# US 2017/0285808 A1 · Composition for forming touch panel electrode protective film, transfer film, transparent laminate, protective film for touch panel electrode and method for forming same, capacitive input device, and image display device

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- Number: US 2017/0285808 A1
- Document ID: US20170285808A1
- Status: Published application
- Kind: A1
- Application number: 15/623,693
- Filed: 2017-06-15
- Published: 2017-10-05
- Earliest claimed: 2015-02-26
- Assignees: FUJIFILM Corporation
- Applicants: FUJIFILM Corporation
- Inventors: Takashi ARIDOMI; Kentaro TOYOOKA
- Web page: https://patentgrep.com/patent/US20170285808A1

## CPC

- G03F 7/027: Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds (G03F7/075 takes precedence)
- B32B 3/08: characterised by added members at particular parts {(layer formed of separate pieces of material which are juxtaposed side-by-side B32B3/14, B32B3/18)}
- B32B 7/06: permitting easy separation
- B32B 7/12: using interposed adhesives or interposed materials with bonding properties
- B32B 17/06: comprising glass as the main or only constituent of a layer, next to another layer of a specific {material}
- B32B 23/08: of synthetic resin
- B32B 27/06: as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08)}
- B32B 27/08: of synthetic resin
- B32B 27/16: specially treated, e.g. irradiated
- B32B 27/18: characterised by the use of special additives
- B32B 27/30: comprising vinyl {(co)polymers; comprising acrylic (co)polymers}
- B32B 27/308: {comprising acrylic (co)polymers}
- B32B 27/325: {comprising polycycloolefins}
- B32B 27/36: comprising polyesters
- B32B 27/365: {comprising polycarbonates}
- C08F 265/04: on to polymers of esters
- C08F 265/06: Polymerisation of acrylate or methacrylate esters on to polymers thereof
- C09D 4/06: {Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond} in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
- C09D 7/40: Additives
- C09D 133/02: Homopolymers or copolymers of acids; Metal or ammonium salts thereof
- C09D 201/00: Coating compositions based on unspecified macromolecular compounds
- G03F 7/033: the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
- G03F 7/038: Macromolecular compounds which are rendered insoluble or differentially wettable (G03F7/075 takes precedence; macromolecular azides G03F7/012; macromolecular diazonium compounds G03F7/021)
- G03F 7/0388: {with ethylenic or acetylenic bands in the side chains of the photopolymer}
- G03F 7/095: having more than one photosensitive layer (G03F7/075 takes precedence)
- G03F 7/11: having cover layers or intermediate layers, e.g. subbing layers {(G03F7/091 - G03F7/093, B41N3/03 take precedence)}
- G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads}
- G06F 3/0443: {using a single layer of sensing electrodes}
- G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes}
- B32B 2255/20: Inorganic coating
- B32B 2255/205: Metallic coating
- B32B 2255/26: Polymeric coating
- B32B 2255/28: Multiple coating on one surface
- B32B 2264/105: Metal
- B32B 2307/30: having particular thermal properties
- B32B 2307/4026: within the layer by addition of a colorant, e.g. pigments, dyes
- B32B 2307/412: Transparent
- B32B 2307/546: Flexural strength; Flexion stiffness
- B32B 2307/732: Dimensional properties
- B32B 2307/744: Non-slip, anti-slip
- B32B 2307/748: Releasability
- B32B 2457/202: LCD, i.e. liquid crystal displays
- B32B 2457/208: Touch screens
- C08F 220/1806: {C6-(meth)acrylate, e.g. (cyclo)hexyl (meth)acrylate or phenyl (meth)acrylate}
- C09D 133/04: Homopolymers or copolymers of esters {(C09D143/04 takes precedence)}
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
- G03F: PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR; (phototypographic composing devices B41B; photosensitive materials or processes for photographic purposes G03C; electrophotography, sensitive layers or processes therefor G03G)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

The composition contains a compound represented by Formula 1, a binder polymer, a photopolymerization initiator, and a monomer having a carboxy group, in which the content of the compound represented by Formula 1 is 5% by mass or more and less than 50% by mass with respect to the total mass of monomer components, and in Formula 1, Q1 and Q2 each represent a (meth)acryloyloxy group, and R1 represents a divalent linking group having a chain-like structure. Q2-R1-Q1 (1)

## Claims

### Claim 1

A composition for forming a touch panel electrode protective film, the composition comprising:
a compound represented by Formula 1 as Component A;
a binder polymer as Component B;
a photopolymerization initiator as Component C; and
a monomer having a carboxy group as Component D,
wherein the content of Component A is 5% by mass or more and less than 50% by mass with respect to the total mass of monomer components,
Q2-R1-Q1 (1)
in Formula 1, Q1 and Q2 each independently represent a (meth)acryloyloxy group, and R1 represents a divalent linking group having a chain-like structure.

### Claim 2 (depends on 1)

The composition for forming a touch panel electrode protective film according to claim 1, wherein R1 represents a divalent hydrocarbon group having 2 to 12 carbon atoms which has a chain-like structure.

### Claim 3 (depends on 1)

The composition for forming a touch panel electrode protective film according to claim 1, wherein the content of Component A is 10% to 40% by mass with respect to the total mass of the monomer components.

### Claim 4 (depends on 1)

The composition for forming a touch panel electrode protective film according to claim 1, wherein Component D is a (meth)acrylate compound having a carboxy group.

### Claim 5 (depends on 1)

The composition for forming a touch panel electrode protective film according to claim 1, wherein Component B is an acrylic resin having a carboxy group.

### Claim 6 (depends on 1)

A transfer film comprising:
a temporary support; and
a photosensitive transparent resin layer formed from the composition for forming a touch panel electrode protective film according to claim 1.

### Claim 7 (depends on 6)

The transfer film according to claim 6, further comprising:
a second transparent resin layer on the photosensitive transparent resin layer,
wherein the second transparent resin layer has higher refractive index than the photosensitive transparent resin layer.

### Claim 8 (depends on 1)

A transparent laminate comprising:
a touch panel electrode;
a second transparent resin layer disposed on the touch panel electrode; and
a photosensitive transparent resin layer disposed on the second transparent resin layer,
wherein the photosensitive transparent resin layer is a layer obtained by curing the composition for forming a touch panel electrode protective film according to claim 1, and
the refractive index of the second transparent resin layer is higher than the refractive index of the photosensitive transparent resin layer.

### Claim 9 (depends on 1)

A method for forming a protective film for a touch panel electrode, the method comprising:
providing a photosensitive transparent resin layer formed from the composition for forming a touch panel electrode protective film according to claim 1, on a base material having a touch panel electrode;
exposing at least a portion of the photosensitive transparent resin layer to actinic rays; and
developing the exposed photosensitive transparent resin layer, in this order.

### Claim 10 (depends on 6)

A method for forming a protective film for a touch panel electrode, the method comprising:
providing a photosensitive transparent resin layer on a base material having a touch panel electrode, using the transfer film according to claim 6;
exposing at least a portion of the photosensitive transparent resin layer to actinic rays; and
developing the exposed photosensitive transparent resin layer, in this order.

### Claim 11 (depends on 9)

A protective film for a touch panel electrode, which is produced by the method for forming a protective film for a touch panel electrode according to claim 9.

### Claim 12 (depends on 8)

A capacitive input device comprising:
the transparent laminate according to claim 8.

### Claim 13 (depends on 12)

An image display device comprising:
the capacitive input device according to claim 12 as a constituent element.