C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/14 (2006.01) C08G 18/42 (2006.01)
Patent
CA 2693203
A foam-forming composition is disclosed which includes both trans-1,1,1,4,4,4- hexafluoro-2-butene and an 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 comprising: reacting an effective amount of the foam-forming composition and a suitable polyisocyanate.
L'invention concerne une composition moussante qui contient du cis-1,1,1,4,4,4-hexafluoro-2-butène et un composé peu compatible contenant de l'hydrogène qui possède deux ou plusieurs hydrogènes actifs. L'invention concerne également une mousse polymère alvéolaire de polyuréthane ou de polyisocyanurate préparée à partir de la réaction de quantités efficaces de la composition moussante et d'un polyisocyanurate adéquat. L'invention concerne aussi un procédé destiné à produire une mousse polymère alvéolaire de polyuréthane ou de polyisocyanurate en faisant réagir une quantité efficace de la composition moussante avec un polyisocyanurate adéquat.
Creazzo Joseph Anthony
Loh Gary
E.i. Du Pont de Nemours And Company
Torys Llp
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