Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-12-21
1991-09-17
Short, Patricia
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525177, 525184, C08L 900, C08L 2316, C08L 700
Patent
active
050496204
ABSTRACT:
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 halid 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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Callander Douglas D.
Hahn Bruce R.
Halasa Adel F.
Hsu Wen-Liang
Rockhill Alvin T.
Short Patricia
The Goodyear Tire & Rubber Company
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