MICROSPHERE-DISPERSED WATERBORNE POLYURETHANE INCLUDING A MICROSPHER WITH THE EXCELLENT CUSHION EFFECT, AND A MANUFACTURING METHOD THEREOF

摘要

PURPOSE: Microsphere-dispersed waterborne polyurethane, and a manufacturing method thereof are provided to uniformly distribute the cell size, and to secure the smooth surface of the polyurethane.;CONSTITUTION: A manufacturing method of microsphere-dispersed waterborne polyurethane comprises the following steps: forming a prepolymer by reacting polyol, diisocyanate, and an ionomer; neutralizing the prepolymer; emulsifying the neutralized prepolymer; chain extending the emulsified prepolymer; and adding a microsphere and dispersing.;COPYRIGHT KIPO 2011