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基于倍半硅氧烷的两亲性嵌段共聚物在溶液中的自组装行为及pH刺激响应特性

Self-Assembly Behavior and pH-Stimuli-Responsive Property of POSS-Based Amphiphilic Block Copolymers in Solution.

作者信息

Xu Yiting, He Kaiwei, Wang Hongchao, Li Meng, Shen Tong, Liu Xinyu, Yuan Conghui, Dai Lizong

机构信息

Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen 361005, China.

出版信息

Micromachines (Basel). 2018 May 24;9(6):258. doi: 10.3390/mi9060258.

DOI:10.3390/mi9060258
PMID:30424191
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6187445/
Abstract

Stimuli-responsive polymeric systems containing special responsive moieties can undergo alteration of chemical structures and physical properties in response to external stimulus. We synthesized a hybrid amphiphilic block copolymer containing methoxy polyethylene glycol (MePEG), methacrylate isobutyl polyhedral oligomeric silsesquioxane (MAPOSS) and 2-(diisopropylamino)ethyl methacrylate (DPA) named MePEG--P(MAPOSS--DPA) via atom transfer radical polymerization (ATRP). Spherical micelles with a core-shell structure were obtained by a self-assembly process based on MePEG--P(MAPOSS--DPA), which showed a pH-responsive property. The influence of hydrophobic chain length on the self-assembly behavior was also studied. The pyrene release properties of micelles and their ability of antifouling were further studied.

摘要

含有特殊响应基团的刺激响应性聚合物体系可响应外部刺激而发生化学结构和物理性质的改变。我们通过原子转移自由基聚合（ATRP）合成了一种杂化两亲性嵌段共聚物，其包含甲氧基聚乙二醇（MePEG）、甲基丙烯酸异丁基多面体低聚倍半硅氧烷（MAPOSS）和甲基丙烯酸2-（二异丙基氨基）乙酯（DPA），命名为MePEG-P（MAPOSS-DPA）。基于MePEG-P（MAPOSS-DPA）通过自组装过程获得了具有核壳结构的球形胶束，其表现出pH响应特性。还研究了疏水链长度对自组装行为的影响。进一步研究了胶束的芘释放特性及其抗污能力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/cc27b1ae1e60/micromachines-09-00258-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/31c9c9540d57/micromachines-09-00258-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/3a0b1771c410/micromachines-09-00258-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/46565c136c17/micromachines-09-00258-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/8f6a5c574fee/micromachines-09-00258-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/11ac1ba6c909/micromachines-09-00258-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/7b79b5b202e1/micromachines-09-00258-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/23a277df3b80/micromachines-09-00258-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/71994b824151/micromachines-09-00258-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/4b4adfd98126/micromachines-09-00258-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/bd1b13fd1a82/micromachines-09-00258-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/2871d1098077/micromachines-09-00258-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/cc27b1ae1e60/micromachines-09-00258-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/31c9c9540d57/micromachines-09-00258-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/3a0b1771c410/micromachines-09-00258-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/46565c136c17/micromachines-09-00258-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/8f6a5c574fee/micromachines-09-00258-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/11ac1ba6c909/micromachines-09-00258-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/7b79b5b202e1/micromachines-09-00258-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/23a277df3b80/micromachines-09-00258-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/71994b824151/micromachines-09-00258-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/4b4adfd98126/micromachines-09-00258-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/bd1b13fd1a82/micromachines-09-00258-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/2871d1098077/micromachines-09-00258-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5bce/6187445/cc27b1ae1e60/micromachines-09-00258-g011.jpg

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