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US 2020/0238246 A1Published application
A composition comprising solvent and heat resistant capsules
AssigneesAgfa NV, Agfa-Gevaert
InventorsFabienne GOETHALS, Freya CURINCKX, Johan LOCCUFIER
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Abstract
A composition includes a capsules having an improved solvent and heat resistance. The capsules are prepared via interfacial polymerization between a polyisocyanate and a polyhydrazide. The capsules include a leuco dye and may be used in laser markable compositions.
Claims14
1-13. (canceled)
A composition comprising:
- a capsule including a core and a shell;
- wherein
- the capsule is prepared via interfacial polymerization of a polyisocyanate and a compound including an active hydrogen;
- and
- the compound including the active hydrogen is a polyhydrazide according to Formula I:
- wherein
- LH is a substituted or unsubstituted arylene group;
- and
- n is an integer ranging from 2 to 4.
6 more elements
Dependencies are inferred from the claim text.