# US 2013/0157025 A1 · Coating Systems

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

- Number: US 2013/0157025 A1
- Document ID: US20130157025A1
- Status: Published application
- Kind: A1
- Application number: 13/807,528
- Filed: 2011-06-28
- Published: 2013-06-20
- Earliest claimed: 2010-06-30
- Assignees: Wacker Chemie AG
- Inventors: Mohammed Sanaobar; Jürgen Bezler; Hermann Lutz
- Web page: https://patentgrep.com/patent/US20130157025A1

## CPC

- C09D 7/61: inorganic
- B05D 7/584: {at least some layers being let to dry, at least partially, before applying the next layer (B05D7/587 takes precedence)}
- B05D 7/586: {each layer being cured, at least partially, separately}
- C04B 28/02: containing hydraulic cements other than calcium sulfates
- C04B 28/06: Aluminous cements (monolithic refractories or refractory mortars C04B35/66)
- C09D 1/00: Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D 7/69: {Particle size larger than 1000 nm}
- C09D 123/0869: {Acids or derivatives thereof}
- E04D 7/00: Roof covering {exclusively consisting of} sealing masses applied in situ; Gravelling of flat roofs
- E04D 11/02: Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition (gravelling of flat roofs E04D7/00; venting or ventilation E04D13/17)
- C04B 2111/00482: {Coating or impregnation materials}
- C04B 2111/00586: {Roofing materials}
- C04B 2111/00612: {as one or more layers of a layered structure}
- C08K 3/013: Fillers, pigments or reinforcing additives
- C08K 3/26: Carbonates; Bicarbonates
- C08K 3/36: Silica
- C08L 23/0869: with unsaturated acids, e.g. [meth]acrylic acid; with unsaturated esters, e.g. [meth]acrylic acid esters
- C08L 2205/02: containing two or more polymers of the same C08L -group
- Y02W 30/91: Use of waste materials as fillers for mortars or concrete
- Y10T 428/24967: Absolute thicknesses specified
- Y10T 428/249974: Metal- or silicon-containing element
- Y10T 428/252: Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
- Y10T 428/259: Silicic material
- Y10T 428/31663: As siloxane, silicone or silane
- Y10T 428/31826: Of natural rubber
- Y10T 428/31909: Next to second addition polymer from unsaturated monomers
- Y10T 428/31924: Including polyene monomers
- Y10T 428/31928: Ester, halide or nitrile of addition polymer
- 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)
- B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02)
- C04B: LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE {(roofing granules E04D7/005)}; CERAMICS (devitrified glass-ceramics C03C10/00); REFRACTORIES; TREATMENT OF NATURAL STONE
- E04D: ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS (coverings of outer walls by plaster or other porous material E04F13/00)
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- Y02W: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The invention provides coating systems comprising a) a base layer, b) middle layer and c) top layer, whereby each of the layers a), b) and c) is based on mineral binder, filler, polymers from one or more ethylenically unsaturated monomers and optional further additives, and whereby the middle layer contains additionally light weight aggregates.

## Claims

### Claim 1

Coating systems comprising a) a base layer, b) a middle layer and c) a top layer, whereby each of the layers a), b) and c) is based on mineral binder, filler, polymers from one or more ethylenically unsaturated monomers and optional further additives, and whereby the middle layer contains additionally light weight aggregates.

### Claim 2 (depends on 1)

Coating systems according to claim 1, characterized in that one or more light weight aggregates are selected from the group comprising vermiculite, perlite, poraver glass beads, hollow glass spheres, natural lightweight aggregate, expanded clays, shales and sintered pulverised fuel ash.

### Claim 3 (depends on 1, 2)

Coating systems according to claim 1 or 2, characterized in that the polymers are applied in form of polymer compositions containing one or more polymers from ethylenically unsaturated monomers and one or more hydrophobicizing additives H) from the group comprising H1) fatty acids or fatty acid derivatives and H2) organosilicon compounds.

### Claim 4 (depends on 1, 2, 3)

Coating systems according to claims 1 to 3, characterized in that the polymers from ethylenically unsaturated monomers are based on one or more monomers from the group comprising vinyl esters of carboxylic acids having from 1 to 15 carbon atoms, methacrylic esters or acrylic esters of carboxylic acids with unbranched or branched alcohols having from 1 to 15 carbon atoms, olefins and dienes, vinylaromatics and vinyl halides.

### Claim 5 (depends on 1, 2, 3, 4)

Coating systems according to claims 1 to 4, characterized in that the fillers have average diameters of from 0.01 to 4 mm.

### Claim 6 (depends on 1, 2, 3, 4, 5)

Coating systems according to claims 1 to 5, characterized in that the formulation for the preparation of the base layer a) contains 5% to 25% by weight of one or more mineral binders, 10% to 30% by weight of one or more polymers, and 50% to 85% by weight of one or more fillers, and optionally 0.01% to 5% by weight of one or more additives, the amounts in % by weight in the formulation adding up to 100% by weight.

### Claim 7 (depends on 1, 2, 3, 4, 5, 6)

Coating systems according to claims 1 to 6, characterized in that the formulation for the preparation of the middle layer b) contains 30% to 70% by weight of one or more mineral binders, 0.1% to 10% by weight of one or more polymers, and 10% to 50% by weight of one or more light weight aggregates, 10% to 30% by weight of one or more fillers other than light weight aggregate, and optionally 0% to 5% one or more additives, the amounts in % by weight in the formulation adding up to 100% by weight.

### Claim 8 (depends on 1, 2, 3, 4, 5, 6, 7)

Coating systems according to claims 1 to 7, characterized in that the formulation for the preparation of the middle layer b) contains additionally one or more superfine fillers selected from the group comprising micro silica, silica flour and calcium carbonate.

### Claim 9 (depends on 1, 2, 3, 4, 5, 6, 7, 8)

Coating systems according to claims 1 to 8, characterized in that the formulation for the preparation of the top layer c) contains 35% to 50% by weight of one or more mineral binders, 1% to 5% by weight of one or more polymers and/or polymer compositions containing one or more hydrophobicizing additives H), and 40% to 60% by weight of one or more fillers, and optionally 0% to 5% by weight of one or more additives, the amounts in % by weight in the formulation adding up to 100% by weight.

### Claim 10 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9)

Coating systems according to claims 1 to 9, characterized in that at least one polymer of the top layer c) contains one or more monomer units selected from the group comprising vinyl chloride, vinyl ester and ethylene.

### Claim 11 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

Coating systems according to claims 1 to 10, characterized in that the thickness of the base layer a) is 0.1 to 1 cm, the thickness of the middle layer b) is 1 to 5 cm, the thickness of the top layer c) is 0.1 to 1 cm.

### Claim 12 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)

Coating systems according to claims 1 to 11, characterized in that the coating systems are roofing systems.

### Claim 13 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)

Processes for the preparation of the coating systems according to claims 1 to 12, characterized in that an underground is coated with one or more layers of coating agent a), upon which one or more layers of coating agent b) are applied, upon which one or more layers of coating agent c) are applied.