Patent US4966948A successfully refreshed from Google Patents.
US4966948A
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US
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Carbodiimide and metal containing emulsion or dispersion coating composition
Assignee: Akzo Coatings Inc
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Filing: 1988-10-14
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Granted: 1990-10-30
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Expires: 2008-10-14
Abstract
Abstract A coating composition containing a carboxyl functional polymeric emulsion or dispersion, a carbodiimide and a transition metal catalyst which upon curing provides coatings with improved resistance properties.
Inventors
- 👤 E. Floyd Godbey, Jr.
- 👤 Norman G. Wolfe
- 👤 David J. Zepka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C09; C09D; C09D201/00; C09D201/02; C09D201/06; C09D201/08
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
90 words
A coating composition having improved cure properties comprising a blend of: (a) about 56 to about 98.75 percent by weight solids of a carboxyl functional polymer having an acid value in the range of about 25 to about 250; (b) about 1 to about 40 percent by weight solids of a carbodiimide; and (c) about 0.25 to about by weight solids of a transition metal salt or a titanate, where the transition metal salt is selected from the group consisting of zinc chloride, zinc ammonium carbonate, and zirconium ammonium carbonate.
Claim 2
Dependent Claim
90 words
A coating composition having improved cure properties comprising a blend of: (a) about 56 to about 98.75 percent by weight solids of a carboxyl functional polymer having an acid value in the range of about 25 to about 250; (b) about 1 to about 40 percent by weight solids of a carbodiimide; and (c) about 0.25 to about by weight solids of a transition metal salt or a titanate, where the transition metal salt is selected from the group consisting of zinc chloride, zinc ammonium carbonate, and zirconium ammonium carbonate.
Claim 3
Dependent Claim
79 words
A coating composition having improved cure properties comprising: (a) about 56 to about 98.75 percent by weight solids a carboxyl functional polymer having an acid value in the range of about 25 to about 250; (b) a carbodiimide present in the range of about 1 to about 40 percent by weight solids; and (c) zinc ammonium carbonate, zirconium ammonium carbonate, zinc chloride, or a titanate present in the range of about 0.25 to about 4 percent by weight solids.
Claim 4
Dependent Claim
79 words
A coating composition having improved cure properties comprising: (a) about 56 to about 98.75 percent by weight solids a carboxyl functional polymer having an acid value in the range of about 25 to about 250; (b) a carbodiimide present in the range of about 1 to about 40 percent by weight solids; and (c) zinc ammonium carbonate, zirconium ammonium carbonate, zinc chloride, or a titanate present in the range of about 0.25 to about 4 percent by weight solids.
Claim 5
Dependent Claim
68 words
A coating composition having improved cure properties comprising: (a) about 56 to about 98.75 percent by weight solids of a carboxyl-containing acrylic emulsion polymer having an acid value in the range of about 25 to about 250; (b) about 1 to about 40 percent by weight solids of a carbodiimide; and (c) 0.25 to about 4 percent by weight solids of zinc ammonium carbonate or zirconium ammonium carbonate.
Claim 6
Dependent Claim
68 words
A coating composition having improved cure properties comprising: (a) about 56 to about 98.75 percent by weight solids of a carboxyl-containing acrylic emulsion polymer having an acid value in the range of about 25 to about 250; (b) about 1 to about 40 percent by weight solids of a carbodiimide; and (c) 0.25 to about 4 percent by weight solids of zinc ammonium carbonate or zirconium ammonium carbonate.
Claim 7
Dependent Claim
70 words
The coating composition of claim 2 wherein the carboxyl polymer is present in the range of about 87.25 to about 98.5 percent by weight solids, the carbodiimide is present in the range of about 1 to about 10 percent by weight solids, and the zinc ammonium carbonate, zirconium ammonium carbonate, zinc chloride, or a titanate is present in the range of about 0.5 to about 2.75 percent by weight solids.
Claim 8
Dependent Claim
74 words
A coating composition having improved cure properties comprising a blend of: (a) about 56 to about 98.75 percent by weight solids of a carboxyl-containing acrylic emulsion polymer having an acid value in the range of about 25 to about 250; (b) about 1 to about 40 percent by weight solids of a carbodiimide; and (c) about 0.25 to about 4 percent by weight solids of zinc ammonium carbonate, zinc chloride or zirconium ammonium carbonate.
