C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/40 (2006.01) C08G 18/62 (2006.01) C08G 18/69 (2006.01)
Patent
CA 2278680
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.
L'invention concerne un mélange de polyols s'utilisant dans la préparation de mousses de polyuréthane, comprenant : (i) de 80 à 99 %, en poids d'au moins un polyol de polyéther et/ou au moins un polyol de polyester; et (ii) de 1 à 20 %, en poids d'au moins un polyol de polyoléfine. L'invention concerne également un procédé de préparation de mousses en polyuréthane au moyen du mélange considéré, des mousses en polyuréthane pouvant être obtenues à l'aide dudit procédé ainsi que des articles et composites renfermant lesdites mousses de polyuréthane.
Dirckx Veerle Maria Rafaela
Gerard Eric-Jack
Schneider Jurgen Klaus Leopold
Vermeire Hans Ferdinand
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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