中国食品添加剂Issue(5)：101-106,6.
浸渍法制备PW12/SBA-15催化合成尼泊金丁酯
Catalytic synthesis of butyl nipagin by impregnation prepared PW12/SBA-15
王少鹏 1王宇飞 1王会娜 2赵国欣 1李靖靖1
作者信息
- 1. 郑州工程技术学院化工食品学院,郑州450044
- 2. 郑州市第36中学,郑州450042
- 折叠
摘要
Abstract
Supported catalysts were prepared by impregnation of Keggin type phosphotungstic acid supported on SBA-15,and were characterized through XRD,N2 adsorption-desorption,FT-IR and NH3-TPD methods.They were used for synthesis of butyl nipagin,and the process conditions were optimized by L16 (45) orthogonal experiments.The results showed that the basic structure of SBA-15 and PW12 were maintained,and the catalysts had good acid centers.The optimum conditions were as follows:mole ratio of alcohol and acid is 3 ∶ 1,the loading of PW12 is 27％,the amount of catalyst is 3.0％,reaction temperature is 130℃,reaction time is 3.5h,esterification rate could reach 89.04％.The catalysts were reused eight times,with stable performance.关键词
磷钨酸/分子筛/负载型催化剂/尼泊金丁酯Key words
phosphotungstic acid/zeolite/supported catalyst/butyl nipagin分类
化学化工引用本文复制引用
王少鹏,王宇飞,王会娜,赵国欣,李靖靖..浸渍法制备PW12/SBA-15催化合成尼泊金丁酯[J].中国食品添加剂,2017,(5):101-106,6.
