Effect of Monomer on Emulsification Behavior of Polyvinyl Alcohol and Preparation of Macroporous Materials

doi:10.19894/j.issn.1000-0518.200181

Chinese Journal of Applied Chemistry ›› 2021, Vol. 38 ›› Issue (1): 77-83.DOI: 10.19894/j.issn.1000-0518.200181

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Effect of Monomer on Emulsification Behavior of Polyvinyl Alcohol and Preparation of Macroporous Materials

ZHANG Shou-Cun^*, PI Mao

Key Laboratory of Polymer Materials and Manufacturing Technology, College of Materials Science and Engineering, Beifang Minzu University, Yinchuan 750021, China

Received:2020-06-13 Revised:2020-09-03 Published:2021-01-01 Online:2021-02-01
Supported by:
National Natural Science Foundation of China(No.21564001), Ningxia Natural Science Foundation(No.2019AAC03106) and the Graduate Innovation Project of Beifang Minzu University(No.YCX19098)

Abstract

Abstract: Science and Engineering, Beifang Minzu University, Yinchuan 750021, China) Abstract In this paper, the effects of three kinds of methacrylate-based water-soluble monomer on the emulsifying activity of poly(vinyl alcohol )(PVA-1788) in CO₂-in-water high interval phase emulsion (HIPE) were first investigated, and then two kinds of macroporous materials were prepared separately by the CO₂-in-water high interval phase templating-polymerization. The results indicate that the presence of methacrylic acid-β-hydroxyethyl ester, or 2-(dimethylamino) ethyl methacrylate reduces the stability of HIPEs. In contrast, the methacryloxyethyltrimethyl ammonium chloride shows active effects on the formation and stability of HIPEs, and the HIPE can keep stable for 48 h. Scannning electron microscopy results indicate that the two macroporous materials have abundant pore structures and the percentage of the pore size above 10 μm is as high as 50% for both macroporous materials.

Key words: Carbon dioxide, Poly(vinyl alcohol), High interval phase emulsion, Macroporous materials

CLC Number:

O631.4

ZHANG Shou-Cun, PI Mao. Effect of Monomer on Emulsification Behavior of Polyvinyl Alcohol and Preparation of Macroporous Materials[J]. Chinese Journal of Applied Chemistry, 2021, 38(1): 77-83.

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Effect of Monomer on Emulsification Behavior of Polyvinyl Alcohol and Preparation of Macroporous Materials

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