Adhesive composition, adhesive layer, and adhesive sheet
    88.
    发明专利
    Adhesive composition, adhesive layer, and adhesive sheet 有权
    胶粘组合物,粘合剂层和粘合片

    公开(公告)号:JP2012041385A

    公开(公告)日:2012-03-01

    申请号:JP2010180960

    申请日:2010-08-12

    Abstract: PROBLEM TO BE SOLVED: To provide an adhesive composition that is capable of providing an adhesive layer in which titanium-based nanoparticles are stably dispersed, the adhesive layer having more enhanced mechanical properties, being excellent refractive index and being excellent adhesive force; and to provide an adhesive sheet or the like which uses the adhesive composition.SOLUTION: The adhesive composition is prepared so as to contain a (meth)acrylic polymer that contains, as a monomer component, 50 wt.% or more of a (meth)acrylate represented by CH=C(CR)COOR(wherein Rrepresents hydrogen or a methyl group; and Rrepresents a 1-20C unsubstituted or substituted alkyl group), has a weight-average molecular weight of 500,000-3,000,000 as determined by gel permeation chromatography, and does not substantially contain an acid component; an aromatic polymer that has a weight-average molecular weight of 200-900 as determined by gel permeation chromatography in an amount of 120-400 pts.wt. to 100 pts.wt. of the (meth)acrylic polymer; and titanium-based nanoparticles that have an average particle diameter of 5-100 nm in an amount of 150-600 pts.wt. to 100 pts.wt. of the (meth)acrylic polymer.

    Abstract translation: 要解决的问题:为了提供能够提供其中钛基纳米颗粒稳定分散的粘合剂层的粘合剂组合物,具有更强的机械性能的粘合剂层,具有优异的折射率和优异的粘合力; 并提供使用粘合剂组合物的粘合片等。 解决方案:制备粘合剂组合物以含有(甲基)丙烯酸类聚合物,其包含作为单体组分的50重量%或更多的由CH 2 = C(CR 1 )COOR 2 (其中R 1 表示氢或甲基; R“表示1-20C未取代或取代的烷基),其重均分子量为500,000-3,000,000作为 通过凝胶渗透色谱法测定,基本上不含有酸成分; 通过凝胶渗透色谱法测定的重量平均分子量为200-900的芳族聚合物,其量为120-400重量份。 到100磅 的(甲基)丙烯酸类聚合物; 和平均粒径为5-100nm的钛基纳米粒子,其量为150-600重量份。 到100磅 的(甲基)丙烯酸聚合物。 版权所有(C)2012,JPO&INPIT

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