# US 7,744,994 B2 · Coating composition, coated article and a method to manufacture the same

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- Number: US 7,744,994 B2
- Document ID: US7744994B2
- Status: Granted
- Kind: B2
- Application number: 11/091,774
- Filed: 2005-03-29
- Published: 2005-10-13
- Granted: 2010-06-29
- Earliest claimed: 2004-03-30
- Assignees: Coveright Surfaces Holding GmbH
- Inventors: Yo-Bu Huang
- Web page: https://patentgrep.com/patent/US7744994B2

## CPC

- B05D 1/18: performed by dipping
- B05C 3/125: {the work being a web, band, strip or the like}
- B05C 11/041: {characterised by means for positioning, loading, or deforming the blades}
- B05D 1/42: by non-rotary members
- C09D 5/02: Emulsion paints {including aerosols}
- C09D 5/024: {characterised by the additives}
- C09D 7/43: Thickening agents
- C09D 7/61: inorganic
- D06N 3/0056: {characterised by the compounding ingredients of the macro-molecular coating (D06N3/005 takes precedence)}
- D06N 3/0063: {Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds}
- D21H 19/36: Coatings with pigments (D21H19/66 takes precedence; metal powder D21H19/06)
- B05D 2252/02: of indefinite length
- C08K 3/34: Silicon-containing compounds
- Y10T 428/25: Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T 428/251: Mica
- Y10T 428/259: Silicic material
- B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02)
- 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)
- 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)
- D06N: WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D21H: PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The invention pertains to a coating composition, a coated material formed therewith, and a method for coating the material with the coating composition.

## Claims

### Claim 1

A coating composition comprising two or more pigments, at least one organic binder, and at least one thickener, wherein the coating composition has an absolute viscosity of 6000 to 30000 mPas; and wherein the coating composition comprises 55-70%, by weight, solids; and
wherein the coating composition comprises a phyllosilicate or a phyllosilicate-comprising clay as a first pigment and an inosilicate or an inosilicate-comprising clay as a second pigment.

### Claim 2 (depends on 1)

A coating composition according to claim 1 which has a shear thinning index of at least 3.

### Claim 3 (depends on 1)

A coating composition according to claim 1, wherein the coating composition has a degree of thixotropy of from 0.8 to 1.5.

### Claim 4 (depends on 1)

The coating composition according to claim 1, wherein the solid content of the coating composition comprises 84.5-95%, by weight, pigment, 4.5-15%, by weight, organic binder and 0.025-0.5%, by weight, thickener.

### Claim 5 (depends on 1)

The coating composition according to claim 1, further comprising a cross-linker for said organic binder.

### Claim 6 (depends on 1)

The coating composition according to claim 1, wherein the second pigment is added in an amount equal to ⅓ to ⅔ of the weight of the first pigment.

### Claim 7 (depends on 1)

The coating composition according to claim 1, further comprising at least one additive selected from the group consisting of biocides, dispersing agents and additional pigments.

### Claim 8 (depends on 1)

A coating composition according to claim 1, wherein the coating composition has an absolute viscosity of 6,000 to 15,000 mPas.

### Claim 9 (depends on 1)

A coating composition according to claim 1, wherein the coating composition has an absolute viscosity of 8,000 to 15,000 mPas.

### Claim 10 (depends on 1)

A coating composition according to claim 1, wherein the coating composition has an absolute viscosity of 15,000 to 18,000 mPas.

### Claim 11 (depends on 1)

A coating composition according to claim 1, wherein the coating composition comprises 60-62% by weight solids.

### Claim 12 (depends on 1)

A coating composition according to claim 1, wherein the thickener is chosen from polyurethanes, hydrophilip clay gellants, xanthan gum, hydroxyethyl cellulose, hydroxypropyl cellulose, methyl cellulose, hydroxypropyl cellulose, and acryl based compounds.

### Claim 13 (depends on 1)

A coating composition according to claim 1, wherein the thickener is chosen from hydrophilic clay gellants, acrylic alkali soluble emulsions, and polyurethanes.

