abstract |
(57) [Summary] [Structure] A crosslinked polymer fine powder obtained by emulsion-polymerizing a methacrylic monomer into a resin syrup obtained by melting a methacrylic ester polymer in a methacrylic ester monomer is prepared. Used as a shrinkage agent and thickener. [Effect] Excellent in crack prevention effect, appearance characteristics, thickening stability and water resistance. |