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    • 1. 发明申请
    • PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND ARTICLE THEREOF
    • 压敏粘合剂组合物及其制品
    • WO2017123488A1
    • 2017-07-20
    • PCT/US2017/012675
    • 2017-01-09
    • 3M INNOVATIVE PROPERTIES COMPANY
    • ZHANG, YunshuJIANG, XiaomingWANG, Shujun J.CHEN, Zhong
    • C09J4/06C09J133/06
    • C09J4/06C08F220/06C08F220/18C08L57/00C09J133/06
    • The present invention relates to a pressure-sensitive adhesive composition comprising an acrylate copolymer having a side carboxyl that is formed by a first monomer mixture containing a carboxyl-containing monomer, wherein, the content of the carboxyl-containing monomer is 0.1-10 wt. % based on the total weight of the first monomer mixture for forming the acrylate copolymer having the side carboxyl, the glass transition temperature Tg of the acrylate copolymer having the side carboxyl is larger than or equal to -55°C and less than or equal to -30°C. The pressure-sensitive adhesive composition further comprises 1-25 wt. % of an acrylate oligomer with a weight-average molecular weight greater than or equal to 20,000 Da and a glass transition temperature Tg greater than or equal to 25°C, and 1-20 wt. % of a terpene tackifying resin based on the total weight of the acrylate copolymer having the side carboxyl and the acrylate oligomer. The pressure-sensitive adhesive composition also has a high peel force at room temperature and a high cohesive force at high temperature and has excellent anti-warping and anti-bubbling properties
    • 本发明涉及一种压敏粘合剂组合物,其包含具有侧羧基的丙烯酸酯共聚物,该丙烯酸酯共聚物由含有含羧基单体的第一单体混合物形成,其中,羧基 - 含氟单体为0.1-10wt。 %,基于用于形成具有侧羧基的丙烯酸酯共聚物的第一单体混合物的总重量,具有侧羧基的丙烯酸酯共聚物的玻璃化转变温度Tg大于或等于-55℃且小于或等于 -30℃下的温度进行。 该压敏粘合剂组合物还包含1-25wt。 重量平均分子量大于或等于20,000Da且玻璃化转变温度Tg大于或等于25℃的丙烯酸酯低聚物,和1-20wt。 基于具有侧羧基和丙烯酸酯低聚物的丙烯酸酯共聚物的总重量的萜烯增粘树脂。 该压敏粘合剂组合物在室温下也具有高剥离力和在高温下高内聚力,并且具有优异的抗翘曲性和防起泡性。