Chem. J. Chinese Universities ›› 2010, Vol. 31 ›› Issue (2): 418.

• Articles • Previous Articles    

Synthesis of Novel Catalyst Based on TiO2/SiO2 for Poly(ethylene terephthalate)

YIN Ming1,2, FENG Run-Cai1,2, LI Chun-Cheng1*, GUAN Guo-Hu1, ZHANG Dong1, XIAO Yao-Nan1   

  1. 1. Beijing National Laboratory for Molecular Sciences, Key Laboratory of Engineering Plastics, Institute of Chemistry, the Chinese Academy of Sciences, Beijing 100190, China;
    2. Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
  • Received:2009-04-07 Online:2010-02-10 Published:2010-02-10
  • Contact: LI Chun-Cheng. E-mail: lichch@iccas.ac.cn
  • Supported by:

    国家“九七三”计划项目(批准号: 2003CB615600)资助.

Abstract:

A novel catalyst for the polycondensation of PET based on TiO2/SiO2 sol was synthesized. The composition of the catalysts was characterized by electron probe micro-analyzer(EPMA) and thermogravimetric analysis(TGA) methods. The results indicate that the composition of the catalysts can be well controlled and match well with theoretical values. X-ray photoelectron spectroscopy(XPS) results reveale that caprolactam added into the catalyst has coordinative effects with Ti and gives the catalyst ultra-high activity. The PET products catalyzed by the catalyst with caprolactam had far better properties than those synthesized using traditional antimony based catalysts.

Key words: TiO2/SiO2 sol; Poly(ethylene terephthalate); Catalyst

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