EP2459016A2 - Substrats revêtus et procédés de préparation associés - Google Patents

Substrats revêtus et procédés de préparation associés

Info

Publication number
EP2459016A2
EP2459016A2 EP10805144A EP10805144A EP2459016A2 EP 2459016 A2 EP2459016 A2 EP 2459016A2 EP 10805144 A EP10805144 A EP 10805144A EP 10805144 A EP10805144 A EP 10805144A EP 2459016 A2 EP2459016 A2 EP 2459016A2
Authority
EP
European Patent Office
Prior art keywords
composition
polypeptide
coated article
combination
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10805144A
Other languages
German (de)
English (en)
Inventor
Sally Judith Weine Ramsey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecology Coatings Inc
Original Assignee
Ecology Coatings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ecology Coatings Inc filed Critical Ecology Coatings Inc
Publication of EP2459016A2 publication Critical patent/EP2459016A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
    • A23L19/03—Products from fruits or vegetables; Preparation or treatment thereof consisting of whole pieces or fragments without mashing the original pieces
    • A23L19/05—Stuffed or cored products; Multilayered or coated products; Binding or compressing of original pieces
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/26—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • A23L3/263—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with corpuscular or ionising radiation, i.e. X, alpha, beta or omega radiation
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
    • A23L3/3463—Organic compounds; Microorganisms; Enzymes
    • A23L3/3481—Organic compounds containing oxygen
    • A23L3/3508—Organic compounds containing oxygen containing carboxyl groups
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
    • A23L3/3463—Organic compounds; Microorganisms; Enzymes
    • A23L3/3526—Organic compounds containing nitrogen
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
    • A23P20/10—Coating with edible coatings, e.g. with oils or fats
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
    • A23P20/10—Coating with edible coatings, e.g. with oils or fats
    • A23P20/105—Coating with compositions containing vegetable or microbial fermentation gums, e.g. cellulose or derivatives; Coating with edible polymers, e.g. polyvinyalcohol
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs

Definitions

  • GRAS materials are materials that are regarded by experts as safe for human
  • GRAS materials are exempt from the Federal Food, Drug, and Cosmetic Act (FFDCA) food additive tolerance requirements.
  • GRAS coatings are coatings that are safe for human consumption. GRAS coatings can be applied to food or applied to food packaging.
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a polypeptide, wherein the polypeptide is selected from: cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof, and (ii) a denaturing agent; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated article; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • the composition further comprises a polar solvent.
  • the polar solvent is water.
  • the composition is safe for human consumption, safe for contact with food, or a combination thereof.
  • the curing comprises exposing the composition to actinic radiation having a wavelength from about 200 nm to about 400 nm. In some embodiments, the curing comprises exposing the composition to actinic radiation having a wavelength of about 280 nm. In some embodiments, the composition further comprises an acid. In some embodiments, the
  • composition further comprises: 2, 3 -dihydroxy succinic acid; ethanoic acid; 3- hydroxypentanedioic acid; salts thereof; partial salts thereof; or combinations thereof.
  • the polar solvent has a pH of about 7 or below.
  • the composition further comprises a natural gum, a flavoring agent, a dye, a de-foaming agent, or a combination thereof.
  • the composition further comprises maltodextrin, an oil, or a combination thereof.
  • the substrate is paper, plastic, metal, food, or a combination thereof.
  • the polypeptide is provided in the form of a powder.
  • a coated article comprising: (a) a substrate; and (b) a polypeptide composition, wherein the polypeptide composition comprises a polypeptide selected from: cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof coating the substrate; and wherein the polypeptide composition is cross-linked after coating the substrate; and wherein the polypeptide composition is not coagulated.
  • the polypeptide composition further comprises a polar solvent.
  • the polypeptide composition further comprises water.
  • the polypeptide composition further comprises a denaturing agent.
  • the polypeptide composition is safe for human consumption, safe for contact with food, or a combination thereof.
  • cross-linking the polypeptide composition comprises exposing the polypeptide composition to shortwave actinic radiation.
  • cross-linking the polypeptide composition comprises exposing the polypeptide composition to actinic radiation having a wavelength from about 200 nm to about 400 nm.
  • cross-linking the polypeptide composition comprises exposing the polypeptide composition to actinic radiation having a wavelength of about 280 nm.
  • the polypeptide composition further comprises an acid.
  • the polypeptide composition further comprises: 2,3-dihydroxysuccinic acid; ethanoic acid; 3-hydroxypentanedioic acid; salts thereof; partial salts thereof; or combinations thereof.
  • the polar solvent has a pH of about 7 or below.
  • the polypeptide composition further comprises a natural gum, a flavoring agent, a dye, a de-foaming agent, or a combination thereof.
  • the polypeptide composition further comprises maltodextrin, an oil, or a combination thereof.
  • the substrate is impregnated with the composition.
  • the substrate is paper, plastic, metal, food, or a combination thereof.
  • the polypeptide is in the form of a powder.
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a monomer, an oligomer, or a combination thereof, and (i) a polypeptide, wherein the polypeptide is selected from: cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated substrate; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • the composition is safe for human consumption, safe for contact with food, or a combination thereof.
  • the monomer is trimethylolpropane triacrylate (TMPTA), ethoxylated TMPTA (TMPTEOA), tripropylene glycol diacrylate (TRPGDA), or a combination thereof.
  • the oligomer is epoxy diacrylate.
  • the composition further comprises: a photoinitiator, a diluent, a surfactant, a pigment dispersion, a natural gum, a dye, a de-foaming agent, or a combination thereof.
  • the composition further comprises maltodextrin, an oil, or a combination thereof.
  • the curing comprises exposing the composition to actinic radiation having a wavelength from about 200 nm to about 400 nm. In some embodiments, the curing comprises exposing the composition to actinic radiation having a wavelength of about 280 nm. In some embodiments, coating comprises impregnating the substrate with the composition. In some embodiments, the substrate is paper, plastic, metal, food, or a combination thereof. In some embodiments, the polypeptide is in the form of a powder.
  • a coated article comprising: (a) a substrate; and (b) a composition coating the substrate comprising: (i) a cross-linked monomer, oligomer, or a combination thereof, and (ii) a polypeptide selected from cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof; wherein the composition is cross-linked after coating the substrate, and wherein the composition is not coagulated.
