTERNS OF EROSION FROM ACRYLIC AND FLUOROPOLYMER COATINGS IN ACCELERATED AND NATURAL WEATHERING TESTS. |
| Commercial PVDF/acrylic coatings show minimal gloss loss or bulk chemical change even after sustained Florida or accelerated weathering testing. Previously, it was shown that 'QUV-B' weight loss rates can be used as an early predictor of the weatherability of fluoropolymer/acrylic blend clearcoats. ......... | |
| (The original document is in English and was published in 2002). | |
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