JP2014080586A5 - - Google Patents

Claims (10)

  Resin (A1) containing resin (a1) and resin particles (A2) containing crystalline resin (a2) are dispersed in an aqueous dispersion (W) in an aqueous medium. An oily liquid (O) containing at least one selected from the precursors (b) and (b) and their organic solvent solution is dispersed, and (b0) or the organic solvent solution thereof is used. In this case, (b) is further generated from (b0), and the resin particles (B) containing (b) are formed in (W), whereby (A1) is formed on the surface of (B). Is a method for producing resin particles (C) having a structure containing (A2) inside (B), wherein the acid value of (a1) is 10 to 300 mgKOH / g, and the acid value of (a2) Is 0 to 50 mgKOH / g, and [acid value of (a2) / acid value of (a1)] is 0 to 1. Method for producing a fat particles (C).   (O) contains an organic acid (c1) having a weight average molecular weight of 1,000 or less and a tertiary amine (c2) having a weight average molecular weight of 1,000 or less, and the acid value of (O) is 1 to 50 mgKOH / G, the total amine value is 1 to 50 mgKOH / g, the absolute value of the difference between the acid value of (O) and the total amine value is 20 or less, and [the acid value of (O) / The method for producing resin particles (C) according to claim 1, wherein the amine value] is 0.1 to 7.   The method for producing resin particles (C) according to claim 1 or 2, wherein (a1) is at least one resin selected from the group consisting of vinyl resins, polyester resins, polyurethane resins and epoxy resins.   (A2) is 1 or more types of resin chosen from the group which consists of crystalline vinyl resin, crystalline polyester resin, and crystalline polyurethane resin, The manufacture of the resin particle (C) in any one of Claims 1-3 Method.   (B) is 1 or more types of resin chosen from the group which consists of a vinyl resin, a polyester resin, a polyurethane resin, and an epoxy resin, The manufacturing method of the resin particle (C) in any one of Claims 1-4.   Based on the weight of (C), the content of (A1) is 0.1 to 50% by weight, the content of (A2) is 0.1 to 50% by weight, and the content of (B) is 50 to 99.9%. The method for producing resin particles (C) according to any one of claims 1 to 5.   The [volume average particle diameter / number average particle diameter] of (C) is 1.0 to 1.5. The method for producing resin particles (C) according to any one of claims 1 to 6.   (B0) consists of the prepolymer ((alpha)) which has a reactive group, and a hardening | curing agent ((beta)), The manufacturing method of the resin particle (C) in any one of Claims 1-7.   9. (α) has at least one reactive group selected from the group consisting of an isocyanate group, a blocked isocyanate group and an epoxy group, and (β) is an active hydrogen group-containing compound (β1). The manufacturing method of the resin particle (C) of description.   Furthermore, the manufacturing method of the resin particle (C) in any one of Claims 1-9 including the process of removing an organic solvent as needed with an aqueous medium.