Patent ID: 9127135
Filing Date: 2015-09-08
Classification: C08F,C08J

Abstract:
1. Expanded composite polystyrene-based resin particles having a plurality of cells and cell membranes separating the plurality of cells, said cell membranes including a polystyrene-based resin forming a continuous phase and polyacrylic acid alkyl ester-based resin fine particles dispersed in said continuous phase to form a dispersed phase, and said polystyrene-based resin being complexed with said polyacrylic acid alkyl ester-based resin fine particles, wherein said dispersed phase is present in a form of a plurality of layers in a cell membrane thickness direction in a cell membrane cross-section of said expanded composite polystyrene-based resin particles, and wherein said expanded composite polystyrene-based resin particles further comprise a component derived from a polybutadiene-terminated acrylate, wherein said polybutadiene-terminated acrylate is a monomer having polybutadiene molecules containing