Sol-gel derived H3PW12O40/SiO2 and catalyzed synthesis of trimethylolpropane tri-heptanoate

FANG Li; LI Haitang; ZHAO Yongxiang; LIU Diansheng

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Sol-gel derived H₃PW₁₂O₄₀/SiO₂ and catalyzed synthesis of trimethylolpropane tri-heptanoate

更新时间：2025-12-10

- Sol-gel derived H₃PW₁₂O₄₀/SiO₂ and catalyzed synthesis of trimethylolpropane tri-heptanoate
- CIESC Journal Issue 2, Pages: 270-273(2005)
- 作者机构：
  
  山西大学化学化工学院,山西,太原,030006
- 作者简介：
- 基金信息：
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- Online First：25 February 2005，
  
  Published：25 February 2005
- 稿件说明：
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FANG Li, LI Haitang, ZHAO Yongxiang, et al. Sol-gel derived H₃PW₁₂O₄₀/SiO₂ and catalyzed synthesis of trimethylolpropane tri-heptanoate[J]. CIESC Journal, 2005, (2): 270-273.
DOI：

FANG Li, LI Haitang, ZHAO Yongxiang, et al. Sol-gel derived H₃PW₁₂O₄₀/SiO₂ and catalyzed synthesis of trimethylolpropane tri-heptanoate[J]. CIESC Journal, 2005, (2): 270-273. DOI：

摘要

Abstract

H3PW12O40/SiO2(PW/SiO2) was prepared by the sol-gel method and trimethylolpropane tri-heptanoate(TMH ) was synthesized by trimethylolpropane(TMP) and heptylic acid(HA) in the presence of H3PW12O40/SiO2.The results showed that the catalyst with 50%（mass）PW had good activity and stability.The optimal esterification conditions were as follows:nTMP∶nHA=1∶4

2%(mass)PW/SiO2

reaction temperature 120—200 ℃ and 3 h.The structure of TMH was characterized by GC

1HNMR spectra and the rate of esterification was up to 95%.

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