Adjustable volume and loading release of shape memory polymer microcapsules

被引：8

作者：

Zhang, Fenghua ^{[1
]}

Wang, Lu ^{[1
]}

Geng, Qiangwang ^{[1
]}

Liu, Yanju ^{[2
]}

Leng, Jinsong ^{[1
]}

Smoukov, Stoyan K. K. ^{[3
]}

机构：

[1] Harbin Inst Technol HIT, Ctr Composite Mat & Struct, 2 Yikuang St, Harbin 150080, Peoples R China

[2] Harbin Inst Technol HIT, Dept Astronaut Sci & Mech, Harbin, Peoples R China

[3] Queen Mary Univ London, Sch Engn & Mat Sci, London, England

来源：

INTERNATIONAL JOURNAL OF SMART AND NANO MATERIALS | 2023年 / 14卷 / 01期

基金：

中国国家自然科学基金; 中国博士后科学基金; 英国工程与自然科学研究理事会;

关键词：

Shape memory polymer; microcapsules; adjustable surfaces; Stimuli-responsive behavior; loading release; INTERFACIAL POLYMERIZATION; PARTICLES; CAPSULES; ENCAPSULATION; NANOPARTICLES; FABRICATION; FACILE; AGENTS;

D O I：

10.1080/19475411.2023.2166143

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Research on microcapsules has been conducted in recent years given trends in miniaturization and novel functionalization. In this work, we designed and prepared a series of unique shape memory polyurethane (SMPU) microcapsules with stimuli-responsive functions. The microcapsule has a core-shell structure in which the surface morphology can be adjusted, and it has a certain load-bearing capacity. In addition, the SMPU microcapsule has a stimuli-responsive function for shape memory and solvent response. The temperature of its shape recovery is approximately body temperature, and it can swell to rupture under the stimulation of organic solvents. Thus, the SMPU microcapsule has potential applications in biomedical fields, such as drug release.

引用

页码：77 / 89

页数：13

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