Publications about Urethane Containing Rubbers from the Polymer Library

Urethane Containing Rubbers

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972381 STUDY OF THE RHEOKINETIC LAWS GOVERNING THE CURING OF BONDING COMPOSITIONS BASED ON URETHANE -CONTAINING RUBBERS .
The use of bonding agents based on urethane-containing rubbers is discussed, for the assembly of highly filled polymer composites with rubbers plied up with elastic nylon-6 fabric onto which the bonding composition is applied. The structure of the urethane-containing rubbers determines the system of .........
(The original document is in English and was published in 2006).
964896 POLYURETHANE RUBBER OUTSOLES FOR ATHLETIC FOOTWEAR.
Experiments were carried out to prepare transparent polyurethanes for athletic footwear outsoles from polytetramethylene ether glycol, H12MDI and various chain extenders using liquid peroxide (dialkyl peroxyketal) as curing agent. The amount of chain extender containing allylic unsaturation was opti .........
(The original document is in English and was published in 2005).
964003 POLYETHEROL- AND POLYBUTADIENE-OL-BASED URETHANE ELASTOMERS AS BINDERS FOR RUBBER POWDER-CONTAINING COMPOSITE MATERIALS.
Composites were prepared by a one-shot method from polyetherol- and polybutadiene- based PU elastomers having different degrees of crosslinking and rubber powder modified with a bromine/methanol solution and a solution of HCl and peracetic acid. The effects of matrix polarity and rubber powder modif .........
(The original document is in Polish and was published in 2005).
963107 APPLICATION OF DIENE-BASED THERMOPLASTIC URETHANES IN RUBBER COMPOUNDING.
The technology associated with polybutadiene-based thermoplastic PU (TPU) materials is described and key synthetic development work is summarised in order to provide insight into the structural optimisation of the product. The physical properties of Sartomer's Poly bd 2035 TPU resin, produced from K .........
(The original document is in English and was published in 2005).
959690 SWELLING OF POLYURETHANE RUBBERS IN ORGANIC SOLVENTS.
The development of mathematical models to describe the relation between the degree of swelling of rubbers and the properties of solvents, taking into account the structural characteristics of solvents and their ability to interact with the polymer matrix, is described. The dependence of the swelling .........
(The original document is in English and was published in 2005).
950934 WATER-BASED CHLORINATION TREATMENT OF SBS RUBBER SOLES TO IMPROVE THEIR ADHESION TO WATERBORNE POLYURETHANE ADHESIVES IN THE FOOTWEAR INDUSTRY.
The surface treatment of styrene-butadiene-styrene (SBS) rubber soles by various aqueous inorganic and organic chlorinating agents, such as acidified sodium hypochlorite solution or aqueous trichloroisocyanuric acid (TCI) solution was investigated by ATR-FTIR, XPS, contact angle measurements and SEM .........
(The original document is in English and was published in 2005).
949008 MISCIBILITY AND FRACTURE TOUGHNESS OF THERMOPLASTIC POLYURETHANE /POLY(VINYL CHLORIDE)/NITRILE RUBBER TERNARY BLENDS WITH SPECIAL REFERENCE TO THE BLEND COMPOSITION.
Blends of thermoplastic polyurethane (PU) with a polyvinyl chloride and nitrile rubber (PVC/NBR) mixture over a full range of blend ratios were examined for the miscibility of the ternary blends, and for their fracture toughness, using Fourier transform infrared spectroscopy, scanning electron micro .........
(The original document is in English and was published in 2005).
945101 ULTRASONIC DEVULCANIZATION OF UNFILLED POLYURETHANE RUBBER USING COAXIAL AND GROOVED BARREL REACTORS: A COMPARATIVE STUDY.
Polyurethane rubber was devulcanised in a newly developed grooved barrel reactor and the processing characteristics, such as die pressure and ultrasonic power consumption, gel fraction, crosslink density, dynamic mechanical properties and mechanical properties of the devulcanised rubber determined. .........
(The original document is in English and was published in 2005).
940429 DMTA STUDY OF THE URETHANE NETWORK IN RUBBER WASTE- URETHANE COMPOSITES.
The supermolecular structure of composites of polyurethane prepolymers with various proportions of waste rubber granules derived from scrap tyres and based on natural rubber, styrene-butadiene rubber and/or butadiene rubber, was investigated by DMTA. The effects of type and amount of polyurethane pr .........
