Preparation and Characterization of Polyurethane Doped with Nano-sized SiO_2 Derived from Sol-Gel Process

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概要

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• Nano-sized SiO2 particles were prepared via the sol-gel process, and evenly dispersed in the polyurethane resin. The tensile strength and 100% modulus of the polyurethane doped with SiO2 were increased and the content of SiO2 has an optimum value. Elongation at break had a downtrend at first and an ascending trend afterward with the increase of SiO2. The addition of nano-sized SiO2 not only increased the storage modulus but also improved the peak of tan δ of the polymer. Nano-sized SiO2 hardly affected the low temperature-resistant properties, but improved the heat-resistant properties of the resin.

• 社団法人 化学工学会の論文
• 2003-10-01

著者

• Shen Jun

  Pohl Institute Of Solid State Physics Tongji University

• Zhang Zhihua

  Pohl Institute Of Solid State Physics Tongji University

• WU GUANGMING

  Pohl Institute of Solid State Physics, Tongji University

• Wu Guangming

  Pohl Institute Of Solid State Physics Tongji University

関連論文

• Preparation and Characterization of Polyurethane Doped with Nano-sized SiO_2 Derived from Sol-Gel Process

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