C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/33
C08F 2/26 (2006.01) C08F 220/18 (2006.01) C09J 131/02 (2006.01) C09J 133/06 (2006.01) C09J 161/00 (2006.01)
Patent
CA 2000736
O.Z. 0050/40301 Abstract of the Disclosure: Materials which are cross- linkable by ultraviolet radiation under atmospheric oxygen and are based on (meth)acrylate copolymers having a X value of from 10 to 100 are obtained by free radical polymerization, in the presence or absence of a solvent, of a) from 5 to 97.4% by weight of isoamyl acrylate and/or isoamyl methacrylate, b) from 0 to 89.9% by weight of (meth)acrylates whose homopolymers have a glass transition temperature below -30°C, c) from 2.5 to 30% by weight of .alpha.,.beta.-monoolefinically unsaturated compounds whose homopolymers have a glass transition temperature above -30°C, d) from 0 to 10% by weight of monoolefinically un- saturated acids and/or their anhydrides and e) from 0 to 20% by weight of further olefinically un- saturated monomers having one or more of the follow- ing functional groups: hydroxyl, amide, epoxide, ether, ester, urethane, urea, primary, secondary and tertiary amine and ether groups, and f) from 0.1 to 5% by weight of a copolymerizable benzo- phenone derivative or acetophenone derivative, the sum of the percentages by weight X (= a + b + c + d + f) being 100 in each case.
Aydin Oral
Boettcher Andreas
Nestler Gerhard
Pfoehler Peter
Rehmer Gerd
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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