Publications about Polyethylene Terephthalate (PETP) from the Polymer Library
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| 976565 | IMMOBILIZATION OF BORATE WASTE SIMULATE IN CEMENT-WATER EXTENDED POLYESTER COMPOSITE BASED ON POLYETHYLENE TEREPHTHALATE WASTE. I. MECHANICAL PROPERTIES OF THE FINAL WASTE FORMS. |
| The suitability of a composite of Ordinary Portland Cement(OPC) and water-extended polyester(WEP), based on recycled PETP, for stabilisation/solidification of borate waste solution originating from the primary coolant circuit of pressurised water reactors(PWRs) was assessed. This treatment was shown ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 976433 | BACTERIAL ADHESION TO PLASMA MODIFIED POLYETHYLENE TEREPHTHALATE . |
| Films of PETP were surface treated with helium/oxygen discharges under plasma power conditions and the effects of total gas pressure, percentage of oxygen in the helium and substrate bias on the surface morphology, etch rate and adhesion of bacteria to the PETP surface investigated. The surface topo ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 974851 | NONISOTHERMAL CRYSTALLIZATION KINETICS OF POLYETHYLENE TEREPHTHALATE AND POLYMETHYL METHACRYLATE BLENDS. |
| Details are given of the nonisothermal crystallisation kinetics of four blend compositions of PETP and PMMA. Crystallisation peaks were obtained using DSC. A modified Avrami equation was used to analyse the nonisothermal data. Avrami parameters were evaluated for the four blends. The crystallisation ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 973001 | ROLE OF IONIC INTERACTIONS IN THE COMPATIBILITY OF POLYESTER IONOMERS WITH POLYETHYLENE TEREPHTHALATE AND NYLON 6. |
| The compatibility of a polyester ionomer melt-blended with nylon-6 was studied. The effect of blending on crystallisation behaviours, morphology, thermal/mechanical properties and water absorption was investigated. Crystallisation behaviours of ionomer/nylon-6 blends were compared with PETP/nylon-6 ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 972407 | STUDY ON THE HYDROLYSIS-RESISTANT POLYETHYLENE TEREPHTHALATE (PET) FIBERS. |
| The mechanical properties of PETP fibres can be subjected to deterioration due to hydrolysis. This paper describes the use of three hydrolysis stabilisers, which, at the same time are chain extenders for polyester, in order to improve the hydrolytic stability of PETP fibres, and thus their area of a ......... | |
| (The original document is in ***English*** and was published in 2004). | |
| 971845 | MIGRATION OF FORMALDEHYDE AND ACETALDEHYDE INTO MINERAL WATER IN POLYETHYLENE TEREPHTHALATE (PET) BOTTLES. |
| The levels of formaldehyde and acetaldehyde in PETP bottles and in commercial mineral water bottled in Japan, Europe and North America were determined and the presence of bacteria in the water samples investigated by a bioluminescent assay and a heterotrophic plate count method. The origin and disap ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 971730 | DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE WASTES USING ETHANOL AND ETHANOL/WATER IN SUPERCRITICAL CONDITIONS. |
| Chemical recycling of PETP in supercritical ethanol was investigated. Reaction products were analysed by reverse phase high pressure liquid chromatography and NMR. The influences of water, pressure, ethanol/PETP weight ratio, PETP sources, as well as depolymerisation time are discussed. 31 refs. ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 971687 | EFFECTS OF METALLIC DERIVATIVES RELEASED FROM MONTMORILLONITE ON THE THERMAL STABILITY OF POLYETHYLENE TEREPHTHALATE /MONTMORILLONITE NANOCOMPOSITES. |
| Details are given of the preparation of PETP/montmorillonite nanocomposites by in situ polycondensation. The composites were characterised by X-ray diffraction and TEM. The processing stability was investigated by the change of number-average molecular weight and carboxyl terminal group content duri ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 971637 | MORPHOLOGY AND BARRIER MECHANISM OF BIAXIALLY ORIENTED POLYETHYLENE TEREPHTHALATE /POLYETHYLENE NAPHTHALATE BLENDS. |
| Details are given of the preparation of PETP/polyethylene naphthalate blends with different concentrations of polyethylene naphthalate. The blends were processed into biaxially oriented films and their barrier properties were investigated. The air permeability of films of PETP, polyethylene naphthal ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 971473 | NON-ISOTHERMAL CRYSTALLIZATION BEHAVIOR OF LIGNIN-FILLED POLYETHYLENE TEREPHTHALATE (PET). |
