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  1. No Access

    Article

    Solvent activity coefficients at infinite dilution in polystyrene-hydrocarbon systems from inverse gas chromatography

    Inverse gas chromatography was used to measure activity coefficients of solvents at infinite dilution over a temperature range from 373.15K to 423.15 K for monodisperse polystyrene-hydrocarbon systems. Polystyren...

    Nam-Hyung Kim, Bong-Goo Choi, Joong-So Choi in Korean Journal of Chemical Engineering (1996)

  2. No Access

    Article

    Prediction of activities of solvents in concentrated copolymer solutions

    A gas Chromatographic method was used to measure the activities of solvents for solvent/poly(vinylchloride : vinylacetate=88:12, wt%) systems in the temperature range from 398.15 K to 438.15 K. The solvents we...

    Nam Hyung Kim, Sung Jun Kim, Yong Sik Won… in Korean Journal of Chemical Engineering (1998)

  3. No Access

    Article

    Swelling equilibria of polymeric hydrogels containing poly(acrylamidesodiumallylsulfonate-acrylic acid)

    The superabsorbent poly(AM-SAS-AA)s were synthesized to improve the water absorption capacities in comparison with the poly(AM-SAS) by an aqueous solution polymerization method from acrylamide (AM), sodium all...

    Nam-Hyung Kim, Tae Hyung Lee, Joong So Choi in Korean Journal of Chemical Engineering (2000)