刚-柔嵌段共聚物在有序排列的微米圆盘表面自组装构筑多级结构
O63; 在材料表面构筑聚合物多级结构可以显著提升其性能并赋予新的性能,但是目前已有的制备方法较为繁琐,需要开发简单易行的新方法.结合聚苯乙烯(PS)的可控蒸发组装和聚(γ-苄基-L-谷氨酸酯)-聚乙二醇(PBLG-b-PEG)刚-柔嵌段共聚物溶液自组装方法,在硅片表面构建了梯度排列且表面具有纳米条纹的微米圆盘多级结构.采用光学显微镜、原子力显微镜(AFM)和接触角测量仪等对微结构形貌及硅片的表面润湿性进行了表征.PS溶液经可控蒸发自组装在硅片表面形成梯度变化的微米圆点图案,经热处理及溶剂清洗后,得到微米圆盘.通过溶液自组装方法,PBLG-b-PEG在PS微米圆盘表面形成有序排列的周期性纳米条...
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| Published in | 功能高分子学报 Vol. 32; no. 3; pp. 292 - 299 |
|---|---|
| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
华东理工大学材料科学与工程学院,上海市先进聚合物材料重点实验室,上海200237
2019
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1008-9357 |
| DOI | 10.14133/j.cnki.1008-9357.20180815001 |
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| Abstract | O63; 在材料表面构筑聚合物多级结构可以显著提升其性能并赋予新的性能,但是目前已有的制备方法较为繁琐,需要开发简单易行的新方法.结合聚苯乙烯(PS)的可控蒸发组装和聚(γ-苄基-L-谷氨酸酯)-聚乙二醇(PBLG-b-PEG)刚-柔嵌段共聚物溶液自组装方法,在硅片表面构建了梯度排列且表面具有纳米条纹的微米圆盘多级结构.采用光学显微镜、原子力显微镜(AFM)和接触角测量仪等对微结构形貌及硅片的表面润湿性进行了表征.PS溶液经可控蒸发自组装在硅片表面形成梯度变化的微米圆点图案,经热处理及溶剂清洗后,得到微米圆盘.通过溶液自组装方法,PBLG-b-PEG在PS微米圆盘表面形成有序排列的周期性纳米条纹.材料的接触角随着图案表面微结构从半球状圆点到表面平整的圆盘再到表面带有纳米条纹的圆盘的变化持续降低. |
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| AbstractList | O63; 在材料表面构筑聚合物多级结构可以显著提升其性能并赋予新的性能,但是目前已有的制备方法较为繁琐,需要开发简单易行的新方法.结合聚苯乙烯(PS)的可控蒸发组装和聚(γ-苄基-L-谷氨酸酯)-聚乙二醇(PBLG-b-PEG)刚-柔嵌段共聚物溶液自组装方法,在硅片表面构建了梯度排列且表面具有纳米条纹的微米圆盘多级结构.采用光学显微镜、原子力显微镜(AFM)和接触角测量仪等对微结构形貌及硅片的表面润湿性进行了表征.PS溶液经可控蒸发自组装在硅片表面形成梯度变化的微米圆点图案,经热处理及溶剂清洗后,得到微米圆盘.通过溶液自组装方法,PBLG-b-PEG在PS微米圆盘表面形成有序排列的周期性纳米条纹.材料的接触角随着图案表面微结构从半球状圆点到表面平整的圆盘再到表面带有纳米条纹的圆盘的变化持续降低. |
| Author | 蔡春华 李飞燕 唐政敏 林嘉平 |
| AuthorAffiliation | 华东理工大学材料科学与工程学院,上海市先进聚合物材料重点实验室,上海200237 |
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| Author_FL | TANG Zhengmin LI Feiyan CAI Chunhua LIN Jiaping |
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| Author_xml | – sequence: 1 fullname: 李飞燕 – sequence: 2 fullname: 唐政敏 – sequence: 3 fullname: 蔡春华 – sequence: 4 fullname: 林嘉平 |
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| Title | 刚-柔嵌段共聚物在有序排列的微米圆盘表面自组装构筑多级结构 |
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