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US 2022/0204783 A1Published application
Coating providing controlled absorption and scattering
AssigneeEastman Kodak Company
InventorKevin D. Lofftus
Life of this patent
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Abstract
An article includes a substrate with a surface, a coating disposed over the surface, and a subtractive colorant which absorbs electromagnetic radiation according to a specified absorption spectrum. The coating includes a binder material and a plurality of porous polymer particles having pores with a distribution of pore sizes adapted to scatter electromagnetic radiation in one or more specified wavelength bands, wherein the porous polymer particles have a shell which is impermeable to a liquid.
Claims19
An article comprising:
- a substrate with a surface;
- a coating disposed over the surface, including:
- a plurality of porous polymer particles having pores with a distribution of pore sizes adapted to scatter electromagnetic radiation in one or more specified wavelength bands, wherein the porous polymer particles have a shell which is impermeable to a liquid;
- and
- a binder material;
- and
- a subtractive colorant which absorbs electromagnetic radiation according to a specified absorption spectrum.
4 more elements
Dependencies are inferred from the claim text.