### Claim 14

A coating composition comprising at least one pigment, at least one organic binders and at least one thickener,
wherein the coating composition has an absolute viscosity of 6000 to 30000 mPas,
wherein the coating composition comprises 55-70% by weight solids and
wherein the composition comprises a styrene-polyacrylate binder, diiodomethyl p-tolyl sulfone, brown tint, a sodium polyacrylate disperant, wollastonite, kaolinite or a kaolinite-comprising clay and an acrylic alkali soluble emulsion.

### Claim 15 (depends on 14)

A coated article comprising a shell material, wherein the shell material has been coated with a coating composition according to claim 14.

### Claim 16

A coating composition comprising at least one pigment, at least one organic binder, and at least one thickener,
wherein the coating composition has an absolute viscosity of 6000 to 30000 mPas,
wherein the coating composition comprises 55-70% by weight solids and
wherein the composition comprises a styrene-polyacrylate binder, a hydrophilic clay gellant, diiodomethyl p-tolyl sulfone, a sodium polyacrylate disperant, wollastonite, talc and an acrylic alkali soluble emulsion.

### Claim 17 (depends on 16)

A coated article comprising a shell material, wherein the shell material has been coated with a coating composition according to claim 16.

### Claim 18

A coating composition comprising at least one pigment, at least one organic binder, and at least one thickener,
wherein the coating composition has an absolute viscosity of 6000 to 30000 mPas,
wherein the coating composition comprises 55-70% by weight solids and
wherein the composition comprises kaolinite or a kaolinite-comprising clay and wollastonite as first and second pigments, polyurethane as a thickener, a styrene-polyacrylate emulsion as a binder and diiodomethyl p-tolyl sulfone, a sodium salt of a polyacrylate, ink oxide and carbon black as additives.

### Claim 19 (depends on 18)

A coated article comprising a shell material, wherein the shell material has been coated with a coating composition according to claim 18.

### Claim 20

A coated article comprising a shell material, wherein the shell material has been coated with a coating composition comprising two or more pigments, at least one organic binder, and at least one thickener, wherein the coating composition has an absolute viscosity of 6000 to 30000 mPas; wherein the coating composition comprises 55-70%, by weight, solids, and
wherein the coating composition comprises a phyllosilicate or a phyllosilicate-comprising clay as a first pigment and an inosilicate or an inosilicate-comprising clay as a second pigment.

### Claim 21 (depends on 20)

A coated article according to claim 20 comprising a shell material and a coating composition which has a shear thinning index of at least 3.

### Claim 22 (depends on 20)

A coated article according to claim 20, wherein the coating composition has a degree of thixotropy of from 0.8 to 1.5.

### Claim 23 (depends on 20)

A coated article according to claim 20, wherein the solid content of the coating composition comprises 84.5-95%, by weight, pigment, 4.5-15%, by weight, organic binder and 0.025-0.5%, by weight, thickener.

### Claim 24 (depends on 20)

A coated article according to claim 20, wherein the second pigment is added in an amount equal to ⅓ to ⅔ of the weight of the first pigment.

### Claim 25 (depends on 20)

A coated article according to claim 20, further comprising at least one additive selected from a group consisting of biocides, dispersing agents and additional pigments.

### Claim 26 (depends on 20)

A coated article according to claim 20, comprising a coating composition and a shell comprising a fibrous web.

### Claim 27 (depends on 20)

A coated article according to claim 20, wherein the coating composition has an absolute viscosity of 6,000 to 15,000 mPas.

### Claim 28 (depends on 20)

A coated article according to claim 20, wherein the coating composition has an absolute viscosity of 8,000 to 15,000 mPas.

### Claim 29 (depends on 20)

A coated article according to claim 20, wherein the coating composition has an absolute viscosity of 15,000 to 18,000 mPas.

### Claim 30 (depends on 20)

A coated article according to claim 20, wherein the coating composition comprises 60-62% by weight solids.

### Claim 31 (depends on 20)

A coated article according to claim 20, wherein the thickener is chosen from polyurethanes, hydrophilic clay gellants, xanthan gum, hydroxyethyl cellulose, hydroxypropyl cellulose, methyl cellulose, hydroxypropyl cellulose, and acryl based compounds.

### Claim 32 (depends on 20)

A coated article according to claim 20, wherein, the thickener is chosen from hydrophilic clay gellants, acrylic alkali soluble emulsions, and polyurethanes.