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Hydrophobic modification of poly(aryl ether ketone ketone) aerogel via poly(dimethylsiloxane)

  • Original Paper: Nano- and macroporous materials (aerogels, xerogels, cryogels, etc.)
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Abstract

Property and structure of aerogels with polar groups almost suffer from their high hydrophilicity. In this study, in order to improve the hydrophobicity of poly(aryl ether ketone ketone) aerogel prepared from poly(aryl ether ketone ketone) containing trimethoxysilane side groups, hydroxy-terminated poly(dimethylsiloxane) was added. During gelation, hydroxy-terminated poly(dimethylsiloxane) condensed with the methoxy groups or the hydrolyzed methoxy groups of the trimethoxysilane side groups. It was found that the hydrophobicity of poly(aryl ether ketone ketone) aerogel improved significantly even though only 5 wt% hydroxy-terminated poly(dimethylsiloxane) was added, and the hydrophobicity of the modified poly(aryl ether ketone ketone) aerogel showed an increase trend with increasing the content of hydroxy-terminated poly(dimethylsiloxane).

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Acknowledgments

This work was financially supported by National Natural Science Foundation of China (Grant No. 51403226) and Natural Science Foundation of Ningbo City, China (Grant No. 2014A610139).

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Authors and Affiliations

  1. National Engineering Laboratory of Carbon Fiber Preparation Technology, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, PR China

    Xiqiang Zhong, Xueliang Pei & Liu He

  2. College of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, PR China

    Xiqiang Zhong

  3. Polymers and Composites Division, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, PR China

    Wentao Zhai & Wenge Zheng

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  1. Xiqiang Zhong
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  2. Xueliang Pei
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  3. Liu He
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Correspondence to Xueliang Pei or Wenge Zheng.

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Zhong, X., Pei, X., He, L. et al. Hydrophobic modification of poly(aryl ether ketone ketone) aerogel via poly(dimethylsiloxane). J Sol-Gel Sci Technol 81, 220–225 (2017). https://doi.org/10.1007/s10971-016-4193-y

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  • DOI: https://doi.org/10.1007/s10971-016-4193-y

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