US4606974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveller-containing high-solids polyurethane reactive coating systems and their use for reactive coating
Assignee: Bayer AG
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Filing: 1985-11-18
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Granted: 1986-08-19
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Expires: 2005-11-18
Abstract
Abstract The present invention is directed to a high-solids polyurethane reactive coating system based on blocked NCO-prepolymers, polyamines and, optionally, solvents, said coating system containing a leveller agent comprising (1) a combination of from about 1 to 10% by weight of (A) vinyl polymers and copolymers based on (meth)acrylic acid esters and, optionally, other comonomers and from about 0.1 to 2% by weight of (B) polysiloxanes and/or polyalkylene oxide/polysiloxane copolymers, (2) from about 0.2 to 2.0% by weight of (C) poly(meth)acrylic acid (hydroxy)alkyl ester graft polymers on silicones, (3) mixtures of (A), (B) and (C) in the amounts specified, (4) mixtures of (A) and (C) in the amounts specified or (5) mixtures of (B) and (C) in the amounts specified. The present invention also relates to textile substrates coated on one or both sides or surface-textured sheet-form materials, particularly velour leather, coated with the above leveller-containing, high-solids polyurethane reactive coating systems.
Inventors
- 👤 Wilhelm Thoma
- 👤 Karl H. Pisaric
- 👤 Heinrich Alberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:43
CPC Classifications
C; C09; C09D; C09D175/00; C09D175/04; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31598; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31663; Y10T428/31786
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
143 words
A coated substrate wherein the substrate comprises a member selected from the group consisting of textile substrates and surface-textured, sheet-form materials and wherein said coating comprises a high-solids polyurethane reactive coating system based on blocked NCO-prepolymers, polyamines and optionally, solvents, said coating system containing a leveller agent comprising: (1) a combination of about 1 to 10% by weight of (A) vinyl polymers and copolymers based on (meth)acrylic acid esters and, optionally, other vinyl comonomers and from about 0.1 to 2.0% by weight of (B) polysiloxanes, (2) from about 0.2 to 2.0% by weight of (C) poly(meth)acrylic acid (hydroxy)alkyl ester graft polymers on mixtures of dimethylpolysiloxanes containing vinyl residues and SiH-containing dimethylpolysiloxanes, (3) mixtures of (A), (B) and (C) in the amounts specified, (4) mixtures of (A) and (C) in the amounts specified or (5) mixtures of (B) and (C) in the amounts specified.
Claim 2
Dependent Claim
143 words
A coated substrate wherein the substrate comprises a member selected from the group consisting of textile substrates and surface-textured, sheet-form materials and wherein said coating comprises a high-solids polyurethane reactive coating system based on blocked NCO-prepolymers, polyamines and optionally, solvents, said coating system containing a leveller agent comprising: (1) a combination of about 1 to 10% by weight of (A) vinyl polymers and copolymers based on (meth)acrylic acid esters and, optionally, other vinyl comonomers and from about 0.1 to 2.0% by weight of (B) polysiloxanes, (2) from about 0.2 to 2.0% by weight of (C) poly(meth)acrylic acid (hydroxy)alkyl ester graft polymers on mixtures of dimethylpolysiloxanes containing vinyl residues and SiH-containing dimethylpolysiloxanes, (3) mixtures of (A), (B) and (C) in the amounts specified, (4) mixtures of (A) and (C) in the amounts specified or (5) mixtures of (B) and (C) in the amounts specified.
Claim 3
Dependent Claim
28 words
The coated substrate of claim 1 wherein said substrate is a textile substrate and wherein both sides are coated using coating weights of 100 g/m 2 or greater.
Claim 4
Dependent Claim
18 words
The coated substrate of claim 2 wherein said coating weight is 100 to about 1000 g/m 2 .
Claim 5
Dependent Claim
18 words
The coated substrate of claim 1 wherein said substrate is a surface-textured, sheet-form material which is velour leather.
Claim 6
Dependent Claim
14 words
The coated substrate of claim 1 wherein the polysiloxanes (B) are polyalkylene oxide/polysiloxane copolymers.
