Overcoat agent for electroconductive coating, insulating overcoat for electroconductive coating, and coating structure
AssigneeFujikura Kasei Co., Ltd.
InventorsYuka Azakami, Katsutomo Wakabayashi
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Abstract
An overcoat agent for a conductive coating film according to one aspect of the present invention is an overcoat agent to be applied onto a conductive coating film to form an insulating overcoat, the overcoat agent including a (meth)acrylic copolymer having a triblock structure composed of a first polymer block and two second polymer blocks that are different from the first polymer block and are respectively located on both end sides of the first polymer block.
Claims13
An overcoat agent to form an insulating overcoat, the overcoat agent comprising a (meth)acrylic copolymer having a triblock structure composed of a first polymer block and two second polymer blocks that are different from the first polymer block and are respectively located on both end sides of the first polymer block, wherein the each second polymer block includes a functional group-containing monomer unit selected from the group consisting of a carboxy group-containing monomer unit, a hydroxy group-containing monomer unit, and a glycidyl group-containing monomer unit, and wherein each of the two second polymer blocks has a glass transition temperature of 75° C. or higher.
An insulating overcoat formed from an overcoat agent comprising a (meth)acrylic copolymer having a triblock structure composed of a first polymer block and two second polymer blocks that are different from the first polymer block and are respectively located on both end sides of the first polymer block, wherein the each second polymer block includes a functional group-containing monomer unit selected from the group consisting of a carboxy group-containing monomer unit, a hydroxy group-containing monomer unit, and a glycidyl group-containing monomer unit, and wherein each of the two second polymer blocks has a glass transition temperature of 75° C. or higher.
A coating film structure comprising a conductive coating film and an insulating overcoat formed from an overcoat agent comprising a (meth)acrylic copolymer having a triblock structure composed of a first polymer block and two second polymer blocks that are different from the first polymer block and are respectively located on both end sides of the first polymer block, wherein the each second polymer block includes a functional group-containing monomer unit selected from the group consisting of a carboxy group-containing monomer unit, a hydroxy group-containing monomer unit, and a glycidyl group-containing monomer unit, and wherein each of the two second polymer blocks has a glass transition temperature of 75° C. or higher.
Dependencies are inferred from the claim text.