  • the composition is safe for human consumption, safe for contact with food, or a combination thereof.
  • the monomer is trimethylolpropane triacrylate (TMPTA), ethoxylated TMPTA (TMPTEOA), tripropylene glycol diacrylate (TRPGDA), or a combination thereof.
  • the composition further comprises: a diluent, a surfactant, a pigment dispersion, a natural gum, a flavoring agent, a dye, a de-foaming agent, or a
  • the composition further comprises maltodextrin, an oil, or a combination thereof.
  • cross-linking the composition comprises exposing the composition to shortwave actinic radiation.
  • cross-linking the composition comprises exposing the composition to actinic radiation having a wavelength from about 200 nm to about 400 nm.
  • cross-linking the composition comprises exposing the composition to actinic radiation having a wavelength of about 280 nm.
  • the substrate is impregnated with the composition.
  • the substrate is paper, plastic, metal, food, or a combination thereof.
  • the polypeptide is provided in the form of a powder. DETAILED DESCRIPTION OF THE INVENTION
  • a method for preparing a coated article comprising:
  • composition comprising: (i) a polypeptide, wherein the polypeptide is selected from: cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof, and (ii) a denaturing agent; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated article; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • the composition further comprises a polar solvent.
  • the polar solvent is water.
  • the composition is safe for human consumption, safe for contact with food, or a combination thereof.
  • the curing comprises exposing the composition to actinic radiation having a wavelength from about 200 nm to about 400 nm. In some embodiments, the curing comprises exposing the composition to actinic radiation having a wavelength of about 280 nm. In some embodiments, the composition further comprises an acid. In some embodiments, the
  • composition further comprises: 2, 3 -dihydroxy succinic acid; ethanoic acid; 3- hydroxypentanedioic acid; salts thereof; partial salts thereof; or combinations thereof.
  • the polar solvent has a pH of about 7 or below.
  • the composition further comprises a natural gum, a flavoring agent, a dye, a de-foaming agent, or a combination thereof.
  • the composition further comprises maltodextrin, an oil, or a combination thereof.
  • the substrate is paper, plastic, metal, food, or a combination thereof.
  • the polypeptide is provided in the form of a powder.
  • a coated article comprising: (a) a substrate;
  • polypeptide composition (b) a polypeptide composition, wherein the polypeptide composition comprises a polypeptide selected from: cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof coating the substrate; and wherein the polypeptide composition is cross-linked after coating the substrate; and wherein the polypeptide composition is not coagulated.
  • the polypeptide composition further comprises a polar solvent.
  • the polypeptide composition further comprises water.
  • the polypeptide composition further comprises a denaturing agent.
  • the polypeptide composition is safe for human consumption, safe for contact with food, or a combination thereof.
  • cross-linking the polypeptide composition comprises exposing the polypeptide composition to shortwave actinic radiation. In some embodiments, cross-linking the polypeptide composition comprises exposing the polypeptide composition to actinic radiation having a wavelength from about 200 nm to about 400 nm. In some embodiments, cross-linking the polypeptide composition comprises exposing the polypeptide composition to actinic radiation having a wavelength of about 280 nm. In some embodiments, the polypeptide composition further comprises an acid. In some embodiments, the polypeptide composition further comprises: 2,3-dihydroxysuccinic acid; ethanoic acid; 3-hydroxypentanedioic acid; salts thereof; partial salts thereof; or combinations thereof.
  • the polar solvent has a pH of about 7 or below.
  • the polypeptide composition further comprises a natural gum, a flavoring agent, a dye, a de-foaming agent, or a combination thereof.
  • the polypeptide composition further comprises maltodextrin, an oil, or a combination thereof.
  • the substrate is impregnated with the composition.
  • the substrate is paper, plastic, metal, food, or a combination thereof.
  • the polypeptide is in the form of a powder.
  • a method for preparing a coated article comprising:
  • composition comprising: (i) a monomer, an oligomer, or a combination thereof, and (i) a polypeptide, wherein the polypeptide is selected from: cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated substrate; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • the composition is safe for human consumption, safe for contact with food, or a combination thereof.
  • the monomer is trimethylolpropane triacrylate (TMPTA), ethoxylated TMPTA (TMPTEOA), tripropylene glycol diacrylate (TRPGDA), or a combination thereof.
  • the oligomer is epoxy diacrylate.
  • the composition further comprises: a photoinitiator, a diluent, a surfactant, a pigment dispersion, a natural gum, a dye, a de-foaming agent, or a combination thereof.
  • the composition further comprises maltodextrin, an oil, or a combination thereof.
  • the curing comprises exposing the composition to actinic radiation having a wavelength from about 200 nm to about 400 nm. In some embodiments, the curing comprises exposing the composition to actinic radiation having a wavelength of about 280 nm. In some embodiments, coating comprises impregnating the substrate with the composition. In some embodiments, the substrate is paper, plastic, metal, food, or a combination thereof. In some embodiments, the polypeptide is in the form of a powder.
  • a coated article comprising: (a) a substrate;
  • composition coating the substrate comprising: (i) a cross-linked monomer, oligomer, or a combination thereof, and (ii) a polypeptide selected from cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof; wherein the composition is cross-linked after coating the substrate, and wherein the composition is not coagulated.
  • the composition is safe for human consumption, safe for contact with food, or a combination thereof.
  • the monomer is trimethylolpropane triacrylate (TMPTA), ethoxylated TMPTA (TMPTEOA), tripropylene glycol diacrylate (TRPGDA), or a combination thereof.
  • the composition further comprises: a diluent, a surfactant, a pigment dispersion, a natural gum, a flavoring agent, a dye, a de-foaming agent, or a
  • the composition further comprises maltodextrin, an oil, or a combination thereof.
  • cross-linking the composition comprises exposing the composition to shortwave actinic radiation.
  • cross-linking the composition comprises exposing the composition to actinic radiation having a wavelength from about 200 nm to about 400 nm.
  • cross-linking the composition comprises exposing the composition to actinic radiation having a wavelength of about 280 nm.
  • the substrate is impregnated with the composition.
  • the substrate is paper, plastic, metal, food, or a combination thereof.
  • the polypeptide is provided in the form of a powder.