| The non-isothermal crystallisation properties of composites of poly(ethylene terephthalate) with various proportions of purified alkali lignin were studied using DSC and TGA. The effects of lignin content on the nucleation process are discussed in terms of the rate and degree of crystallisation, and ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 968372 | AMINOLYSIS OF POLYETHYLENE TEREPHTHALATE WASTE. |
| Polyethylene terephthalate in the form of waste fibres and disposable soft drink bottles was subjected to depolymerisation through aminolysis using excess of ethanolamine in the presence of different simple chemicals, namely glacial acetic acid, sodium acetate and potassium sulphate, as catalysts. T ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 967916 | BIODEGRADABILITY OF DIETHYLENE GLYCOL TEREPHTHALATE AND POLYETHYLENE TEREPHTHALATE FIBER BY CRUDE ENZYMES EXTRACTED FROM ACTIVATED SLUDGE. |
| Polydiethylene glycol terephthalate and PETP fibres were degraded by crude enzymes extracted from a strain that was isolated from activated sludge. The feasibility of the biodegradation of the PETP fibres is discussed. Degradation kinetics of the crude enzymes were compared with lipase. 6 refs. ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 967887 | RHEOLOGICAL PROPERTIES OF HIGH MELT STRENGTH POLYETHYLENE TEREPHTHALATE FORMED BY REACTIVE EXTRUSION. |
| A reactive extrusion process was developed improving the rheological properties of PETP via the co-addition of a dianhydride and polyol. The enhancement in rheological properties were found to be dependent on the relative amounts of dianhydride and polyol with the resultant polyester structurally st ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 967588 | STUDIES ON MELT SPINNING PROCESS OF HOLLOW POLYETHYLENE TEREPHTHALATE FIBERS. |
| Dimensional change and profile development in the melt spinning process of polyethylene terephthalate hollow fibres were studied through the numerical simulations and experimental results. The simulation predicts the final dimensions and profiles development of the hollow fibres at various positions ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 965196 | PIEZOELECTRIC POLYETHYLENE TEREPHTHALATE ( PETP ) FOAMS - SPECIFICALLY DESIGNED AND PREPARED FERROELECTRET FILMS. |
| Ferroelectret films were prepared from cellular PETP and their properties were compared with those of the previously-prepared PP ferroelectrets. As a result of the higher stiffness of the PETP foams, their piezoelectric activity was generally lower than that of cellular PP films, but it was comparab ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 964978 | DEPOLYMERIZATION AND KINETICS OF DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE USING DIBUTYLTIN OXIDE CATALYST. |
| The depolymerisation of PETP was carried out in a tubular bomb microreactor at temperatures from 433 to 473K by means of methanolysis using dibutyltin oxide as catalyst. The effects of reaction time, reaction temperature and catalyst to PETP weight ratio on depolymerisation were examined and depolym ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 963906 | SURFACE MODIFICATION OF ULTRA-HIGH-MOLECULAR-WEIGHT POLYETHYLENE. I. EFFECT ON THE PHYSICOMECHANICAL AND TRIBOLOGICAL PROPERTIES OF ULTRA-HIGH-MOLECULAR-WEIGHT POLYETHYLENE/ POLYETHYLENE TEREPHTHALATE COMPOSITES. |
| Details are given of the surface modification of ultra-high-molecular- weight PE using chromic acid etching with the aim of improving the performance of PE composites with PETP fibres. The morphology, physicomechanical properties and tribological properties of the composites were investigated. Micro ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 963887 | MORPHOLOGY DEVELOPMENT AND CRYSTALLIZATION BEHAVIOUR OF A POLYETHYLENE TEREPHTHALATE /POLYCARBONATE BLEND. |
| The morphology development and crystallisation behaviour of a PETP/polycarbonate blend were studied using optical microscopy, light scattering, and DSC. During annealing, liquid-liquid phase separation via spinodal decomposition proceeded in a melt extruded specimen. The effects of liquid-phase chan ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 963874 | SYNTHESIS AND CHARACTERIZATION OF A POLYETHER-ESTER COPOLYMER FROM POLYDIMETHYLPHENYLENE OXIDE AND POLYETHYLENE TEREPHTHALATE . |
