OPTICAL LAMINATE, METHOD FOR PRODUCING THE SAME, AND POLARIZING PLATE AND IMAGE DISPLAY DEVICE USING THE SAME

摘要

PROBLEM TO BE SOLVED: To suppress occurrence of interference fringes and improve adhesiveness between an acrylic substrate and a primer layer in an optical laminate which comprises an acrylic substrate, a primer layer, and further a hard coat layer where necessary in this order and to provide a method for efficiently producing the optical laminate.SOLUTION: There is provided an optical laminate which comprises an acrylic substrate 1, a primer layer 2, and further a hard coat layer 3 where necessary in this order, wherein the primer layer 2 is a cured product of an ionizing radiation-curable resin composition A containing 50 to 100 mass% (solid content) of a polyalkylene glycol di(meth)acrylate, and there are provided a polarizing plate and an image display device using the same and a method for producing the same.