Process for the production of a substantially equimolecular copo

Details Process for the production of a substantially equimolecular copo Process for the production of a substantially equimolecular copo

1978-01-13

1979-04-24

Kight, III, John

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260875, 526 86, 526 87, 526272, C08F 606, C08F 624, C08F 814, C08F22206

Patent

active

041513363

ABSTRACT:
An improved process for the production of a substantially equimolecular copolymer of maleic acid anhydride and diisobutylene in which from 10 to 100 mole % of the anhydride groups are esterified with linear or branched aliphatic monoalcohols containing from 1 to 20 carbon atoms or with cycloaliphatic monoalcohols containing from 5 to 6 carbon atoms to form the corresponding semiesters, wherein shortly before or after the end of the solution or suspension copolymerization of maleic acid anhydride and diisobutylene a monomer corresponding to the general formula ##STR1## in which R=H, CH.sub.3, C.sub.2 H.sub.5, --OR.sub.2, --O--CO--CH.sub.3, ##STR2## --CH.sub.2 OH, --CH.sub.2 O--C--CH.sub.3, R.sub.1 =H , CH.sub.3 and

REFERENCES:
patent: 2725367 (1955-11-01), Niederhauser
patent: 2930775 (1960-03-01), Fordyce et al.

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