| Details are given of the synthesis of a series of polyether-ester copolymers from polydimethylphenylene oxide and PETP. The synthesis was carried out by a two-step solution polymerisation process. Characterisation was undertaken using FTIR and proton NMR. The molar masses of the copolymers were eval ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 962743 | ADHESION MEASUREMENT OF INTERFACES BETWEEN GELATIN AND POLYETHYLENE TEREPHTHALATE USING MICROSCRATCH TECHNIQUE. |
| A micro scratch technique was used to evaluate the adhesion between interfaces of a gelatin coating and PETP film. The interface was reinforced by nitrogen plasma treatment on the PETP surface and subsequently by heat treatment of each sample to promote interactions at the interface. Optical microsc ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 962721 | INFLUENCE OF APPLE FLAVOR ABSORPTION ON PHYSICAL AND MECHANICAL PROPERTIES OF POLYETHYLENE TEREPHTHALATE FILMS. |
| PETP films were immersed in apple flavour solution and changes in the films were investigated by measuring the mechanical and physical properties. The mechanical properties were determined by examining changes in the Young's modulus. Changes in physical properties were investigated by FTIR and SEM. ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 962710 | EFFECTS OF AROMA CHEMICAL VAPOR PRESSURE AND FIBER MORPHOLOGY ON THE RETENTION OF AROMA CHEMICALS ON COTTON AND POLYETHYLENE TEREPHTHALATE FABRICS. |
| Aroma chemicals were applied onto cotton and PETP fabrics. Retentions on these fabric substrates were measured using gas chromatography/mass spectrometry, while distribution on and within fibres is graphically demonstrated by backscattering electron microscopy. Aroma chemicals with low vapour pressu ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 962708 | CHARACTERIZATION OF EVAPORATED AND SPUTTERED THIN Au LAYERS ON POLYETHYLENE TEREPHTHALATE . |
| Gold layers were prepared on PETP substrate by diode sputtering and vacuum evaporation. The mean layer thickness was determined by atomic absorption spectroscopy. Sheet electrical resistance and reflection of electromagnetic waves were used for the characterisation of layers. Surface morphology was ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 962684 | MICROWAVE ASSISTED HMDSO/OXYGEN PLASMA COATED POLYETHYLENE TEREPHTHALATE FILMS. EFFECTS OF PROCESS PARAMETERS AND UNIAXIAL STRAIN ON GAS BARRIER PROPERTIES, SURFACE MORPHOLOGY, AND CHEMICAL COMPOSITION. |
| The chemical and morphological structure of hexamethyldisiloxane coatings on PETP films generated with and without oxygen in a microwave plasma was investigated using X-ray photoelectron spectroscopy and atomic force microscopy. Results were correlated with oxygen permeation measurements at differen ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 959960 | LOW PERCOLATION THRESHOLDS OF ELECTRICAL CONDUCTIVITY AND RHEOLOGY IN POLYETHYLENE TEREPHTHALATE THROUGH THE NETWORKS OF MULTI-WALLED CARBON NANOTUBES. |
| A coagulation method was used to prepare nanocomposites of multi-wall carbon nanotubes and PETP. The morphology of the nanocomposites was characterised using TEM and SEM. Electrical conductivity and rheological properties were investigated. 41 refs. ......... | |
| (The original document is in ***English*** and was published in 2006). | |
| 959697 | MODELLING OF COLOUR YIELD IN POLYETHYLENE TEREPHTHALATE DYEING WITH STATISTICAL AND FUZZY REGRESSION. |
| The development of mathematical models for the colour yield in high temperature dyeing of poly(ethylene terephthalate) knitted fabric as a function of disperse dye concentration, temperature, and time was investigated using statistical regression and fuzzy regression methods with triangular and expo ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 958491 | LINK BETWEEN RIGID AMORPHOUS FRACTION AND CRYSTAL PERFECTION IN COLD-CRYSTALLIZED POLYETHYLENE TEREPHTHALATE . |
