Process for the preparation of polyamide from omega-aminonitrile

Details Process for the preparation of polyamide from omega-aminonitrile Process for the preparation of polyamide from omega-aminonitrile

1985-12-16

1986-12-16

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528206, 528207, 528208, 528310, C08G 6900

Patent

active

046297766

ABSTRACT:
A catalytic process for the production of high molecular weight nylon-type polyamides from omega-aminonitriles has been discovered. The process comprises contacting an omega-aminonitrile, water and a catalytic amount of an oxygenated sulfur compound catalyst. In one embodiment, sulfuric acid is utilized to polymerize 6-aminocapronitrile to nylon-6, at an elevated temperature and pressure.

REFERENCES:
patent: 4568736 (1986-02-01), Curatolo et al.

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