Molecularly imprinted materials with core-shell structure for directed desiccation

Zhuangfei JIANG; Jiayuan HE; Rongrong MA; Qingyao LI; Lili YANG; Ling TAN; Qihui ZHANG

doi:10.11949/0438-1157.20200210

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Molecularly imprinted materials with core-shell structure for directed desiccation

Separation engineering | 更新时间：2025-11-25

- Molecularly imprinted materials with core-shell structure for directed desiccation
- CIESC Journal Vol. 71, Issue 10, Pages: 4704-4710(2020)
- 作者机构：
  
  1.重庆大学化学化工学院，重庆400044
  2.重庆大学药学院，重庆400044
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20200210
  CLC： R 917
- Received：02 March 2020，
  
  Revised：2020-04-14，
  
  Published：05 October 2020
- 稿件说明：
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蒋壮飞, 何家垣, 马蓉蓉, 李清瑶, 杨莉莉, 谭玲, 张起辉. 核-壳结构分子印迹材料用于定向脱苦的研究[J]. 化工学报, 2020, 71(10): 4704-4710

JIANG Zhuangfei, HE Jiayuan, MA Rongrong, LI Qingyao, YANG Lili, TAN Ling, ZHANG Qihui. Molecularly imprinted materials with core-shell structure for directed desiccation[J]. CIESC Journal, 2020, 71(10): 4704-4710
蒋壮飞, 何家垣, 马蓉蓉, 李清瑶, 杨莉莉, 谭玲, 张起辉. 核-壳结构分子印迹材料用于定向脱苦的研究[J]. 化工学报, 2020, 71(10): 4704-4710 DOI： 10.11949/0438-1157.20200210.

JIANG Zhuangfei, HE Jiayuan, MA Rongrong, LI Qingyao, YANG Lili, TAN Ling, ZHANG Qihui. Molecularly imprinted materials with core-shell structure for directed desiccation[J]. CIESC Journal, 2020, 71(10): 4704-4710 DOI： 10.11949/0438-1157.20200210.

摘要

以SiO

为支撑材料、甲基丙烯酸（MAA）为功能单体、偶氮二异丁腈（AIBN）为引发剂、乙二醇二甲基丙烯酸酯（EGDMA）为交联剂，制备了可选择性吸附柠檬汁中苦味物质的表面分子印迹聚合物（SMIPs）材料。利用透射电镜和红外吸收光谱等手段对SMIPs进行表征，随后进行吸附能力和选择性研究。结果表明，SMIPs具有核-壳结构，且有着良好的吸附性能（27.72 mg/g）和快速吸附能力（60 min），吸附符合二级动力学模型，吸附过程符合Langmuir单层吸附模型。最后，将SMIPs用于柠檬汁中苦味物质吴茱萸内酯的去除，结果显示SMIPs具有良好的脱苦性能。

Abstract

SiO

as the support material

methacrylic acid (MAA) as the functional monomer

azodiisobutyronitrile (AIBN) as the initiator

ethylene glycol dimethacrylate (EGDMA) as the cross-linking agent

a surface molecularly imprinted polymer (SMIPs) material which can selectively absorb bitter substances in lemon juice was prepared. Transmission electron microscopy and infrared absorption spectroscopy were used to characterize the SMIPs

followed by adsorption capacity and selectivity studies. The results showed that SMIPs had core-shell structure

good adsorption performance (27.72 mg/g) and fast adsorption capacity (60 min). The adsorption was in accordance with the second-order kinetic model

and the adsorption process was in accordance with the Langmuir monolith adsorption model. Finally

SMIPs were used to remove the bitter substance evodine in lemon juice

and the result showed that SMIPs had good desiccation ability.

关键词

Keywords

references

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