| The rigid-amorphous fraction in cold-crystallised and subsequently annealed PETP was investigated as a function of crystallinity and crystal perfection. The decrease in the specific rigid-amorphous was attributed to crystal perfection which decreased the strain transmitted to the amorphous phase. An ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 957192 | ISOTHERMAL CRYSTALLIZATION KINETICS OF POLYETHYLENE TEREPHTHALATE -POLYETHYLENE OXIDE SEGMENTED COPOLYMER WITH TWO CRYSTALLIZING BLOCKS. |
| The isothermal crystallisation kinetics and morphology of ethylene terephthalate-ethylene oxide copolymers and PETP and polyethylene oxide homopolymers were studied by DSC and TEM. The nucleation mechanism and growth dimension of polyethylene oxide in the copolymer were compared with those of the ho ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 956117 | CRYSTALLIZATION CHARACTERISTICS OF WEAKLY BRANCHED POLYETHYLENE TEREPHTHALATE . |
| Details are given of the preparation of a series of PETP samples by melt polycondensation by incorporation of various amounts of glycerol as a branching agent. These polymers were characterised by proton NMR and intrinsic viscosity. The general crystalline and melting behaviour was investigated by D ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 956016 | IMPROVING OXYGEN BARRIER PROPERTIES OF POLYETHYLENE TEREPHTHALATE BY INCORPORATING ISOPHTHALATE. II. EFFECT OF CRYSTALLIZATION. |
| Details are given of the crystallisation of PETP and a series of random and block copolymers in which the terephthalate was replaced with isophthalate. The influence of crystallisation on oxygen permeability was examined. Characterisation was undertaken using NMR, atomic force microscopy, X-ray diff ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 956015 | IMPROVING OXYGEN BARRIER PROPERTIES OF POLYETHYLENE TEREPHTHALATE BY INCORPORATING ISOPHTHALATE. I. EFFECT OF ORIENTATION. |
| Details are given of the study of PETP and a series of statistical and block copolymers in which the terephthalate was replaced with isophthalate by copolymerisation and melt blending. Polymers were oriented at four temperatures in the vicinity of the Tg and characterised by oxygen transport, X-ray ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 953123 | NOVEL METHOD FOR PREPARING POLYETHYLENE TEREPHTHALATE /BaSO4 NANOCOMPOSITES. |
| Details are given of the preparation of PETP/barium sulphate nanocomposites by in situ polymerisation. The structure of the nanocomposites was characterised by TEM and the nanoscale dispersion of barium sulphate in the PETP matrix was observed. Thermal properties were investigated using TGA and DSC. ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 952091 | SYNTHESIS AND CHARACTERIZATION OF SULFONATED POLYETHYLENE TEREPHTHALATE /MONTMORILLONITE NANOCOMPOSITES. |
| Sulphonated PETP/montmorillonite nanocomposites were prepared by in situ intercalative polymerisation. The microstructure, morphology and properties of the nanocomposites were studied with X-ray diffraction, TEM, atomic force microscopy, DSC and TGA. The effects of sodium sulphonate content on the d ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 951868 | RESEARCH ON THE ADHESIVE PROPERTY OF POLYETHYLENE TEREPHTHALATE (PET) CORD AND NITRILE-BUTADIENE RUBBER (NBR) SYSTEM. |
| The adhesion between poly(ethylene terephthalate) cord, treated with hydrated silica-resorcinol-hexamethoxymethylmelamine or resorcinol-formaldehyde-latex, and nitrile-butadiene rubber was studied by T-test and H-test strength, FTIR and SEM. The results obtained using the two treatment methods are d ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 949582 | ADDING POWER TO PETP . |
| In the US, packaging group Amcor recently developed with PowerFlex technology the "first ever true panel-less and rib-less hot-fill PETP bottle". It has a base with an inverted cone shaped diaphragm to absorb the vacuum created as the liquid cools. The company claims that PowerFlex hot-fill bottles ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 949343 | SURVEY OF FORMALDEHYDE, ACETALDEHYDE AND OLIGOMERS IN POLYETHYLENE TEREPHTHALATE FOOD-PACKAGING MATERIALS. |
| An investigation was carried out into levels of formaldehyde, acetaldehyde and PETP oligomers in PETP food packaging in the form of pellets, sheet moulding articles and bottles. Samples were dissolved in trifluoroacetic acid with 2,4-dinitrophenylhydrazine to derivatise formaldehyde and acetaldehyde ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 948494 | EFFECT OF TEST CONDITIONS ON THE ESSENTIAL WORK OF FRACTURE IN POLYETHYLENE TEREPHTHALATE FILM. |
