公开(公告)号：HU9403461D0

公开(公告)日：1995-03-28

申请号：HU9403461

申请日：1993-05-26

Applicant: BASF AG

Inventor： ALICKE GERHARD ,  WEILBACHER MANFRED ,  WOLFF BERNARDO ,  HEINEN HARTMUT ,  DIETZEN FRANZ-JOSEF ,  WEBER REINHOLD ,  HAHN MANFRED

IPC: C08J9/12 ,  C08J9/14

Abstract: PCT No. PCT/EP93/01320 Sec. 371 Date Nov. 22, 1994 Sec. 102(e) Date Nov. 22, 1994 PCT Filed May 26, 1993 PCT Pub. No. WO93/24560 PCT Pub. Date Dec. 9, 1993.Process for the production of foam boards having a minimum thickness of 20 mm and a cross-sectional area of at least 50 cm2 by extruding a mixture of the styrene polymer, from 1 to 10% by weight, based on the styrene polymer, of a blowing agent, wherein the blowing agent contains at least one ether from the group consisting of dimethyl ether, methyl ethyl ether and methyl vinyl ether.

公开(公告)号：CA2003966A1

公开(公告)日：1990-06-23

申请号：CA2003966

申请日：1989-11-27

Applicant: BASF AG

Inventor： WEBER REINHOLD ,  HAHN KLAUS ,  GUHR UWE ,  DE GRAVE ISIDOOR ,  NAARMANN HERBERT ,  ALICKE GERHARD ,  WEILBACHER MANFRED

IPC: B29C47/00 ,  B29K25/00 ,  B29L7/00 ,  C08J9/14 ,  C08K5/01 ,  C08K5/02 ,  C08J9/00

Abstract: Extruded styrene polymer foam sheets having a density of from 20 to 60 kg/m3 and containing from 0.05 to 0.5% by weight of 2,3-diphenyl-2,3-dimethylbutane are distinguished by increased compressive strength and greater heat distortion resistance.