C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/14 (2006.01) B32B 5/18 (2006.01) B32B 27/40 (2006.01) C08G 18/42 (2006.01)
Patent
CA 2218819
24 ABSTRACT A closed cell, rigid, isocyanate-based polymer foam which comprises the reactionproduct of a polyisocyanate and a polyester polyol or a mixture of a polyester polyol and at least one other isocyanate-reactive compound in the presence of a blowing agent comprising a hydrofluorocarbon having 3 to 7 carbon atoms and no chlorine atom or a mixture of the hydrofluorocarbon and at least one co-blowing agent.
Mousse polymérique rigide à alvéoles fermés à base d'isocyanate qui comprend le produit de réaction d'un polyisocyanate et d'un polyol de polyester ou d'un mélange d'un polyol de polyester et d'au moins un autre composé réactif avec l'isocyanate en présence d'un agent gonflant comprenant un hydrocarbure fluoré de 3 à 7 atomes de carbone et aucun atome de chlore ou un mélange de l'hydrocarbure fluoré et d'au moins un co-agent gonflant.
Londrigan Michael Edward
Monda Perry Franklin
Borden Ladner Gervais Llp
The Celotex Corporation
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