Water-dispersed pressure-sensitive adhesive composition, pressure-sensitive adhesive and pressure-sensitive adhesive sheet
    151.
    发明授权
    Water-dispersed pressure-sensitive adhesive composition, pressure-sensitive adhesive and pressure-sensitive adhesive sheet 有权
    水分散型压敏粘合剂组合物,压敏粘合剂和压敏粘合片

    公开(公告)号:US08541501B2

    公开(公告)日:2013-09-24

    申请号:US13643455

    申请日:2012-04-24

    Abstract: Provided is a water-dispersed pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive that exhibits good adhesiveness to a non-polar adherend and maintains its properties at a low temperature. The water-dispersed pressure-sensitive adhesive composition according to the present invention comprises a (meth)acrylic polymer obtained by polymerizing a monomer composition containing as a primary component an alkyl (meth)acrylate having an alkyl group with 1 to 18 carbon atoms, a latex containing a rubber component that is immiscible with the (meth)acrylic polymer and has a loss tangent peak temperature of −5° C. or below when determined by a dynamic viscoelastic measurement in which shear strain is applied at a frequency of 1 Hz, and a tackifier that is miscible with the rubber component, but immiscible with the (meth)acrylic polymer.

    Abstract translation: 提供一种能够形成对非极性被粘物表现出良好粘合性并在低温下保持其性能的压敏粘合剂的水分散性压敏粘合剂组合物。 本发明的水分散型压敏粘合剂组合物包含通过使含有具有1至18个碳原子的烷基的(甲基)丙烯酸烷基酯作为主要成分的单体组合物聚合而获得的(甲基)丙烯酸类聚合物, 含有与(甲基)丙烯酸类聚合物不混溶的橡胶成分的胶乳,当通过动态粘弹性测定法测定时,其损耗角正切峰值温度为-5℃以下,其中以1Hz的频率进行剪切应变, 和与橡胶组分混溶但与(甲基)丙烯酸类聚合物不混溶的增粘剂。

    Pressure-sensitive adhesive composition having improved initial tack
    155.
    发明授权
    Pressure-sensitive adhesive composition having improved initial tack 有权
    具有改善的初始粘性的压敏粘合剂组合物

    公开(公告)号:US08410218B2

    公开(公告)日:2013-04-02

    申请号:US12670033

    申请日:2008-07-29

    Abstract: The present invention is directed to providing a pressure-sensitive adhesive with good initial tack and good adhesion at low temperature. Generally, the pressure-sensitive adhesive composition comprises (1) a carboxylic group-containing (meth)acrylic tacky polymer having a weight average molecular weight of less than 800,000 and a glass transition temperature of −100° C. to −30° C., and (2) an amino group-containing (meth)acrylic non-tacky polymer having a weight average molecular weight of from 30,000 to 100,000 and a glass transition temperature of 20° C. to 90° C. The amino group-containing (meth)acrylic non-tacky polymer (2) is present in an amount of no less than 1 parts by mass and less than 20 parts by mass on a basis of 100 parts by mass of said carboxylic group-containing (meth)acrylic tacky polymer (1).

    Abstract translation: 本发明涉及提供具有良好初始粘着性和低温粘合性的压敏粘合剂。 通常,压敏粘合剂组合物包含(1)重均分子量小于800,000,玻璃化转变温度为-100℃至-30℃的含羧基的(甲基)丙烯酸系粘合性聚合物。 ,(2)重均分子量为30,000〜100,000,玻璃化转变温度为20〜90℃的含氨基(甲基)丙烯酸系非粘着性聚合物。 基于100质量份所述含羧基的(甲基)丙烯酸系粘性聚合物(2),丙烯酸系非粘着性聚合物(2)的含量为1质量份以上且20质量份以下 (1)。

    ROLL BODY OF BAND-LIKE PATCH
    156.
    发明申请
    ROLL BODY OF BAND-LIKE PATCH 有权
    带状托盘的滚筒体

    公开(公告)号:US20130034677A1

    公开(公告)日:2013-02-07

    申请号:US13562617

    申请日:2012-07-31

    Abstract: Provided is a roll body of a band-like patch that can be held in a roll-like form without causing deviated rolling or unrolling, and can allow simple pulling out of a patch without causing stickiness on a person's hand or fingers when being pulled out. In the roll body of a band-like patch formed by rolling a band-like patch including a cloth support, a pressure-sensitive adhesive layer, and a release liner laminated in this order, at least one temporary attachment region in which a temporary attachment layer is formed and at least one grip region in which no temporary attachment layer is formed are provided at an interface between a back face of the cloth support and a back face of the release liner.

    Abstract translation: 提供一种带状贴片的卷体,其能够保持为卷状形状而不会产生偏斜的滚动或展开,并且可以允许简单地从贴片拉出而不会在拉出时在人的手或手指上引起粘性 。 在通过滚动包括依次层叠的布支撑体,粘合剂层和剥离衬垫的带状贴片形成的带状贴片的辊体中,至少一个暂时附着区域 并且在布支撑体的背面和剥离衬垫的背面之间的界面处设置有不形成临时附着层的至少一个抓握区域。

    TRANSPARENT FILM AND USE THEREOF
    160.
    发明申请
    TRANSPARENT FILM AND USE THEREOF 有权
    透明膜及其使用

    公开(公告)号:US20120231265A1

    公开(公告)日:2012-09-13

    申请号:US13383656

    申请日:2010-07-09

    Abstract: A transparent film, the back-face of which has excellent resistance to scratch and printability, and a surface protection film which has such a transparent film are provided. A transparent film 10 has a substrate layer 12 formed of a transparent resin material, and a back-face layer 14 with a thickness of 1 μm or less provided on a first face 12A thereof. A percent change in coefficient of friction Δμ is less than 10% for the transparent film 10 when the percent change is determined from a coefficient of friction μ50 of the back-face layer after being conserved at 50° C. and 15% RH for three days and a coefficient of friction μ80 of the back-face layer after being conserved at 80° C. and 80% RH for three days, with an absolute value of difference between the two coefficients of friction |μ80−μ50| being divided by the smaller value of the two coefficients of friction.

    Abstract translation: 其背面具有优异的耐擦伤性和可印刷性的透明膜,以及具有这种透明膜的表面保护膜。 透明膜10具有由透明树脂材料形成的基底层12和设置在其第一面12A上的厚度为1μm以下的背面层14。 当在50℃和15%RH保存后,背面层的摩擦系数μ50确定百分比变化时,透明膜10的摩擦系数Dgr;μ的百分比变化小于10% 在80℃和80%RH保存3天后,背面层的摩擦系数μ80为摩擦系数μ80,两摩擦系数之间的绝对值为|μ80-μ50| 除以两个摩擦系数的较小值。

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