Laser additive and its use in polymer materials
AssigneeMerck Patent GmbH
InventorKoshiro Kunii
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Abstract
The present invention relates to pigments which comprise niobium-doped titanium dioxide as well as a layer encapsulating the niobium-doped titanium dioxide, to polymer materials containing same and to the use of said pigments as laser absorbing additive in products comprising at least one polymer material and said encapsulated niobium-doped titanium dioxide containing pigments.
Claims20
Pigments comprising a particle containing niobium-doped titanium dioxide and a layer encapsulating the niobium-doped titanium dioxide containing particle, the encapsulating layer comprising at least a calcium compound wherein the calcium compound is CaO or a mixture of CaO with CaCO3 and/or CaTiO3.
Dependencies are inferred from the claim text.