| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a thermoplastic polyurethane resin (particle) having a particle size distribution suitable for application, and obtaining resin powder of sufficient powder flowability, without being classified. <P>SOLUTION: This method for producing the resin particle is constituted to obtains the resin particle (E) containing a thermoplastic polyurethane resin (D), by reacting an isocyanate-terminated urethane prepolymer (B) with a ketimine compound (C), in water containing a dispersant (A) expressed by general formula (1) having 60-120°C of cloud point, where a+c is an integer of 4-1,000, b is an integer of 2-500, and a+c>b is satisfied. <P>COPYRIGHT: (C)2011,JPO&INPIT |
