A process for conditioning and stabilizing polyols

Details A process for conditioning and stabilizing polyols A process for conditioning and stabilizing polyols

C - Chemistry, Metallurgy

07

C

C07C 43/11 (2006.01) C07C 41/58 (2006.01) C07C 67/62 (2006.01) C07C 69/44 (2006.01) C08G 18/06 (2006.01) C08G 18/08 (2006.01) C08G 18/28 (2006.01) C08G 65/333 (2006.01) C08J 9/12 (2006.01) C08K 5/54 (2006.01) C08L 71/02 (2006.01)

Patent

CA 2111286

A PROCESS FOR CONDITIONING AND STABILIZING POLYOLS ABSTRACT OF THE DISCLOSURE Polyols are conditioned and stabilized by mixing them at 0 to 150°C with from about 0.0001 to about 1% by weight, based on the quantity of polyol, of a silylated acid corresponding to the formula: X-[Si(CH3)3]n in which X represents a neutral acid residue obtained by removal of the acidic hydrogen atoms from an n-basic acid having a maximum pKa value of 3, provided that the n-basic acid is not a hydrohalic acid and n represents an integer of from 1 to 3. The resultant polyol is characterized by good color and activity properties. The stabilized polyols are particularly useful in the production of polyurethanes, particularly polyurethane foams.

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