Results 111 to 120 of about 1,895 (167)

Compatibilization of elastomer‐based blends

Macromolecular Symposia, 2002
AbstractThe reactive compatibilization of ethylene‐propylene‐diene (EPDM)‐based dissimilar elastomer blends has been investigated in terms of mechanical properties and swelling degree. The use of mercapto‐functionalized copolymers resulted in an improvement of mechanical properties of natural rubber‐EPDM blends.
Bluma G. Scares, Alex S. Sirqueira, Marcia G. Oliveira, Mauricio S.M. Almeida   +3 more
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Characterization of elastomer blend and compatibility

Journal of Applied Polymer Science, 1999
Binary blends of acrylonitrile-co-butadiene rubber and ethylene propylene diene monomer rubber are immiscible. However, they can be made compatible by addition of a third elastomer viz., chlorinated polyethylene or chlorosulphonated polyethylene in small concentrations. Various sophisticated analytical techniques, e.g., ultrasonic velocity measurements
D. K. Setua, K. N. Pandey, A. K. Saxena, G. N. Mathur   +3 more
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Characterization of Immiscible Elastomer Blends

Rubber Chemistry and Technology, 1993
Abstract Considerable improvements have been made in the analysis of elastomer blends for composition, morphology and filler inter-phase distribution. GC, IR, NMR and thermal analysis (DTG, DSC, TG) techniques can provide quantitative information on composition.
W. M. Hess, C. R. Herd, P. C. Vegvari
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Encapsulation in Ternary Elastomer Blends

Rubber Chemistry and Technology, 1999
Abstract Ternary elastomer blends of acrylonitrile-butadiene rubber (NBR), chlorinated polyethylene (CM), and ethylene-propylene rubber (EP) have been investigated using transmission electron microscopy (TEM). Especially the effect of comonomer content, chlorine in CM and acrylonitrile in NBR, on blend morphology is studied.
Yasuaki Koseki, Moo Sung Lee, C. W. Macosko   +2 more
openaire   +1 more source

Resistance to Ozone Cracking in Elastomer Blends

Rubber Chemistry and Technology, 1966
Abstract The phenomenon of ozone cracking has been investigated for elastomer blends containing an ozone reactive phase (natural rubber) and an ozone inert phase (ethylene propylene rubber). Electron microscopical studies reveal phase separation in the blend and the locus of ozone attack.
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Polypropylene blends with elastomers

1999
Discovery of isotactic polypropylene (PP) in 1954 started a search for methods to improve its low-temperature impact strength [1, 2]. These activities commenced in the late 1950s by blending PP with polyethylenes (PE) or elastomers, then by copolymerizing it with ethylene into ethylene-propylene rubber (EPR) and ethylene-propylene-diene (EPDM).
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Rheology of elastomer blends and composites

2022
Elastomers, their blends, and composites are very complex rheological fluids. During their production, they undergo numerous mechanical stresses and deformations. Therefore, manufacturing facilities should be designed and optimized taking into account the material response.
openaire   +2 more sources

Blends of Elastomers and Thermoplastics—A Review

Rubber Chemistry and Technology, 1976
Abstract In blends of elastomers and thermoplastics one component may be regarded as reinforcing the other. Examples are enhancement of tensile strength, tear strength, abrasion resistance, and modulus of elastomers by thermoplastics and improvement of impact resistance and environmental stress-cracking resistance of thermoplastics by ...
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Electron Microscopy of Heterogeneous Elastomer Blends

Rubber Chemistry and Technology, 1967
Abstract Microheterogeneity has been observed in several elastomer blends on thin frozen sections, microtomed in a nitrogen atmosphere to eliminate all surface oxidation and cracking, in both phase and electron microscopes. Phase photomicrographs and electron micrographs showing identical detail were obtained on sections swollen in a solvent ...
Peter A. Marsh, Andries Voet, L. D. Price   +2 more
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Polyolefin Thermoplastic Elastomer Blends

Rubber Chemistry and Technology, 1991
Abstract Thermoplastic elastomers based on blends of polyolefins are an important family of engineering materials. Their importance arises from a combination of rubbery properties along with their thermoplastic nature in contrast to thermoset elastomers.
openaire   +1 more source