C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/14 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08L 75/06 (2006.01)
Patent
CA 2688087
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 contient du cis-1,1,1,4,4,4-hexafluoro-2-butène et un composé peu compatible contenant de l'hydrogène actif qui possède deux ou plusieurs hydrogènes actifs. L'invention concerne également une mousse polymère de polyuréthane ou de polyisocyanurate à cellules fermées préparée à partir de la réaction de quantités efficaces de la composition moussante et d'un polyisocyanate adéquat. L'invention concerne aussi un procédé destiné à produire une mousse polymère de polyuréthane ou de polyisocyanurate à cellules fermées en faisant réagir une quantité efficace de la composition moussante avec un polyisocyanate adéquat.
Creazzo Joseph Anthony
Loh Gary
E.i. Dupont de Nemours And Company
Torys Llp
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