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a sulfur-containing biological molecule, and (ii) a denaturing agent; and (b) curing and cross-linking the
  • composition by exposing the composition to shortwave actinic radiation to form a coated article; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • the sulfur-containing biological molecule is a self-linking component (i.e., it serves as both photoinitiator and the molecule that is cross-linked). In some embodiments, where the sulfur-containing biological molecule is utilized as a self-linking component, the sulfur-containing biological molecule is utilized as a self-linking component.
  • composition does not comprise a monomer, oligomer, or a photoinitiator that is not the aforementioned sulfur-containing biological molecule utilized in the composition.
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a polypeptide, wherein the polypeptide is selected from: cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof, and (ii) a denaturing agent; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated article; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • a composition comprising: (i) a polypeptide, wherein the polypeptide is selected from: cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof, and (ii) a denaturing agent; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated
  • the polypeptide is a self-linking component (i.e., it serves as both photoinitiator and the molecule that is cross-linked).
  • the composition does not comprise a monomer, oligomer, or a photoinitiator that is not the aforementioned sulfur-containing biological molecule utilized in the composition.
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a plant-derived sulfur containing compound, and (ii) a denaturing agent; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated article; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • the plant-derived sulfur containing compound is a self-linking component (i.e., it serves as both photoinitiator and the molecule that is cross-linked).
  • the composition does not comprise a monomer, oligomer, or a photoinitiator that is not the aforementioned sulfur-containing biological molecule utilized in the composition.
  • a coated article comprising: (a) a substrate; and (b) a cross-linked sulfur-containing biological molecule composition coating the substrate; and wherein the composition is not coagulated.
  • a coated article comprising: (a) a substrate; and (b) a cross-linked polypeptide composition selected from cross-linked albumin, cross-linked transferrin, cross-linked ovomucin, cross-linked lysozyme, or combinations thereof coating the substrate; and wherein the composition is not coagulated.
  • a coated article comprising: (a) a substrate; and (b) a cross-linked plant-derived sulfur containing compound composition coating the substrate; and wherein the composition is not coagulated.
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a monomer, an oligomer, or a combination thereof, and (ii) a sulfur-containing biological molecule; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated substrate; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • the sulfur-containing biological molecule is utilized as a photoinitiator.
  • the sulfur-containing biological molecule is utilized as a booster with an additional photoinitiator.
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a monomer, an oligomer, or a combination thereof, and (ii) a polypeptide, wherein the polypeptide is selected from:
  • the polypeptide is utilized as a photoinitiator. In some embodiments, the polypeptide is utilized as a booster with an additional photoinitiator.
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a monomer, an oligomer, or a combination thereof, and (ii) a plant-derived sulfur-containing compound, wherein the plant-derived sulfur-containing compound is derived from: a garlic love, an onion, a leek, or combinations thereof; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated substrate; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • the plant- derived sulfur-containing compound is utilized as a photoinitiator.
  • the plant-derived sulfur-containing compound is utilized as a booster with an additional
  • a coated article comprising: (a) a substrate; and (b) a composition coating the substrate comprising: (i) a cross-linked monomer, oligomer, or a combination thereof, and (ii) a sulfur-containing biological molecule; and wherein the composition is not coagulated.
  • a coated article comprising: (a) a substrate; and (b) a composition coating the substrate comprising: (i) a cross-linked monomer, oligomer, or a combination thereof, and (ii) a polypeptide selected from cysteine, albumin, transferrin, ovomucin, lysozyme, or combinations thereof; and wherein the composition is not coagulated.
  • a coated article comprising: (a) a substrate; and (b) a composition coating the substrate comprising: (i) a cross-linked monomer, oligomer, or a combination thereof, and (ii) a plant-derived sulfur-containing compound derived from: a garlic clove, an onion, a leek or combinations thereof; and wherein the composition is not coagulated.
  • a coating composition disclosed herein is safe for human consumption or safe for contact with food.
  • a coating or coated article is classified as GRAS.
  • GRAS GRAS
  • "GRAS” or “Generally Regarded as Safe” means an FDA designated substance that is considered safe for human consumption and is thus exempted from the Federal Food, Drug, and Cosmetic Act (FFDCA) food additive tolerance requirements.
  • the coating or coated article is intended to be safe for human consumption or safe for contact with food, all components must be safe for human consumption or safe for contact with food.
  • the sulfur-containing biological molecule and substrate are safe for human consumption or safe for contact with food.
  • the polypeptide and substrate are safe for human consumption or safe for contact with food.
  • the plant-derived sulfur-containing compound and substrate are safe for human consumption or safe for contact with food.
  • the coating composition further comprises a denaturing agent, the denaturing agent is safe for human consumption or safe for contact with food.
  • the coating composition further comprises a monomer and/or oligomer, the monomer and/or oligomer is safe for human consumption or safe for contact with food.
  • the coating composition further comprises an additional component selected from: a nano-f ⁇ ller, a diluent, a surfactant, a pigment dispersion, a natural gum, a flavoring agent, a dye, a de- foaming agent, or a combination thereof; the additional component is safe for human
  • the coating or coated article is not intended to be safe for human consumption or safe for contact with food, none of the components must be safe for human consumption or safe for contact with food. Where the coating or coated article is not intended to be GRAS, any of the components may be safe for human consumption or safe for contact with food. Sulfur-Containing Biological Molecules
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a sulfur-containing biological molecule, and (ii) a denaturing agent; and (b) curing and cross-linking the
  • composition by exposing the composition to shortwave actinic radiation to form a coated article; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • a method for preparing a coated article comprising: (a) coating a substrate with a composition comprising: (i) a monomer, an oligomer, or a combination thereof, and (ii) a sulfur-containing biological molecule; and (b) curing and cross-linking the composition by exposing the composition to shortwave actinic radiation to form a coated substrate; wherein the temperature of the composition during the curing process is less than about 70 0 C; and wherein the composition does not coagulate during the curing process.
  • sulfur-containing biological molecule means a molecule (e.g., a polypeptide, an amino acid) that is obtained from a natural source (e.g., a plant, or an animal).
  • a natural source e.g., a plant, or an animal.
  • the sulfur-containing biological molecule is derived from an animal.
