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8698654 
Journal Article 
Study on synthesis of hydrophobically associated cationic starch 
Liu, XY; Xu, XJ; Yang, YM 
2006 
26 
2 
87-92 
English 
Hydrophobically associated cationic starch(HACS) was synthesized by inverse suspension polymerization, in which the continuous phase was cyclohexane, dispersant was Span 80-Tween 80 and initiator was redox initiator. Effects of dispersant, reaction temperature and time on soluble properties and the grafting properties were discussed. The grafted product was characterized with IR and X-ray diffraction. The experiment results showed that copolymerization can be proceeded rapidly at low temperature, and the optimum reaction conditions were as follows; ratio of m(St):m(AM):m(DMDACC):m(OA) 4:7.4:1.5:0.6, content of initiator 3.1 mmol/L, grafting temperature 30°C, reaction time 3 h. The monomer conversion is 92.6%, the grafting rate is 53.8% and the viscosity-average relative molecular weight (Mv) is 3.26 × 106. 
Graft copolymerization; Hydrophobically associated cationic starch; Inverse suspension polymerization