abstract |
According to the present invention, (i) the (meth) acrylic acid ester polymer (A1) having a glass transition temperature of 0 ° C. or lower is contained, the acetone soluble content of the polymer powder is 5% by mass or more, and acetone is acceptable. The polymer powder (P1) having a mass average molecular weight of not less than 100,000 and (ii) an acetone soluble content of not less than 2 mass% and not more than 35 mass%, and a mass average molecular weight of acetone soluble content of 10 A polymer powder (P) selected from the group consisting of polymer powders (P2) having a volume average primary particle diameter (Dv) of 200 nm or more is submitted. |