Articles with polyurethane resin having memory shape characteristics and method of utilizing same
作者： Kouzi Hourai , Katsuhiko Ikegami , Yoshio Kobayashi
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摘要: A thermoplastic or thermoset article, a porous sheet, paint composition, and synthetic leather which are characterized with memory shape healable characteristics comprising polyurethane resin obtained by reacting polyisocyanate aromatic and/or alicyclic polyol is disclosed. The comprises at least 15% weight in total of ring component derived from the above polyol. original (memorized) article sheet reshaped into another desired form below 130° C., locked 40° C. Those material can be reverted back to their heating memorized as an changed maintaining it temperature 130°˜230° When scratched creased its surface, they healed
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