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公开(公告)号：DE19519336A1
公开(公告)日：1996-11-28
申请号：DE19519336
申请日：1995-05-26
Applicant: BASF AG
Inventor： KOEGEL WOLFRAM , ISIDOOR GRAVE DE DR , HAHN KLAUS DR , FISCHER JOACHIM DR
Abstract: The invention concerns a process for preparing expanded polyolefin particles by impregnation under pressure of polyolefin granulates with a volatile expanding agent in suspension and subsequent relaxation, ammonia being used as the expanding agent.
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