Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34076
Title: Enhanced interfacial adhesion between PPO and glass beads in composites by surface modification of glass beads via in situ polymerization and copolymerization
Authors: Xie, XL
Tang, CY 
Zhou, XP
Li, RKY
Yu, ZZ
Zhang, QX
Mai, YW
Issue Date: 2004
Publisher: American Chemical Society
Source: Chemistry of materials, 2004, v. 16, no. 1, p. 133-138 How to cite?
Journal: Chemistry of materials 
Abstract: Glass beads were modified with vinyl triethoxyl silane (VTES) followed by in situ copolymerization with styrene (St) and by direct modification with St via in situ polymerization. It was seen that the presence of glass beads did not inhibit the polymerization of St, and FT-IR spectra confirmed that the polystyrene (PS) molecules were grafted on the surfaces of glass beads. When the modified glass beads were filled in a poly(phenylene oxide) (PPO) matrix, the PS segments on the surfaces of glass beads clearly improved compatibility and enhanced interfacial adhesion between the PPO matrix and glass beads, which was responsible for the slightly increased glass transition temperature of the PPO component. Surface modifications, especially by in situ copolymerization of VTES and St, increased significantly notch impact strengths and marginal stiffness and tensile strengths of PPO/glass bead composites.
URI: http://hdl.handle.net/10397/34076
ISSN: 0897-4756
DOI: 10.1021/cm034512z
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