Patent Number: 6,310,109

Title: Process for the preparation of polymer particles

Abstract: The invention relates to a process for preparing styrene polymers comprising water as sole blowing agent, by polymerizing styrene in aqueous suspension. The polymerization is carried out in the presence of from 5 to 30% by weight of recycled EPS material dissolved in styrene and comprising customary coating agents deriving from production of the EPS.

Inventors: Gluck; Guiscard (Mainz, DE), Hahn; Klaus (Kirchheim, DE), Gellert; Roland (Neustadt, DE)

Assignee: BASF Aktiengesellschaft

International Classification: C08F 12/00 (20060101); C08J 9/00 (20060101); C08F 12/08 (20060101); C08F 257/00 (20060101); C08J 9/20 (20060101); C08F 257/02 (20060101); C08J 009/20 ()

Expiration Date: 10/30/2018