C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 409/38 (2006.01) C08F 210/02 (2006.01) C08F 218/04 (2006.01) C08F 220/10 (2006.01) C08F 261/06 (2006.01) C08F 293/00 (2006.01)
Patent
CA 2081621
GRAFT COPOLYMERS HAVING IMPROVED PHASE BINDING BETWEEN THE GRAFT BASE AND THE GRAFTED-ON POLYMER PHASE Abstract of the Disclosure Graft copolymers having improved phase binding between the graft base and the grafted-on polymer, are prepared from: a) a grafted-on polymer phase containing one or more monomers from the group consisting of (meth)acrylates of alcohols having 1 to 10 carbon atoms, vinyl esters of saturated aliphatic carboxylic acids having 2 to 10 carbon atoms, olefins, vinyl halides, styrene and styrene derivatives, and b) a peroxy group-containing copolymer phase containing from 0.01 to 20 % by weight of an olefinically unsaturated peroxy compound of the general formula I or II Image or Image where R1 is a chemical bond or a linear or branched alkyl chain having 1 to 10 carbon atoms or a cycloalkyl group having 3 to 10 carbon atoms, R2 and R are an alkyl group having 1 to 4 carbon atoms, R4 is an alkyl group or an alkyl-substituted phenyl group having 3 to 12 carbon atoms, and R5 is a cycloalkyl group having 3 to 12 carbon atoms, and from 80 to 99.9 % by weight of one or more comonomers from the group consisting of the (meth)acrylates of alcohols having 1 to 10 carbon atoms, vinyl esters of saturated aliphatic carboxylic acids having 2 to 10 carbon atoms, olefins, vinylaromatic compounds, vinyl halides and/or vinyl ethers. The graft copolymers are useful as binders in the textile industry as heat stable binders, as adhesives in plasters and as binders in emulsion paints. 26
Dobler Walter
Kohlhammer Klaus
Petersen Hermann
Gowling Lafleur Henderson Llp
Wacker Chemie Gmbh
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