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The montmorillonite (MMT) was treated by polyvinyl pyrrolidone and hexadecyl quaternary ammonium salt respectively to get two kinds of montmorillonite with good intercalation written as PVP-MMT and HD-MMT, and then the ethylene-vinyl alcohol copolymer (EVOH) / PVP-MMT or HD-MMT nano-composites were prepared by dynamic melt blending. The phase morphology and the crystallization behavior of the nano-composites...
Polyimide nanofibers were obtained by electrospinning a solution of poly(amic acid)(PAA), a precursor of polyimide(PI) prepared in the laboratory, in dimethylacetamide(DMAc) at 14kV, followed by thermal imidization. Mechanical property of the resulting nanofiber non-woven membranes was investigated by tensile tests. Chemical structure and surface morphology of the non-woven mats were characterized...
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