2002•Journal of Sichuan UniversityRequires access

Syntheses and Flocculation Properties of Graft Copolymer of Acrylamide

Dang Ya

Abstract

Graft copolymer of starch with acrylamide was synthesized and its flocculating ability in wet phosphate acid was studied. The product has ideal flocculating efficiency less influence of pH and tempereture and its proper dosage is 4 mg/kg in treating wet phosphate acid, when the raw material is corn starch, weight rate of acrylamide to corn starch is 2.7∶1 and the concentration of initiator is 1×10 -3 mol/L.

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Key concepts: Acrylamide, Flocculation, Copolymer, Starch, Corn starch, Chemistry, Raw material, Phosphate