Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Effecting a change in a polymerization process in response...
Patent
1976-06-07
1977-07-12
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Effecting a change in a polymerization process in response...
260 318DR, 260 318B, 260468G, 260468K, 260475PN, 260479S, C07C 6983
Patent
active
040355594
ABSTRACT:
A compound of the formula (1), ##STR1## WHEREIN R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are individually a hydrogen atom or a C.sub.1 -C.sub.20 alkyl group, A is a hydrocarbon residue, and n is an integer of 2 or 3, provided that when R.sub.1 is a methyl group and each of R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 is a hydrogen atom, the isopropenyl group ##STR2## is substituted at o- or m-position to the oxycarbonyl group ##STR3## which is useful as a crosslinking plasticizer for rubber.
REFERENCES:
patent: 3655731 (1972-04-01), Richter
Fujii Yoshikazu
Hata Kazuhiko
Kanagawa Shuichi
Michl Paul R.
Sumitomo Chemical Company Limited
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