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<p>Sizing treatment is a suitable technique to modify the fiber-matrix interfaces without damage of inherent performance of fibers. In this work, sizing agents based on Janus particles (JPs) were utilized to enhance the interface of basalt fiber (BF)/poly(vinyl chloride) (PVC) composites. polystyrene/poly(butyl acrylate) (PS/PBA)@silica JPs were synthesized by seed emulsion polymerization and three different sizing agents were prepared for BF sizing treatment. JPs with organic soft sphere and inorganic hard hemisphere enhanced the interfaces through their amphiphilicity, chemical bonding and mechanical interlock. The mechanical properties of composite with JPs sizing treated BFs performed better when there was one JPs layer modified on the interface. According to the intermitting bonding and gradient modulus theory, JPs patterned interfaces are ideal transition layers between high modulus BF and low modulus PVC.</p>

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Janus Particle Sizing Agent for Interfacial Enhancement of Basalt Fiber/Poly(vinyl chloride) Composites

  • 期刊论文

  • 发表日期：

    2025年6月18日

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  • Tian-Lin Liu,
  • Peng Kang,
  • Hui Wang,
  • Da-Li Gao,
  • Kai Xu,
  • Tao Cai,
  • Qi Xin,
  • Sheng-Peng Shi,
  • Na Wang,
  • Fu-Xin Liang

摘要

Sizing treatment is a suitable technique to modify the fiber-matrix interfaces without damage of inherent performance of fibers. In this work, sizing agents based on Janus particles (JPs) were utilized to enhance the interface of basalt fiber (BF)/poly(vinyl chloride) (PVC) composites. polystyrene/poly(butyl acrylate) (PS/PBA)@silica JPs were synthesized by seed emulsion polymerization and three different sizing agents were prepared for BF sizing treatment. JPs with organic soft sphere and inorganic hard hemisphere enhanced the interfaces through their amphiphilicity, chemical bonding and mechanical interlock. The mechanical properties of composite with JPs sizing treated BFs performed better when there was one JPs layer modified on the interface. According to the intermitting bonding and gradient modulus theory, JPs patterned interfaces are ideal transition layers between high modulus BF and low modulus PVC.