Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1988-10-28
1990-08-28
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526216, C08F22204
Patent
active
049525581
ABSTRACT:
Copolymers of ethylenically unsaturated dicarboxylic anhydrides and alkyl vinyl ethers are prepared by copolymerization of the monomers from which the copolymers are derived, in the presence or absence of up to 2% by weight, based on the monomers, of a crosslinking agent containing two or more ethylenically unsaturated double bonds, in the presence of a polymerization initiator in an ester of not less than 5 carbon atoms which is obtained from a saturated aliphatic carboxylic acid and a saturated monohydric alcohol, as a solvent for the monomers, by a precipitation polymerization method.
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Denzinger Walter
Goertz Hans-Helmut
Raubenheimer Hans-Juergen
BASF - Aktiengesellschaft
Schofer Joseph L.
Walker Alex H.
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