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US 6,673,851 B2Granted
Self-photoinitiating multifunctional acrylates
AssigneeAshland Inc.
InventorsThomas Michael Moy, R. Scott Harvey
Life of this patent
Estimating the term…
Abstract
Self-photoinitiating liquid oligomeric compositions having tertiary amine groups are provided by Michael Addition reaction of: A) an uncrosslinked Michael Addition reaction product of a multifunctional acrylate acceptor and a Michael Donor; and B) a primary and/or secondary amine. The compositions can be crosslinked to make coatings, laminates and adhesives.
Claims24
A self-photoinitiating liquid oligomeric composition having tertiary amine groups comprising Michael Addition reaction product of:
- A) uncrosslinked Michael Addition reaction product of a multifunctional acrylate acceptor and an active methylene-containing Michael Donor wherein the equivalent ratio of the multifunctional acrylate to the Michael Donor is >1:1;
- and
- B) at least one amine selected from the group consisting of primary amines and secondary amines wherein the equivalent ratio of unreacted acrylate double bonds in A) to the amine B) is about 100:1 to about 2:1.
Dependencies are inferred from the claim text.