Citation: Shu Yong Jia, Yu Rong Ren, Gong Ying Wang. Tetra(acetylacetonato) tin (Ⅳ) as new catalyst for polytrimethylene terephthalate synthesis[J]. Chinese Chemical Letters, ;2010, 21(3): 357-360. doi: 10.1016/j.cclet.2009.10.015 shu

Tetra(acetylacetonato) tin (Ⅳ) as new catalyst for polytrimethylene terephthalate synthesis

a College of Chemistry, Jilin Normal University, Siping 136000, China;
b Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China

Received Date: 18 June 2009

Fund Project: The authors are grateful to the National High Technology Research and Development Program of China (No. 2003AA321010) and the Innovation Research Fund of Graduate University, Chinese Academy of Sciences (2006).

Chelate tetra(acetylacetonato) tin (Ⅳ) was prepared and used as catalyst for polytrimethylene terephthalate synthesis. It exhibited higher catalytic activity than tetrabutyl titanate, butyltinhydroxide oxide and dibutyltin oxide. Decrease in reaction time, content of terminal carboxyl group, color intensity and increase in intrinsic viscosity were observed. The unique molecular structure can be considered as factor remarkably improving the catalytic activity of tetra(acetylacetonato) tin (Ⅳ).
- Tetra(acetylacetonato)tin(Ⅳ),
- Polytrimethylene terephthalate,
- Terephthalic acid,
- 1,3-Propanediol
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