Isocyanurate foam catalyst

Details Isocyanurate foam catalyst Isocyanurate foam catalyst

C - Chemistry, Metallurgy

08

G

403/13, 260/520.

C08G 18/18 (2006.01) C07D 295/14 (2006.01) C08G 18/20 (2006.01) C08G 18/22 (2006.01)

Patent

CA 1088534

ABSTRACT OF THE DISCLOSURE New catalysts for isocyanurate foams are those comprising aminomethacrylate salts. The foams are obtained by the polymerization of an aromatic polyisocyanate, and a polyether or polyester polyol in the presence of a blowing agent and said amino methacrylate salts falling within the following structural formula: Image where the radicals represented by R when taken singly are lower alkyl, and hydroxy lower alkyl, and when taken together with the adjacent nitrogen atom are selected from the group consisting of morpholino, C-substituted morpholino, N-alkylpiperazino and C-substituted N-alkylpiperazino, and M is selected from the group consisting of sodium, potassium, cesium, lithium and rubidium. the novel foams are useful in preparing rigid, flexible, semi-rigid, or semi-flexible materials such as panels, slabs or sprayed foam surfaces. -I-

267116

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