  • the sulfur containing molecule is derived from albumen.
  • the sulfur-containing biological molecule is derived from a plant.
  • the sulfur-containing biological molecule is a sulfur containing amino acid. In some embodiments, the sulfur-containing molecule is cysteine. In some embodiments, the sulfur-containing biological molecule is any biological (e.g., naturally- occurring) molecule with a thiol group (also known as a sulfhydryl group). As used herein, a thiol group means a functional group composed of a sulfur atom and a hydrogen atom (-SH). In some embodiments, the sulfur-containing biological molecule is any polypeptide with a thiol group. In some embodiments, the sulfur-containing biological molecule is any naturally- occurring molecule with a cysteine. In some embodiments, the sulfur-containing biological molecule is any naturally-occurring polypeptide with a cysteine.
  • the sulfur-containing biological molecule is safe for human consumption or safe for contact with food. In some embodiments, the sulfur-containing biological molecule is found on the list of GRAS components issued by the FDA.
  • the sulfur-containing biological molecule is a polypeptide obtained from albumen. In some embodiments, the sulfur-containing biological molecule is a polypeptide selected from: albumin, transferrin, ovomucin, lysozyme, or combinations thereof. In some embodiments, the sulfur-containing biological molecule is a polypeptide selected from: albumin, transferrin, and ovomucin. In some embodiments, the sulfur-containing biological molecule is a polypeptide selected from: albumin and transferrin. In some embodiments, the sulfur-containing biological molecule is a polypeptide selected from: albumin and ovomucin.
  • the sulfur-containing biological molecule is a polypeptide selected from: albumin and lysozyme. In some embodiments, the sulfur-containing biological molecule is a polypeptide selected from: transferrin and ovomucin. In some embodiments, the sulfur- containing biological molecule is a polypeptide selected from: transferrin and lysozyme. In some embodiments, the sulfur-containing biological molecule is a polypeptide selected from:
  • the sulfur-containing biological molecule is albumin. In some embodiments, the sulfur-containing biological molecule is ovomucin. In some embodiments, the sulfur-containing biological molecule is transferrin. In some embodiments, the sulfur-containing biological molecule is lysozyme. In some embodiments, the sulfur-containing biological molecule is cysteine.
  • the sulfur-containing biological molecule is obtained from a plant. In some embodiments, the sulfur-containing biological molecule is obtained from an onion. In some embodiments, the sulfur-containing biological molecule is obtained from a leek. In some embodiments, the sulfur-containing biological molecule is obtained from garlic.
  • the sulfur-containing biological molecule is dehydrated before being used to make a coating disclosed herein.
  • the sulfur-containing biological molecule is provided in the form of a powder (e.g., the sulfur-containing biological molecule is contained within powdered albumen).
  • the sulfur-containing biological molecule is provided as a lyophilized powder.
  • the sulfur- containing biological molecule is pasteurized before being dehydrated.
  • the sulfur-containing biological molecule comprises about 99% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 98% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 97% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 96% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 95% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 94% w/w of the coating composition. In some embodiments,
  • the sulfur-containing biological molecule comprises about 93% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 92% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 91% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 90% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 85% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 80% w/w of the coating composition. In some
  • the sulfur-containing biological molecule comprises about 75% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 70% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 65% w/w of the coating composition. In some
  • the sulfur-containing biological molecule comprises about 60% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 50% w/w of the coating composition. In some embodiments, the sulfur-containing biological molecule comprises about 40% w/w of the coating composition. In some
  • the sulfur-containing biological molecule comprises about 30% w/w of the coating composition.
  • the polypeptide comprises about 99% w/w of the coating composition. In some embodiments, the polypeptide comprises about 98% w/w of the coating composition. In some embodiments, the polypeptide comprises about 97% w/w of the coating composition. In some embodiments, the polypeptide comprises about 96% w/w of the coating composition. In some embodiments, the polypeptide comprises about 95% w/w of the coating composition. In some embodiments, the polypeptide comprises about 94% w/w of the coating composition. In some embodiments, the polypeptide comprises about 93% w/w of the coating composition. In some embodiments, the polypeptide comprises about 92% w/w of the coating composition.
  • the polypeptide comprises about 91% w/w of the coating composition. In some embodiments, the polypeptide comprises about 90% w/w of the coating composition. In some embodiments, the polypeptide comprises about 85% w/w of the coating composition. In some embodiments, the polypeptide comprises about 80% w/w of the coating composition. In some embodiments, the polypeptide comprises about 75% w/w of the coating composition. In some embodiments, the polypeptide comprises about 70% w/w of the coating composition. In some embodiments, the polypeptide comprises about 65% w/w of the coating composition. In some embodiments, the polypeptide comprises about 60% w/w of the coating composition. In some embodiments, the polypeptide comprises about 50% w/w of the coating composition. In some embodiments, the polypeptide comprises about 40% w/w of the coating composition. In some embodiments, the polypeptide comprises about 30% w/w of the coating composition.
  • the plant-derived sulfur containing compound comprises about 99% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 98% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 97% w/w of the coating
  • the plant-derived sulfur containing compound comprises about 96% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 95% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 94% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 93% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 92% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 91% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 90% w/w of the coating composition.
  • the plant-derived sulfur containing compound comprises about 85% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 80% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 75% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 70% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 65% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 60% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 50% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 40% w/w of the coating composition. In some embodiments, the plant-derived sulfur containing compound comprises about 30% w/w of the coating composition.
  • the sulfur-containing biological molecule is denatured such that the thiol groups are exposed.
  • the polypeptide is denatured such that the thiol groups are exposed.
  • the plant-derived sulphur containing compound is denatured such that the thiol groups are exposed.
  • the sulfur-containing biological molecule is denatured by an agent (i.e., the denaturing agent) that is safe for human consumption or safe for contact with food.
  • the polypeptide is denatured by an agent (i.e., the denaturing agent) that is safe for human consumption or safe for contact with food.
  • the plant-derived sulphur containing compound is denatured by an agent (i.e., the denaturing agent) that is safe for human consumption or safe for contact with food.
  • the denaturing agent is found on the list of GRAS components issued by the FDA.
  • the denaturing agent is an acid.
