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Synthesis, Surface Tension, Flocculation and Antibacterial Properties of Cationic Copolymer Methacryloxyethyl Trimethyl Ammonium Chloride-Butyl Acrylate-Acrylamide

Synthese, Oberflächenspannung, Flockung und antibakterielle Eigenschaften von kationischem Copolymer Methacryloxyethyltrimethylammoniumchlorid-Butylacrylat-Acrylamid
Geng Su, Ya-Jie Jiang, Hong-Bin Ju, Ya-Kui Wang, Shui-Xin Yu, Ye-Yuan Luo and Tao Geng


Three cationic copolymers methacryloxyethyl trimethyl ammonium chloride-butyl acrylate-acrylamide (MTAC-BA-AM terpolymer) were designed and synthesized by emulsion polymerization. Their structures were confirmed by FT-IR and 1H NMR. The effect of content of hydrophobic monomer butyl acrylate (BA) in MTAC-BA-AM terpolymer on surface activities, flocculation and antibacterial properties were investigated. The study of surface tension shows that MTAC-BA-AM terpolymer has good surface activity due to the introduction of hydrophobic monomer BA. The flocculation experiment showed that the light transmittance of the kaolin suspension supernatant was 98.13% when the dose of MTAC-BA-AM terpolymer in the kaolin suspension was 0.03 mg/L, which was obviously better than the P(MTAC-AM) (91.02%) without hydrophobic modification of BA. The bacteriostatic experiment of MTAC-BA-AM terpolymer showed that as the content of hydrophobic monomer BA in MTAC-BA-AM terpolymer increased the inhibitory rate of MTAC-BA-AM terpolymer aginst Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus)


Drei kationische Copolymere Methacryloxyethyltri-methylammoniumchlorid-Butylacrylat-Acrylamid (MTAC-BA-AM-Terpolymer) wurden entwickelt und durch Emulsionspolymerisation synthetisiert. Ihre Strukturen wurden durch FT-IR und 1H NMR bestätigt. Der Einfluss des Gehalts des hydrophoben Monomers Butylacrylat (BA) im MTAC-BA-AM-Terpolymer auf die Oberflächenaktivitäten, die Flockung und die antibakteriellen Eigenschaften wurden untersucht. Die Untersuchung der Oberflächenspannung zeigt, dass MTAC-BA-AM-Terpolymer aufgrund der Einführung des hydrophoben Monomers BA eine gute Oberflächenaktivität aufweist. Das Flockungsexperiment zeigte, dass die Lichtdurchlässigkeit des Überstandes der Kaolinsuspension 98,13% betrug, wenn die Dosis des MTAC-BA-AM-Terpolymers in der Kaolinsuspension 0,03 mg/L betrug, was offensichtlich besser war als das P(MTAC-AM) (91,02%) ohne hydrophobe Modifikation durch BA. Das bakteriostatische Experiment von MTAC-BA-AM Terpolymer zeigte, dass mit der Erhöhung des Gehalts des hydrophoben Monomers BA im MTAC-BA-AM Terpolymer die Inhibierungsgeschwindigkeit von MTAC-BA-AM Terpolymer gegen Escherichia coli (E. coli) und Staphylococcus aureus (S. aureus) zunahm.

Prof. Dr. Prof Tao Geng China Research Institute of Daily Chemical Industry Taiyuan Shanxi Province 030001 China


The authors gratefully appreciate the financial support from the Nation Key R&D Program (2017YFB0308900) and Project of JALA Research Funds (JALA 2017).


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Received: 2020-06-19
Accepted: 2020-09-08
Published Online: 2021-05-12
Published in Print: 2021-05-31

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