Synthesis of Macromolecular Coupling Agent and its Effects on Polystyrene Composites

Abstract:

Different molecular weight of block coupling agents with well-defined structures have been synthesized successfully by atom transfer radical polymerization (ATRP) from styrene (St), butyl methacrylate (BMA) and 3-methoxyacryloyl-propyltrimethoxyl silicon (KH-570) are as monomer. The structures and compositions of macromolecular coupling agents have been characterized by means of infrared spectrum (FT-IR), ultraviolet spectrum (UV), nuclear magnetic resonance spectroscopy (¹H-NMR) and gel permeation chromatography (GPC). And their effects on the polystyrene/silica (PS/SiO₂) composite materials have been studied. The results show that interface compatibility and mechanical properties of composite materials containing macromolecule coupling agents are improved significantly. The composite materials with block macromolecular coupling agents possess more excellent comprehensive performance. Furthermore, the impact strength increased by 110% when comparing with composite materials which are not modified by the coupling agents.

• Periodical: Advanced Materials Research (Volume 1053)
• Pages: 268-275
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1053.268
• Online since: October 2014
• Authors: Hong Wen Zhang*, Shi Long Zhou, Yang Zhang, Yan Jiang, Qiang Yu
• Keywords: Atom Transfer Radical Polymerization (ATRP), Composite Material, Impact Strength, Macromolecular Coupling Agent

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