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Preparation of porous polyvinyl acetate materials using concentrated emulsion templates

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Abstract

This paper is devoted to the preparation of highly porous polyvinyl acetate (PVAc) materials using concentrated emulsion templates. Stable concentrated emulsions were obtained by introducing colloidal silica to the aqueous phase, which was absorbed at the interface of the emulsion preventing the coalescence of the dispersed phase. The prepared samples were characterized by Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), N2 adsorption (BET), thermo-gravimetric and differential thermal techniques. SEM measurement revealed that cell diameter of the resulting foams was controlled from 1 to 10 μm by altering the emulsion composition, such as the content of colloidal silica, and the volume fraction of the dispersed phase. FT-IR revealed the presence of SiO2 and PVAc in the resulting foams. The nitrogen adsorption analysis showed that the samples possessed mesoporous structure with surface areas lager than 62 m2 g−1. Porous PVAc materials, which are biocompatible, will have potential applications in area of life science.

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Acknowledgments

This work was supported by Taishan Scholars Program of Shandong Province, China (ts20091458). The authors thank Ms. Haiyan Ge, Center of Analysis, Taishan Medical University, China, for technical assistance relating to SEM and FI-TR.

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Authors and Affiliations

  1. Institute of Chemical Engineering, Taishan Medical University, Tai’an, 271000, China

    Haitao Chang, Zhehui Wang, Chao Zheng & Xueyong Gong

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  1. Haitao Chang
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  2. Zhehui Wang
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  3. Chao Zheng
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  4. Xueyong Gong
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Correspondence to Haitao Chang.

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Chang, H., Wang, Z., Zheng, C. et al. Preparation of porous polyvinyl acetate materials using concentrated emulsion templates. J Porous Mater 20, 1283–1287 (2013). https://doi.org/10.1007/s10934-013-9712-4

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  • DOI: https://doi.org/10.1007/s10934-013-9712-4

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