Crosslinking of polymers with azo-esters

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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260 4233, 260 4237, 260 4246, 521 88, 521 90, 521143, 521149, 521148, 526 51, C08J 910

Patent

active

041295315

ABSTRACT:
A method is provided for crosslinking polymers at temperatures above 170.degree. C using azo-esters having the formula ##STR1## wherein R.sup.3 is --OOC--R, alkyl, cycloalkyl or aralkyl.

REFERENCES:
patent: 3306862 (1967-02-01), Mageli et al.
patent: 4029615 (1977-06-01), Kowens et al.

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