C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/06 (2006.01) C08G 18/28 (2006.01) C08J 9/14 (2006.01) C09K 3/00 (2006.01)
Patent
CA 2648006
A resin blend composition is provided containing a polyol, an ethoxylate propoxylate surfactant initiated by a short chain compound, and a hydrocarbon blowing agent. The solubility and/or compatibility of the hydrocarbon carbon blowing agent in the polyol is increased and the phase stability of the resin blend composition is improved by the ethoxylate propoxylate surfactant. The resin blend is suitable for reaction with polyfunctional organic isocyanates to make cellular polyurethane and polyisocyanurate foams.
L'invention concerne une composition de mélange de résine contenant un polyol, un tensioactif à base d'éthoxylate propoxylate amorcé par un composé à chaîne courte et un agent gonflant hydrocarboné. La solubilité et/ou la compatibilité de l'agent gonflant hydrocarboné dans le polyol est accrue et la stabilité de phase de la composition de mélange de résine est améliorée par le tensioactif à base d'éthoxylate propoxylate. Le mélange de résine convient à des réactions avec des isocyanates organiques polyfonctionnels afin de fabriquer des mousses de polyisocyanurate et de polyuréthanne cellulaires.
Mbm Intellectual Property Law Llp
Stepan Company
LandOfFree
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