| 摘要 |
Dicarboxy functionalized polyorganosiloxanes having the formulaX(R<4>R<5>Si O)p(R<6>A Si O)q Y (I)wherein the X end group represents a triorganosiloxyl end group of formula R<1>R<2>R<3>Si O, or a Z end group, wherein Z represents -OH the Y end group represents a triorganosilyl end group of formula Si R<3>R<2>R<1>, or a W end group, wherein W represents -H R<1 >to R<6 >represent a C1-C8 alkyl or phenyl radical, preferably methyl A represents the dicarboxy radical of formula (I') or salts thereof-(CH2)3-CH(COOH)-CH2COOH (I')p is an average value ranging from 0 to 1000 q is an average value ranging from 1 to 100 the ratio of the number of Z and W end groups to the total number of X and Y end groups being from 0/100 to 75/100. They can be used for the water repellent treatment of surfaces, particularly inorganic surfaces or surfaces containing alkaline or earth-alkaline metal, and as anti-corrosion additives for the treatment of metal surfaces.
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