  • the denaturing agent is 2, 3 -dihydroxy succinic acid (also known as tartaric acid); ethanoic acid (also known as acetic acid); 3-hydroxypentanedioic acid (also known as citric acid); salts thereof; partial salts thereof; or combinations thereof.
  • the denaturing agent is vinegar.
  • the denaturing agent is lemon juice.
  • the denaturing agent is a compound with the formula KC 4 HsO 6 (also known as potassium bitartrate, also known as potassium hydrogen tartrate, also known as Cream of Tartar).
  • the denaturing agent comprises about 20% w/w of the coating composition. In some embodiments, the denaturing agent comprises about 15% w/w of the coating composition. In some embodiments, the denaturing agent comprises about 10% w/w of the coating composition. In some embodiments, the denaturing agent comprises about 9% w/w of the coating composition. In some embodiments, the denaturing agent comprises about 8% w/w of the coating composition. In some embodiments, the denaturing agent comprises about 7% w/w of the coating composition. In some embodiments, the denaturing agent comprises about 6% w/w of the coating composition. In some embodiments, the denaturing agent comprises about 5% w/w of the coating composition.
  • the denaturing agent comprises about 4% w/w of the coating composition. In some embodiments, the denaturing agent comprises about 3% w/w of the coating composition. In some embodiments, the denaturing agent comprises about 2% w/w of the coating composition. In some
  • the denaturing agent comprises about 1% w/w of the coating composition.
  • the composition further comprises a polar solvent.
  • a polar solvent is a solvent that is able to dissolve a dipolar or charged solute.
  • the solvent is safe for human consumption or safe for contact with food.
  • the solvent is GRAS according to the FDA.
  • the polar solvent is water.
  • the polar solvent is an alcohol.
  • the polar solvent is ethanol.
  • the polar solvent is a glycol.
  • the polar solvent is a combination of water and ethanol.
  • the polar solvent is a combination of water and glycol.
  • the polar solvent is a combination of ethanol and glycol.
  • the polar solvent has a pH from about 2 to about 7. In some embodiments, the polar solvent has a pH of about 7 or below. In some embodiments, the polar solvent has a pH of about 6 or below. In some embodiments, the polar solvent has a pH of about 5 or below. In some embodiments, the polar solvent has a pH of about 4 or below. In some embodiments, the polar solvent has a pH of about 3 or below.
  • the polar solvent comprises about 90% w/w of the coating composition. In some embodiments, the polar solvent comprises about 85% w/w of the coating composition. In some embodiments, the polar solvent comprises about 84% w/w of the coating composition. In some embodiments, the polar solvent comprises about 83% w/w of the coating composition. In some embodiments, the polar solvent comprises about 82% w/w of the coating composition. In some embodiments, the polar solvent comprises about 81% w/w of the coating composition. In some embodiments, the polar solvent comprises about 80% w/w of the coating composition. In some embodiments, the polar solvent comprises about 75% w/w of the coating composition. In some embodiments, the polar solvent comprises about 70% w/w of the coating composition. In some embodiments, the polar solvent comprises about 60% w/w of the coating composition. In some embodiments, the polar solvent comprises about 50% w/w of the coating composition.
  • the sulfur-containing biological molecule in a coating composition disclosed herein is utilized as a photoinitiator in combination with a second photoinitiator.
  • the polypeptide in a coating composition disclosed herein is utilized as a photoinitiator in combination with a second photoinitiator.
  • the plant-derived sulfur containing compound in a coating composition disclosed herein is utilized as a photoinitiator in combination with a second photoinitiator.
  • the composition further comprises a monomer, an oligomer, or a combination thereof.
  • the composition further comprises a monomer, an oligomer, or a combination thereof.
  • the plant- derived sulfur-containing compound in a coating composition disclosed herein is utilized as a photoinitiator in combination with a second photoinitiator, the composition further comprises a monomer, an oligomer, or a combination thereof.
  • the sulfur- containing biological molecule composition is utilized as a self-linking component, the composition does not comprise a monomer, an oligomer, or a combination thereof.
  • the composition does not comprise a monomer, an oligomer, or a combination thereof.
  • the plant-derived sulfur-containing compound composition is utilized as a self-linking component, the composition does not comprise a monomer, an oligomer, or a combination thereof.
  • a coating composition disclosed herein comprises at least one monomer, monomeric unit (e.g., in a polymer or oligomer formed from a mono -functional monomer), oligomer, or a combination thereof.
  • a coating composition disclosed herein comprises a combination of monomers, monomeric units, and/or oligomers.
  • a source of actinic radiation such as ultraviolet light
  • monomers described upon exposure to a source of actinic radiation, such as ultraviolet light, and in the presence of a photo-initiator, monomers described are rapidly polymerized to form oligomers comprising monomeric units of the monomers described.
  • compositions herein may comprise momomeric units in the form of monomers, oligomers, or monomers and oligomers.
  • any monomer utilized must be safe for human consumption or safe for contact with food.
  • the monomer is a GRAS monomer.
  • the monomer is trimethylolpropane triacrylate (TMPTA), ethoxylated TMPTA (TMPTEOA), tripropylene glycol diacrylate (TRPGDA), or a combination thereof.
  • any monomer may be utilized.
  • the monomer is: 2-phenoxy ethyl acrylate, isobornyl acrylate, acrylate ester derivatives, methacrylate ester derivatives, tetrahydrofurfuryl acrylate, trimethylolpropane triacrylate, 2-phenoxyethyl acrylate esters, or combinations thereof.
  • the monomer, monomeric unit, and/or oligomer is present in a coating composition disclosed herein in any suitable amount.
  • the monomer, monomeric unit, and/or oligomer comprises about 50% w/w of the coating composition.
  • the monomer, monomeric unit, and/or oligomer comprises about 40% w/w of the coating composition.
  • the monomer, monomeric unit, and/or oligomer comprises about 30% w/w of the coating composition.
  • the monomer, monomeric unit, and/or oligomer comprises about 20% w/w of the coating composition. In some embodiments, the monomer, monomeric unit, and/or oligomer comprises about 15% w/w of the coating composition. In some embodiments, the monomer, monomeric unit, and/or oligomer comprises about 10% w/w of the coating composition. In some embodiments, the monomer, monomeric unit, and/or oligomer comprises about 9% w/w of the coating composition. In some embodiments, the monomer, monomeric unit, and/or oligomer comprises about 8% w/w of the coating composition.
