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    Double-sided pressure-sensitive adhesive tape
    2.
    发明授权
    Double-sided pressure-sensitive adhesive tape 有权

    公开(公告)号：US11787981B2

    公开(公告)日：2023-10-17

    申请号：US17734180

    申请日：2022-05-02

    申请人： DIC CORPORATION

    发明人： Daisuke Watanabe ,  Takamine Sugiura ,  Akira Yamakami

    IPC分类号： B32B43/00 ,  C09J7/38 ,  C09J11/04

    CPC分类号： C09J7/385 ,  B32B43/006 ,  C09J7/383 ,  C09J11/04 ,  C09J2301/414 ,  C09J2415/00 ,  C09J2433/00 ,  C09J2493/00 ,  Y10T156/1168

    摘要： The invention relates to a method for peeling a pressure-sensitive adhesive tape including: a pressure-sensitive adhesive layer. The pressure-sensitive adhesive tape has a thickness greater than 150 μm and smaller than 1,500 μm, an elongation at break of 600% to 3,000%, and a stress at break of 2.5 to 80.0 MPa. According to the invention, the conformity and the adhesion with respect to an adherend, particularly, a hard adherend, are excellent, and excellent re-peeling properties are obtained, so that the pressure-sensitive adhesive tape can be stretched and peeled off in a horizontal direction, without necessity for embrittling the pressure-sensitive adhesive tape by heating or by using an organic solvent or the like or without remaining of the pressure-sensitive adhesive on the adherend, in a case of peeling the pressure-sensitive adhesive tape.

    ADHESIVE TAPE FOR USE WITH PAINTS HAVING LOW OR NO VOLATILE ORGANIC COMPOUNDS
    4.
    发明申请
    ADHESIVE TAPE FOR USE WITH PAINTS HAVING LOW OR NO VOLATILE ORGANIC COMPOUNDS 审中-公开
    胶带用于含有低挥发性有机化合物的油漆

    公开(公告)号：US20150140329A1

    公开(公告)日：2015-05-21

    申请号：US14294546

    申请日：2014-06-03

    申请人： SHURTAPE TECHNOLOGIES, LLC

    发明人： Nilufer Tanrikulu ,  Windy Kathalikkatil

    IPC分类号： C09J7/02 ,  C09J193/04 ,  C09J5/00 ,  C09J7/04

    CPC分类号： C09J193/04 ,  C09J7/21 ,  C09J7/38 ,  C09J121/00 ,  C09J133/06 ,  C09J2201/122 ,  C09J2203/31 ,  C09J2400/283 ,  C09J2421/00 ,  C09J2433/00 ,  C09J2493/00 ,  Y10T428/28 ,  Y10T428/2839 ,  Y10T428/2848 ,  Y10T428/2852

    摘要： An adhesive tape comprising a substrate having a top surface and a bottom surface, and an adhesive applied to the top or the bottom surface of the substrate. The adhesive comprises a tackifying resin. The tackifying resin comprises a rosin resin, a rosin resin derivative, a terpene resin, a heat reactive phenolic resin, a petroleum-based resin, or a combination thereof. Rosin resin derivatives include a rosin ester, a rosin metal salt, a hydrogenated rosin ester, a partially hydrogenated rosin, or a combination thereof. In another aspect, the adhesive is a pressure sensitive adhesive, and the adhesive tape is a masking tape. The adhesive tape is particularly suitable for adhesion to surfaces painted with paint having low or no volatile organic compounds.

    摘要翻译： 一种胶带，包括具有顶表面和底表面的基底，以及施加到基底的顶表面或底表面的粘合剂。 粘合剂包括增粘树脂。 增粘树脂包括松香树脂，松香树脂衍生物，萜烯树脂，热反应性酚醛树脂，石油基树脂或其组合。 松香树脂衍生物包括松香酯，松香金属盐，氢化松香酯，部分氢化松香或其组合。 在另一方面，粘合剂是压敏粘合剂，并且胶带是遮蔽胶带。 粘合带特别适用于涂覆有具有低挥发性有机化合物或不挥发性有机化合物的涂料的表面。

    Processs for producing pressure-sensitive adhesive tape
    6.
    发明授权
    Processs for producing pressure-sensitive adhesive tape 失效
    用于生产压敏粘合带的方法

