High modulus rubber composition

Details High modulus rubber composition High modulus rubber composition

C - Chemistry, Metallurgy

08

L

400/5740, 400/58

C08L 21/00 (2006.01) C08G 63/78 (2006.01) C08G 63/79 (2006.01) C08L 9/00 (2006.01)

Patent

CA 2031012

Abstract of the Disclosure HIGH MODULUS RUBBER COMPOSITION It is desirable to increase the modulus of rubbers utilized in a wide variety of applications. This invention discloses a technique for preparing high modulus rubber compositions. By utilizing this technique, high modulus can be attained without sacrificing other properties, such as processability. The subject invention more specifically relates to a process for preparing a high modulus rubber composition which comprises: (1) polymerizing at least one diacid or diacid halide with at least one member selected from the group consisting of diols and diamines in a polymer cement of a rubbery elastomer under conditions which result in the formation of a rubber cement having a polyester or a polyamide dispersed therein; and (2) recovering the high modulus rubber composition from the rubber cement. It is highly desirable to make the high modulus rubber composition by interfacial polymerization.

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