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1.发明公开VERFAHREN ZUR HERSTELLUNG VON EXPANDIERBAREN THERMOPLASTISCHEN PARTIKELN DURCH NACHIMPRÄGNIERUNG 审中-公开用于生产膨胀的热塑性颗粒BY afterimpregnation
公开(公告)号：EP2638103A1
公开(公告)日：2013-09-18
申请号：EP11779437.0
申请日：2011-11-08
Applicant: BASF SE
Inventor： SCHIPS, Carsten , RUCKDÄSCHEL, Holger , DAHL, Franz , HAHN, Klaus , STÄNGLE, Michael , SCHMIED, Bernhard , RUCH, Joachim
CPC classification number: C08J9/228 , B29C44/3461 , C08J9/0061 , C08J9/141 , C08J9/18 , C08J2203/14 , C08J2325/04 , C08J2423/00
Abstract: The invention relates to a method for producing expandable thermoplastic polymer particles by post-impregnating thermoplastic polymer particles that contain at least one styrene polymer and at least one polyolefin, using a blowing agent. Said post-impregnation is predominantly carried out in the gas phase.
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