2007•Journal of Xi'an Shiyou UniversityRequires access

Synthesis of starch-modified cationic polymer flocculant

Xinqiang Wang

Abstract

Using sweet potato starch as raw material,a kind of cationic polymer flocculant F4 is synthesized.And the factors of affecting the synthesis process are investigated.The results show:the optimal synthesis conditions of graft copolymer are starch of 5 g,initiation agent of 0.35 g,AM of 10 g,reaction temperature of 50 ℃ and reaction time of 3 h.The conditions of cationization are NaOH of 0.08 g,GTA of 3 g,reaction temperature of 70 ℃ and reaction time of 2 h.

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Key concepts: Cationic polymerization, Starch, Raw material, Flocculation, Copolymer, Polymer, Chemistry, Polymer chemistry