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    • 8. 发明授权
    • Article having thermal recovery property
    • 具有热回收性能
    • US4820782A
    • 1989-04-11
    • US938917
    • 1986-12-08
    • Keiji Ueno
    • Keiji Ueno
    • C08F283/00
    • C08F283/006Y10S524/921
    • A shaped article having a thermal recovery property comprising a urethane resin composition, wherein said urethane resin composition comprises 100 parts by weight of a thermoplastic urethane resin and from 0.1 to 50 parts by weight of at least one polyfunctional monomer selected from the group consisting of trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, and triacrylformal, said composition is irradiated with electron beams or gamma-rays for a total dose of from 3 to 50 Mrad, subsequently deformed at a temperature not lower than the softening point of said composition, and then cooled to a temperature lower than said softening point while maintaining the deformed shape of said resin composition.
    • 一种具有热回收性质的成型制品,其包含聚氨酯树脂组合物,其中所述聚氨酯树脂组合物包含100重量份的热塑性聚氨酯树脂和0.1至50重量份的至少一种选自三羟甲基丙烷的多官能单体 三丙烯酸酯,三羟甲基丙烷三甲基丙烯酸酯和三丙烯酰胺,所述组合物用电子束或γ射线照射总剂量为3至50Mrad,随后在不低于所述组合物的软化点的温度下变形,然后冷却至 温度低于所述软化点,同时保持所述树脂组合物的变形形状。