Method of laminating gas permeable sheet material
    5.
    发明授权
    Method of laminating gas permeable sheet material 失效
    气体透过片材的层压方法

    公开(公告)号:US06355135B1

    公开(公告)日:2002-03-12

    申请号:US08669840

    申请日:1996-06-26

    IPC分类号: C09J502

    摘要: A method of laminating at least two gas permeable sheet materials includes: (1) providing at least a first gas permeable sheet material, wherein at least a portion of at least a surface region of the first sheet material is thermoplastic material; (2) providing at least a second gas permeable sheet material of polytetrafluoroethylene; (3) superposing the sheet materials; and (4) contacting the sheet materials with a heating means to heat the thermoplastic material to a temperature from 140° to 230° C., so as to melt the thermoplastic material and laminate the sheet materials to one another, without the application of direct pressure in the thickness direction of the sheet materials during the contacting step so as to form a gas permeable laminate.

    摘要翻译: 层压至少两种透气性片材的方法包括:(1)提供至少第一透气片材料,其中第一片材材料的至少一个表面区域的至少一部分是热塑性材料; (2)提供聚四氟乙烯的至少第二透气性片材; (3)叠加片材; 和(4)使片材与加热装置接触以将热塑性材料加热至140℃至230℃的温度,以便熔化热塑性材料并将片材彼此层压,而不需要直接 在接触步骤期间片材的厚度方向上的压力以形成透气性层压体。