| 摘要 |
A liquid resin having a number average molecular weight of 10,000 to 200,000 and a viscosity, measured at 50 DEG C., of 500 to 30,000 cps, obtained by the copolymerization of a composition containing (a) 35 to 98% by weight of a monomer of the formula, CH2=C(R1)COOR2 wherein R1 is hydrogen or methyl and R2 is a hydrocarbon group having 4 to 22 carbon atoms, (b) 2 to 40% by weight of a polymerizable unsaturated carboxylic acid, and (c) 0 to 60% by weight of other polymerizable vinyl monomer.
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