Patent ID: 9512321
Filing Date: 2016-12-06
CPC Classification: C08F,C09B,C09C,C09D

Claim Text:
1. An alkoxysilyl-containing A-B block copolymer formed from (meth)acrylate monomers as constituent monomers, the A-B block copolymer consisting of, as blocks of the copolymer: a polymer block of A chain that consists of monomers selected from the group consisting of aliphatic (meth)acrylate, alicyclic (meth)acrylate, aromatic alkyl (meth)acrylate, and mixtures thereof and has a number average molecular weight (Mn) from 1,000 to 50,000 and a molecular weight distribution (Mw/Mn) of not greater than 1.6, and a polymer block of B chain that comprises alkoxysilyl-containing (meth)acrylate units as constituent monomer units and has a number average molecular weight (Mn) of not higher than 5,000, wherein the alkoxysilyl-containing (meth)acrylate units as the constituent monomer units for the polymer block of B chain are at least one selected from the group consisting of 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-methacryloxypropylmethyldiethoxysilane, and 3-methacryloxypropyltriethoxysilane, and the A-B block copolymer as a whole has a molecular weight distribution of not greater than 1.6.