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Miniemulsion polymerization of fluorinated siloxane-acrylate latex and the application as waterborne textile finishing agent

Authors

  • Longhai Guo,

    1. College of Materials Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, People's Republic of China
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    • L. Guo and S. Jiang contributed equally to this work.

  • Sijiu Jiang,

    1. College of Materials Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, People's Republic of China
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    • L. Guo and S. Jiang contributed equally to this work.

  • Teng Qiu,

    Corresponding author
    1. College of Materials Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, People's Republic of China
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  • Shengwen Zhang,

    1. College of Materials Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, People's Republic of China
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  • Lifan He,

    1. College of Materials Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, People's Republic of China
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  • Jie Tan,

    1. College of Materials Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, People's Republic of China
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  • Xiaoyu Li

    1. College of Materials Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing, People's Republic of China
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ABSTRACT

Fluorinated siloxane–acrylate polymer latex was synthesized via miniemulsion polymerization, which was carried out by pseudo one-step method. In the synthesis protocol, the monomers of octamethylclotetrasiloxane (D4), tetravinyltetramethylcyclotetrasiloxane (D4v), methyl methylacrylate, butyl acrylate, N-methylol acrylamide, and dodecafluoroheptyl methacrylate (DFMA) were first mixed and homogenized into a miniemulsion, which was stabilized by dedecybenzene sulfonic acid. The ring-opening polymerization of cyclosiloxane was then steadily performed under miniemulsion conditions and followed by the postaddition of radical initiators to initiate the polymerization of acrylate and DFMA monomers. The influences on the emulsion properties by acrylic monomer with different addition protocol were investigated in this work. In addition, the synthesized latexes were characterized by using dynamic laser scattering, transmission electron microscope, differential scanning calorimetry, and Fourier transform infrared spectroscopy. These results indicated that the introduction of D4v in the latex can successfully suppress the phase separation between the thermodynamically incompatible components for the formation of uniform hybrid latex particles. The further application of the as-synthesized latex was investigated as a new kind of waterborne textile finishing agent. Moreover, the influences of the content of D4v and DFMA on the finishing properties, especially for the softness, the water repellence, and the antimoisture properties, were systematically studied in this work. With a proper design on the content of the D4v and DFMA, stable textile finishing emulsion was prepared, which can endow the fabric both desirable softness and excellent water resistances. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40161.

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