Graft copolymer and preparation thereof

C - Chemistry – Metallurgy – 08 – F

Patent

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400/3072

C08F 271/00 (2006.01) C08F 8/06 (2006.01) C08F 8/30 (2006.01) C08F 279/02 (2006.01) C08F 291/00 (2006.01)

Patent

CA 2011539

- 33 - O.Z. 0050/40679 Abstract of the Disclosure: A graft (co)polymer comprises at least one unit of the general structure Image or Image where [M]x is a polymeric side chain formed by free radical homopolymerization or copolymerization from x monomer units, x is from 10 to 100,000, E and A are each copolymerized linear segments of a chain molecule, and m and p are each at least 1 and together more than 100 (denoting the degree of polymerization), the substituents R1, R2 and R3 each being alkyl, aryl or hetaryl or equi- valents thereof and R2 and R3 being identical to or different from each other, is obtained by addition of a 4-substituted 1,2,4-triazoline-3,5-dione or an azodicar- boxylic ester to a linear chain molecule segment having an allylic CH group or mobile protons.

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