Acid scavenged polymer halogenation

Details Acid scavenged polymer halogenation Acid scavenged polymer halogenation

1990-10-11

1992-02-11

Lipman, Bernard

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

Synthetic resins

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

5253337, 5253341, 525357, C08F 822

Patent

active

050876740

ABSTRACT:
A process for halogenating polymers by contacting a polymer either in solution or in bulk with a halogenating agent in the presence of an acid scavenger. Halogenated polymer, e.g., butyl rubber, with a particular structure is obtained and the product suffers less molecular weight loss. Combinations of acid scavengers can also be used and the scavenger can be dispersed in the polymer prior to halogenation and/or added to the reaction zone during halogenation.

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