Claim 9
Dependent Claim
74 words
A coating composition having improved cure properties comprising a blend of: (a) about 56 to about 98.75 percent by weight solids of a carboxyl-containing acrylic emulsion polymer having an acid value in the range of about 25 to about 250; (b) about 1 to about 40 percent by weight solids of a carbodiimide; and (c) about 0.25 to about 4 percent by weight solids of zinc ammonium carbonate, zinc chloride or zirconium ammonium carbonate.
Claim 10
Dependent Claim
74 words
A coating composition having improved cure properties comprising a blend of: (a) about 56 to about 98.75 percent by weight solids of a carboxyl-containing polyurethane dispersion polymer having an acid value in the range of about 25 to about 250; (b) about 1 to about 40 percent by weight solids of a carbodiimide; and (c) about 0.25 to about 4 percent by weight solids of zinc ammonium carbonate, zinc chloride, or zirconium ammonium carbonate.
Claim 11
Dependent Claim
74 words
A coating composition having improved cure properties comprising a blend of: (a) about 56 to about 98.75 percent by weight solids of a carboxyl-containing polyurethane dispersion polymer having an acid value in the range of about 25 to about 250; (b) about 1 to about 40 percent by weight solids of a carbodiimide; and (c) about 0.25 to about 4 percent by weight solids of zinc ammonium carbonate, zinc chloride, or zirconium ammonium carbonate.
Claim 12
Dependent Claim
24 words
The composition of claim 1 wherein the transition metal salt is selected from the group consisting of zinc ammonium carbonate or zirconium ammonium carbonate.
Claim 13
Dependent Claim
26 words
The composition of claim 1 wherein the titanate is selected from the group consisting of isopropyl tri(N-ethylamine-ethylamino) titanate, tetra-isopropyl di(dioctylphosphito) titanate and di(dioctyl phrophosphato) ethylene titanate.
Claim 14
Dependent Claim
52 words
The composition of claims 2, 3, 4, 5, or 6 wherein the carbodiimide has the following formula: A-N=C=N-B wherein A and B may be the same or different and are selected from unsubstituted alkyl or aryl groups or substituted alkyl or aryl groups containing substituents which do not interfere with the reactants.
Claim 15
Dependent Claim
17 words
The coating compositions of claims 2, 3, 4, 5 or 6 wherein the carbodiimide is a polycarbodiimide.
Claim 16
Dependent Claim
17 words
The composition of claims 2, 3, 4, 5 or 6 wherein the carbodiimide is an aliphatic carbodiimide.
Claim 17
Dependent Claim
18 words
The composition of claims 2, 3, 4, 5 or 6 wherein the carbodiimide is a mixed aliphatic/aromatic polycarbodiimide.
Claim 18
Dependent Claim
25 words
The composition of claims 2, 3, 4, 5 or 6 in admixture with up to about 30 percent by weight of a flaked acrylic resin.
Claim 19
Dependent Claim
29 words
The composition of claims 2, 3, 4, 5 or 6 wherein the emulsion or dispersion polymer has an acid value in the range of about 35 to about 80.
Claim 20
Dependent Claim
29 words
The composition of claims 2, 3, 4, 5 or 6 wherein the emulsion or dispersion polymer has an acid value in the range of about 40 to about 60.
Claim 21
Dependent Claim
22 words
The composition of claim 2 or 4 wherein the carboxyl functional polymer is a carboxyl-containing polyurethane dispersion or a carboxyl-containing acrylic emulsion.
Claim 22
Dependent Claim
17 words
The composition of claims 2 or 4 wherein zinc ammonium carbonate or zirconium ammonium carbonate is present.
Claim 23
Dependent Claim
18 words
The composition of claim 2 wherein component (c) comprises zinc ammonium carbonate, zinc chloride, or zirconium ammonium carbonate.
References Cited (Backward Citations)
US3886125A
Cited
US4612054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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