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公开(公告)号:DE4308430A1
公开(公告)日:1994-09-22
申请号:DE4308430
申请日:1993-03-17
Applicant: BASF AG
Inventor: WITT MICHAEL DR , SCHERZER DIETRICH DR , HAHN KLAUS DR , HENN ROLF DR , BACK WOLF-DIETER DR
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公开(公告)号:DE58900766D1
公开(公告)日:1992-03-05
申请号:DE58900766
申请日:1989-12-19
Applicant: BASF AG
Inventor: HAHN KLAUS DR , GUHR UWE DR , NAARMANN HERBERT DR , RUPPERT GEORG , BACK WOLF-DIETER DR , DEMBEK GERHARD DR
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公开(公告)号:AT71876T
公开(公告)日:1992-02-15
申请号:AT89123419
申请日:1989-12-19
Applicant: BASF AG
Inventor: HAHN KLAUS DR , GUHR UWE DR , NAARMANN HERBERT DR , RUPPERT GEORG , BACK WOLF-DIETER DR , DEMBEK GERHARD DR
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公开(公告)号:DE3842305A1
公开(公告)日:1990-06-21
申请号:DE3842305
申请日:1988-12-16
Applicant: BASF AG
Inventor: HAHN KLAUS DR , GUHR UWE DR , GELLERT ROLAND DR , BACK WOLF-DIETER DR
Abstract: Polystyrene foam particles having a density of 10 to 30 kg/m are obtained when styrene polymers containing 0.7 to 3 mol/kg of a blowing agent mixture comprising 60 to 90 mol% of water and 10 to 40 mol% of a C4- to C5-hydrocarbon are foamed using microwaves.
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