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Micromolding in Capillaries Using Swollen Elastomeric Stamp
Jin-xia Shi, Zheng Wang, Ping-sheng He*, Hai-yang Yang
University of Science and Technology of China, Department of Polymer Science and Engineering, Hefei 230026, China
Abstract:
Micromolding in capillaries of a micro-square array was carried out for polystyrene solution in acetone by means of swollen polydimethylsiloxane (PDMS) elastomeric stamp. The resulting micro-cubic poles were isolated and separable when the added amount of the polystyrene solution was small. Some special distorting micro-patterns in the micro-square array were observed because of shrinkage resulting from the varying evaporation rate of solvent at different places.
Key words:  Micromolding in capillaries, Swelling, Polydimethylsiloxane, Elastomeric stamp
FundProject:supported by the National Natural Science Foundation of China (No.20374049) and the Specialized Research Fund for the Doctoral Program of Higher Education (20040358018)
溶胀后的弹性印章进行毛细微模塑
石锦霞 , 王政 , 何平笙 , 杨海洋
中国科学技术大学高分子科学与工程系,合肥230026
摘要:
用溶胀后的聚二甲基硅氧烷弹性印章进行毛细微模塑,得到了 聚苯乙烯丙酮溶液的微四方点阵图案. 较少的PS溶液滴加量会造成孤 立不相连的微点阵图形. 同时还获得了由于在收缩过程中各部分溶剂 挥发速度不一造成的特殊的微点阵图案.
关键词:  毛细微模塑,溶胀,聚二甲基硅氧烷,弹性印章
DOI:10.1360/cjcp2006.19(6).527.3
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