(The original document is in English and was published in 2005).
939851 NEW MAGNETORHEOLOGICAL ELASTOMERS BASED ON POLYURETHANE /Si- RUBBER HYBRID.
A magnetorheological(MR) elastomer based on PU/silicone rubber hybrid was fabricated without applying a magnetic field. The MR effect was improved by optimising the conditions of preparation, particularly the PU/silicone rubber ratio, and by improving the compatibility between PU and silicone rubber .........
(The original document is in English and was published in 2005).
934977 SOME PROPERTIES OF POLYURETHANE - WASTE RUBBER GRANULATES COMPOSITES.
The preparation of composites of polyurethanes, derived from poly(propylene oxide) and various aromatic diisocyanates, with different proportions of waste rubber granules is described. The composites were characterised by mechanical testing, DSC, TGA and DMTA, and the effects of different urethane p .........
(The original document is in English and was published in 2004).
932178 CHARACTERISTICS OF RUBBER AND POLYURETHANE SHOE SOLES.
The materials most frequently used for shoe soles are described and the liquid injection moulding technology used for production of PU soles is discussed. Two different processes for production of PU soles are considered, one in which unit sole components are produced in the open cast process and on .........
(The original document is in Serbo-Croat and was published in 2004).
929489 STRUCTURAL RELAXATION AND MORPHOLOGY OF THE RUBBER - URETHANE COMPOSITES.
Waste rubber powder (particle size of less than 1.5 mm) was blended with 10% urethane prepolymer, and pressed at 90 C and a pressure of 2.5 MPa. The samples were characterised by differential scanning calorimetry and dynamic mechanical thermal analysis at temperatures of 190-560 K, over the frequenc .........
(The original document is in English and was published in 2004).
929382 THERMOGRAVIMETRIC STUDY OF RUBBER WASTE- POLYURETHANE COMPOSITES.
The synthesis of rubber waste-polyurethane composites based on granulated rubber from waste tyres and different polyurethane prepolymers in various proportions, and their characterisation by hardness, elasticity, glass transition temperature (DSC) and thermal stability (TGA), is described. The kinet .........
(The original document is in English and was published in 2004).
923747 POLYURETHANE ELASTOMERS FILLED WITH GRANULATED RUBBER.
Reclaimed rubber granules were used as inert fillers in polyurethane elastomers, and tests were carried out to determine changes in mechanical properties. In particular, this article reports on the effect of rubber granules with diameters of 2 mm as a filler in polyurethane elastomer with a 12% conc .........
(The original document is in English and was published in 2004).
923194 ADHESION BETWEEN POLYURETHANE COATING AND EPDM RUBBER COMPOUND.
The effect of the bulk modification of an EPDM compound on the adhesion performance with PU coating is studied. EPDM is bulk modified using maleated EPDM, polynorbornene (PNR) or different curatives to improve adhesion to PU coating. The coating-rubber composite adhesion performance is examined by p .........
(The original document is in English and was published in 2004).
922506 ULTRASONIC DEVULCANIZATION OF CARBON BLACK FILLED POLYURETHANE RUBBER .
Following success with the recycling of unfilled PU rubber (PUR) an attempt is made to devulcanise carbon black (CB)-filled PUR. Although CB is added in various proportions, only samples with lower filler loading can be treated. Devulcanisation experiments are carried out at various feed rates, gap .........
(The original document is in English and was published in 2004).
919193 POLYURETHANE ELASTOMERS FILLED WITH GRANULATED RUBBER.
The results are reported of an investigation into the mechanical properties of PU elastomers filled with up to 90 wt.% of granulated rubber having a grain size of 2 mm. The elastomers were prepared from MDI and 1,4-butanediol as curing agent and properties investigated included Shore hardness, tensi .........
(The original document is in Polish and was published in 2004).
918044 IMPROVED PROPERTIES OF BLENDS OF ULTRASONICALLY TREATED UNFILLED POLYURETHANE RUBBER .
An attempt is made to improve the properties of the PU rubber devulcanised using the coaxial ultrasonic reactor. After devulcanisation of the cured rubber under varying gap sizes and amplitudes, blends of the devulcanised and virgin rubber at different ratios are prepared. Rheological and mechanical .........
