Citation: Shou-Cun ZHANG, Mao PI. 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. doi: 10.19894/j.issn.1000-0518.200181 shu

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

Shou-Cun ZHANG ^, ,
Mao PI

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

Corresponding author: Shou-Cun ZHANG, zhang_sc@nun.edu.cn
Received Date: 13 June 2020
Accepted Date: 3 September 2020

Fund Project: the National Natural Science Foundation of China 21564001Ningxia Natural Science Foundation 2019AAC03106the Graduate Innovation Project of Beifang Minzu University YCX19098

Figures(5)

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.
- Carbon dioxide,
- Poly(vinyl alcohol),
- High interval phase emulsion,
- Macroporous materials
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