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    • 95. 发明申请
    • POLYURETHANE FOAM
    • 聚氨酯泡沫
    • US20140128491A1
    • 2014-05-08
    • US14127091
    • 2012-12-28
    • SMP Technologies Inc.
    • Shunichi Hayashi
    • C08G18/48
    • C08G18/4829C08G18/18C08G18/22C08G18/4812C08G18/4825C08G18/7621C08G2101/0008C08G2101/0083C08G2280/00C08G2350/00
    • A polyurethane foam having excellent shape-following properties, which exhibits favorable comfort when worn on the human body, both during movement and at rest. The polyurethane foam contains a toluene diisocyanate and a polyether polyol as the main components, has a glass transition temperature, defined as the temperature corresponding with the peak value of the loss tangent, of not less than 0° C. and not more than 40° C., and in the temperature range from not less than 0° C. to not more than 40° C., the loss tangent in the frequency range from not less than 0.1 Hz to not more than 100 Hz is 0.4 or greater, and the average value of the loss tangent in the frequency range from not less than 0.1 Hz to not more than 1 Hz is not greater than the average value of the loss tangent in the frequency range from not less than 10 Hz to not more than 100 Hz.
    • 具有优异的形状跟随特性的聚氨酯泡沫体,其在运动和静止时都佩戴在人体上时具有良好的舒适性。 聚氨酯泡沫体含有甲苯二异氰酸酯和聚醚多元醇作为主要成分,其玻璃化转变温度定义为与损耗角正切对应的温度,不低于0℃,不超过40℃ 在不低于0℃至不超过40℃的温度范围内,在0.1Hz至不超过100Hz的频率范围内的损耗角正切为0.4或更大,以及 不小于0.1Hz至1Hz的频率范围内的损耗角正切的平均值不得大于10Hz至不超过100Hz的频率范围内的损耗角正切的平均值 。