Fiber for artificial hair and head accessory product

    公开(公告)号:US12031240B2

    公开(公告)日:2024-07-09

    申请号:US17296280

    申请日:2019-11-15

    IPC分类号: D01F6/48 A41G3/00

    摘要: A fiber for artificial hair formed of a polyvinyl chloride-based resin composition. The fiber for artificial hair has a value X1 of a loss tangent tans at 70° C. of 0.06 or more and 0.12 or less, when dynamic viscoelasticity is measured under the following conditions, and has a peak in a temperature range of 90° C. or higher and 110° C. or lower. (Dynamic viscoelasticity measurement conditions) The measurement is performed by sandwiching a bundle of 40 fibers for artificial hair that are arranged at a heating rate of 4° C./min and a frequency of 1 Hz.

    Strength loss indicator for synthetic yarns
    8.
    发明申请
    Strength loss indicator for synthetic yarns 失效
    合成纱线强度损失指标

    公开(公告)号:US20080060179A1

    公开(公告)日:2008-03-13

    申请号:US11983660

    申请日:2007-11-13

    申请人: John Pedigo

    发明人: John Pedigo

    IPC分类号: D04H3/00

    摘要: A webbing formed of synthetic yarns having an indicator for indicating exposure to ultraviolet light which results in strength loss of said synthetic yarns. The strength loss indicator comprises a strip extending along at least a portion of the webbing. The strip includes a phosphorescent material that produces a glow when exposed to ultraviolet light. The phosphorescent material is adapted to lose its ability to produce a glow over time exposure to ultraviolet light. Advantageously, the ability to glow fades at a rate correlated to the rate of loss of tensile strength of said synthetic yarns due to ultraviolet light exposure to indicate the condition of the webbing.

    摘要翻译: 由合成纱线形成的织带,其具有用于指示暴露于紫外线的指示剂,这导致所述合成纱线的强度损失。 强度损失指示器包括沿织带的至少一部分延伸的条带。 该条带包括当暴露于紫外光时产生辉光的磷光材料。 磷光材料适于失去其在紫外光下随时间曝光产生辉光的能力。 有利地,以与由于紫外线曝光引起的所述合成纱线的拉伸强度的损失速率相关的速率相关联的速率的发光能力表明织带的状况。