Batch process for preparing 6TA/6IA copolymers high in 6TA

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

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526 74, 528339, 528347, C08G 6928

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active

045018820

ABSTRACT:
In the batch melt polymerization process for preparing 6TA/6IA copolymer having a high 6TA content, i.e., greater than 45%, successive batches of copolymer can be prepared without cleaning out the autoclave between successive batches by conducting the preparation of each batch in the presence of a small amount of a base, for example, sodium hydroxide.

REFERENCES:
patent: 3941755 (1976-03-01), Chapman et al.
patent: 4246395 (1981-01-01), Mortimer

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