Process for preparing impact-resistant polyamides

Details Process for preparing impact-resistant polyamides Process for preparing impact-resistant polyamides

1983-02-24

1984-12-25

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528323, C08G 6920

Patent

active

044905203

ABSTRACT:
A process for preparing polyamides having improved impact strength and elongation comprising polymerizing an -lactam in the presence of (1) an alkali catalyst and (2) the reaction product of (a) a polyfunctional co-catalyst such as a polyisocyanate and (b) a polyoxyalkalene amine. The polyamides of the present invention are particularly useful for making strong tough molded or cast articles.

REFERENCES:
patent: 3423372 (1969-01-01), Steely
patent: 3427289 (1969-02-01), Warner
patent: 3440227 (1969-04-01), Baum
patent: 3721652 (1973-03-01), Barnes
patent: 4188478 (1980-02-01), Goebel

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