Dehumidification at high temperature and high humidity by low-temperature regenerative polymers

UCST-type poly( N -acryloylglycinamide- co -acrylonitrile), which aggregates at a low temperature in aqueous solutions and dissolves at a high temperature, adsorbed moisture at high temperature (50 °C) and high humidity ( p / p 0 = 0.96), and the adsorbent was regenerated at a low temperature (5 °C) even at high humidity ( p / p 0 = 0.96). The thermoresponsible behavior was caused by the decrease in the glass transition temperature by the adsorbed water. Poly( N -acryloylglycinamide- co -acrylonitrile) adsorbed moisture at high temperature and was regenerated at low temperature, due to the decrease in the glass transition temperature by adsorbed water.