  • the monomer, monomeric unit, and/or oligomer comprises about 7% w/w of the coating composition. In some embodiments, the monomer, monomeric unit, and/or oligomer comprises about 6% w/w of the coating composition. In some embodiments, the monomer, monomeric unit, and/or oligomer comprises about 5% w/w of the coating composition. In some embodiments, the monomer, monomeric unit, and/or oligomer comprises about 4% w/w of the coating composition. In some embodiments, the monomer, monomeric unit, and/or oligomer comprises about 3% w/w of the coating composition.
  • the monomer, monomeric unit, and/or oligomer comprises about 2% w/w of the coating composition. In some embodiments, the monomer, monomeric unit, and/or oligomer comprises about 1% w/w of the coating composition.
  • a coating composition disclosed herein comprises TMPTA in any suitable amount (e.g., from about 50% to about 1% w/w/). In an embodiment, a composition disclosed herein comprises TMPTEOA in any suitable amount (e.g., from about 50% to about 1% w/w/). In an embodiment, a coating composition disclosed herein comprises TRPGDA in any suitable amount (e.g., from about 50% to about 1% w/w/).
  • the composition is coated onto a substrate or article.
  • substrate or article is a paper, a plastic, a metal, or a food article.
  • the substrate or article is a paper.
  • paper means any article made from plant fibers (e.g., cellulose).
  • the paper is made from wood (e.g., spruce, pine, fir, larch and hemlock, and hardwoods such as eucalyptus, aspen and birch).
  • the paper is made from papyrus.
  • the paper is made from cotton.
  • the paper is made from flax.
  • the paper is made from abaca.
  • the paper is paperboard.
  • the paper is cardboard.
  • the paper is kraft paper.
  • the paper is manila paper.
  • the paper is sack paper.
  • the substrate or article is a plastic.
  • plastic means any article made from a synthetic or semisynthetic organic amorphous solid material.
  • the plastic is made from the polymerization of acrylic monomers, polyester monomers, silicone monomers, polyurethane monomers, or combinations thereof.
  • the plastic is a thermoplastic.
  • the plastic is a thermoset.
  • the substrate or article is a metal.
  • the article is a metal alloy.
  • the metal is sodium, potassium, calcium, magnesium, aluminum, nickle, copper, iron, silver, platinum, gold, or combinations thereof.
  • the substrate or article is food.
  • food means any article that is intended to be consumed by a mammal, especially a human.
  • the food is a fruit (e.g., an apple, a peach, a strawberry, a cherry). In some embodiments, the food is a dried fruit. In some embodiments, the food is a vegetable (e.g., a cucumber, a zucchini, a squash). In some embodiments, the food is a dried vegetable. In some embodiments, the food is a meat (e.g., chicken, pork, beef, or fish). In some embodiments, the food is a candy. In some embodiments, the food is a baked good (e.g., a cookie, a bread, a doughnut, or a pastry).
  • a baked good e.g., a cookie, a bread, a doughnut, or a pastry.
  • the coating composition is applied onto the outside of the substrate or article. In some embodiments, the coating is impregnated into the substrate or article.
  • compositions maybe applied to substrates by means of spraying, brushing, rolling, dipping, blade coating, curtain coating or a combination thereof.
  • the means of spraying can include, but is not limited to, the use of a High Volume Low Pressure (HVLP) spraying systems, air-assisted/airless spraying systems, or electrostatic spraying systems.
  • HVLP High Volume Low Pressure
  • the emission spectra of the lamp must overlap the absorbance spectrum of the photo-initiator.
  • the curing comprises exposing the composition to actinic radiation having a wavelength from about 200 nm to about 400 nm. In some embodiments, the curing comprises exposing the composition to actinic radiation having a wavelength of about 280 nm.
  • Light sources used for UV curing include arc lamps, such as carbon arc lamps, xenon arc lamps, mercury vapor lamps, tungsten halide lamps, lasers, the sun, sunlamps, and fluorescent lamps with ultra-violet light emitting phosphors.
  • arc lamps such as carbon arc lamps, xenon arc lamps, mercury vapor lamps, tungsten halide lamps, lasers, the sun, sunlamps, and fluorescent lamps with ultra-violet light emitting phosphors.
  • Medium pressure mercury and high pressure xenon lamps have various emission lines at wavelengths which are absorbed by most commercially available photo-initiators.
  • mercury arc lamps can be doped with iron or gallium.
  • lasers are monochromatic (single wavelength) and can be used to excite photo-initiators which absorb at wavelengths that are too weak or not available when using arc lamps.
  • medium pressure mercury arc lamps have intense emission lines at 254 nm, 265 nm, 295 nm, 301 nm, 313 nm, 366 nm, 405/408 nm, 436 nm, 546 nm, and 577/579 nm. Therefore, a photo-initiator with an absorbance maximum at 350 nm may not be a efficiently excited using a medium pressure mercury arc lamp, but could be efficiently initiated using a 355 nm Nd:YV04 (Vanadate) solid-state lasers.
  • UV/Visible light sources with varied spectral output in the range of 250-450 nm may be used directly for curing purposes; however wavelength selection can be achieved with the use of optical bandpass or longpass filters. Therefore, as described herein, the user can take advantage of the optimal photo-initiator absorbance characteristics.
  • curing of a coating composition disclosed herein is achieved in any suitable amount of time.
  • the time period for exposing a coating composition disclosed herein to actinic radiation is less than 2 minutes.
  • the time period for exposing a coating composition disclosed herein to actinic radiation is less than 1 minute.
  • the time the time period for exposing a coating composition disclosed herein to actinic radiation is less than 15 seconds.
  • a coating composition disclosed herein can optionally be exposed to two sources of actinic radiation (e.g., for any suitable amount of time).
  • the time between the first actinic radiation step and the second actinic radiation step is less than 2 minutes. In further embodiments, the time between the first actinic radiation step and the second actinic radiation step is less than 1 minute. In further embodiments, the time between the first actinic radiation step and the second actinic radiation step is less than 15 seconds.
