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公开(公告)号：NO980736A
公开(公告)日：1998-02-20
申请号：NO980736
申请日：1998-02-20
Applicant: BASF AG
Inventor： LAY PETER NICOLAUS , RUECK SWEN , SCHIESSL MICHAEL , WITT MICHAEL , ZETTLER HANS DIETER , BAUMGAERTEL MICHAEL , DEMBEK GERHARD , HAHN KLAUS , HOLOCK JAN , HUSEMANN WOLFRAM , KAEMPFER KNUT
CPC classification number: C08F12/08
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公开(公告)号：NO980736D0
公开(公告)日：1998-02-20
申请号：NO980736
申请日：1998-02-20
Applicant: BASF AG
Inventor： LAY PETER NICOLAUS , RUECK SWEN , SCHIESSL MICHAEL , WITT MICHAEL , ZETTLER HANS DIETER , BAUMGAERTEL MICHAEL , DEMBEK GERHARD , HAHN KLAUS , HOLOCK JAN , HUSEMANN WOLFRAM , KAEMPFER KNUT
Abstract: PCT No. PCT/EP96/03633 Sec. 371 Date Jan. 29, 1998 Sec. 102(e) Date Jan. 29, 1998 PCT Filed Aug. 19, 1996 PCT Pub. No. WO97/08231 PCT Pub. Date Mar. 6, 1997A continuous process for preparing bead-form expandable styrene polymers in which the styrene is prepolymerized in bulk to a conversion of 10 to 80%, the prepolymer is dispersed in liquid form in an aqueous phase in the presence of suspension stabilizers, and the polymerization of the prepolymer is completed in an aqueous suspension to a residual styrene content of less than 2000 ppm.
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公开(公告)号：NO980736L
公开(公告)日：1998-02-20
申请号：NO980736
申请日：1998-02-20
Applicant: BASF AG
Inventor： LAY PETER NICOLAUS , RUECK SWEN , SCHIESSL MICHAEL , WITT MICHAEL , ZETTLER HANS DIETER , BAUMGAERTEL MICHAEL , DEMBEK GERHARD , HAHN KLAUS , HOLOCK JAN , HUSEMANN WOLFRAM , KAEMPFER KNUT
Abstract: PCT No. PCT/EP96/03633 Sec. 371 Date Jan. 29, 1998 Sec. 102(e) Date Jan. 29, 1998 PCT Filed Aug. 19, 1996 PCT Pub. No. WO97/08231 PCT Pub. Date Mar. 6, 1997A continuous process for preparing bead-form expandable styrene polymers in which the styrene is prepolymerized in bulk to a conversion of 10 to 80%, the prepolymer is dispersed in liquid form in an aqueous phase in the presence of suspension stabilizers, and the polymerization of the prepolymer is completed in an aqueous suspension to a residual styrene content of less than 2000 ppm.
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