Verfahren zur Herstellung von Urethangruppen enthaltenden Hartschaumstoffen
摘要
The invention relates to the preparation of rigid foamed materials containing urethane groups using a mixture of blowing agents of 5 to 50 parts by weight of C3- and/or C4-alkanes and 50 to 95 parts by weight of cyclopentane. The invention also relates to the use of the rigid foamed materials thus prepared as composite elements or for filling hollow spaces during the construction of refrigerators.
申请公布号
DE19546461(A1)
申请公布日期
1997.06.19
申请号
DE19951046461
申请日期
1995.12.13
申请人
BAYER AG, 51373 LEVERKUSEN, DE
发明人
DIETRICH, KARL WERNER, DR., 51519 ODENTHAL, DE;EISEN, NORBERT, DR., 50937 KOELN, DE;HEILIG, GERHARD, DR., 51467 BERGISCH GLADBACH, DE
