Back to results
US 5,292,807 AGranted
Compositions of cyclic isourea component with carboxyl component
AssigneeBayer Aktiengesellschaft
InventorsWalter Schafer, Hanns P. Muller, Hans-Joachim Kreuder, Manfred Bock, Knud Reuter
Life of this patent
Estimating the term…
Abstract
The present invention relates to compositions which are storage stable at room temperature and contain A) at least one compound having at least two cyclic isourea groups per molecule and B) at least one compound having at least two carboxyl groups per molecule, in an amount sufficient to provide a molar ratio of isourea groups to carboxyl groups of 0.5:1 to 1.5:1.
Claims4
A composition which is storage stable at room temperature and comprises
- A) at least one compound having at least two cyclic isourea groups per molecule and
- B) at least one compound having at least two carboxyl groups per molecule which is selected from copolymers having an acid number of at least 28 mg KOH/g and prepared by the copolymerization of olefinically unsaturated carboxylic acids with other olefinically unsaturated monomers,
- in an amount sufficient to provide a molar ratio of isourea groups to carboxyl groups of 0.5:1 to 1.5:1.
A composition which is storage stable at room temperature and comprises
- A) at least one compound having at least two cyclic isourea groups per molecule which is the reaction product of
- i) a cyclic isourea corresponding to the formula ##STR5## wherein R represents hydrogen, an alkyl radical having 1 to 18 carbon atoms, or a phenyl, chloromethyl or phenoxymethyl radical with
- ii) a member selected from the group consisting of organic polyisocyanates, organic polyepoxides, methylol or methoxymethyl groups-containing melamine/formaldehyde and urea/formaldehyde resins and compounds having carboxylic acid ester groups and
- B) at least one compound having at least two carboxyl groups per molecule, in an amount sufficient to provide a molar ratio of isourea groups to carboxyl groups of 0.5:1 to 1.5:1.
1 more element
Dependencies are inferred from the claim text.