Gas-assisted low temperature bonding of polymeric micro/nanostructures

Yong Yang*, L. James Lee

*此作品的通信作者

研究成果: Paper同行評審

摘要

Polymer-based biomedical micro/nanodevices containing environmentally sensitive biomolecules are attracting increased interest. A critical requirement is the ability to assemble these devices at low temperatures in order to minimize denaturization. Studies of polymer thin films revealed that the properties at the polymer surface differed from those in the bulk. It was found that glass transition temperatures (T g) at the polymer-air surface was substantially lower than the bulk T g and increased toward the bulk value with depth from the surface. Subcritical CO 2 could enhance the chain mobility and greatly depress T g near the surface. Benefiting from this, we successfully demonstrated low temperature bonding of polymeric micro/nanostructures. The original micro/nanostructures are perfectly preserved after bonding.

原文English
頁面22-25
頁數4
出版狀態Published - 2005
事件Society of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005 - Boston, MA, United States
持續時間: 1 5月 20055 5月 2005

Conference

ConferenceSociety of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005
國家/地區United States
城市Boston, MA
期間1/05/055/05/05

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