Thermoplastic rubber compositions of carboxyl ethylene polymer a

Details Thermoplastic rubber compositions of carboxyl ethylene polymer a Thermoplastic rubber compositions of carboxyl ethylene polymer a

1989-04-21

1990-05-01

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525195, 525240, 5253337, C08L 7700, C08F 800

Patent

active

049219146

ABSTRACT:
Disclosed is a composition, a process for making the composition, and blends comprising the composition, wherein the composition comprises (a) an at least partially neutralized carboxylated ethylene-propylene rubber copolymer that is the reaction product of (i) a non-carboxylated ethylene-propylene rubber, (ii) an azidosulfonylbenzoic acid, and (iii) and a metal based neutralizing agent wherein: (1) the carboxylated copolymer is substantially free of olefinic unsaturation, and (2) the degree of neutralization of the carboxyl groups of the carboxylated copolymer is at least 50 percent, and (b) a zinc carboxylate.

REFERENCES:
patent: 3200985 (1965-11-01), Breslow
patent: 3847854 (1974-11-01), Canter et al.
patent: 4137203 (1979-01-01), Makowski et al.
patent: 4810753 (1989-03-01), Koga
Research Disclosure, Jun. 1975, 134, #13449.

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