高分子材料研究方法凝膠色譜法-免費閱讀
【正文】 Chap 6 Gel Chromatography Background Principles of Gel Chromatography Data Treatment Applications on Polymers FieldFlow Fraction (FFF) Technique GPC ? 1860~1930: porous materials have adsorptionseparation function (especially for dye) ? 1940~1970: appearance of Liquid Chromatography ? 1964: The first GPC produced by Waters pany ? 1970: HPLC （ rapid test 、 good separation effects、less sample、 more sensitive） 。 New technology of HPLC applied in GPC area Background Background ? Significance of Molecular Weight Distribution (MWD) ? Statistic Average Molecular Weight ? Expressions of MWD ? Measurement of MWD Relation between molecular weight and properties of polymer Statistic Average Molecular Weight ? Numberaverage Molecular Weight ? Weightaverage Molecular Weight Statistic Average Molecular Weight ? Zaverage Molecular Weight ? Viscosityaverage Molecular Weight Expressions of MWD ? Parameters ? Breadth parameter of molecular weight distribution: variance and standard deviation between different molecular weights and the average molecular weight ? Polydispersity index of molecular weight: Expressions of MWD ? Graphic Methods ? Discrete distribution curves ? Continual dis
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