Phosphoric esters as emulsifiers and dispersants

Details Phosphoric esters as emulsifiers and dispersants Phosphoric esters as emulsifiers and dispersants

C - Chemistry, Metallurgy

08

G

C08G 65/327 (2006.01) C09B 67/46 (2006.01) C09D 5/02 (2006.01) C09D 11/10 (2006.01) C09D 17/00 (2006.01) C11D 1/34 (2006.01) C11D 1/78 (2006.01)

Patent

CA 2350765

The invention relates to the use of particular phosphoric esters as emulsifiers and dispersants for pigments and fillers, based on polystyrene-block (b)-polyalkylene oxide copolymers. The invention provides block copolymeric phosphoric esters and their salts of the general formula (I) (See formula I) where R1 - a straight-chain or branched or cycloaliphatic radical having 1 to 22 carbon atoms, SO = styrene oxide, EO = ethylene oxide, BO = butylene oxide and a = 1 to < 2, b = 3 to 100, c = 0 t0 10, d = 0 to 3, where b ~ a+c+d.

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