Miscible fluorocarbon-polyol blends

Details Miscible fluorocarbon-polyol blends Miscible fluorocarbon-polyol blends

C - Chemistry, Metallurgy

08

G

400/107, 403/13

C08G 18/08 (2006.01) C08G 18/28 (2006.01) C08G 18/38 (2006.01) C08G 18/40 (2006.01) C08G 18/50 (2006.01) C08G 18/66 (2006.01) C09K 3/00 (2006.01)

Patent

CA 1140695

ABSTRACT OF THE DISCLOSURE Disclosed are novel polyol blends comprising from about 20 percent to about 85 percent by weight of said blend of a member or mixture of members selected from particular types of amine diols (I), amide diols (II), and amine triols (III), and from about 15 percent to about 80 percent by weight of a primary hydroxyl polyol (IV) characterized by a molecular weight of from about 60 to about 1000. The polyol blends are miscible with fluorocarbon blowing agents and water and other adjuvants including trimerization catalysts. The novel blends are particularly useful in an improved process for the preparation of polyisocyanurate foams. The foams are characterized by high reaction exotherma making such foams particularly suited to the preparation of polyisocyanurate foam laminates.

351733

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