(The original document is in English and was published in 2004).
913011 MORPHOLOGY AND MECHANICAL PROPERTIES OF LAYERED SILICATE REINFORCED NATURAL AND POLYURETHANE RUBBER BLENDS PRODUCED BY LATEX COMPOUNDING.
NR, PU rubber and NR/PU-based nanocomposites were produced from the related latices by adding a pristine synthetic layered silicate (LS, sodium fluorohectorite) at a level of 10 pph rubber. The dispersion of the LS latices in the composite was studied by X-ray diffraction and TEM and further informa .........
(The original document is in English and was published in 2004).
912776 MORPHOLOGY AND MECHANICAL PROPERTIES OF LAYERED SILICATE REINFORCED NATURAL AND POLYURETHANE RUBBER BLENDS PRODUCED BY LATEX COMPOUNDING.
Details are given of the production of NR, PU rubber and NR/PU-based nanocomposites from the related latex with synthetic layered silicate. The dispersion of the silicate in the composite was studied by X-ray diffraction and TEM. Other data from the rubber/silicate interaction was obtained from FTIR .........
(The original document is in English and was published in 2004).
904403 BIOMATERIAL BASED POLYURETHANE ADHESIVE FOR BONDING RUBBER AND WOOD JOINTS.
An intermediate compound for synthesising polyester polyol was prepared from glycosylation of potato starch by reacting it with ethylene glycol in the presence of sulphuric acid. Glycol glycoside was prepared and characterised by HPLC and FTIR. Sebacic acid was used as dicarboxylic acid along with c .........
(The original document is in English and was published in 2003).
903729 STUDY ON MECHANICAL PROPERTIES AND INTERMOLECULAR INTERACTION OF SILICONE RUBBER / POLYURETHANE /EPOXY BLENDS.
The aggregation structure and mechanical properties of liquid silicone rubber, polyurethane (PU) and epoxy (EP) blends were studied. The molecular structure was evaluated by FTIR, and the intermolecular interaction of the three-phase polyblends was measured by dynamic mechanical analysis. The mechan .........
(The original document is in English and was published in 2003).
900486 POLYESTER POLYOL-BASED POLYURETHANE ADHESIVE; EFFECT OF TREATMENT ON RUBBER SURFACE.
Polyester polyols were synthesised from vegetable oil fatty acids (oleic acid and ricinoleic acid) and epoxy resin and used in the manufacture of PU adhesives, which were utilised to bond SBR. The surface of the SBR was treated with different concentrations of sulphuric acid and the effect of the su .........
(The original document is in English and was published in 2003).
889384 IMPROVED ADHESION BETWEEN POLYURETHANE AND SBR RUBBER TREATED WITH TRICHLOROISOCYANURIC ACID SOLUTIONS CONTAINING DIFFERENT CONCENTRATIONS OF CHLORINE.
The chlorine concentration in trichloroisocyanuric acid (TCI) solutions depends on the solvent used to apply the chlorination agent on the rubber surface and on the time after preparation of the solutions. Methyl ethyl ketone (MEK) and ethyl acetate (EA) are used as solvents for 2 wt.% TCI in the tr .........
(The original document is in English and was published in 2003).
885363 TREATMENT OF A STYRENE-BUTADIENE-STYRENE RUBBER WITH CORONA DISCHARGE TO IMPROVE THE ADHESION TO POLYURETHANE ADHESIVE.
A styrene-butadiene-styrene thermoplastic elastomer was subjected to corona discharge treatment to increase its surface energy and adhesion to a PU adhesive and the effect of the length of treatment investigated. Techniques employed to assess the effects of surface treatment included contact angle m .........
(The original document is in English and was published in 2003).
884378 MECHANISMS OF ADHESION IN SURFACE CHLORINATED THERMOPLASTIC RUBBER /THERMOPLASTIC POLYURETHANE ADHESIVE JOINTS.
Chlorination of a thermoplastic styrene-butadiene-styrene rubber (S0) with a solution of 2 wt.% trichloroisocyanuric acid (TCI) in ethyl acetate improves its adhesion in PU adhesives. The analysis of the failed surfaces (obtained after T-peel test of S0/PU joints) shows that the locus of failure in .........
