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  1. 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)

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    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

    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)