Application of Poly(perfluoro-substituted decene-<italic style="font-style: italic">co</italic>-vinylamine) in Surface Treatment of Transparent Poly(methyl methacrylate)

LIANG Shuai; WU Sheng-li; XIANG Ying-han; LIU Zhe; WANG Zhen; DONG Yuan-qing

doi:10.14028/j.cnki.1003-3726.2025.25.044

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Application of Poly(perfluoro-substituted decene-co-vinylamine) in Surface Treatment of Transparent Poly(methyl methacrylate)

更新时间：2025-07-15

- Application of Poly(perfluoro-substituted decene-co-vinylamine) in Surface Treatment of Transparent Poly(methyl methacrylate)
- Polymer Bulletin Vol. 38, Issue 8, Pages: 1299-1309(2025)
- 作者机构：
  
  1.国网内蒙古东部电力有限公司通辽供电公司，通辽 028000
  2.国网内蒙古东部电力有限公司，呼和浩特 010000
  3.上海思源高压开关有限公司，上海 200000
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2025.25.044
  CLC：
- Received：10 February 2025，
  
  Accepted：29 March 2025，
  
  Published Online：03 June 2025，
  
  Published：20 August 2025
- 稿件说明：
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梁帅, 吴胜利, 向英瀚, 刘哲, 王振, 董元清. 全氟取代癸烯-co-乙烯铵聚合物在透明有机玻璃表面处理中的应用. 高分子通报, 2025, 38(8), 1299–1309.

Liang, S.; Wu, S. L.; Xiang, Y. H.; Liu, Z.; Wang, Z.; Dong, Y. Q. Application of poly(perfluoro-substituted decene-co-vinylamine) in surface treatment of transparent poly(methyl methacrylate). Polym. Bull. (in Chinese), 2025, 38(8), 1299–1309.
梁帅, 吴胜利, 向英瀚, 刘哲, 王振, 董元清. 全氟取代癸烯-co-乙烯铵聚合物在透明有机玻璃表面处理中的应用. 高分子通报, 2025, 38(8), 1299–1309. DOI： 10.14028/j.cnki.1003-3726.2025.25.044.

Liang, S.; Wu, S. L.; Xiang, Y. H.; Liu, Z.; Wang, Z.; Dong, Y. Q. Application of poly(perfluoro-substituted decene-co-vinylamine) in surface treatment of transparent poly(methyl methacrylate). Polym. Bull. (in Chinese), 2025, 38(8), 1299–1309. DOI： 10.14028/j.cnki.1003-3726.2025.25.044.

摘要

材料表面修饰性能的稳定性是表面处理实际应用过程中的一个重要指标，而透明高分子材料在保留优异光学透明性的前提下在其表面构筑既均匀又稳定的疏水层是一个难度很大的挑战。针对透明有机玻璃(PMMA)表面构建疏水层时稳定性与透光性难以兼顾的问题，通过小分子硅烷偶联剂和全氟烷基链取代阳离子共聚物两种策略构建疏水层，并对其透明性与稳定性进行比较。结果表明：小分子硅烷修饰导致透光率下降10%，扫描电子显微镜(SEM)观察结果显示，透明性下降是由微米级团聚现象引起的，经10次污水处理后，其接触角由100°锐减至70°，表明其使用稳定性不佳；而全氟烷基链共聚物修饰层透光率>90%，表面均匀无团聚，污水处理10次后，接触角仍稳定在95°以上(波动<3°)。这是由于全氟烷基链共聚物通过共价键键合形成均匀稳定的疏水层，在光学透明性、分布均匀性和稳定性方面显著优于小分子硅烷偶联剂。本工作为透明材料表面功能化提供了新思路，并为聚合物材料的表面改性技术开发提供了理论支撑。

Abstract

The stability of surface modified properties is a critical factor in practical applications of surface treatments. Constructing a uniform and stable hydrophobic layer on transparent polymeric materials while preserving their excellent optical transparency is a significant challenge. This study addresses the compromised balance between stability and transparency in the fabrication of hydrophobic layer on poly(methyl methacrylate) (PMMA) surfaces by employing two strategies: alkali pretreatment combined with small-molecule silane coupling agents and a perfluoroalkyl-substituted cationic copolymer (P2). Experimental results demonstrated that the silane-modified surfaces exhibited a reduced transmittance (10% decrease in visible spectrum) due to the micrometer agglomerations observed by SEM. After 10 wastewater treatment cycles

the water contact angle (WCA) sharply declined from 100° to 70°. In contrast

the P2-modified surfaces maintaina a >90% transmittance owing to uniform morphology without agglomeration

and retains WCA above 95° (variation <3°) after identical treatments. The reason is that perfluoroalkyl copolymer forms a covalently bonded and homogeneous hydrophobic layer

significantly outperforming silane agents in optical transparency

uniformity and durability. This work offers a novel approach for surface functionalization of transparent materials and establishes a theoretical foundation for the development of surface modification technologies in polymeric materials.

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references

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Application of Poly(perfluoro-substituted decene-co-vinylamine) in Surface Treatment of Transparent Poly(methyl methacrylate)

DOI：10.14028/j.cnki.1003-3726.2025.25.044

摘要

Abstract

关键词

Keywords

references