Claim 7
Dependent Claim
144 words
A coated substrate wherein the substrate comprises a member selected from the group consisting of textile substrates and surface-textured, sheet-form materials and wherein said coating comprises a high-solids polyurethane reactive coating system based on blocked NCO-prepolymers, polyamines and, optionally, solvents, said coating system containing a leveller agent comprising: (1) a combination of from about 2 to 5% by weight of (A) vinyl polymers and copolymers based on (meth)acrylic acid esters and, optionally, other vinyl comonomers and from about 0.2 to 1.0% by weight of (B) polysiloxanes, (2) from about 0.2 to 2.0% by weight of (c) poly(meth)acrylic acid (hydroxy)alkyl ester graft polymers on mixtures of dimethylpolysiloxanes containing vinyl residues and SiH-containing dimethylpolysiloxanes, (3) mixtures of (A), (B) and (C) in the amounts specified, (4) mixtures of (A) and (C) in the amounts specified, or (5) mixtures of (B) and (C) in the amounts specified.
Claim 8
Dependent Claim
144 words
A coated substrate wherein the substrate comprises a member selected from the group consisting of textile substrates and surface-textured, sheet-form materials and wherein said coating comprises a high-solids polyurethane reactive coating system based on blocked NCO-prepolymers, polyamines and, optionally, solvents, said coating system containing a leveller agent comprising: (1) a combination of from about 2 to 5% by weight of (A) vinyl polymers and copolymers based on (meth)acrylic acid esters and, optionally, other vinyl comonomers and from about 0.2 to 1.0% by weight of (B) polysiloxanes, (2) from about 0.2 to 2.0% by weight of (c) poly(meth)acrylic acid (hydroxy)alkyl ester graft polymers on mixtures of dimethylpolysiloxanes containing vinyl residues and SiH-containing dimethylpolysiloxanes, (3) mixtures of (A), (B) and (C) in the amounts specified, (4) mixtures of (A) and (C) in the amounts specified, or (5) mixtures of (B) and (C) in the amounts specified.
Claim 9
Dependent Claim
28 words
The coated substrate of claim 6 wherein said substrate is a textile substrate and wherein both sides are coated using coating weights of 100 g/m 2 or greater.
Claim 10
Dependent Claim
18 words
The coated substrate of claim 7 wherein said coating weight is 100 to about 1000 g/m 2 .
Claim 11
Dependent Claim
18 words
The coated substrate of claim 6 wherein said substrate is a surface-textured, sheet-form material which is velour leather.
Claim 12
Dependent Claim
14 words
The coated substrate of claim 6 wherein the polysiloxanes (B) are polyalkylene oxide/polysiloxane copolymers.
Claim 13
Dependent Claim
185 words
A coated substrate wherein the substrate comprises a member selected from the group consisting of textile substrates and surface-textured, sheet-form materials and wherein said coating comprises a high-solids polyurethane reactive coating system based on blocked NCO-prepolymers, polyamines and, optionally, solvents, said coating system containing a leveller agent comprising: (1) a combination of from about 2 to 5% by weight of (A) vinyl polymers and copolymers based on (meth)acrylic acid esters and, optionally, other vinyl comonomers wherein (A) is dissolved to form an about 10 to 70% by weight solution and from about 0.2 to 1.0% by weight of (B) polysiloxanes wherein (B) is dissolved to form at least about 20% by weight solution, (2) from about 0.2 to 2.0% by weight of (C) poly(meth)acrylic acid (hydroxy)alkyl ester graft polymers on mixtures of dimethylpolysiloxanes containing vinyl residues and SiH-containing dimethylpolysiloxanes wherein (C) is dissolved to form at least about a 20% by weight solution, (3) mixtures of (A), (B) and (C) in the amounts specified, (4) mixtures of (A) and (C) in the amounts specified or (5) mixtures of (B) and (C) in the amounts specified.
Claim 14
Dependent Claim
185 words
A coated substrate wherein the substrate comprises a member selected from the group consisting of textile substrates and surface-textured, sheet-form materials and wherein said coating comprises a high-solids polyurethane reactive coating system based on blocked NCO-prepolymers, polyamines and, optionally, solvents, said coating system containing a leveller agent comprising: (1) a combination of from about 2 to 5% by weight of (A) vinyl polymers and copolymers based on (meth)acrylic acid esters and, optionally, other vinyl comonomers wherein (A) is dissolved to form an about 10 to 70% by weight solution and from about 0.2 to 1.0% by weight of (B) polysiloxanes wherein (B) is dissolved to form at least about 20% by weight solution, (2) from about 0.2 to 2.0% by weight of (C) poly(meth)acrylic acid (hydroxy)alkyl ester graft polymers on mixtures of dimethylpolysiloxanes containing vinyl residues and SiH-containing dimethylpolysiloxanes wherein (C) is dissolved to form at least about a 20% by weight solution, (3) mixtures of (A), (B) and (C) in the amounts specified, (4) mixtures of (A) and (C) in the amounts specified or (5) mixtures of (B) and (C) in the amounts specified.
