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学科主题: 高分子化学
题名: Constructing robust 3-dimensionally conformal micropatterns: vulcanization of honeycomb structured polymeric films
其他题名: 构建三维正方微图案: 蜂窝结构聚合物薄膜的硫化
作者: Li L(李磊) ; Zhong YW(钟雅文) ; Gong JL(龚建亮) ; Li J(李剑) ; Chen CK(陈财康) ; Ceng BR(曾碧蓉) ; Ma Z(马志)
通讯作者: 李磊 ; 马志
刊名: Soft Matter
发表日期: 2011
卷: 7, 期:2, 页:546-552
收录类别: SCI
部门归属: 厦门大学材料学院; 中国科学院上海有机化学研究所
英文摘要: Here, we present the static breath figure process for constructing 3-dimensionally conformal microporous films on nonplanar substrates, with a commercially available triblock polymer, polystyrene-b-polyisoprene-b-polystyrene. The polymer can cover the surface of nonplanar substrates with ordered porous morphology despite the sharp corners and irregular shapes, which was ascribed to the fluid-like character of the matrix. In the subsequent vulcanization, the micro-patterned polymer films were effectively crosslinked and became self-supported even after removing the sacrificial templates. The 3D structures became resistant to a wide range of organic solvents and thermally stable up to 350 degrees C, an increase of more than 300 K as compared to the un-crosslinked films. The surface features on the 3D structures along the direction of the descending solvent level were investigated in detail by scanning electron microscopy. Furthermore, the versatility of this patterning method was also demonstrated by forming hierarchical micro-structures on bas-relief Si substrates with different patterns. Particularly, hydroxy groups were introduced into another commercially available triblock polymer, polystyrene-b-polybutadiene-b-polystyrene by hydroboration. The functionalized 3D micropatterns feasible for site-directed grafting were created by the hydroxyl-containing polymers.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000286110900030
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/25397
Appears in Collections:分析化学研究室_期刊论文

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Recommended Citation:
Li L,Zhong YW,Gong JL,et al. Constructing robust 3-dimensionally conformal micropatterns: vulcanization of honeycomb structured polymeric films[J]. Soft Matter,2011,7(2):546-552.
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