Preparation of polyamide by contacting diamine, dinitrile, water

Details Preparation of polyamide by contacting diamine, dinitrile, water Preparation of polyamide by contacting diamine, dinitrile, water

1982-04-05

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

528335, 528339, C08G 6900

Patent

active

045018812

ABSTRACT:
This invention describes a process for preparing polyamides comprising contacting a dinitrile, a diamine and water in the presence of a dicarboxylic acid. In one embodiment, nylon-6,6 is prepared by contacting adiponitrile, hexamethylene diamine and water in the presence of adipic acid.

REFERENCES:
patent: 2245129 (1941-06-01), Greenewalt
patent: 3847876 (1974-11-01), Onsager

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