    公开(公告)号：US5145718A

    公开(公告)日：1992-09-08

    申请号：US797466

    申请日：1991-11-22

    申请人： James J. Pedginski ,  Ronald B. Birkholz

    发明人： James J. Pedginski ,  Ronald B. Birkholz

    IPC分类号： B05D3/04 ,  B05D5/10 ,  C09J7/02

    CPC分类号： B05D5/10 ,  C09J7/025 ,  C09J7/0264 ,  B05D2201/02 ,  B05D2252/10 ,  B05D2401/20 ,  B05D3/0413 ,  C09J2201/618 ,  C09J2205/114 ,  C09J2421/00 ,  C09J2423/046 ,  C09J2423/106 ,  C09J2425/006 ,  C09J2427/006 ,  C09J2433/005 ,  C09J2453/006 ,  C09J2467/006 ,  C09J2493/00

    摘要： A tape comprising a biaxially-oriented backing made from a polymeric film bearing on one major surface thereof a layer of pressure-sensitive adhesive and on the other major surface thereof a layer of low-adhesive backsize composition. The backing and the layer of pressure-sensitive adhesive intermix so as to form a commingled layer between them. This invention also provides a process of preparing pressure-sensitive adhesive tape comprising the steps of (1) providing an extruded polymeric film backing, (2) orienting said backing in the machine direction, (3) applying a low-adhesive backsize layer to one major surface of said backing, (4) applying a pressure-sensitive adhesive layer to the major surface of said backing not bearing the low-adhesion backsize layer, (5) orienting the layer-bearing backing in the transverse direction by heating and cross-stretching the layer-bearing backing, (6) winding the machine direction oriented, transverse direction oriented, layer-bearing backing onto a roll, and (7) optionally, converting the machine direction oriented, transverse direction oriented, layer-bearing backing to form a tape.

    摘要翻译： 一种包含双轴取向背衬的胶带，其由在一个主表面上的聚合物膜承载一层压敏粘合剂，在另一个主表面上具有一层低粘度的背胶组合物。 背衬和压敏粘合剂层混合，以便在它们之间形成混合层。 本发明还提供一种制备压敏粘合带的方法，包括以下步骤：（1）提供挤出的聚合物膜背衬，（2）沿机器方向定向所述背衬，（3）将低粘度的背胶层施加到一个 所述背衬的主表面，（4）将压敏粘合剂层施加到所述背衬的主表面上，而不承受低粘度背板，（5）通过加热和交叉方向使层承载背面沿横向定向， 拉伸层承载背衬，（6）将机器方向取向的横向定向的层承载背衬卷绕到辊上，和（7）可选地，将机器方向取向的横向定向的层承载背衬转换成 磁带

    PRESSURE-SENSITIVE ADHESIVE TAPE
    7.
    发明公开
    PRESSURE-SENSITIVE ADHESIVE TAPE 审中-公开

    公开(公告)号：US20240287359A1

    公开(公告)日：2024-08-29

    申请号：US18573705

    申请日：2022-07-04

    申请人： DENKA COMPANY LIMITED

    发明人： Akiyoshi KIMURA ,  Yoshiaki YAMAMOTO ,  Daisuke YOSHIMURA

    IPC分类号： C09J153/02 ,  C09J7/38

    CPC分类号： C09J153/025 ,  C09J7/387 ,  C09J2301/16 ,  C09J2301/302 ,  C09J2301/312 ,  C09J2301/408 ,  C09J2301/414 ,  C09J2301/50 ,  C09J2453/00 ,  C09J2493/00

    摘要： An adhesive tape includes an adhesive layer containing an adhesive composition, wherein: the adhesive composition contains a styrene-butadiene-based block copolymer and first, second, and third tackifiers; a butadiene portion of the styrene-butadiene-based copolymer is partially hydrogenated; a content of a styrene-derived monomer unit of the styrene-butadiene-based copolymer is 24 mass % or more; in GPC measurement, the styrene-butadiene-based copolymer contains a component (a) having a peak top molecular weight of between 200000 and 400000, and a component (b) having a peak top molecular weight of between 100000 and 200000; the first tackifier is a terpene-based resin which is liquid at 23° C.; the second tackifier has a softening point of 70 to 120° C.; the third tackifier is a terpene phenolic resin having a softening point of 140° C. or higher; and the adhesive tape includes a nonwoven fabric coated with the adhesive composition by hot-melt coating, the nonwoven fabric containing rayon.