Comfort fitting shape memory elastomer with constructed strong interface based on amphiphilic hybrid Janus particles
Comfort fitting shape memory elastomer with constructed strong interface based on amphiphilic hybrid Janus particles
复制标题
舒适贴合的形状记忆弹性体，具有基于两亲杂化 Janus 颗粒的坚固界面
DOI：
10.1016/j.compositesb.2022.109828
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发表时间：
2022-03
期刊：
影响因子：
--
通讯作者：
Liqun Zhang
中科院分区：
文献类型：
--
作者：
Jing Hu;Gege Lv;Nanying Ning;Bing Yu;Ming Tian;Liqun Zhang
Comfort fitting shape memory elastomer exhibits various potential application in flexible wearable and biomedical devices, which can be developed by mixing the comfort fitting elastomer with the materials of reversible transition. However, it's very difficult to obtain the soft touching feeling, high elongation, and excellent shape memory property at the same time, and the key point mainly depends on improving interface stability and adjusting the morphology by the compatibilizer. In the work, silicone elastomer with excellent shape memory property was obtained by developing an amphiphilic PCL-JP-PDMS hybrid Janus particles compatibilizer for methyl vinyl silicone elastomer/polycaprolactone (MVQ/PCL) blend. Only through increasing the PDMS grafting ratio on the PCL-JP-PDMS particles compatibilizer, the morphology of PCL dispersed phase changed from short fibrous to similar spherical, which ensured the comfort feeling (E = 5.9 MPa), high fixity (Rf= 95%) and recovery ratio (Rr= 99%) of shape memory MVQ/PCL blends. Furthermore, the shape memory silicone elastomer exhibited impressive elasticity in temporary shape at T = 25 °C, which is quite suitable for designing wearable device.
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