# US 11,078,376 B2 · Polyurethane coating compositions containing 1,1-di-activated vinyl compounds and related coatings and processes

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- Number: US 11,078,376 B2
- Document ID: US11078376B2
- Status: Granted
- Kind: B2
- Application number: 16/320,604
- Filed: 2017-07-26
- Published: 2019-05-30
- Granted: 2021-08-03
- Earliest claimed: 2016-07-26
- Assignees: PPG Industries Ohio, Inc.
- Applicants: PPG Industries Ohio, Inc.
- Inventors: Aditya Gottumukkala; Scott W. Sisco; David R. Fenn; Daniel F. Moyano; Kurt G. Olson; Matthew S. Luchansky; Richard J. Sadvary; Shiryn Tyebjee; Caroline S. Harris; Shanti Swarup
- Web page: https://patentgrep.com/patent/US11078376B2

## CPC

- C09D 175/04: Polyurethanes
- B05D 7/572: {all layers being cured or baked together}
- B05D 7/574: {at least some layers being let to dry at least partially before applying the next layer (B05D7/577 takes precedence)}
- C08G 18/4018: {Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48}
- C08G 18/4854: {Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group}
- C08G 18/6692: {with compounds of group C08G18/34}
- C08G 18/755: {and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate}
- C08G 18/792: {formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates}
- C08G 18/797: {containing carbodiimide and/or uretone-imine groups}
- C08G 71/04: Polyurethanes
- C09D 7/63: organic
- C09D 133/00: Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D 133/10: Homopolymers or copolymers of methacrylic acid esters
- B05D 3/0254: {After-treatment}
- B05D 7/534: {the first layer being let to dry at least partially before applying the second layer (B05D7/538 takes precedence)}
- B05D 7/542: {the two layers being cured or baked together}
- B05D 2202/10: based on Fe
- B05D 2401/20: Aqueous dispersion or solution
- B05D 2503/00: Polyurethanes
- B05D 2508/00: Polyesters
- C08K 5/0025: {Crosslinking or vulcanising agents; including accelerators}
- 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)
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)

## Abstract

Polyisocyanate-cured coating compositions containing 1,1-di-activated vinyl compounds are described. Also provided are coatings formed from coating compositions comprising 1,1-di-activated vinyl compounds, including multi-layer coatings. Also provided are processes for coating substrates with coating compositions comprising 1,1-di-activated vinyl compounds. Also provided are articles employing the coatings described herein.

## Claims

### Claim 1

A coating composition comprising:
(A) a polyfunctional resin; and
(B) a crosslinker composition comprising:
(b1) a polyisocyanate compound; and
(b2) a 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof, wherein the 1,1-di-activated vinyl compound comprises a methylene dicarbonyl compound, a dihaloalkyl disubstituted vinyl compound, a multifunctional form of a methylene dicarbonyl compound, a multifunctional form of a dihaloalkyl compound, a multifunctional form of a dihaloalkyl disubstituted vinyl compound, or combination thereof;
wherein a mixture of components (A) and (B) form a coating composition.

### Claim 2 (depends on 1)

A coating composition of claim 1, wherein the polyfunctional resin is a polyol.

### Claim 3 (depends on 1)

A coating composition of claim 1, wherein the polyfunctional resin is a polyamine.

### Claim 4

A coating crosslinker composition comprising:
a polyisocyanate compound; and
a 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof, wherein the 1,1-di-activated vinyl compound comprises a methylene dicarbonyl compound, a dihaloalkyl disubstituted vinyl compound, a multifunctional form of a methylene dicarbonyl compound, a multifunctional form of a dihaloalkyl compound, a multifunctional form of a dihaloalkyl disubstituted vinyl compound, or combination thereof.

### Claim 5

A multi-layer coating comprising:
a first coating layer applied over at least a portion of a substrate; and
a second coating layer applied over at least a portion of the first coating layer;
wherein the second coating layer comprises:
a reaction product of a first polyfunctional resin and a polyisocyanate; and
one or more of:
an addition reaction product of:
a second polyfunctional resin; and
a 1,1-di-activated vinyl compound, or a multifunctional form
thereof, or a combination thereof; and/or
a polymerization reaction product of the 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof,
wherein the 1,1-di-activated vinyl compound comprises a methylene dicarbonyl compound, a dihaloalkyl disubstituted vinyl compound, a multifunctional form of a methylene dicarbonyl compound, a multifunctional form of a dihaloalkyl compound, a multifunctional form of a dihaloalkyl disubstituted vinyl compound, or combination thereof.

