负载型磷钨酸催化剂在癸二酸二辛酯合成中的应用

Journal of Jilin University Science Edition

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Application of Supported Phosphorus Acid Catalystin Synthesis of Dioctyl Sebacate

XU Ling¹, BAO Xiaoyan², XING Xiangying¹, ZHANG Jingchao¹, FENG Zhiqiang¹, MAO Lili¹, LI Jiuming¹

1. College of Chemistry and Chemical Engineering, Inner Mongolia Industrial EngineeringResearch Center of Universities for Castor, Inner Mongolia Key Laboratory of Castor Breeding,Inner Mongolia Collaborate Innovation Cultivate Center for Castor, Inner Mongolia University for Nationalities, Tongliao 028000, Inner Mongolia Autonomous Region, China;2. Tongliao Xinghe Biotechnology Co.Ltd., Tongliao 028000, Inner Mongolia Autonomous Region, China

Received:2016-11-24 Online:2017-09-26 Published:2017-09-26
Contact: LI Jiuming E-mail:tlxuling1979@163.com

Abstract

Abstract: The mesoporous materials SBA15 and phosphotungstic acid were evaporated and concentrated under 80 ℃ water bath to prepare supported phosphorus acid catalyst HPWSBA15, which was used as the catalyst for the synthesis of dioctyl sebacate. The effects of acid catalysis, different HPW loadings, reaction temperature, reaction time, molar ratio of acid to alcohol on the synthesis of dioctyl sebacate were studied. The results show that when the loaded amount of phosphotungstic acid of 50%, the reaction time of 2.5 h, n(sebacic acid)∶n(isooctyl alcohol)=1∶3, the highest esterification rate is 95.47%.

Key words: dioctyl sebacate, SBA-15, phosphotungstic acid, load, esterification

CLC Number:

O643.3

XU Ling, BAO Xiaoyan, XING Xiangying, ZHANG Jingchao, FENG Zhiqiang, MAO Lili, LI Jiuming. Application of Supported Phosphorus Acid Catalystin Synthesis of Dioctyl Sebacate[J].Journal of Jilin University Science Edition, 2017, 55(05): 1323-1328.

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Application of Supported Phosphorus Acid Catalystin Synthesis of Dioctyl Sebacate

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