Cationic copolymer acrylamide-dimethyldiallylammonium chloride [P(AM/DMDAAC)] was synthesized from acrylamide(AM)and dimethyldiallylammonium chloride(DMDAAC)by dispersion polymerization.The structures of polymers synt...Cationic copolymer acrylamide-dimethyldiallylammonium chloride [P(AM/DMDAAC)] was synthesized from acrylamide(AM)and dimethyldiallylammonium chloride(DMDAAC)by dispersion polymerization.The structures of polymers synthesized in different systems of dispersion were determined with infrared spectroscopy.The results showed that ethanol-H2O was the best system of dispersion.The characteristics of PDMDAAC-AM were studied by means of various instrumental analysis techniques,including transmission electron microscope(TEM)and Zetasizer 3000HSA.The results showed that the particle size of cationic PDMDAAC-AM synthesized in the ethanol-H2O system of dispersion was within the range of nanometer,and the dispersion polymerization in the emulsion state was helpful to dissipation of reaction heat.展开更多
文摘Cationic copolymer acrylamide-dimethyldiallylammonium chloride [P(AM/DMDAAC)] was synthesized from acrylamide(AM)and dimethyldiallylammonium chloride(DMDAAC)by dispersion polymerization.The structures of polymers synthesized in different systems of dispersion were determined with infrared spectroscopy.The results showed that ethanol-H2O was the best system of dispersion.The characteristics of PDMDAAC-AM were studied by means of various instrumental analysis techniques,including transmission electron microscope(TEM)and Zetasizer 3000HSA.The results showed that the particle size of cationic PDMDAAC-AM synthesized in the ethanol-H2O system of dispersion was within the range of nanometer,and the dispersion polymerization in the emulsion state was helpful to dissipation of reaction heat.