Preparation of salt solution useful for making nylon

Details Preparation of salt solution useful for making nylon Preparation of salt solution useful for making nylon

1983-03-14

1984-04-10

Ivy, C. Warren

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

252182, 2605012, 528335, C08G 6928

Patent

active

044422601

ABSTRACT:
A process is described for making highly concentrated solutions of nylon salt in which the diamine is added in two portions, one before and one after a step in which water is evaporated from a solution of maximum solubility.

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patent: 4131712 (1978-12-01), Sprauer
patent: 4213884 (1980-07-01), Eckell et al.
patent: 4233234 (1980-11-01), Rotzoll et al.
patent: 4251653 (1981-02-01), Eckell et al.

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