US4940841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous two-component paints for one-coating of high-resistant finishing sheeting and continuous edging
Assignee: BASF Farben und Fasern AG
•
Filing: 1988-02-18
•
Granted: 1990-07-10
•
Expires: 2008-02-18
Abstract
Abstract The invention relates to aqueous two-component paints containing customary additives and, if appropriate, pigments, for one-coat coating of finishing sheeting and continuous edging, characterized in that the paints containing as paint component (I) (A) 40 to 85% by weight, preferably 60 to 85% by weight, of an aqueous dispersion of a self-crosslinking polyacrylate resin, which contains as the groups capable of bringing about the self-crosslinking acid amide derivative groups corresponding to the general structural formula --CO--N(R 1 )--CH(R 2 )--OR 3 , wherein R 1 =a hydrogen atom or a --CH(R 2 )--OR 3 group, R 2 =a hydrogen atom or a --COOR 4 group, R 3 =a hydrogen atom or a hydrocarbon radical of 1 to 10 carbon atoms, preferably the methyl, ethyl, (iso)propyl or (iso)butyl radical, R 4 =an alkyl radical of 1 to 5 carbon atoms; (B) 5 to 50% by weight, preferably 7 to 20% by weight, of a melamine resin dispersed or dissolved in an aqueous medium (C) 0 to 40% by weight, preferably 5 to 20% by weight, of a urea resin dispersed or dissolved in an aqueous medium; (D) 5 to 30% by weight, preferably 6 to 15% by weight, of a polyol component; and (E) 0.01 to 5% by weight, preferably 0.1 to 1.5% by weight, of an amine component, (A) to (E) adding up to 100% by weight; the curing component (II) consists of a water-dilutable acid and the components (I) and (II) are mixed prior to application in a ratio of 0.05 to 3 parts by weight, preferably 0.05 to 2 parts by weight, of the pure curing component (II) to 100 parts by weight of the paint component (I). The invention further relates to a process for producing two-component paints as well as to their use for coating finishing sheeting and continuous edging.
Inventors
- 👤 Karl-Heinz Dickerhof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:34
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/24
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
197 words
An aqueous, two component paint for one-coat coating of finishing sheeting and continuous edging, which comprises: paint component (I) containing (A) 40 to 85% by weight of an aqueous dispersion of a self-crosslinking polyacrylate resin which contains as groups capable of bringing about self-crosslinking, acid amide derivative groups having the general structural formula --CO--N(R.sup.1)--CH(R.sup.2)--OR.sup.3, wherein R 1 =a hydrogen atom or a --CH(R 2 )--OR 3 group, R 2 =a hydrogen atom or a --COOOR 4 group, R 3 =a hydrogen atom or a hydrocarbon radical of 1 to 10 carbon atoms and R 4 =an alkyl radical of 1 to 5 carbon atoms; (B) 5 to 50% by weight of a melamine resin dispersed or dissolved in an aqueous medium; (C) 5 to 40% by weight of a urea resin dispersed or dissolved in an aqueous medium; (D) 5 to 30% by weight of a polyol component; and (E) 0.01 to 5% by weight and a curing component (II) comprising water-dilutable acid, components (I) and (II) being mixed prior to application in a ratio of 0.05 to 3 parts by weight of the curing component (II) to 100 parts by weight of the paint component (I).
Claim 2
Dependent Claim
197 words
An aqueous, two component paint for one-coat coating of finishing sheeting and continuous edging, which comprises: paint component (I) containing (A) 40 to 85% by weight of an aqueous dispersion of a self-crosslinking polyacrylate resin which contains as groups capable of bringing about self-crosslinking, acid amide derivative groups having the general structural formula --CO--N(R.sup.1)--CH(R.sup.2)--OR.sup.3, wherein R 1 =a hydrogen atom or a --CH(R 2 )--OR 3 group, R 2 =a hydrogen atom or a --COOOR 4 group, R 3 =a hydrogen atom or a hydrocarbon radical of 1 to 10 carbon atoms and R 4 =an alkyl radical of 1 to 5 carbon atoms; (B) 5 to 50% by weight of a melamine resin dispersed or dissolved in an aqueous medium; (C) 5 to 40% by weight of a urea resin dispersed or dissolved in an aqueous medium; (D) 5 to 30% by weight of a polyol component; and (E) 0.01 to 5% by weight and a curing component (II) comprising water-dilutable acid, components (I) and (II) being mixed prior to application in a ratio of 0.05 to 3 parts by weight of the curing component (II) to 100 parts by weight of the paint component (I).
Claim 3
Dependent Claim
251 words
A process for one-coat coating of finishing sheeting and continuous edging, wherein the finishing sheeting and continuous edging are coated with an aqueous two-component paint and wherein the wet film is subsequently cured for 10 to 60 seconds at 140° to 210° C., comprising: applying a coating containing a paint component (I) which contains: (A) 40% to 85% by weight of an aqueous dispersion of a self-crosslinking polyacrylate resin which contains as the groups capable of bringing about self-crosslinking, acid amide derivative groups having the general structural formula --CO--N(R 1 )--CH(R 2 )--OR 3 , wherein R 1 =a hydrogen atom or a --CH(R 2 )--OR 3 group, R 2 =a hydrogen atom or a --COOR 4 group, R 3 =a hydrogen atom or a hydrocarbon radical of 1 to 10 carbon atoms and R 4 =an alkyl radical of 1 to 5 carbon atoms; (B) 5 to 50% by weight of a melamine resin dispersed or dissolved in an aqueous medium; (C) 0 to 40% by weight of a urea resin dispersed or dissolved in an aqueous medium; (D) 5 to 30% by weight of a polyol component; and (E) 0.01 to 5% by weight of an amine component, (A) to (E) adding up to 100% by weight; and a curing component (II) comprising a water-dilutable acid, components (I) and (II) being mixed prior to application in a ratio of 0.05 to 3 parts by weight of the curing component (II) to 100 parts by weight of paint component (I).
