Method of branching and cross-linking a polycarbonate resin

Details Method of branching and cross-linking a polycarbonate resin Method of branching and cross-linking a polycarbonate resin

1997-10-20

2000-07-11

Mosley-Boykin, Terressa

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528198, C08G 6400

Patent

active

060874686

ABSTRACT:
The disclosure describes reacting a multi-functional phenolic or carboxylic branching agent with a transesterification catalyst to form an organic salt prior to reactive extrusion of said organic salt branching agent with linear polycarbonate resin as a means to dramatically increase the efficiency of the branching agent in the preparation of branched polycarbonate.

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