High selective synthesis of ortho isomer of bisphenol F catalyzed by Zr-SBA-15

TAN Ying; LI Yongfei; WEI Yuanfeng; YAN Jiaqi; WU Zhimin; PAN Langsheng; LIU Yuejin

doi:10.11949/j.issn.0438-1157.20151257

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High selective synthesis of ortho isomer of bisphenol F catalyzed by Zr-SBA-15

更新时间：2025-12-10

- High selective synthesis of ortho isomer of bisphenol F catalyzed by Zr-SBA-15
- CIESC Journal Issue 5, Pages: 1900-1906(2016)
- 作者机构：
  
  湘潭大学化工学院,湖南,湘潭,411105
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20151257
  CLC： Q243.2TQ426.91
- Online First：05 May 2016，
  
  Published：05 May 2016
- 稿件说明：
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TAN Ying, LI Yongfei, WEI Yuanfeng, et al. High selective synthesis of ortho isomer of bisphenol F catalyzed by Zr-SBA-15[J]. CIESC Journal, 2016, (5): 1900-1906.
DOI：

TAN Ying, LI Yongfei, WEI Yuanfeng, et al. High selective synthesis of ortho isomer of bisphenol F catalyzed by Zr-SBA-15[J]. CIESC Journal, 2016, (5): 1900-1906. DOI： 10.11949/j.issn.0438-1157.20151257.

摘要

以P123为模板剂

正硅酸乙酯为硅源

以硝酸氧锆为锆源

采用水热一步法合成了分子筛催化剂Zr-SBA-15

用XRD、BET、ICP、吡啶FT-IR、NH3-TPD进行了分析表征

考察了不同Si/Zr摩尔比Zr-SBA-15催化苯酚、甲醛合成双酚F的催化活性

发现当Si/Zr摩尔比为20时催化活性较好。以Si/Zr摩尔比20的Zr-SBA-15为催化剂

在反应温度90℃、酚醛摩尔比30:1、催化剂与甲醛质量比1:1条件下反应240 min

双酚F收率达到83.5%

邻位异构体双酚F选择性高达92.5%

同时还提出了Zr-SBA-15高选择性催化苯酚、甲醛合成邻位异构体双酚F的反应机理。

Abstract

A molecular sieve catalyst Zr-SBA-15 was synthesized by the hydrothermal one-step method using P123

TEOS and ZrONO3·xH2O as template agent

silicon and zirconium sources

respectively. The Zr-SBA-15 catalyst was characterized by XRD

BET

ICP

pyridine-FTIR and NH3-TPD

respectively

and used to mainly synthesize the ortho isomer of bisphenol F from phenol and formaldehyde. The results showed that the pore diameter of the prepared Zr-SBA-15 catalyst was about 6.6 nm and the distribution of pore diameter was uniform. After Zr incorporated into SBA-15

it had a high proportion of Lewis acid sites favouring the forming of the ortho isomer of bisphenol F with high catalytic activity. When the molar ratio of Si/Zr was 20

the Zr-SBA-15 catalyst exhibited the best catalytic activity with 83.5% of yield and 92.5% of ortho isomer of bisphenol F. The optimized reaction conditions were obtained as the phenol/formaldehyde molar ratio 30

the catalyst/formaldehyde mass ratio 1

reaction temperature 90℃ and reaction time 240 min. The reaction mechanism for high selective synthesis of the ortho isomer of bisphenol F was also proposed.

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