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Citation: JIN Bang-Kun, YAN Yun-Fei, WU Xiao-Song, HE Ping-Sheng, QIAN Yi-Tai, XIA You-Nan. Making Microstructure with “Micromolding in Capillaries”[J]. Chinese Journal of Applied Chemistry, ;2003, 20(1): 1-5. shu

Making Microstructure with “Micromolding in Capillaries”

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a Department of Polymer Science and Engineering, Hefei 230026;
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b Department of Chemistry, University of Science and Technology of China, Hefei 230026;
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c Department of Chemistry, University of Washington, Seattle, WA 98195-170, USA

Corresponding author: HE Ping-Sheng,
Received Date: 17 January 2002
Available Online: 10 May 2002
Fund Project: 国家自然科学基金(20174038) (20174038)国家杰出青年基金(B59928202)资助项目 (B59928202)

The content of the hardener in the poly(dimethylsiloxane)(PDMS) system, which is usually used to make elastomeric stamp for "soft lithography", is optimized by using a resin curometer. It is found that when the the content of the hardener B is between 2.5%~3.0%, the PDMS system has the optimum curing rate and the best elastic property. Stamps made from the above PDMS system were used to make microstructures by "Micromolding in Capillaries(MIMIC)" technique. Reactions occurred between K₂CO₃ and CuSO₄ in capillaries and crystallization in the limited spaces of capillary were observed. Microlines are produced from CuSO₄ and sodium benzoate, also from polyamic acid and polyethylene glycol
- soft lithography,
- micromolding in capillary,
- microstructure,
- elastomeric stamp,
- poly (dimethylsilo-xane)
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