Dispersant

Details Dispersant Dispersant

C - Chemistry, Metallurgy

08

F

C08F 112/14 (2006.01) B01F 17/52 (2006.01) C04B 24/16 (2006.01) C08F 8/00 (2006.01) C08F 212/12 (2006.01) C08L 81/08 (2006.01) C10L 1/32 (2006.01)

Patent

CA 2044677

A dispersant comprises a polystyrenesulfonic acid having a weight-average molecular weight in the range of 2,000 to 100,000 or a salt thereof, wherein at least 70 % of the terminals of the polymer chain have an indane ring of the formula (I): Image ...(I) wherein X represents a cation selected from the group consisting of a hydrogen, alkali metals, alkaline earth metals, ammonium and organic amines, and n and m each represent 0 or an integer of at least 1. The dispersant has excellent properties of dispersing organic and inorganic substances and an effect of remarkably improving the stability of a dispersion system such as a coal/water slurry.

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