# US 11,027,532 B2 · Laminate

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,027,532 B2
- Document ID: US11027532B2
- Status: Granted
- Kind: B2
- Application number: 15/580,459
- Filed: 2016-06-13
- Published: 2018-06-21
- Granted: 2021-06-08
- Earliest claimed: 2015-06-11
- Assignees: LG Chem, Ltd.
- Applicants: LG Chem, Ltd.
- Inventors: Eun Young Choi; Se Jin Ku; Sung Soo Yoon; No Jin Park; Jung Keun Kim; Je Gwon Lee; Mi Sook Lee
- Web page: https://patentgrep.com/patent/US11027532B2

## CPC

- C08J 7/042: {with two or more layers, where at least one layer of a composition contains a polymer binder}
- B05C 1/00: Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating (B05C5/02, B05C7/00 take precedence)
- B05C 11/00: Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00 (means for manipulating or holding work B05C13/00; enclosures for apparatus, booths B05C15/00; spray booths B05B16/00)
- 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 27/302: {comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers}
- B81C 1/0038: {Processes for creating layers of materials not provided for in groups B81C1/00357 - B81C1/00373}
- B81C 1/00626: {Processes for achieving a desired geometry not provided for in groups B81C1/00563 - B81C1/00619}
- C08F 212/08: Styrene
- C08J 7/04: Coating
- C08J 7/0427: {with only one layer of a composition containing a polymer binder (with more layers C08J7/042)}
- C09D 153/00: Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- G03F 7/00: Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor (using photoresist structures for special production processes, see the relevant places, e.g. B44C, H10P76/00, H05K)
- B82Y 40/00: Manufacture or treatment of nanostructures
- C08J 2453/00: Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29)
- B05C: APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (spraying apparatus, atomising apparatus, nozzles B05B; plant for applying liquids or other fluent materials to objects by electrostatic spraying B05B5/08)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B81C: PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS (making microcapsules or microballoons B01J13/02; processes or apparatus specially adapted for the manufacture or treatment of piezoelectric, electrostrictive or magnetostrictive elements per se H10N30/01)
- 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)
- 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)
- B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES

## Abstract

The present application relates to a laminate, a method for preparing same and a use of the laminate. The present application can provide a method for forming a film, which comprises a self-assembled block copolymer, to have excellent uniformity in thickness even when the film is formed over a large area, a laminate comprising a polymer film formed by means of the method, and a use of same.

## Claims

### Claim 1

A method for manufacturing a laminate, the laminate comprising a substrate and a polymer film, the method comprising:
coating a coating liquid on a substrate at a coating speed of 10 mm/sec to 100 mm/sec using a coating means;
annealing the coating liquid to form a polymer film,
wherein the coating liquid comprising a block copolymer dissolved in a solvent having a boiling point in a range of 90° C. to 200° C.,
wherein the coating speed is a moving speed of the substrate relative to the coating means, or a moving speed of the coating means relative to the substrate, and
wherein the coating of the coating liquid is performed by a bar coating method.

### Claim 2 (depends on 1)

The method for manufacturing a laminate according to claim 1, wherein the solvent is toluene, xylene, PGMEA, cyclopentanone, DMF, DMSO, or anisole.

### Claim 3 (depends on 1)

The method for manufacturing a laminate according to claim 1, wherein the block copolymer in the solvent has a concentration in a range of 2% by weight to 30% by weight.

### Claim 4 (depends on 1)

The method for manufacturing a laminate according to claim 1, wherein the coating of the coating liquid is performed by the bar coating method, and wherein the bar coating method is performed by using a bar having a wet film thickness in a range of 0.5 μm to 18 μm.

### Claim 5 (depends on 1)

The method for manufacturing a laminate according to claim 1, wherein the coating is performed in a roll-to-roll manner.

### Claim 6 (depends on 1)

The method for manufacturing a laminate according to claim 1, further comprising:
forming a neutral layer on the surface of the substrate prior to coating the coating liquid.

### Claim 7 (depends on 1)

A method for forming a pattern, comprising:
selectively removing any one block of the block copolymer from the polymer film of the laminate manufactured according to the method of claim 1.

### Claim 8 (depends on 1)

The method for manufacturing a laminate according to claim 1, wherein the block copolymer is polystyrene-b-polymethyl methacrylate, polystyrene-b-polyvinyl pyridine, polystyrene-b-polydimethylsiloxane, polystyrene-b-polyethylene oxide or polystyrene-polyisoprene.