CONTINUOUS SELF-DISINFECTING AND PATHOGEN ERADICATING COATING, ARTICLE OF MANUFACTURE WITH THE COATING AND METHOD OF APPLICATION
A long-lasting coating composition that comprises a metal-modified cerium oxide nanoparticles (mCNPs) ingredient selected from a group consisting of predominantly 3+ surface charge and predominantly 4+ surface charge. The m is an antimicrobial promoting metal. The coating composition includes a paint, where the mCNPs ingredient has a weight percent loading less than about 1 weight % in a mixture including the paint that is a durable adhesive coating once cured. The cured paint has a strong bond with the surface to which it is adhered.
1 . A long-lasting and mechanically stable coating composition comprising:
metal-modified cerium oxide nanoparticles (mCNPs) ingredient selected from a group consisting of predominantly 3+ surface charge and predominantly 4+ surface charge, where m is an antimicrobial promoting metal; and
a paint where the mCNPs ingredient has a weight percent loading less than about 1 weight % in a mixture with the paint that is a durable adhesive coating once cured.
2 . The coating composition according to claim 1 , wherein the antimicrobial promoting metal is silver in an amount of 15% to 8% by weight.
3 . The coating composition according to claim 1 , wherein the antimicrobial promoting metal is selected from a group consisting of silver, gold, copper, platinum, nickel, zinc, iron, titanium, ruthenium and vanadium.
4 . The coating composition according to claim 1 , wherein the mCNPs ingredient has a predominantly 3+ surface charge with an average diameter of about 3 nanometers (nm) to 25 nm.
5 . The coating composition according to claim 1 , wherein the mCNPs ingredient has a predominantly 4+ surface charge with an average diameter of about 20 nanometers (nm) to 50 nm.
6 . The coating composition according to claim 1 , further comprising one of: a fluorescing additive, a near infrared (NIR) up-conversion salt and a visible up-conversion salt.
7 . The coating composition according to claim 1 , wherein the coating composition in a cured state eradicates bacteria biofilms at least by 99.9% or >99.999% and the paint comprises one of epoxy, polyurethane, a polyester and a urethane-based clearcoat.
8 . The coating composition according to claim 1 , further comprises:
a nano composite photocatalytic containing solvents for rapid evaporation at room temperature.
9 . The coating composition according to claim 1 , further comprises:
at least one of a pigment, pH buffer, polymethyl-co-poly butyl methacrylate, thermosetting polymers and epoxy resins.
10 . An article of manufacture comprising:
a surface; and
a coating composition of claim 1 , cured on the surface, the coating composition is self-disinfecting and pathogen eradicating.
11 . The article of manufacture according to claim 10 , wherein the antimicrobial promoting metal is silver in an amount of 15% to 8% by weight.
12 . The article of manufacture according to claim 10 , wherein the antimicrobial promoting metal is selected from a group consisting of silver, gold, copper, platinum, nickel, zinc, iron, titanium, ruthenium and vanadium.
13 . The article of manufacture according to claim 10 , wherein the mCNPs ingredient has a predominantly 3+ surface charge with an average diameter of about 3 nanometers (nm) to 25 nm.
14 . The article of manufacture according to claim 10 , wherein the mCNPs ingredient has a predominantly 4+ surface charge with an average diameter of about 20 nanometers (nm) to 50 nm.
15 . The article of manufacture according to claim 10 , wherein the coating composition further comprises one of: a fluorescing additive, a near infrared (NIR) up-conversion salt and a visible up-conversion salt.
16 . The article of manufacture according to claim 10 , wherein the coating composition in a cured state eradicates bacteria biofilms at least by 99.9% or >99.999% and the paint comprises one of epoxy, a polyester and a urethane-based clearcoat.
17 . The article of manufacture according to claim 10 , further comprises:
a nano composite photocatalytic containing solvents for rapid evaporation at room temperature.
18 . The article of manufacture according to claim 10 , further comprises:
at least one of a pH buffer, pigment, polymethyl-co-poly butyl methacrylate, thermosetting polymers and epoxy resins.
19 . A method of disinfecting a surface comprising:
coating the surface with a coating composition of claim 1 ; and
curing the coating composition to form a self-disinfecting coating on the surface which eradicates bacteria biofilms at least by 99.9% or >99.999%.
20 . The method according to claim 19 , wherein the curing of the coating composition includes curing the coating composition with a UV light.
21 . The method according to claim 19 , wherein the curing of the coating composition includes curing the coating composition.
22 . The method according to claim 19 , wherein the coating composition further comprises one of: a fluorescing additive, a near infrared (NIR) up-conversion salt and a visible up-conversion salt.
23 . The method according to claim 19 , wherein the antimicrobial promoting metal is silver in an amount of 15% to 8% by weight.
24 . The method according to claim 19 , wherein the antimicrobial promoting metal is selected from a group consisting of silver, gold, copper, platinum, nickel, zinc, iron, titanium, ruthenium and vanadium and the paint comprises one of epoxy, polyurethane, a polyester and a urethane-based clearcoat.
25 . The method according to claim 19 , wherein the coating composition further comprises:
a nano composite photocatalytic containing solvents for rapid evaporation at room temperature.
26 . The method according to claim 19 , wherein the coating composition further comprises:
at least one of a pH buffer, pigment, polymethyl-co-poly butyl methacrylate, thermosetting polymers and epoxy resins.