Aliphatic polyester and a process for the preparation thereof

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

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Details

528272, 528275, 528279, 528280, 528281, 528283, 524755, 524783, 524784, 524785, 524788, C08G 6378, C08K 310

Patent

active

057418829

ABSTRACT:
A process to prepare a high molecular weight aliphatic polyester is disclosed, where a catalyst is portionwise added, and a radical scavenger is also added. The aliphatic polyester obtained has a number average molecular weight larger than 70,000.

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