Laminate comprising polyolefin elastic film layer

    公开(公告)号:US10118372B2

    公开(公告)日:2018-11-06

    申请号:US14723585

    申请日:2015-05-28

    IPC分类号: B32B27/32 B32B5/02 B32B27/12

    摘要: Disclosed is a laminate comprising at least one polyolefin elastic film layer and at least one substrate layer; the polyolefin elastic film having the following properties: (1) an average integrated enthalpy sum of no greater than 17 J/g, preferably between about 5-17 J/g, according to the Thermal Analysis Method defined herein; (2) an average integrated enthalpy ratio of from 0.6 to 300, preferably 0.8 to 300, still preferably 1.0 to 300, according to the Thermal Analysis Method defined herein; and (3) an unload stress at 75% strain of above 0.8 MPa according to the Hysteresis Test defined herein; and wherein the laminate has a normalized load force/normalized unload force ratio at 75% strain of 1 to 2.6 according to the Hysteresis Test defined herein.

    LAMINATE COMPRISING POLYOLEFIN ELASTIC FILM LAYER
    10.
    发明申请
    LAMINATE COMPRISING POLYOLEFIN ELASTIC FILM LAYER 审中-公开
    包覆聚烯烃弹性薄膜层的层压板

    公开(公告)号:US20150352819A1

    公开(公告)日:2015-12-10

    申请号:US14723585

    申请日:2015-05-28

    摘要: Disclosed is a laminate comprising at least one polyolefin elastic film layer and at least one substrate layer; the polyolefin elastic film having the following properties: (1) an average integrated enthalpy sum of no greater than 17 J/g, preferably between about 5-17 J/g, according to the Thermal Analysis Method defined herein; (2) an average integrated enthalpy ratio of from 0.6 to 300, preferably 0.8 to 300, still preferably 1.0 to 300, according to the Thermal Analysis Method defined herein; and (3) an unload stress at 75% strain of above 0.8 MPa according to the Hysteresis Test defined herein; and wherein the laminate has a normalized load force/normalized unload force ratio at 75% strain of 1 to 2.6 according to the Hysteresis Test defined herein.

    摘要翻译: 公开了包含至少一个聚烯烃弹性膜层和至少一个基底层的层压体; 聚烯烃弹性膜具有以下特性:(1)根据本文定义的热分析方法,平均积分焓和不大于17J / g,优选约5-17J / g; (2)根据本文定义的热分析方法,平均整体焓比为0.6至300,优选为0.8至300,更优选为1.0至300; 和(3)根据本文定义的滞后试验,在75MPa应变高于0.8MPa的卸载应力; 并且其中根据本文定义的滞后试验,层压板具有在75%应变为1至2.6的标准化载荷力/归一化卸载力比。