(The original document is in English and was published in 2002).
884033 RECYCLING OF UNFILLED POLYURETHANE RUBBER USING HIGH-POWER ULTRASOUND.
Millable polyurethane (PU) rubber was devulcanised with high-power ultrasound in a continuous coaxial reactor. Various feed rates and gap sizes were evaluated for their effect on the devulcanisation reaction. The materials were then revulcanised with adjustments to the original cure mixture, to comp .........
(The original document is in English and was published in 2003).
880510 APPLICATION OF HYGROTHERMALLY DECOMPOSED CROSSLINKED POLYURETHANE WASTE IN RUBBER STOCKS.
The crosslinked structure of PU can be efficiently destroyed by hygrothermal treatment. The outcome is a hygrothermally decomposed PU (HD-PU), the properties of which can be tailored upon request. Due to its amine functionality and rubber-like characteristics, HD-PU may be a cost-efficient property .........
(The original document is in English; Hungarian and was published in 2002).
875406 INFLUENCE OF HYGROTHERMALLY DEGRADED POLYESTER- URETHANE ON PHYSICAL AND MECHANICAL PROPERTIES OF CHLOROPRENE RUBBER .
The effect of hygrothermally degraded polyester-urethane waste on the curing behaviour, mechanical properties, swelling behaviour and dynamic mechanical properties of polychloroprene was investigated. Scanning electron microscopy was employed to analyse the microstructure of the blends and the fract .........
(The original document is in English and was published in 2003).
871902 EFFECT OF URETHANE BASED BONDING AGENT ON THE CURE CHARACTERISTICS AND MECHANICAL PROPERTIES OF STYRENE BUTADIENE RUBBER -WHOLE TYRE RECLAIM-SHORT NYLON FIBRE COMPOSITE.
The cure characteristics and mechanical properties of short nylon fibre-SBR/whole tyre reclaim (SBR/WTR) composites with and without an interfacial bonding agent based on 4,4 diphenyl methane diisocyanate and polyethylene glycol (MDI/PEG) are studied. An 80:40 blend of SBR/WTR reinforced with 20 phr .........
(The original document is in English and was published in 2002).
871052 MELAMINE RESINS MODIFIED BY URETHANE AS RESORCIN-FREE PROMOTERS OF RUBBER ADHESION FOR STEEL CORD. PART II.
The preparation of self-crosslinking melamine resins modified with urethanes and acrylamide and their use as adhesives for increasing the adhesion of rubber to steel/brass cords. 9 refs. .........
(The original document is in Polish and was published in 2002).
863879 ELECTRICAL CONDUCTIVITY CHANGES OF SILICONE OR POLYURETHANE RUBBER /CARBON BLACK COMPOSITES DURING CYCLIC PRESSURE DEFORMATION.
Silicone and polyurethane rubbers, containing 0-30 wt% carbon black filler, were prepared and the electrical conductivity measured during compression and recovery. Below the percolation threshold, the conductivity decreased with increasing deformation, whilst above the threshold, the conductivity in .........
(The original document is in English and was published in 2002).
863636 MODIFICATION OF WATERBORNE POLYURETHANE BY FORMING LATEX INTERPENETRATING POLYMER NETWORKS WITH ACRYLATE RUBBER .
PU/poly(acrylic rubber)(PAR) latex IPNs based on waterborne PUs were prepared by sequential polymerisation with methyl acrylate, ethyl acrylate or butyl acrylate. The effect of PU/PAR composition and crosslink density in both in the PAR domain and in the PU domain was studied in terms of density, me .........
(The original document is in English and was published in 2002).
862962 BLENDS OF NATURAL RUBBER AND POLYURETHANE LATICES STUDIED BY PROTON WIDELINE AND CARBON-13 MAGIC ANGLE SPINNING SOLID-STATE NMR.
Proton wideline and carbon-13 magic angle spinning NMR were used to study the morphology and dynamics of latex cast and solution cast film blends of NR and a PU based on poly(epsilon-caprolactone) diol and isophorone diisocyanate. The results indicated that there was only a small degree of interpene .........
