S-triazine-radical-containing polyether polyol mixtures,...

Details S-triazine-radical-containing polyether polyol mixtures,... S-triazine-radical-containing polyether polyol mixtures,...

C - Chemistry, Metallurgy

07

D

400/107, 403/13,

C07D 251/70 (2006.01) C08G 18/50 (2006.01) C08G 65/26 (2006.01)

Patent

CA 1250289

S-TRIAZINE-RADICAL-CONTAINING POLYETHER POLYOL MIXTURES, PROCESS FOR THEIR PREPARATION AND THEIR USE Abstract of the Disclosure The invention relates to s-triazine radical- containing polyether polyol mixtures having functionalities of from 2 to 6 and hydroxyl numbers of from 210 to 640, prepared by the oxyalkylation of a mixture of one or more polyamino-1,3,5-triazines, preferably melamine, and an alkanol having a hydroxyl functionality of from 2 to 6 and having 2 to 18 carbon atoms, water, or their mixtures in the absence of catalysts and conventional inert polar solvents. The resulting polyether polyol mixtures are suitable for the preparation of rigid polyurethane, poly- isocyanurate, and urethane group-containing polyisocyanuate foams produced by means of the polyisocyanate polyaddition process.

477958

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