Biocidal
OwnerAllen Howard Engelinventor
Life of this patent
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Abstract
Biocidal coatings include flake shaped particles that are deposed with a vertical orientation to form a coating which is biocidal to pathogens including viruses, bacteria, biofilms, fungi, microbes, algae, and other pathogens. In some embodiments, the pathogen membrane becomes lacerated when contacting the blade shaped flake particle. In other embodiments, a flake shaped particle which is a semiconductor generates radicals, or hydroxyls, or oxidizers, which transit to pathogens, and stress or deactivate the pathogens. In still more embodiments, this generation of radicals, hydroxyls, or oxidizers by the semiconductive flake shaped particle is increased with light irradiation.
Claims13
A biocidal coating for deactivating a pathogen, said coating comprising:
- a plurality of flake-shaped particles, said plurality of flake-shaped particles selected from the group consisting of MoS2, graphene, reduced graphene, graphene oxide, black phosphorous, white phosphorous, WS2, MoSe2, WSe2, MoTe2, WTe2, NbSe2, NbS2, TaS2, TiS2, NiSe2, SnS2, ZrS2, MnS, MnTe, ZnS, GeS2, ZrSe2, GeS, GaSe, GaTe, InSe, Bi2Se3, mica,
- MoO3, WO3, TiO2, MnO2, V2O5, TaO3, RuO2, LaNb2O7, (Ca,Sr)2Nb3O10, Bi4T3O12, Ca2Ta2TiO10, Ni(OH)2, Eu(OH)2, ZnO2, nickel oxide, and Cu2O, and mixtures thereof;
- a plurality of linkers distinct from said plurality of flake-shaped particles, each of said plurality of linkers having at least one functional group, said functional group selected from the group consisting of mercapto groups, thiol groups, carboxylate groups, hydroxyl groups, silane groups, amino
- groups, glucosamine groups, and mixtures thereof, and
- a plurality of polymer additives distinct from said flake-shaped particles, said plurality of polymer additives comprising at least one of a radiation curing pre-polymer, a thermoplastic polymer, or a thermoset polymer;
- wherein, said plurality of linkers bind said plurality of flake-shaped particles to said plurality of polymer additives;
- and
- at least one of said plurality of flake-shaped particles protrudes from said plurality of polymer additives;
- and
- wherein, a major axis of at least one of said plurality of flake-shaped particles
- has an angle to a top surface of at least one of said plurality of polymer additives,
- said foregoing angle has a deviation from normal,
- said deviation from normal being no greater than 10 degrees.
Dependencies are inferred from the claim text.