Claim 15
Dependent Claim
28 words
The coated substrate of claim 11 wherein said substrate is a textile substrate and wherein both sides are coated using coating weights of 100 g/m 2 or greater.
Claim 16
Dependent Claim
18 words
The coated substrate of claim 12 wherein said coating weight is 100 to about 1000 g/m 2 .
Claim 17
Dependent Claim
18 words
The coated substrate of claim 11 wherein said substrate is a surface-textured, sheet-form material which is velour leather.
Claim 18
Dependent Claim
14 words
The coated substrate of claim 11 wherein the polysiloxanes (B) are polyalkylene oxide/polysiloxane copolymers.
Claim 19
Dependent Claim
156 words
A coated substrate wherein the substrate comprises a member selected from the group consisting of textile substrates and surface-textured, sheet-form materials and wherein said coating comprises a high-solids polyurethane reactive coating system based on blocked NCO-prepolymers, polyamines and, optionally, solvents, said coating system containing a leveller agent comprising: (1) A combination of about 2 to 5% by weight of (A) vinyl polymers and copolymers based on (meth)arcylic acid esters and, optionally, other vinyl comonomers wherein said vinyl polymers and copolymers comprise poly(meth)acrylic acid butyl ester and from about 0.2 to 1.0% by weight of (B) dimethylpolysiloxane and/or ethoxylated dimethylpolysiloxane, (2) from about 0.2 to 2.0% by weight of (C) poly(meth)acrylic acid (hydroxy) butyl ester graft polymers on dimethylpolysiloxanes containing vinyl residues and SiH-containing dimethylpolysiloxanes, (3) mixtures of (A), (B) and (C) in the amounts specified, (4) mixtures of (A) and (C) in the amounts specified or (5) mixtures of (B) and (C) in the amounts specified.
Claim 20
Dependent Claim
156 words
A coated substrate wherein the substrate comprises a member selected from the group consisting of textile substrates and surface-textured, sheet-form materials and wherein said coating comprises a high-solids polyurethane reactive coating system based on blocked NCO-prepolymers, polyamines and, optionally, solvents, said coating system containing a leveller agent comprising: (1) A combination of about 2 to 5% by weight of (A) vinyl polymers and copolymers based on (meth)arcylic acid esters and, optionally, other vinyl comonomers wherein said vinyl polymers and copolymers comprise poly(meth)acrylic acid butyl ester and from about 0.2 to 1.0% by weight of (B) dimethylpolysiloxane and/or ethoxylated dimethylpolysiloxane, (2) from about 0.2 to 2.0% by weight of (C) poly(meth)acrylic acid (hydroxy) butyl ester graft polymers on dimethylpolysiloxanes containing vinyl residues and SiH-containing dimethylpolysiloxanes, (3) mixtures of (A), (B) and (C) in the amounts specified, (4) mixtures of (A) and (C) in the amounts specified or (5) mixtures of (B) and (C) in the amounts specified.
Claim 21
Dependent Claim
28 words
The coated substrate of claim 16 wherein said substrate is a textile substrate and wherein both sides are coated using coating weights of 100 g/m 2 or greater.
Claim 22
Dependent Claim
18 words
The coated substrate of claim 17 wherein said coating weight is 100 to about 1000 g/m 2 .
Claim 23
Dependent Claim
18 words
The coated substrate of claim 16 wherein said substrate is a surface-textured, sheet-form material which is velour leather.
Claim 24
Dependent Claim
14 words
The coated substrate of claim 16 wherein the polysiloxanes (B) are polyalkylene oxide/polysiloxane copolymers.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-08-18 | 1990-02-17 | 1990-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-18 | 1994-02-17 | 1994-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-18 | 1998-02-17 | 1998-08-19 | $7700.00 | Window Closed / Lapsed |