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US 11,697,643 B2Granted
Use of functionalized alpha-angelica lactones
AssigneeHenkel AG & Co. KGaA
InventorsKenji Ito, Andreas Taden
Life of this patent
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Abstract
The present invention is directed to the use as a reactive component in the curing of compositions based on epoxy resins of a functionalized α-angelica lactone (XOMAL) having the general formula: wherein: Ra is a C1-C30 alkyl, C3-C30 cycloalkyl, C6-C18 aryl or C2-C12 alkenyl group.
Claims14
A reactive composition comprising:
- a) a functionalized α-angelica lactone (XOMAL) having the general formula
- wherein Ra is a C1-C30 alkyl, C3-C30 cycloalkyl, C6-C18 aryl or C2-C12 alkenyl group;
- and
- b) a curative component comprising at least one of i) and ii):
- i) at least one polyamine having at least two amine hydrogens reactive toward epoxide groups;
- and
- ii) at least one mercapto compound having at least two mercapto groups reactive toward epoxide groups.
4 more elements
Dependencies are inferred from the claim text.