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US 9,359,471 B2Granted
Foam compositions
AssigneeGaco Western, LLC
InventorsDavid L. Trumbo, Nick Krogman, Daniel S. Nelson
Life of this patent
Estimating the term…
Abstract
Foam compositions are provided. The compositions are prepared from multi-functional acetoacetate esters and multi-functional amines or acrylates. The foam compositions can include one or more additives. The foam compositions can be used for home and commercial insulation, air sealing, sound proofing, structural improvement, and exterior roofing, among other applications. The foam compositions provide advantages of being isocyanate free and offer reduced exposure to isocyanate.
Claims23
A foam comprising a compound of formula (I-a):
- wherein A and B, at each occurrence, are each independently selected from a saturated or unsaturated, linear, branched, or cyclic hydrocarbon group, wherein each hydrocarbon group optionally includes one or more heteroatoms;
- an aromatic group;
- a heteroaromatic group;
- and a heterocyclic group;
- or any combination thereof;
- wherein said groups, at each occurrence, are independently unsubstituted or substituted with one or more suitable substituents.
3 more elements
Dependencies are inferred from the claim text.