DISPERSION STABILIZER FOR HIGHLY CONCENTRATED COAL-WATER SLURRY

摘要

PURPOSE:The titled dispersion stabilizer having low viscosity and fluidity, containing a copolymer obtained from a styrenesulfonate, styrene and a (meth) acrylic acid ester of polyoxyalkylene alkyl ether. CONSTITUTION:The aimed dispersion stabilizer containing a copolymer consisting of (A) an alkali metallic salt or an amine salt of styrenesulfonate, (B) styrene and (C) (meth)acrylic acid ester of polyoxyalkylene alkyl ether as constituent units in a molar ratio of the component A:B:C=1:0.2-1.5:0.02-0.85. EFFECT:Having improved storage stability.