USE OF POLYOL MIXTURES IN RIGID AND SEMI-RIGID POLYURETHANE FOAMS
摘要
The present invention relates to a mixture of polyols for use in the preparation of polyurethane foam comprising: (i) 80-99 % by weight of at least one polyether polyol and/or at least one polyester polyol; and (ii) 1-20 % by weight of at least one polyolefin polyol. The invention further relates to a process for preparing polyurethane foams, using the said mixture of polyols; to polyurethane foams obtainable by such process; and to articles and composites containing the said polyurethane foams.
申请公布号
EP0961796(A1)
申请公布日期
1999.12.08
申请号
EP19980905386
申请日期
1998.01.29
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
DIRCKX, VEERLE, MARIA, RAFAELA;GERARD, ERIC-JACK;VERMEIRE, HANS, FERDINAND;SCHNEIDER, JURGEN, KLAUS, LEOPOLD