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US 7,473,734 B2Granted
Michael addition compositions
AssigneeRohm and Haas Company
InventorsRonald Scott Beckley, Thomas Frederick Kauffman, Michael John Zajaczkowski
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Abstract
A functional composition is provided that comprises at least one multi-functional Michael acceptor, at least one multi-functional Michael donor, and at least one weakly basic catalyst.
Claims12
A functional composition comprising:
- (i) a first pack comprising at least one multi-functional Michael acceptor;
- (ii) a second pack comprising at least one multi-functional Michael donor;
- (iii) optionally, one or more non-functional ingredients;
- wherein at least one of said first pack and said second pack further comprises, at least one weakly basic catalyst wherein the pKa of the conjugate acid of said weakly basic catalyst is greater than or equal to 3 and less than or equal to 9;
- wherein said first pack and said second pack are each storage-stable;
- and
- wherein a functional mixture formed by admixing ingredients comprising said first pack, said second pack, and is capable of curing at 23° C. in 7 days or less.
4 more elements
Dependencies are inferred from the claim text.