| 摘要 |
PURPOSE:To obtain the titled powder having fluidity, etc., made into uniform, fine spherules, by adding polyamide to a polyhydric alcoholic solvent containing a specific amount of hydroxyethyl cellulose, blending them at a temperature >=the melting point of the polyamide and separating the solvent after cooling. CONSTITUTION:Polyamide is added to a polyhydric alcoholic solvent (e.g., ethylene glycol, etc.,) containing 1-8wt%, preferably 2.0-5.0wt% hydroxyethyl cellulose (preferably ratio of 50-99wt% solvent and 50-1wt% polyamide), blended at a temperature >= the melting point of the polyamide, cooled, the molten polyamide is solidified and separated from the solvent, to give the aimed powder. USE:A raw material for powder coating, adsorbent, etc. |
