RESIN PARTICLES AND PROCESS FOR PRODUCING SAME, ANTIGLARE FILM, LIGHT-DIFFUSING RESIN COMPOSITION, AND EXTERNAL PREPARATION

摘要

A process for producing resin particles which comprises: a step in which a polymerizable mixture comprising a polymerization initiator and at least one polymerizable monomer comprising a styrene monomer and/or a (meth)acrylic monomer is absorbed into seed particles in an aqueous medium, without using a dispersant, in the presence of an anionic surfactant having no polyoxyethylene chain but having an alkyl group; and a step in which the polymerizable monomer is polymerized in an aqueous medium, without using a dispersant, in the presence of an anionic surfactant having a polyoxyethylene chain to thereby obtain resin particles. The resin particles comprise a resin derived from at least one polymerizable monomer comprising a styrene monomer and/or a (meth)acrylic monomer, wherein at least 85% by number of the resin particles are accounted for by particles having a particle diameter in the range of 80-120% of the volume-average particle diameter and the resin particles after having been heated in a 150ºC thermostatic chamber for 2 hours have a value of b*, as measured with a color and color-difference meter, in the range of -1.0 to +2.0.