ACTIVE-ENERGY-RAY-CURABLE ADHESIVE COMPOSITION, LAMINATED POLARIZING FILM, METHOD FOR PRODUCING SAME, LAMINATED OPTICAL FILM, AND IMAGE DISPLAY DEVICE
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United States of America Patent
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May 9, 2019
app pub date -
Mar 6, 2017
filing date -
Mar 6, 2017
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Abstract
An active-energy-ray-curable adhesive composition comprises at least one or more radical polymerizable compounds. At the time of defining a total amount of the radical polymerizable compound(s) as 100% by weight, the composition comprises one or more alkyl (meth) acrylates (A) (each) having 10 to 20 carbon atoms in an amount of 15% or more by weight. The active-energy-ray-curable adhesive composition preferably comprises, as the alkyl (meth)acrylate(s) (A), an alkyl (meth)acrylate (A1) having 10 to 14 carbon atoms, and an alkyl (meth)acrylate (A2) having 15 to 20 carbon atoms. A ratio by weight of the component (A1) to the component (A2) (A1/A2) is preferably from 1.0/9.0 to 4.0/6.0.
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