Methods of controlling molecular weight distribution of polymers and compositions thereof

Patent No. 8,324,337

Issued: December 24, 2012
Filed: November 17, 2010

Inventors: Allen; Scott D. (Ithaca, NY)
Assignee: Novomer Inc. (Ithaca, NY)

A catalyst, co-catalyst, and/or chain transfer agent is added at a time after initiation of an addition polymerization reaction to produce a polymer product with a widened molecular weight distribution relative to having all of the components in the original reaction mixture. The catalyst, co-catalyst, or chain transfer agent may be added discretely or continuously to the reaction to produce a product with a bimodal, trimodal, or other broadened molecular weight distribution

Reference to Related Applications

This is a continuing patent application of application Ser. No. 12/129,106, filed May 29, 2008, entitled "METHODS OF CONTROLLING MOLECULAR WEIGHT DISTRIBUTION OF POLYMERS AND COMPOSITIONS THEREOF", issued Dec. 28, 2010 as U.S. Pat. No. 7,858,729. The aforementioned application is hereby incorporated herein by reference.

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