  • the temperature of the coating during curing does not exceed 100 0 C. In some embodiments, the temperature of the coating during curing does not exceed 90 0 C. In some embodiments, the temperature of the coating during curing does not exceed 80 0 C. In some embodiments, the temperature of the coating during curing does not exceed 75°C. In some embodiments, the temperature of the coating during curing does not exceed 70 0 C. In some embodiments, the temperature of the coating during curing does not exceed 65°C. In some embodiments, the temperature of the coating during curing does not exceed 60 0 C. In some embodiments, the temperature of the coating during curing does not exceed 55°C. In some embodiments, the temperature of the coating during curing does not exceed 50 0 C.
  • the temperature of the coating during curing does not exceed 45°C. In some embodiments, the temperature of the coating during curing does not exceed 40 0 C. In some embodiments, the temperature of the coating during curing does not exceed 39°C. In some embodiments, the temperature of the coating during curing does not exceed 38°C. In some embodiments, the temperature of the coating during curing does not exceed 37°C.
  • the sulfur-containing biological molecule e.g., polypeptide or plant-derived sulfur containing compound
  • the composition further comprises a nano-f ⁇ ller, a photoinitiator, a surfactant, a diluent, a pigment or pigment dispersion, or a combination thereof.
  • the sulfur-containing biological molecule e.g., polypeptide or plant-derived sulfur containing compound
  • the composition does not comprise a nano-f ⁇ ller, a photoinitiator, a surfactant, a diluent, a pigment or pigment dispersion, or a combination thereof.
  • any nano-filler utilized must be safe for human consumption or safe for contact with food.
  • a coating composition disclosed herein further comprises a nano-filler.
  • nano-fillers comprise insoluble inorganic particles, and/or insoluble organic particles.
  • the inorganic nano-fillers are generally metal oxides, although other inorganic compounds can be used.
  • inorganic nano-fillers examples include aluminum nitrides, aluminum oxides, antimony oxides, barium sulfates, bismuth oxides, cadmium selenides, cadmium sulfides, calcium sulfates, cerium oxides, chromium oxides, copper oxides, indium tin oxides, iron oxides, lead chromates, nickel titanates, niobium oxides, rare earth oxides, silicas, silicon dioxides, silver oxides, tin oxides, titanium dioxides, zinc chromates, zinc oxides, zinc sulfides, zirconium dioxides, and zirconium oxides.
  • organic nano- fillers are generally polymeric materials ground into appropriate sized particulates.
  • nanometer sized organic nano-fillers include, but are not limited to, nano- polytetrafluoroethylene, acrylate nanosphere colloids, methacrylate nanosphere colloids, and combinations thereof, although micron sized fillers of the polytetrafluoroethylene, acrylate, methacrylate, and combinations thereof may be used.
  • a coating composition disclosed herein further comprises nano- alumina.
  • Nano- alumina is composed of high purity aluminum oxide that is of nanometer size, including by way of example less than 200 nm, and within the range of approximately 5-40 nanometer discrete spherical particles.
  • a coating composition disclosed herein further comprises nano-silicon dioxide (nano-silica, e.g., C 155: 50/50 nanosilica and propoxylated glyceryl triacrylate).
  • Nano-silicon dioxides include those sold under the name Nanocryl ® C by Hanse Chemie (Geesthacht, Germany), such as Nanocryl ® C 350, Nanocryl ® C 130, Nanocryl ® C 140, Nanocryl ® C 145, Nanocryl ® C 146, Nanocryl ® C 150, Nanocryl ® C 153, Nanocryl ® C 155, Nanocryl ® C 165.
  • Nanocryl ® C 155 is included in the present compositions.
  • Nano-silicon dioxides having a nanometer size including by way of example less than about 200 nm, and by way of further example, with an average particle size 5 to 40 nm, can be incorporated into compositions. Addition of nano-silicon dioxides may impart improved toughness, hardness and abrasion and scratch resistance.
  • nano-fillers include: oxides, carbides, nitrides, borides, silicates, ferrites and titanates.
  • examples of such nano- fillers are, but not limited to, nano-zirconium oxide, nano-zirconium dioxides, nano- silicon carbide, nano-silicon nitride, nano-sialon (silicon aluminum oxynitride), nano- aluminum nitrides, nano-bismuth oxides, nano-cerium oxides, nano-copper oxides, nano- iron oxides, nano-nickel titanates, nano- niobium oxides, nano-rare earth oxides, nano- silver oxides, nano-tin oxides, and nano- titanium oxides. These materials have relatively high mechanical strength at high temperatures.
  • nano-fillers used in the composition described herein include amorphous silicon dioxide prepared with polyethylene wax, synthetic amorphous silica with organic surface treatment, untreated amorphous silicon dioxide, alkyl quaternary bentonite, colloidal silica, acrylated colloidal silica, alumina, zirconia, zinc oxide, niobia, titania aluminum nitride, silver oxide, cerium oxides, and combinations thereof.
  • the silicon dioxides are chosen from a group consisting of both synthetic and natural silicon dioxides with surface treatments including polyethylene wax or waxes and IRGANOX® from Ciba Specialty Chemicals 540 White Plains Road, Tarrytown, New York, U.S.A.
  • the average particle size of nano-fillers in the compositions described herein includes by way of example less than about 20 ⁇ m, and by way of further example, with an average particle size 1 to 10 ⁇ m discrete particles; whereas, the average particle size of nano-f ⁇ ller particles includes by way of example less than about 200 nm, and by way of further example, with an average particle size 5 to 50 nm discrete particles.
  • nano-f ⁇ ller particles have an average diameter of 10, 20, 30, or 40 nm.
  • the particle size distribution of nano-f ⁇ ller particles ranges from 1 nm to 60 nm, such as from 5 nm to 30 nm.
  • Nano-fillers are present in a coating composition disclosed herein in an amount ranging from 10 to 60% wt/wt, such as from 25 to 55% wt/wt, 30 to 50% wt/wt, or 30 to 40% wt/wt.
  • a coating composition disclosed herein comprises from 31-36% wt/wt of nanofiller.
  • a coating composition disclosed herein further comprises at least one photo-initiator. In a further or alternative embodiment, a coating composition disclosed herein further comprises at least two photo-initiators. In further or alternative embodiment, a coating composition disclosed herein further comprises at least three photo-initiators.
