《Table 1 Physical properties of the star-like PEO membranes》

《Table 1 Physical properties of the star-like PEO membranes》   提示:宽带有限、当前游客访问压缩模式
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《H_2/CO_2 Gas Transport Performance in Poly(Ethylene Oxide) Reverse-selective Membrane with Star-like Structures》


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Various structures and performance of the star-like PEO membranes were readily prepared by changing the content of the cross-linker PET4A.The effects of the cross-linker PET4A content on some physical properties are presented in Table 1.The density in Table1 was tested at 25℃.It indicated that the density of the PET4A/PEGMEA-XX membrane was systematically increased with the increase of the cross-linker PET4A content.The d-spacing has been widely used to characterize the inter-segmental distance.The value of d-spacing calculated by WAXD characterization is given in Table 1.It indicated that the average intersegmental distance was increased with the increase of the cross-linker PET4A content due to the formation of multi-armed and star-like structure based on the multifunctional cross-linker.