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    • 83. 发明申请
    • ADHESIVE COMPOSITION FOR LABELS
    • 粘合剂组合物
    • US20110319549A1
    • 2011-12-29
    • US13255217
    • 2010-03-29
    • Ryouji OdaSadaharu Hashimoto
    • Ryouji OdaSadaharu Hashimoto
    • C09J153/02
    • C09J153/02C08L53/02C08L2205/02C08L2205/03C08L2666/24
    • Provided is an adhesive composition for labels, which can be easily applied at a relatively low temperature and has satisfactory die cutting properties so that the adhesive composition can contribute to an improvement of the productivity of labels, and which is capable of producing labels having excellent holding power and tackiness. There is disclosed an adhesive composition for labels comprising: a block copolymer A represented by the following general formula (A); a polymer C, which is a polymer having a glass transition temperature of −30° C. or lower, or a block copolymer that has a polymer block having a glass transition temperature of −30° C. or lower at an end of the polymer chain; and a tackifier resin D. Ar1a-Da-Ar2a  (A), in the general formula (A), Ar1a represents an aromatic vinyl polymer block having a weight average molecular weight of 6,000 to 20,000; Ar2a represents an aromatic vinyl polymer block having a weight average molecular weight of 22,000 to 400,000; and Da represents a conjugated diene polymer block having a vinyl bond content of 1 mol % to 20 mol %.
    • 提供一种用于标签的粘合剂组合物,其可以在相对低的温度下容易地施加并且具有令人满意的模切性能,使得粘合剂组合物可以有助于提高标签的生产率,并且能够产生具有优异保持性的标签 力量和粘性。 公开了一种用于标签的粘合剂组合物,其包含:由以下通式(A)表示的嵌段共聚物A; 聚合物C,其为玻璃化转变温度为-30℃以下的聚合物,或者在聚合物的末端具有玻璃化转变温度为-30℃以下的聚合物嵌段的嵌段共聚物 链; 和增塑剂树脂D.Ar1a-Da-Ar2a(A)在通式(A)中,Ar1a表示重均分子量为6000〜20000的芳族乙烯基聚合物嵌段; Ar2a表示重均分子量为22,000〜40万的芳族乙烯基聚合物嵌段; 和Da表示乙烯基键含量为1mol%至20mol%的共轭二烯聚合物嵌段。
    • 85. 发明授权
    • Acrylic adhesives for metal bonding applications
    • 用于金属粘合应用的丙烯酸粘合剂
    • US07776963B2
    • 2010-08-17
    • US11120789
    • 2005-05-03
    • Xiaobin WangDaniel K. DoePatricia M. SavoryKenneth A. Lambert
    • Xiaobin WangDaniel K. DoePatricia M. SavoryKenneth A. Lambert
    • C09J9/00C09J4/02C09J11/06C09J11/08C09J133/06C09J153/02C09J5/04
    • C09J4/00
    • Adhesive formulations having acrylate monomer or methacrylate monomer, or mixtures thereof, and having a reducing agent and an initiator (e.g., peroxide). The formulations may include a chelating agent solution to improve storage stability and other properties. Further, the mole ratio of the initiator to the reducing agent may be adjusted to control weight loss of the adhesives during cure. Polyvinyl acetate or its derivatives may also be employed in the adhesive formulations to reduce weight loss during cure. Moreover, certain embodiments of the formulations include a toughening-agent copolymer having a glass transition temperature (of at least one domain) that is lower than −50° C. (−58° F.). These toughening-agent copolymers may be added to the adhesive formulations to improve impact strength and other properties of the cured adhesives at lower temperatures, e.g., −40° C. (−40° F.), while maintaining performance of the cured adhesives at higher temperatures, e.g., 82° C. (180° F.).
    • 具有丙烯酸酯单体或甲基丙烯酸酯单体或其混合物并具有还原剂和引发剂(例如过氧化物)的粘合剂制剂。 制剂可以包括螯合剂溶液以改善储存稳定性和其它性质。 此外,可以调节引发剂与还原剂的摩尔比,以控制固化期间粘合剂的重量损失。 聚乙酸乙烯酯或其衍生物也可用于粘合剂制剂中以减少固化过程中的体重减轻。 此外,制剂的某些实施方案包括具有低于-50℃(-58°F)的玻璃化转变温度(至少一个结构域)的增韧剂共聚物。 这些增韧剂共聚物可以添加到粘合剂配方中,以在较低的温度例如-40℃(-40°F)下改善固化的粘合剂的冲击强度和其它性能,同时保持固化的粘合剂的性能 较高的温度,例如82°C(180°F)。