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Laminate including adhesive layer and method for producing same

A technology of adhesive layer and laminated body, applied in the direction of lamination, adhesives, adhesive products, etc., can solve problems such as uneven light

Active Publication Date: 2016-11-16
KOZA NOVEL MATERIALS KOREA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, when the printed part is formed on the conductive glass laminated with the transparent conductive film, the reinforcing material, or the decorative film, if the adhesive layer and the transparent conductive film are laminated on the printed part, there will be a difference in the height of the printed part. Height differences, so unevenness of light is generated at these height differences

Method used

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  • Laminate including adhesive layer and method for producing same
  • Laminate including adhesive layer and method for producing same
  • Laminate including adhesive layer and method for producing same

Examples

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preparation example Construction

[0058] In another example of the present invention, there is provided a method for preparing a laminate, the preparation method comprising the steps of: forming a printed portion on a substrate; and applying an adhesive in a manner of filling the printed portion The composition is then subjected to a step of curing to form a composite first adhesive layer comprising a printed portion and a bonded portion.

[0059] The above-mentioned laminate can be produced by the above-mentioned production method.

[0060] When the said adhesive composition is apply|coated, the said adhesive composition is apply|coated to the said base material and the said printing part so that the upper surface of the said composite 1st adhesive bond layer may become a flat surface.

[0061] The detailed description of the above-mentioned binder composition is as above.

[0062] The said adhesive composition can be hardened|cured by light-curing, such as UV, and an adhesive part can be formed. The above-...

Embodiment 1

[0070] Will contain 2-ethylhexyl acrylate (2-EHA, Ethyl Hexyl acylate), isobornyl acrylate (IBOA, ISOBONYL ACRYLATE), hydroxyethyl acrylate (HEA, Hydroxy Ethyl Acrylate), photoinitiator, curing agent and The adhesive composition of other additives was applied to the printed PET film to form an adhesive portion with a thickness of 100 μm so as to sufficiently cover the printed portion with a thickness of 35 μm and the upper surface was flat, and then the adhesive was applied. A laminate formed with a composite first adhesive layer was prepared by passing through a UV-type curing oven.

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Abstract

The present invention provides a laminate including a composite first adhesive layer formed by filling a printed portion with an adhesive portion. The above-mentioned laminate can eliminate unevenness caused by height differences, can reduce its thickness, can be produced through a simple process, and can eliminate problems caused by poor bonding.

Description

technical field [0001] The present invention relates to a laminate comprising an optically clear adhesive layer and a method of making the same. Background technique [0002] Recently, electronic devices such as personal digital assistants (PDAs), mobile phone terminals or vehicle navigation devices have formed a huge market. In such an electronic device, when a touch panel or a touch panel switch is provided in the input operation portion, a transparent conductive plastic film is used for reasons of weight reduction and prevention of fragility. For example, a polyethylene terephthalate (PET, Polyethylene terephthalate) film is used as a base material, and a transparent conductive film formed with a conductive layer of indium tin oxide (Indium Tin Oxide, ITO) or the like is provided on one side of the film. The conductive film is laminated to conductive glass, reinforcing material or decorative film, etc. through an adhesive layer. At this time, when a printed part is form...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B7/12B32B27/08B32B27/18B32B37/12C09J7/22C09J7/30
CPCB32B37/12B32B38/145C09J4/00B32B2457/208B32B2309/105B32B2037/1253B32B2310/0831B32B27/08B32B27/18B32B2307/40B32B7/06B32B27/26B32B27/281B32B27/283B32B27/308B32B27/36B32B27/40B32B3/08B32B2270/00B32B2307/202B32B2307/4023B32B2307/412B32B2307/748B32B2457/00C09J2203/318C09J2400/143C09J2433/00C09J2433/006C09J2475/006C09J2479/086G06F1/1637G06F3/041G06F2203/04103C09J7/22C09J7/30Y10T428/1476Y10T428/24802Y10T428/24926B32B7/12C09J2301/204C09J2301/302B32B2255/26B32B2405/00C09J133/08C09J2433/003C09J2467/005
Inventor 尹灿午金章淳朴成灿曹荣成金庚兑朴恩敬郑富基金源镐
Owner KOZA NOVEL MATERIALS KOREA CO LTD