公开(公告)号：DE3131446A1

公开(公告)日：1983-02-24

申请号：DE3131446

申请日：1981-08-07

Applicant: BASF AG

Inventor： HAHN KLAUS DIPL CHEM DR ,  WEBER HEINZ DIPL CHEM DR ,  GUENTHER WOLFGANG DIPL CHEM DR ,  SCHILLINGER BERNHARD DIPL ING ,  WEBER REINHOLD DIPL ING ,  FRIED MICHAEL DIPL CHEM DR ,  WEILBACHER MANFRED DIPL CHEM D ,  ZUERN LUDWIG DIPL CHEM DR

IPC: C08J9/00 ,  C08J9/14 ,  C08K3/18 ,  C08K5/09 ,  C08L25/06 ,  B29D27/00

公开(公告)号：DE4138388A1

公开(公告)日：1993-05-27

申请号：DE4138388

申请日：1991-11-22

Applicant: BASF AG

Inventor： VOELKER HEINZ DR ,  ALICKE GERHARD DIPL ING ,  WEILBACHER MANFRED DR ,  WEBER REINHOLD DIPL ING ,  SCHUCH HORST DR

IPC: C08J9/12 ,  C08J9/14

Abstract: Foam sheets of high compressive strength are produced by extrusion of a mixture of a styrene polymer and 5 to 16% by weight of a blowing agent mixture which contains a) from 3 to 70% by weight of an alcohol or ketone having a boiling point of between 56 and 100 DEG C b) from 0 to 50% by weight of carbon dioxide, c) from 0 to 88% by weight of a saturated C3- to C5-hydrocarbon, and d) from 2 to 90% by weight of at least one fluorinated hydrocarbon which boils at between -30 DEG and +30 DEG C. p