Process for deactivation of polyolefin compositions utilizing ca

Details Process for deactivation of polyolefin compositions utilizing ca Process for deactivation of polyolefin compositions utilizing ca

1998-12-23

2000-02-08

Mosley-Boykin, Terressa

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

Synthetic resins

Treating polymer containing material or treating a solid...

528483, 5263482, 526352, C08F 600

Patent

active

060229462

ABSTRACT:
A method of deactivating a polyolefin polymer is disclosed whereby the polymer is contacted in a post-reactor vessel with CO.sub.2 and then an acid acceptor and at least one secondary antioxidant are incorporated into the deactivated polyolefin polymer. The resulting product displays improved color and reduced melt flow breaking tendency, and does not exhibit polymer agglomeration and stickiness.

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