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Surface properties and chain structure of fluorinated acrylate copolymers prepared by emulsion polymerization

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Abstract

The fluorinated copolymer poly (MMA–co–FMA), composed of methyl methacrylate (MMA) and 2-perfluorooctylethyl methacrylate (FMA), was prepared by emulsion polymerization using a pre-emulsified monomer addition process. The results showed that the contact angle of water on its solvent-borne film increased dramatically and reached 118º when the FMA content in the copolymer was only 0.65 mol%, approaching that of poly(2-perfluorooctylethyl methacrylate) homopolymer. Unlike the copolymer prepared by solution polymerization, X-ray photoelectron spectroscopy (XPS), and sum frequency generation (SFG) vibrational spectroscopy analysis results indicated that the fluorinated moieties in this polymer were very easily segregated at the surface of the film. The interfacial structure and properties of this polymer in solution were investigated using SFG, surface tension, and dynamic laser light scattering (DLS). It was found that emulsion polymerization produced a chain structure of the fluorinated copolymer similar to that of FMA capped PMMA, thereby providing a possible way to produce fluorinated end-capped polymers using a popular polymerization method.

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Acknowledgments

We are thankful for support from the National Natural Science Foundation of China (NSFC, No. 50573069, No.20704038) and Program for Changjiang Scholars and Innovative Research Team in University (No. IRT 0654).

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Authors and Affiliations

  1. Department of Chemistry, Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Education Ministry, Zhejiang Sci-Tech University, Hangzhou, 310018, China

    Lei Chen, Yurong Zhao, Mao Deng, Daxiang Yuan, Huagang Ni, Wei Zhang & ** Wang

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  1. Lei Chen
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Correspondence to ** Wang.

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Chen, L., Zhao, Y., Deng, M. et al. Surface properties and chain structure of fluorinated acrylate copolymers prepared by emulsion polymerization. Polym. Bull. 64, 81–97 (2010). https://doi.org/10.1007/s00289-009-0193-1

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