Thermoplastic vulcanizates of carboxylated nitrile rubber and po

Details Thermoplastic vulcanizates of carboxylated nitrile rubber and po Thermoplastic vulcanizates of carboxylated nitrile rubber and po

1997-12-10

2000-02-01

Short, Patricia A.

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

Synthetic resins

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

525 64, 525 92A, 525 92E, 525 92F, 525133, 525148, 525166, 525173, 525175, C08L 3320

Patent

active

060204273

ABSTRACT:
Low oil swell, processable carboxylated nitrile rubber thermoplastic vulcanizate compositions having high melting points are made utilizing a processing aid, for example, maleated polyethylene, and addition type curing agents such as bisoxazolines or bisimidazolines. The compositions generally contain polar thermoplastic high melting point crystalline polymers such as polyester as a continuous phase with the carboxylated nitrile rubber being dispersed therein.

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An article entitled "Toughened Poly(butylene terephthalate)s and Blends Prepared by Simultaneous Chain Extension, Interfacial Coupling, and Dynamic Vulcanization Using Oxazoline Intermediates" Christof Worner, Philipp Muller, Rolf Mulhaupt, Freiburger Materialforschungszentrum and Institu for Makromolekulare Chemie, Stefan-Meier-Str. 21, D-79104, Freiburg i., Br., pp. 633-642, published Oct. 1-6, 1997.

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