Skip to main content

and
  1. Article

    The Thermal and Mechanical Properties and the Ionic Conductivity of Cationic Polyurethane Elastomers with Pendant Trimethylammonium Group

    A series of cationic polyurethane (PU) elastomers with pendant ammonium group, different polyether chains, and different content of ionic groups were prepared by nonsolvent technique. NCO-terminated prepolymer...

    Kyoko Hiraoka, Masafumi Takesue, Tetsuo Yokoyama in Polymer Journal (2004)

  2. No Access

    Article

    Hydration of poly(acrylic acid) lithium salts

    Drying and water uptake of poly(acrylic acid) lithium salts with different degrees of neutralization were studied. Though the equilibrium water uptake increased with increasing neutralization %, the slope of t...

    Kyoko Hiraoka, Tetsuo Yokoyama in Polymer Bulletin (1980)

  3. No Access

    Article

    Hydration of poly(acrylic acid) potassium salts

    Drying and water uptake of poly(acrylic acid) potassium salts with different degrees of neutralization were studied. The slowing down of drying speed in solid state was not due to Tg but due to the difficulty ...

    Kyoko Hiraoka, Masatoshi Gotanda, Tetsuo Yokoyama in Polymer Bulletin (1980)

  4. No Access

    Article

    Hydration of poly(acrylic acid) sodium salts

    Drying and water uptake of poly(acrylic acid) sodium salts with different degrees of neutralization were studied. The slowing down of drying speed in solid state was not due to Tg but due to the difficulty of ...

    Kyoko Hiraoka, Tetsuo Yokoyama in Polymer Bulletin (1980)