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    Sheet for protecting paint films of automobiles
    5.
    发明授权
    Sheet for protecting paint films of automobiles 失效
    用于保护汽车漆膜的片材

    公开(公告)号：US6030702A

    公开(公告)日：2000-02-29

    申请号：US728900

    申请日：1996-10-10

    申请人： Komaharu Matsui ,  Takeshi Eda ,  Hiroshi Ueda ,  Mitsuyoshi Shirai ,  Kenji Sano ,  Mitsuru Horada ,  Naoyuki Nishiyama

    发明人： Komaharu Matsui ,  Takeshi Eda ,  Hiroshi Ueda ,  Mitsuyoshi Shirai ,  Kenji Sano ,  Mitsuru Horada ,  Naoyuki Nishiyama

    IPC分类号： C08L23/20 ,  C09J7/02 ,  C09J123/20

    CPC分类号： C09J7/0246 ,  C08L23/20 ,  C09J2203/306 ,  Y10T428/28 ,  Y10T428/2883

    摘要： A sheet for protecting paint films of automobiles for adhering to the incompletely cured paint films of automobiles comprising two pack urethane paint, the sheet comprising a support and a pressure-sensitive adhesive layer formed thereon, wherein the sheet has a Young's modulus E of at least 75 N/mm.sup.2 and a coefficient of flexural stress k represented by the formula k=Eh.sup.3 wherein h is a thickness of the support, of 0.035 or less. The protective sheet can uniformly protect the paint films and easily be peeled and removed therefrom without causing environmental problems and adhesive remaining of the pressure-sensitive adhesive layer. Even when the sheet is adhered to incompletely cured paint films of automobiles and they are allowed to stand for a long period of time under an outside high temperature in summer, the sheet does not cause the deformation of the paint film and the microdeformations by the deformation of the paint film at the edge portion of the pressure-sensitive adhesive layer. The protective sheet can be reserved in a roll state without causing the change of form by, for example, a telescope phenomenon.

    摘要翻译： 一种用于保护汽车漆膜以粘附到不完全固化的汽车漆膜的片材，其包括两个包装氨基甲酸酯涂料，该片材包含支撑体和形成在其上的压敏粘合剂层，其中该片材的杨氏模量E至少为 75N / mm 2，并且由公式k = Eh3表示的弯曲应力k，其中h是载体的厚度，为0.035或更小。 保护片可以均匀地保护漆膜，并且容易地剥离并除去，而不会引起环境问题，并且粘合剂层残留粘合剂。 即使当片材附着在汽车的未完全固化的漆膜上，并且在夏天的外部高温下允许长时间放置时，片材不会引起漆膜的变形和变形的微变形 在压敏粘合剂层的边缘部分处的漆膜。 保护片可以保持在滚动状态，而不会由于例如望远镜现象而导致形状的改变。

    Sheet for protecting paint films of automobiles
    8.
    发明授权
    Sheet for protecting paint films of automobiles 有权
    用于保护汽车漆膜的片材

    公开(公告)号：US06395390B1

    公开(公告)日：2002-05-28

    申请号：US09406815

    申请日：1999-09-28

    申请人： Tsuyoshi Inoue ,  Kenichi Shibata ,  Kenji Sano ,  Akira Wakabayashi ,  Keiji Hayashi ,  Shuuji Sugimoto ,  Komaharu Matsui ,  Takeshi Eda ,  Hiroshi Ueda

    发明人： Tsuyoshi Inoue ,  Kenichi Shibata ,  Kenji Sano ,  Akira Wakabayashi ,  Keiji Hayashi ,  Shuuji Sugimoto ,  Komaharu Matsui ,  Takeshi Eda ,  Hiroshi Ueda

    IPC分类号： C09J704

    CPC分类号： C09J7/04 ,  B32B7/12 ,  B32B27/12 ,  C09J7/21 ,  C09J7/29 ,  C09J2201/28 ,  C09J2203/306 ,  C09J2400/263 ,  C09J2453/00 ,  Y10T428/28 ,  Y10T442/2738 ,  Y10T442/2746 ,  Y10T442/2754

    摘要： A sheet for protecting paint films of automobiles which can prevent the paint film of automobiles from suffering from damages such as discoloration and denaturation even if rainwater or washer penetrates into the gap between the adhesive cover and the paint film while achieving excellent protection function to suspended matters, colliding matters, etc. inherent to protecting sheets and being easily peeled off and removed after completion of the desired protection. The sheet for protecting paint films of automobiles comprises a pressure-sensitive adhesive layer having a roughened surface provided on a substrate made of fiber sheet. Even when rainwater, washer, etc. penetrates into the gap between the pressure-sensitive adhesive layer and the paint film of automobiles from wrinkles formed thereon, the liquid diffuses by capillary action through the gap developed by the roughened pressure-sensitive adhesive layer, making it possible to avoid the residence and concentration of the penetrated dirty water and hence prevent the occurrence of damages such as discoloration and denaturation of the paint film. Further, the arrangement of a pressure-sensitive adhesive layer having a roughened surface reflecting the fiber constituting the protecting sheet, particularly a fibrous continuous roughened surface, makes it possible to further diffuse the contaminating dirty water and hence further avoid the retention and concentration of the penetrated dirty water. Thus, the damages on the paint film can be more securely prevented.

    摘要翻译： 一种用于保护汽车漆膜的片材，即使雨水或垫片渗透到胶粘剂盖和漆膜之间的间隙中也能够防止汽车漆膜遭受损坏，例如变色和变性，同时对悬浮物实现优异的保护功能 ，碰撞物等，以保护片材，并在完成所需保护之后容易地剥离和除去。 用于保护汽车漆膜的片材包括设置在由纤维片制成的基材上的具有粗糙表面的压敏粘合剂层。 即使雨水，洗涤器等渗透到压敏粘合剂层和汽车漆膜之间的间隙中，由于毛孔作用而通过由粗糙化的压敏粘合剂层形成的间隙而扩散， 可以避免渗透的脏水的滞留和浓缩，从而防止出现诸如漆膜的变色和变性的损害。 此外，具有反映构成保护片的纤维的粗糙表面的压敏粘合剂层的布置，特别是纤维连续粗糙化表面，使得可以进一步扩散污染的污水，因此进一步避免了保留和保留 渗透脏水。 因此，可以更可靠地防止漆膜上的损伤。