Claim 4
Dependent Claim
251 words
A process for one-coat coating of finishing sheeting and continuous edging, wherein the finishing sheeting and continuous edging are coated with an aqueous two-component paint and wherein the wet film is subsequently cured for 10 to 60 seconds at 140° to 210° C., comprising: applying a coating containing a paint component (I) which contains: (A) 40% to 85% by weight of an aqueous dispersion of a self-crosslinking polyacrylate resin which contains as the groups capable of bringing about self-crosslinking, acid amide derivative groups having the general structural formula --CO--N(R 1 )--CH(R 2 )--OR 3 , wherein R 1 =a hydrogen atom or a --CH(R 2 )--OR 3 group, R 2 =a hydrogen atom or a --COOR 4 group, R 3 =a hydrogen atom or a hydrocarbon radical of 1 to 10 carbon atoms and R 4 =an alkyl radical of 1 to 5 carbon atoms; (B) 5 to 50% by weight of a melamine resin dispersed or dissolved in an aqueous medium; (C) 0 to 40% by weight of a urea resin dispersed or dissolved in an aqueous medium; (D) 5 to 30% by weight of a polyol component; and (E) 0.01 to 5% by weight of an amine component, (A) to (E) adding up to 100% by weight; and a curing component (II) comprising a water-dilutable acid, components (I) and (II) being mixed prior to application in a ratio of 0.05 to 3 parts by weight of the curing component (II) to 100 parts by weight of paint component (I).
Claim 5
Dependent Claim
22 words
A paint or process as claimed in claims 1 or 2, wherein 2-amino-2-ethyl-1,3-propanediol or 2-amino-2-methylpropanol is used as the amine component (E).
Claim 6
Dependent Claim
21 words
A paint or process as claimed in claims 1 or 2 wherein trihydric polyols are used as the polyol component (D).
Claim 7
Dependent Claim
20 words
A paint or process as claimed in claims 1 or 2 wherein p-toluenesulfonic acid is used as the water-dilutable acid.
Claim 8
Dependent Claim
38 words
An aqueous, two-component paint of claim 1 wherein the aqueous dispersion of self-crosslinking polyacrylate resin of part (A) is present in an amount ranging from 60 to 85% by weight based on the total weight of component (I).
Claim 9
Dependent Claim
16 words
The aqueous, two-component paint of claim 1 wherein R 3 is methyl, ethyl, isopropyl or isobutyl.
Claim 10
Dependent Claim
33 words
The aqueous, two-component paint of claim 1 wherein the melamine resin of part (B) is present in an amount ranging from 7 to 20% by weight based on the weight of component (I).
Claim 11
Dependent Claim
25 words
The aqueous, two-component paint of claim 1 wherein the urea resin (C) comprises 5 to 20% by weight based on the weight of component (I).
Claim 12
Dependent Claim
26 words
The aqueous, two-component paint of claim 1 wherein the polyol component (D) is 6 to 15 percent by weight based on the weight of component (I).
Claim 13
Dependent Claim
25 words
The aqueous, two-component paint of claim 1 wherein the amine component (E) is 0.1 to 15% by weight based on the weight of component (I).
Claim 14
Dependent Claim
26 words
The aqueous, two-component paint of claim 1 wherein components (I) and (II) are mixed in a ratio of 0.5 to parts (II) to 100 parts (I).
Claim 15
Dependent Claim
16 words
A process of claim 2 wherein the set film is cured for 10 to 20 seconds.
Claim 16
Dependent Claim
17 words
The process of claim 2 wherein part (A) comprises 60 to 85% by weight of component (I).
Claim 17
Dependent Claim
14 words
The process of claim 2 wherein R 3 is methyl, ethyl, isopropyl or isobutyl.
Claim 18
Dependent Claim
17 words
The process of claim 2 wherein part (B) comprises 7 to 20% by weight of component (I).
Claim 19
Dependent Claim
17 words
The process of claim 2 wherein part (C) comprises 5 to 20% by weight of component (I).
Claim 20
Dependent Claim
17 words
The process of claim 2 wherein part (D) comprises 6 to 15% by weight of component (I).
Claim 21
Dependent Claim
18 words
A process of claim 2 wherein part (E) comprises 0.1 to 1.5% by weight based on component (I).
Claim 22
Dependent Claim
25 words
A process of claim 2 wherein 0.5 to 2 parts by weight of component (II) are mixed with 100 parts by weight of component (I).
References Cited (Backward Citations)
GB1014677A
Cited
GB1178903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-07-09 | 1994-01-08 | 1994-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-09 | 1998-01-08 | 1998-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-09 | 2002-01-08 | 2002-07-10 | $7700.00 | Window Closed / Lapsed |