专利检索 ap:("Evonik Operations GmbH") AND inv:"Melanie Niepert" 第 1 页

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发明公开
PRODUCTION OF HIGH TEMPERATURE POLYMER BASED PELLETS BY UNDERWATER PELLETIZATION AT ELEVATED WATER TEMPERATURE TO PRODUCE (RIGID) BEAD FOAMS 审中-公开

公开(公告)号：US20230311365A1

公开(公告)日：2023-10-05

申请号：US18041771

申请日：2021-07-15

申请人： Evonik Operations GmbH

发明人： Christian Traßl , Melanie Niepert , Florian Hopf , Denis Holleyn , Mona Ganglauf

IPC分类号： B29B9/06 , C08J9/18 , C08J9/00 , C08J9/12

CPC分类号： B29B9/065 , C08J9/18 , C08J9/0066 , C08J9/125 , B29K2105/04

摘要： A process can be used for producing (rigid) particle foams from polymer compositions containing at least one polymer having a glass transition temperature according to ISO 11357-2 of at least 180° C. with an underwater pelletization system.