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    • 80. 发明申请
    • HOOK AND LOOP FASTENERS
    • 钩和圈紧固件
    • WO1995003169A1
    • 1995-02-02
    • PCT/US1994008442
    • 1994-07-26
    • VELCRO INDUSTRIES B.V.
    • VELCRO INDUSTRIES B.V.DONARUMA, L., GuyLACOMBE, Lawrence, E.ROCHA, Gerald, F.
    • B32B03/06
    • D06N3/0093A44B18/0069Y10T24/2758Y10T428/23979Y10T428/23986Y10T428/23993Y10T428/24017
    • A hook or loop component of a hook and loop fastener having a textile ground sheet (16) and filamentary pile, the ground sheet (16) penetrated by a resinous binder of improved properties. Hydrolytically stable cross-linked bonds are formed in a binder under ambient or laundering conditions. Bonds of urea-, ureido-, or urethane-type result from curing of the hook or loop ground sheet (16) by exposure to water molecules, polyfunctional amines, or polyfunctional alcohols. The resin is applied as a hot-melt, as a neat liquid, or as a solute in a solvent. In a method for applying the resin as a hot-melt, a continuous strip of hook or loop elements is heated to approximately the same temperature as the melted resin and the melted resin is applied, using a coating head and coating knife, to a section of tape suspended between two support points. Other cross-link systems and thermoplastic systems are disclosed.
    • 具有织物接地片(16)和丝状绒头的钩环紧固件的钩或环部件,所述接地片(16)被具有改进性能的树脂粘合剂贯穿。 在环境或洗涤条件下,在粘合剂中形成水解稳定的交联键。 通过暴露于水分子,多官能胺或多官能醇,可以通过钩或环底片(16)的固化得到脲,脲基或氨基甲酸酯型的结合物。 树脂作为热熔体,纯净液体或溶剂中的溶质施加。 在将树脂作为热熔胶施加的方法中,将连续的钩或环元件条加热到与熔融树脂大致相同的温度,并且使用涂覆头和涂布刀将熔融的树脂施加到部分 胶带悬挂在两个支撑点之间。 公开了其它交联体系和热塑性体系。