(The original document is in English and was published in 2002).
862136 TOUGHENING OF VINYLESTER- URETHANE HYBRID RESINS BY FUNCTIONAL LIQUID NITRILE RUBBERS AND HYPERBRANCHED POLYMERS.
Liquid nitrile rubbers with vinyl, carboxyl, and epoxy functionalities, and hyperbranched polyesters with vinyl and epoxy functionalities, were added to vinyl ester-urethane resin to enhance the fracture toughness. Additions of carboxyl and epoxy functionalised nitrile rubbers significantly increase .........
(The original document is in English and was published in 2002).
857761 NEW FORMAT: BAYER CHANGING STRUCTURE OF RUBBER / POLYURETHANES UNITS.
Bayer's plan to turn itself into a holding company with independent operating subsidiaries will result in the rubber and PU businesses each being split into three main product units under the Bayer Polymers AG subsidiary. The rubber business group will be split into a general rubber unit for product .........
(The original document is in English and was published in 2002).
857596 DIMERIZED FATTY ACID TECHNOLOGY FOR RUBBERY THERMOPLASTIC POLYURETHANE ELASTOMERS.
Dimerised fatty acid is an oleochemical derived dioic acid with 36 carbon atoms that can readily be converted to a form suitable for use in PU chemistry, such as hydroxy terminated polyester. When comparing these dimerate polyols to conventional adipate, polycaprolactone and polyether polyols, it is .........
(The original document is in English and was published in 2002).
852968 MELAMINE RESINS MODIFIED BY URETHANE AS RESORCIN-FREE PROMOTERS OF RUBBER ADHESION FOR STEEL CORD. I.
Self-crosslinking resins modified by urethanes (based on decyl, lauryl and coconut alcohols) and acrylamide are obtained. These resins are appropriated for adhesive formulations increasing adhesion of rubber to steel brassed cords. All products used in rubber mixtures without toxic resorcin and its .........
(The original document is in Polish and was published in 2002).
852689 EFFECTS OF HYGROTHERMALLY DECOMPOSED POLYURETHANE ON THE CURING AND MECHANICAL PROPERTIES OF CARBON BLACK-FILLED EPOXIDIZED NATURAL RUBBER VULCANIZATES.
The curing and mechanical properties of epoxidised natural rubber containing up to 20 phr of hydrothermally decomposed polyurethane (PU) were studied. No significant changes in the tensile properties were observed, whilst the compression set increased with increasing PU content. Further improvements .........
(The original document is in English and was published in 2002).
850256 INFLUENCE OF CHLORINATING SOLUTION CONCENTRATION ON THE INTERACTIONS PRODUCED BETWEEN CHLORINATED THERMOPLASTIC RUBBER AND POLYURETHANE ADHESIVE AT THE INTERFACE.
Chlorination of a thermoplastic styrene-butadiene-styrene rubber(S0) with different amounts of trichloroisocyanuric acid(TCI) solutions in ethyl acetate improved its adhesion to PU adhesives. A strong interaction of the PU adhesive and the chlorinated S0 rubber chains was produced at the interface. .........
(The original document is in English and was published in 2002).
847627 EFFECT OF URETHANE BASED BONDING AGENT ON THE CURE CHARACTERISTICS AND MECHANICAL PROPERTIES OF NATURAL RUBBER /WHOLE TYRE RECLAIM-SHORT NYLON FIBER COMPOSITE.
The effect of urethane-based bonding agent on the cure characteristics and mechanical properties of NR/whole tyre reclaim-short nylon fibre composite was studied. TS, tear strength, EB and heat build-up were studied in both orientations of the fibres. The processability as indicated by the minimum t .........
(The original document is in English and was published in 2002).
846897 NEW PROCESS FOR CROSSLINKING THERMOPLASTIC POLYURETHANES USING RUBBER INDUSTRY TECHNIQUES.
New PU materials are obtained after chemical modification of a commercial thermoplastic PU (TPU) using diisocyanates and diols or diamines. The reaction can be easily processed by the well-known calendering technique often used by the rubber industry. It leads to a remarkable improvement of the ther .........
(The original document is in English and was published in 2002).
 

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