Mono(hydroxyalkyl)urea and oxazolidone crosslinking agents
First Claim
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1. A composition, comprising:
- (1) a poly-functional molecule comprising at least two functional groups selected from the group consisting of carboxyl and anhydride; and
(2) a crosslinking agent selected from the group consisting of a mono(hydroxyalkyl)urea comprising a single urea group, a single hydroxyl group, and at least two carbon atoms are disposed between the urea group and the hydroxyl group, and 2-oxazolidone, wherein the crosslinking agent is present in an amount effective to crosslink the poly-functional molecule.
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Abstract
Mono(hydroxyalkyl)urea and 2-oxazolidone crosslinking agents and compositions which utilize such crosslinking agents are disclosed. The mono(hydroxyalkyl)urea crosslinking agents contain a single urea group, a single hydroxyl group, and have at least two carbon atoms disposed between the urea group and the hydroxyl group. The compositions contain a poly-functional molecule which contains at least two functional groups selected from the group consisting of carboxyl and anhydride.
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8 Claims
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1. A composition, comprising:
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(1) a poly-functional molecule comprising at least two functional groups selected from the group consisting of carboxyl and anhydride; and (2) a crosslinking agent selected from the group consisting of a mono(hydroxyalkyl)urea comprising a single urea group, a single hydroxyl group, and at least two carbon atoms are disposed between the urea group and the hydroxyl group, and 2-oxazolidone, wherein the crosslinking agent is present in an amount effective to crosslink the poly-functional molecule. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An article of manufacture comprising a thermoset composition which comprises
(1) a poly-functional molecule comprising at least two functional groups selected from the group consisting of carboxyl and anhydride; - and
(2) a crosslinking agent selected from the group consisting of a mono(hydroxyalkyl)urea comprising a single urea group, a single hydroxyl group, and at least two carbon atoms are disposed between the urea group and the hydroxyl group, and 2-oxazolidone, wherein the crosslinking agent is present in an amount effective to crosslink the poly-functional molecule.
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Specification