EP0552469A2
Expired / Lapsed
EP
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Acetoacetate aromatic aldimine resin composition
Assignee: Reichhold Chemicals Inc
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Filing: 1992-12-17
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Granted: —
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Expires: 2012-12-17
Abstract
Abstract A composition comprising a first component including a compound comprising at least two acetoacetate groups, and a second component including a compound comprising at least two groups which will react with an acetoacetate group, at least one of which is an aromatic aldimine group having a relatively low reactivity with water when compared with its reactivity with an acetoacetate group. The components may be premixed in water prior to application. The invention further includes a product comprising a cured blend of the two components. The product of the invention is usually a coating or film.
Inventors
- 👤 Kim Kyu-Jun
- 👤 C. Williams Roy
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-27 22:25
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/14; C08F; C08F8/00; C08F8/30; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/0804; C08G18/0819; C08G18/0823; C08G18/83; C08G18/831; C09; C09D; C09D133/00; C09D133/04; C09D133/14
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
67 words
A curable composition comprising a first component including a compound comprising at least two acetoacetate groups, and a second component characterized in that the second component includes a compound comprising at least two groups which will react with an acetoacetate group, at least one of which is an aromatic aldimine group having a relatively low reactivity with water when compared with its reactivity with an acetoacetate group.
Claim 2
Dependent Claim
13 words
The composition of Claim 1 wherein the composition is curable at ambient temperature.
Claim 3
Dependent Claim
21 words
The composition of Claim 2 wherein the two groups which will react with an acetoacetate group are both aromatic aldimine groups.
Claim 4
Dependent Claim
17 words
The composition of Claim 1 wherein the components are combined in water to form an aqueous dispersion.
Claim 5
Dependent Claim
29 words
The composition of Claim 1 wherein the composition is provided as a packaged system of separately contained first and second components to be mixed to form a blended composition.
Claim 6
Dependent Claim
49 words
The composition of Claim 2 wherein the aldimine is the reaction product of an amine with an R substituted benzaldehyde where R is radical selected from the group consisting of hydrogen, lower alkyl of one to six carbon atoms, halolower alkyl of one to six carbon atoms or halogen.
Claim 7
Dependent Claim
21 words
The composition of one of the Claims 2 to 6 wherein the composition contains from 0.1 to 5 weight percent water.
Claim 8
Dependent Claim
69 words
The composition of Claim 2 wherein the acetoacetate compound comprises an acrylic based polyacetoacetate comprising 5 - 100 % by weight of an acetoacetate ester of hydroxyalkylacrylate compound or of alkyl alcohol, 0 - 30 % by weight of ethylenically unsaturated anhydride, 0 - 70 % by weight of a glycidyl ester of a mono-ethylenically unsaturated carboxylic acid and 0 - 80 % by weight of olefinically unsaturated monomers.
Claim 9
Dependent Claim
22 words
The compound of Claim 8 wherein the hydroxyacrylate compound is a hydroxyalkylmethacrylate or hydroxyalkylacrylate and the olefinically unsaturated monomer is a monovinylhydrocarbon.
Claim 10
Dependent Claim
27 words
The composition of Claim 2 wherein the acetoacetate compound is an acetoacetylated product of a hydroxy containing polymer formed by the reaction of polyisocyanate with polyhydroxy compound.
Claim 11
Dependent Claim
53 words
The composition of Claim 2 wherein the acetoacetate compound is an acetoacetylated product of a hydroxy containing polymer formed by the reaction of a polyepoxide with a polyhydroxy compound, a polycarboxy compound or mixtures thereof or formed by the reaction of a polyhydroxy compound with a carboxy compound or an acid anhydride compound.
Claim 12
Dependent Claim
13 words
The composition of Claim 11 wherein the carboxy compound is a fatty acid.
Claim 13
Dependent Claim
13 words
The composition of Claim 9 wherein the carboxy compound is a polycarboxy compound.
Claim 14
Dependent Claim
37 words
The composition of Claim 1 wherein the aldimine compound has the formula R₁(R₂) n where R₁ is a polyvalent carbon terminated radical containing aldimine non-reactive groups; R₂ is aldimine or amino; and n is greater than 1.
Claim 15
Dependent Claim
18 words
The composition of Claim 1 wherein the composition includes a secondary amine compound blended with the aromatic aldimine.
Claim 16
Dependent Claim
20 words
A product comprising a cured film of a blended to component composition of one of the claims 1 to 15.
References Cited (Backward Citations)
No citation records indexed.
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