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首页> 外文会议>The 3rd International Symposium on Material Chemistry in Nuclear Environment (Material Chemistry '02 MC'02) Mar 13-15, 2002 Tsukuba >MICROFABRICATION OF CROSSLINKED PTFE
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MICROFABRICATION OF CROSSLINKED PTFE

机译：交联PTFE的微细化

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摘要

Microfabrication of crosslinked polytetrafluoroethylene (PTFE) using synchrotron radiation (SR) has been demonstrated for production of micro-components applicable to radiation fields. The method of microfabrication was readily capable of obtaining a microstructure with aspect-ratio of 25 made of crosslinked PTFE. The etching rate of crosslinked PTFE was higher than that of non-crosslinked PTFE. The results show that the etching rate of crosslinked PTFE depends only on the degree of crosslinking. The effect of molecular motion on etching process was discussed from temperature dependence on etching rate. Moreover, in order to examine whether any change of chemical structures and crystallinity would be induced by SR-irradiation on PTFE, SR-irradiated PTFE was measured by NMR spectroscopy and DSC analysis. The results showed that the crosslinking reaction of PTFE would be induced by SR-irradiation in the solid state.
机译：使用同步加速器辐射（SR）对交联聚四氟乙烯（PTFE）进行微细加工已被证明可生产适用于辐射领域的微组件。微细加工的方法容易获得纵横比为25的由交联PTFE制成的微结构。交联聚四氟乙烯的刻蚀速率高于非交联聚四氟乙烯。结果表明，交联PTFE的蚀刻速率仅取决于交联度。从温度对刻蚀速率的依赖性讨论了分子运动对刻蚀过程的影响。此外，为了检查在聚四氟乙烯上进行SR辐照是否会引起化学结构和结晶度的任何变化，通过NMR光谱和DSC分析测量了SR辐照的PTFE。结果表明，固态SR辐射将引起PTFE的交联反应。

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