a process is provided for the formation of block copolymer particles having a reduced tendency to agglomerate which comprises extruding the block copolymer into a water bath in the presence of water-dispersible polyvalent metal salts of higher fatty acids and/or water-dispersible surfactants and forming nibs, pellets or strands in the bath. Suitable water soluble surfactants include anionic, cationic and non-ionic surfactants. Especially contemplated is the use of zinc stearate as the surfactant.

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4 codes

IPC · International Patent Classification

Section B — Performing operations; transporting

B29B9/06

USPC · US Patent Classification

264/140264/142264/178.F

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