1993
DOI: 10.1002/app.1993.070480317
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Influence of curative, filler, compatibilizer, domain size, and blend ratio on the dynamic mechanical properties of silicone–EPDM blends

Abstract: SYNOPSISDynamic property measurements show two loss tangent peaks for silicone rubber a t about -95°C and -2O"C, and one peak for EPDM at about -30°C. DSC studies confirm that the first loss tangent peak of silicone rubber is caused by its glass transition and the other is caused by crystalline melting of silicone. Measurements with blends reveal the individual characters of the components in the blends. Large differences in the solubility parameter between them also explains the incompatible nature. The effec… Show more

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Cited by 31 publications
(19 citation statements)
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“…Mastomatteo et al20 also have reported on this kind of migration of crosslinking ingredient into one of the phases of ethylene‐propylene‐diene rubber (EPDM)/styrene‐butadiene rubber (SBR) blend because of the difference in polarity. We observed a similar migration of curatives for many other blends 21, 22. Hence, using Diak #1 alone as a curative for a blend containing ACM‐FKM is not sufficient.…”
Section: Resultssupporting
confidence: 77%
“…Mastomatteo et al20 also have reported on this kind of migration of crosslinking ingredient into one of the phases of ethylene‐propylene‐diene rubber (EPDM)/styrene‐butadiene rubber (SBR) blend because of the difference in polarity. We observed a similar migration of curatives for many other blends 21, 22. Hence, using Diak #1 alone as a curative for a blend containing ACM‐FKM is not sufficient.…”
Section: Resultssupporting
confidence: 77%
“…11(a)], and (b)], the various phases preserve their peaks, as is typical of immiscible blends; 30 however, the peak magnitudes are reduced, corresponding to the phase content within the blend. The T g peaks of UHMWPE and polybutadiene remain unshifted at Ϫ110 and Ϫ70°C, respectively, and decrease significantly in magnitude upon the addition of 4 phr CB, again due to damping imposed by the filler.…”
Section: Dynamic Mechanical Propertiesmentioning
confidence: 98%
“…The literature shows that when we add ground rubber as filler the result is often a substantial deterioration in the physical properties of the composites. The deterioration is due to a lack of interfacial interaction between the particles of rubber waste and rubber matrix, mainly reclaiming a high concentration of waste 19–22…”
Section: Introductionmentioning
confidence: 99%