Compositions and use of cis-1,1,1,4,4,4-hexafluoro-2-butene foam-forming composition in the preparation of polyisocyanate-based forms
AssigneeE. I. Du Pont de Nemours and Company
InventorsGary Loh, Joseph Anthony Creazzo
Life of this patent
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Abstract
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.
Claims6
A foam-forming composition comprising cis-1,1,1,4,4,4-hexafluoro-2-butene and a poorly compatible active hydrogen-containing compound having two or more active hydrogens, wherein said poorly compatible active hydrogen-containing compound having two or more active hydrogens is a polyether polyol and a highly compatible active hydrogen-containing compound having two or more active hydrogens.
Dependencies are inferred from the claim text.