Preparation of terpolymers

Details Preparation of terpolymers Preparation of terpolymers

C - Chemistry, Metallurgy

08

F

402/310

C08F 122/06 (2006.01) C08F 210/14 (2006.01) C08F 222/06 (2006.01)

Patent

CA 1150897

O. Z. 0050/033409 Abstract of the Disclosure: Terpolymers which have Fikentscher K-values of from 8 to 100 and comprise 50 mole percent of maleic anhydride units, from 35 to 45 mole percent of 2,4,4'-trimethylpent-1-ene units and from 5 to 15 mole percent of 2,4,4'-trimethylpent-2-ene units, and processes for their preparation by polymerizing 50 parts by weight of maleic anhydride, from 35 to 180 parts by weight of 2,4,4'- trimethylpent-1-ene and from 0.6 to 6 parts by weight of 2,4,4'-trimethylpent-2-ene per part by weight of 2,4,4'- trimethylpent-1-ene employed, in the presence of a free- radical initiator at from 60 to 200°C and a pressure of from 1 to 20 bar, and separating the terpolymers from the uncon- verted monomers.

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