C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/14 (2006.01) C08G 18/48 (2006.01)
Patent
CA 2705271
A foam-forming composition is disclosed which includes both cis-1,1,1,4,4,4- hexafluoro-2-butene and a poorly compatible active hydrogen-containing compound having two or more active hydrogens. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of effective amounts of the foam-forming composition and a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate.
L'invention concerne une composition moussante qui inclut à la fois du cis-1,1,1,4,4,4-hexafluoro-2-butène et un composé contenant deux hydrogènes actifs ou plus de compatibilité médiocre. L'invention concerne également une mousse polymère de polyuréthanne ou de polyisocyanurate à cellules fermées, préparée par réaction de quantités efficaces de la composition moussante et d'un polyisocyanate approprié. L'invention concerne également un procédé de fabrication d'une mousse polymère de polyuréthanne ou de polyisocyanurate à cellules fermées, par réaction d'une quantité efficace de la composition moussante avec un polyisocyanate approprié.
Creazzo Joseph Anthony
Loh Gary
E. I. Du Pont de Nemours And Company
Torys Llp
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