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Effect of Thermo and Stretching Treatment on The Performance of Poly(4-Methyl-1-pentene) Hollow Fiber Membrane

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PDF文件

關(guān)鍵詞：

Poly(4-Methyl-1-pentene) Hollow Fiber

資料大?。?/td>

400K

所屬學科：

分子表征

來源：

2005年新型纖維與聚合物材料國際學術(shù)會議（10.19-10.21，上海）

簡介：

Poly(4-methyl-1-pentene)(PMP)hollowfiberswerepreparedtofabricatemicroporousmembranesbyMelt-SpunandCold-Stretched(MSCS)method.Theeffectofthermo-andstretchingtreatmentonthemorphologiesandperformanceofthefiberswereinvestigated.ScanningElectronicMicroscope(SEM)photoswasusedtorevealthegeometricstructureofthesectionandsurfaceofthehollowfibers.Itwasfoundthattheoriginalfibercomposedasandwichasymmetricstructure.A“sandwich”modeisusedtodescribetheformationofthisphenomenon.Then,aseriesofPMPhollowfibermembraneswerepreparedbysubsequentdrawinganditwasfoundthattherewasa“skin-core”structureonthecross-sectionofthesehollowfibermembranes.Gas(oxygen,nitrogenandcarbondioxide)permeationpropertiesoftheresultedmembraneweremeasured.

作者：

Jianli Wang Youyi Xu Jianbing Ji Kejian Yao Xiaomei Yu

上傳時間：

2007-08-14 16:40:11

下載次數(shù)：

597

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