### Claim 6 (depends on 5)

A multi-layer coating of claim 5 wherein the first polyfunctional resin, the second polyfunctional resin, or a combination thereof is a polyol.

### Claim 7 (depends on 5)

A multi-layer coating of claim 5 wherein the first polyfunctional resin, the second polyfunctional resin, or a combination thereof is a polythiol.

### Claim 8 (depends on 5)

A multi-layer coating of claim 5 wherein the first polyfunctional resin, the second polyfunctional resin, or a combination thereof is a polyamine.

### Claim 9 (depends on 5)

The multi-layer coating of claim 5, wherein the second coating layer comprises an addition reaction product of:
(1) a polyfunctional resin comprising a polyol; and
(2) diethyl methylene malonate and a multifunctional form of diethyl methylene malonate,
wherein the multifunctional form of diethyl methylene malonate comprises a transesterification adduct of diethyl methylene malonate and at least one polyol.

### Claim 10 (depends on 9)

The multi-layer coating of claim 9, wherein the transesterification adduct of diethyl methylene malonate and at least one polyol comprises a transesterification adduct of diethyl methylene malonate and a diol.

### Claim 11 (depends on 5)

The multi-layer coating of claim 5, wherein the first coating layer comprises an activator compound that activated addition reactions and/or polymerization reactions in the second coating layer when the second coating layer was applied over the first coating layer.

### Claim 12 (depends on 11)

The multi-layer coating of claim 11, wherein the activator compound comprises a tertiary amine compound.

### Claim 13 (depends on 5)

The multi-layer coating of claim 5, wherein the second coating layer comprises a clearcoat layer.

### Claim 14 (depends on 5)

An article comprising the multi-layer coating of claim 5 deposited on a surface of the article.

### Claim 15 (depends on 14)

The article of claim 14, wherein the article comprises a vehicle component or a component of a free-standing structure.

### Claim 16

A process for coating a substrate comprising:
applying a first coating layer over at least a portion of a substrate;
applying a second coating layer over at least a portion of the first coating layer; and
curing the second coating layer;
wherein the second coating layer comprises a coating composition comprising:
a polyol resin;
polyisocyanate; and
a 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof, wherein the 1,1-di-activated vinyl compound comprises a methylene dicarbonyl compound, a dihaloalkyl disubstituted vinyl compound, a multifunctional form of a methylene dicarbonyl compound, a multifunctional form of a dihaloalkyl compound, a multifunctional form of a dihaloalkyl disubstituted vinyl compound, or combination thereof.

### Claim 17 (depends on 16)

The process of claim 16, wherein the curing of the second coating layer comprises a multiple-curing mechanism comprising:
crosslinking reactions between the polyol resin and the polyisocyanate; and
one or more of:
polymerization reactions of the 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof; and/or
addition reactions between the polyol resin and the 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof.

### Claim 18 (depends on 16)

The process of claim 16, wherein:
the first coating layer comprises an activator compound;
the curing of the second coating layer comprises activating a polymerization reaction and/or an addition reaction in the second coating layer with the activator compound in the first coating layer; and
the 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof (1) is polymerized and/or (2) reacts with the polyol resin to produce an addition reaction product.

### Claim 19 (depends on 18)

The process of claim 18, wherein the activator compound comprises a tertiary amine compound.

### Claim 20 (depends on 17)

The process of claim 17, wherein the second coating layer, when cured, comprises:
a reaction product of the polyol resin and the polyisocyanate; and
a polymerization reaction product of diethyl methylene malonate and a multifunctional form of diethyl methylene malonate, wherein the multifunctional form of diethyl methylene malonate comprises a transesterification adduct of diethyl methylene malonate and at least one polyol.

### Claim 21 (depends on 17)

The process of claim 17, wherein the second coating layer, when cured, comprises:
a reaction product of the polyol resin and the polyisocyanate; and
an addition reaction product of:
(1) the polyol resin; and
(2) diethyl methylene malonate and a multifunctional form of diethyl methylene malonate, wherein the multifunctional form of diethyl methylene malonate comprises a transesterification adduct of diethyl methylene malonate and at least one polyol.
