C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/131, 402/257
C08F 220/06 (2006.01) C08F 212/00 (2006.01) C08F 222/14 (2006.01) C09D 135/06 (2006.01)
Patent
CA 1227595
ABSTRACT OF THE DISCLOSURE Process for preparing copolymers from esters of an un- saturated carboxylic acid with at least one other unsaturated monomer, characterized in that the following components are co- polymerized in radical substance polymerization: A) 5 to 60 parts by weight of at least one diester of an .alpha.,.beta.-olefinically unsaturated dicarboxylic acid having 1 to 8 carbon atoms in the ester group, B) 10 to 70 parts by weight of at least one vinyl aromatic hydro- carbon having one vinyl group, C) 0 to 30 parts by weight of at least one glycidyl ester of an aliphatic saturated monocarboxylic acid branched in the .alpha.-position, D) 0 to 51 parts by weight of at least one ester or amide of an .alpha.,.beta.-olefinically unsaturated mono- carboxylic acid or an anhydride of at least one .alpha.,.beta.-olefinically unsaturated dicarboxylic acid, E) 0 to 40 parts by weight of at least one .alpha.,.beta.-olefinically unsaturated monocarboxylic acid, the sum of components A) to E) being 100 parts by weight, whilst at least a part of component A) is at first introduced into the reaction vessel alone or in combination with at least a part of component C) and a mixture of component B) with at least one of components D) and E) being present and any remaining parts of com- ponents A) and/or C) is added in portions referred to hereinabove at a temperature range of between 140 and 200°C together with a radical initiator, alone. or in conjunction with a regulator, and if component C) is present, at least an equimolar quantity of component E) is used; and the use of the products thus obtained as binders for the preparation of coating compositions.
394636
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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