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Synthesis and properties novel polyurethane-hexafluorobutyl methacrylate copolymers

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Abstract

Novel physically crosslinked polyurethane-hexafluorobutyl methacrylate (PU-M) copolymers were prepared by the macroiniferter-controlled radical polymerization method. The chemical structures of the PU-M copolymers were characterized by FT-IR, 1H-NMR, GPC, DSC, and XPS. The self-assembly and surface properties of the PU-M copolymers have been investigated. The results revealed that PU-M copolymers have good hydrophobility, so the hydrophobility of polyurethane could be easily adjusted by controlling the content of the hydrophobic vinyl monomers. The mechanical evaluation shows that PU-M copolymers exhibit good mechanical properties. The effects of the fluorine content on the surface properties and self-assembly of the PU-M copolymers were investigated. The morphology of the PU-M copolymers’ self-assembly was observed by transmission electron microscopy (TEM) and scanning electron microscopy (SEM), and the mechanism of self-assembly was investigated. Antimicrobial property of the chlorinated PU-M copolymers against both Escherichia coli and Bacillus subtilis bacteria was examined and showed increase compared to that of pure polyurethane.

Graphical Abstract

Novel PU-M copolymers were synthesized by the macroiniferter controlled radical polymerization method. The structure of polymers was characterized by 1H NMR and IR. Solvent-induced assembly of polymers was investigated by dissolving the polymer in THF:water (80:20, v/v), filtering and dropping onto a glass patch. After evaporation for 48 h under ambient conditions, the samples were observed by SEM. The PU-M copolymers were subjected to solvent-induced self-assembly in THF + water to construct variety of morphologies ranging from pores (150–650 nm) to spheres (90 nm to 1.2 μm). A mechanism is proposed according to solvent-induced self-assembly.

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Acknowledgments

This project was supported by National 863 Foundation of China (No. 2006 AA 02 Z4D4) and the China Postdoctoral Science Foundation (Nos. 20080430033 and 200902090). The Project was Supported by The Tribology Science Fund of State Key Laboratory of Tribology (SKLTKF10B08).

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Authors and Affiliations

  1. Tianjin University of Science and Technology, 300222, Tianjin, China

    Guichang Jiang

  2. Laboratory for Advanced Materials, Department of Chemical Engineering, Tsinghua University, 100084, Beijing, China

    Guichang Jiang, Xinlin Tuo, Dongrui Wang & Qiang Li

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  1. Guichang Jiang
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  2. Xinlin Tuo
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  3. Dongrui Wang
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  4. Qiang Li
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Correspondence to Guichang Jiang.

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Jiang, G., Tuo, X., Wang, D. et al. Synthesis and properties novel polyurethane-hexafluorobutyl methacrylate copolymers. J Mater Sci: Mater Med 23, 1867–1877 (2012). https://doi.org/10.1007/s10856-012-4670-y

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  • DOI: https://doi.org/10.1007/s10856-012-4670-y

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