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MICROPATTERNING OF POROUS POLYMER STRUCTURES
Conference proceeding

MICROPATTERNING OF POROUS POLYMER STRUCTURES

Wei Zhang, Min Li, Chaosheng Wang, Jack G. Zhou and Donggang Yao
PROCEEDINGS OF THE ASME INTERNATIONAL MANUFACTURING SCIENCE AND ENGINEERING CONFERENCE, 2012, pp 987-993
01 Jan 2012

Abstract

Engineering, Mechanical Nanoscience & Nanotechnology Science & Technology Science & Technology - Other Topics Engineering Technology
In contrast to the immense literature in porous material generation, micropatterning of porous devices remains a technical challenge. In this study, a new process for micropatterning of porous structures with a controllable morphology was developed and investigated. This process combines polymer melt blending, hot embossing, and in mold annealing for geometrical pattern transfer and simultaneous morphological control. A special effort was made to generate a microgroove pattern with an open pore structure. Parametric experimental studies were conducted on stamps with different feature sizes under different processing conditions. The results demonstrated the feasibility and the versatility of the proposed technique in fabricating micropatterned porous structures. By varying the geometrical and boundary conditions during in mold annealing, micropatterns with graded porous structures were demonstrated.

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Web of Science research areas
Engineering, Mechanical
Nanoscience & Nanotechnology
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