Glycol compositions containing a phosphorous-modified silane

Details Glycol compositions containing a phosphorous-modified silane Glycol compositions containing a phosphorous-modified silane

C - Chemistry, Metallurgy

09

K

31/38

C09K 5/00 (2006.01)

Patent

CA 1170823

ABSTRACT OF THE DISCLOSURE Glycol concentrates containing alkali metal silicates are rendered gellation resistant by the addition of phosphonates having one of the formulas, (I) (RO)3-m(R')msi-R2-O-P(O)(OR3)(R4), (II) [(RO)3 m(R')mSi-R2-O]2P(O)(R4), or (III) mixtures of I and II, wherein m is 0-2 R, R3, R4 are alkyl groups of 1-4 carbons, R' is an alkyl group of 1-4 carbons, phenyl, and aralkyl group of 7-10 carbons, and R2 is an alkylene group of 1-4 carbons. 29,408-F

416421

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