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Novel copoly (phthalazinone biphenyl ether ketone) (PPBEK) superfine fibrous membrane was successfully fabricated through electrospinning, and characterized by SEM, DSC, TGA and tensile test. The solution concentration of PPBEK suited for electrospinning was 0.10–0.30gmL−1, and the average diameter of PPBEK fibers increased obviously with the increase of solution concentration. The electrospun PPBEK...
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