Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1983-11-16
1985-02-26
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
526 74, 528339, 528347, C08G 6928
Patent
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
Anderson Harold D.
Monsanto Company
Whisler John W.
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