Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1977-12-14
1978-12-12
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
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.
Hofmann Harald
Rauer Kurt
Schiller Heidelinde
Sheppard Chester S.
Foelak Morton
Pennwalt Corporation
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