Fabrication of large, robust nanomembranes from diverse, cross-linked polymeric materials
Fabrication of large, robust nanomembranes from diverse, cross-linked polymeric materials
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DOI：
10.1021/ma062850q
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发表时间：
2007-03-06
期刊：
影响因子：
5.5
通讯作者：
Kunitake, Toyoki
中科院分区：
文献类型：
--
作者：
Watanabe, Hirohmi;Ohzono, Takuya;Kunitake, Toyoki
讨论了用交联有机大分子制备坚固、独立的纳米膜和开发有用的底层聚合物的方法。宏观上坚固、独立的纳米膜可以从各种紧密交联的有机聚合物中获得。制备过程在环境条件下采用溶液法进行，除了最终固化外，前驱体材料只需要与这种温和的条件相容。纳米膜的机械强度是通过胀形试验来测量的，而拉伸应力和极限伸长率则是通过在金属板上的小孔上对膜施加气压来测量的。这些膜的杨氏模量分别由应变诱导弹性屈曲不稳定性机械测量（SIEBIMM）技术确定，该技术利用屈曲不稳定性。
The fabrication of robust, free-standing nanomembranes from cross-linked organic macromolecules and development of useful underlayer polymer are discussed. Macroscopically robust, free-standing nanomembranes became available from a variety of densely cross-linked organic polymers. The fabrication procedure is conducted by the solution process under ambient conditions, and precursor materials need to be compatible only with such moderate conditions except for final curing. The mechanical strength of nanomembranes was measured by the bulging test, while the tensile stress and ultimate elongation of the nanomembrane can be measured by applying air pressure to a membrane attached onto a small hole of a metal plate. Young's modulus of these membranes was determined separately by the strain-induced elastic buckling instability for mechanical measurements (SIEBIMM) technique, which utilizes buckling instability.