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Temperature-risiag elution fractionation (tref) is a technique for obtaining fractions based on short-chain branch content versus molecular weight (96). On account of the more than four days of sample preparation required, stepwise isothermal segregation (97) and solvated thermal analysis fractionation (98) techniques usiag variatioas of differeatial scanning calorimetry (dsc) techniques have been developed. [Pg.149]

See other pages where Stepwise isothermal segregation is mentioned: [Pg.205] [Pg.220] [Pg.205] [Pg.220]