| The tear resistance of biaxially-oriented PETP films was characterised by the essential work of fracture method in mode I as a function of test speed and temperature. Attempts to extrapolate the tear resistance found by the method of essential work to commercial slitting processes are discussed. Lim ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 947018 | MOLECULAR DYNAMICS SIMULATION OF DIFFUSION OF OXYGEN AND CARBON DIOXIDE IN BLENDS OF AMORPHOUS POLYETHYLENE TEREPHTHALATE AND RELATED POLYESTERS. |
| Molecular dynamics simulation techniques were applied to study the diffusion of oxygen and carbon dioxide in model polyester blends of bulk amorphous PETP and related aromatic polyesters. Diffusion coefficients were determined using the Dreiding 2.21 molecular mechanics force field. The influence of ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 947008 | TIME RESOLVED WAXS STUDY OF THE ROLE OF MESOPHASE IN ORIENTED CRYSTALLISATION OF POLYETHYLENE TEREPHTHALATE -CO-ISOPHTHALATE COPOLYMERS. |
| Ethylene terephthalate-isophthalate copolymers were drawn while recording two dimensional wide angle X-ray scattering patterns. After the end of deformation the mesophase decayed and was replaced by oriented triclinic crystals which increased according to first order transformation kinetics. The cha ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 945877 | REACTIVE PROCESSING COMPATIBILIZATION OF DIRECT INJECTION MOLDED POLYAMIDE-6/ POLYETHYLENE TEREPHTHALATE BLENDS. |
| Details are given of the preparation of finely dispersed blends of nylon-6 and PETP by direct injection moulding. The complex morphology was characterised by the presence of dispersed particles at three levels and by a very large interface area/dispersed phase volume ratio. Linear ductility behavio ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 945870 | GLYCOLYSIS OF POLYETHYLENE TEREPHTHALATE WASTE FIBERS. |
| Glycolysis of PETP waste fibres was carried out using excess ethylene glycol in the presence of glacial acetic acid, lithium hydroxide sodium sulphate and potassium sulphate. The purified monomer was characterised by elemental analysis, melting point, FTIR and NMR. The qualitative and quantitative y ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 944899 | MASS TRANSPORT OF CELL GASES IN CARBON DIOXIDE BLOWN PET ( POLYETHYLENE TEREPHTHALATE ) FOAM INSULATION. |
| The diffusion coefficients and activation energies of cell gases in two carbon dioxide blown PETP foams having different densities and thicknesses were determined at temperatures between 23 and 90C. Thermal conductivities of the foams at different temperatures were also determined and cell gas condu ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 943217 | EVOLUTION OF AROMA COMPOUNDS FROM ORANGE JUICE STORED IN POLYETHYLENE TEREPHTHALATE (PET). |
| The evolution of aroma compounds from orange juice made from concentrate and stored in glass, standard monolayer PETP, multilayer PETP and plasma-treated PETP (internal carbon coating) was investigated. Bottles were stored at room temperature (20C) under artificial light. Volatile compounds in orang ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 941594 | THERMAL PROPERTIES, RHEOLOGY AND SINTERING OF ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE AND ITS COMPOSITES WITH POLYETHYLENE TEREPHTHALATE . |
| The thermal properties, rheological properties and sintering behaviour of UHMW PE and composites thereof with PETP fibres were investigated by means of DSC, dynamic mechanical rheological testing, optical microscopy and scanning electron microscopy. The kinetics of isothermal and non-isothermal crys ......... | |
| (The original document is in ***English*** and was published in 2005). | |
| 941467 | ONLINE WIDE-ANGLE X-RAY DIFFRACTION/SMALL-ANGLE X-RAY SCATTERING MEASUREMENTS FOR THE CARBON DIOXIDE-LASER-HEATED DRAWING OF POLYETHYLENE TEREPHTHALATE FIBER. |
| Fibre-structure-development in PETP fibre drawing process was investigated with on-line measurements of wide-angle and small-angle X-ray scattering. The intensity profile of the transmitted X-ray confirmed the location of the neck-drawing point. 44 refs. ......... | |
| (The original document is in ***English*** and was published in 2005). | |
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