METHOD OF DRYING RESIN GRANULAR POWDER

摘要

PROBLEM TO BE SOLVED: To provide a method of drying resin granular powder that can perform continuous processing with high processing efficiency but unlikely cause denaturalization or fixing of the resin granular powder.

SOLUTION: The method of drying resin granular powder includes the following steps of: a first step in which resin granular powder 201 having water content of 35 wt.% or less and average primary particle diameter of 0.1-500 μm held at 100°C or less is dispersed by a high-pressure gas at 20-80°C; and a second step in which the processed resin granular powder in the first step is introduced to a cyclone separator 103 while holding the resin granular powder at 20-80°C and the resin granular powder is dried by the cyclone separator.

COPYRIGHT: (C)2012,JPO&INPIT