Process for producing spherical particles of crystalline...

Details Process for producing spherical particles of crystalline... Process for producing spherical particles of crystalline...

C - Chemistry, Metallurgy

08

J

402/187, 402/245

C08J 3/12 (2006.01) C08J 3/11 (2006.01) C08J 3/16 (2006.01)

Patent

CA 1151344

Abstract of the Disclosure A process for producing uniformly small spherical par- ticles of crystalline, normally solid condensation polymers is described. The process of this invention further provides high yields of hydrophobic, non-agglomerating particles in a useful size range directly, without the need for subsequent processing, and is carried out by forming a dispersion of small liquid particles of the crystalline polymer in certain aprotic liquids containing 0.1 to 20% by weight of the poly- mer of an acid-modified polymer of propylene in a specified manner, cooling the dispersion with agitation until the liquid particles solidify and recovering the particles.

363527

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