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Blend of EPDM and SBR using an EPDM of different origin as a compatibilizer
Blend of EPDM and SBR using an EPDM of different origin as a compatibilizer
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机译:EPDM和SBR的混合物,使用不同来源的EPDM作为增容剂
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摘要
A polymer blend of an ethylene-&agr;-olefin-diene rubber and a conjugated diene rubber suitable for use as a replacement for unblended EPDM rubber in automotive applications. The rubber blends of the present invention comprise a high molecular weight EPDM rubber, a conjugated diene rubber, and a low molecular weight, high ethylene content EPDM rubber that functions as a compatibilizer. The resultant blend exhibits physical properties, including tensile and tear strength, that are comparable to conventional EPDM rubbers, while maintaining the excellent heat and weather resistance possessed by EPDM rubbers.
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