摘要 |
<p>A process for spherical-polymer-powder production by which polymer particles which are nearly spherical, small in particle diameter, and suitable for use as a molding material can be easily obtained. The spherical polymer powder has excellent powder flowability, is safe, and can form, e.g., a high-quality molding, skin material, or coating film which is excellent in weatherability, flexibility, rubber elasticity, low-temperature characteristics, adhesion to polar resins, texture, appearance, etc. The process for spherical-polymer-powder production is characterized by comprising a step in which an aqueous dispersion comprising a solvent solution of a polymer, water, and a dispersant is heated with stirring under such conditions that the power per unit volume of the dispersion, P/V, is 0.2 kW/m<SUP>3</SUP> or more to remove the solvent from the aqueous dispersion.</p> |
申请人 |
KANEKA CORPORATION;KYOTANI, SUSUMU;FURUKAWA, NAOKI;CHIBA, TAKESHI |
发明人 |
KYOTANI, SUSUMU;FURUKAWA, NAOKI;CHIBA, TAKESHI |