  • photo-initiators are added to initiate rapid polymerization of monomers in the composition upon exposure to a source of actinic radiation, such as ultraviolet light.
  • the photo- initiator can be matched to the spectral properties of the UV source, such as medium pressure mercury arc lights which produce intense UV-C (200-280 nm) radiation, doped mercury discharge lamps which produce UV-A (315-400 nm) radiation, or UV-B (280-315 nm) radiation depending on the dopant, or combination of lamp types.
  • varying UV source(s) may be employed.
  • photo-initiator Any suitable type of photo-initiator may be used in the composition, including those categorized as free radicals.
  • the photo-initiator may be in liquid or solid form.
  • combinations of photo-initiators may be used which encompass different spectral properties of the UV sources used to initiate polymerization.
  • any photoinitiator utilized must be safe for human consumption or safe for contact with food.
  • the photoinitiator is a GRAS photoinitiator.
  • the photoinitiator is ESACURE ONE.
  • the photo-initiator may be selected from a group consisting of diphenyl (2, 4, 6 - trimethylbenzoyl) phosphine oxide, benzophenone, ESACURE ® KTO, IRGACURE ® 184, IRGACURE ® 500, DARACUR ® 1173, Lucirin ® TPO, 1-hydroxycyclohexyl phenyl ketone, 2- hydroxy-2-methyl-l-phenyl-propan-l-one, 2, 4, 6,-trimethylbenzophenone, A- methylbenzophenone, oligo (2 -hydroxy-2 -methyl - l-(4-(l- methylvinyl)phenyl)propanone), and combinations thereof.
  • the photo- initiators may be selected from a group consisting of phosphine oxide type photoinitiators, diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide, benzophenone, 1- hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-l-phenyl- propan-1-one (DAROCUR ® 1173 from Ciba Specialty Chemicals 540 White Plains Road, Tarrytown, New York, U.S.A.)), 2,4,6-trimethylbenzophenone and 4-methylbenzophenone, ESACURE ® KTO 46 (Lamberti S.p.A., Gallarate (VA), Italy), oligo(2-hydroxy-2- methyl-l-(4- (l-methylvinyl)phenyl)propanone), amine acrylates, thioxanthones, benzyl methyl ketal, and mixtures thereof.
  • phosphine oxide type photoinitiators diphen
  • the photo -initiators may be selected from 2-hydroxy-2-methyl-l- phenyl-propan-1-one (DAROCUR ® 1173 from Ciba Specialty Chemicals 540 White Plains Road, Tarrytown, New York, U.S.A.), phosphine oxide type photoinitiators, IRGACURE (D 500, 819, or 1700 (Ciba Specialty Chemicals 540 White Plains Road, Tarrytown, New York, U.S.A.), amine acrylates, thioxanthones, benzyl methyl ketal, ESACURE® ONE, and mixtures thereof.
  • DAROCUR ® 1173 from Ciba Specialty Chemicals 540 White Plains Road, Tarrytown, New York, U.S.A.
  • IRGACURE IRGACURE
  • amine acrylates thioxanthones
  • benzyl methyl ketal ESACURE® ONE
  • photo-initiators which are suitable for use in the practice of the present invention include, but are not limited to, l-phenyl-2-hydroxy-2-methyl-l-propanone, oligo ⁇ 2-hydroxy-2 methyl- l-4-(methylvinyl)phenylpropanone) ⁇ , 2-hydroxy 2-methyl-l- phenyl propan-1 one, bis (2,6-dimethoxybenzoyl)-2,4,4-trimethylpentyl phosphine oxide, 1-hydroxycyclohexyl phenyl ketone and benzophenone as well as mixtures thereof.
  • Still other useful photoinitiators include, for example, bis(n,5,2,4- cyclopentadien -l-yl)-bis 2,6 -difluoro-3-(lH-pyrol-l-yl) phenyl titanium and 2-benzyl -2-N,N-dimethyl amino -1- (4-morpholinophenyl) -1- butanone.
  • IRGACURE ® 784 and IRGACURE ® 369 are useful photoiniators.
  • useful photoiniators include, for example, 2-methyl-l-4(methylthio)-2- morpholinopropan-1-one, 4-(2 -hydroxy) phenyl - 2-hydroxy-2-(methylpropyl)ketone, 1 -hydroxy cyclohexyl phenyl ketone benzophenone, (cyclopentadienyl)( 1 -methylethyl)benzene-iron hexafluorophosphate, 2,2-dimemoxy-2- phenyl- 1-acetophen-one 2,4,6- trimethyl benzoyl-diphenyl phosphine oxide, benzoic acid, 4-(dimethyl amino)-ethyl ether, as well as mixtures thereof.
  • a coating composition disclosed herein further comprises at least one photo-initiator comprising ce-hydroxyketone, such as 1-hydroxy- cyclohexyl-phenyl- ketone.
  • a coating composition disclosed herein further comprises at least one photo-initiator comprising benzophenone.
  • a coating composition disclosed herein further comprises at least one photo-initiator comprising a benzoyl diaryl phosphine, such as 2,4,6- trimethylbenzoyl)diphenylphosphine oxide.
  • a coating composition disclosed herein further comprises a
  • a coating composition disclosed herein further comprises IRGACURE ® 184 and IRGACURE ® 500. In another embodiment, a coating composition disclosed herein further comprises IRGACURE ® 184, IRGACURE ® 500, and Lucirin ® TPO.
  • the photo-initiator(s) are present in a coating composition disclosed herein in any suitable amount including, e.g., an amount ranging from 0.5-10% wt/wt, such as from 1 to 9% wt/wt, 3 to 8% wt/wt, or 4 to 6% wt/wt.
  • a coating composition disclosed herein further comprises a combination of photo-initiators, wherein each photo-initiator is present in an amount ranging from 0.5- 5% wt/wt, such as from 1 to 4% wt/wt or 2 to 3% wt/wt.
  • a coating composition disclosed herein further comprises
  • IRGACURE ® 184 in an amount ranging from 2 to 6% wt/wt, such as about 2, 3, 4, 5, or 6% wt/wt and IRGACURE ® 500 in an amount ranging from 0.5 to 4% wt/wt, such as about 0.5, 1, 2, 3, or 4% wt/wt.
  • a coating composition disclosed herein further comprises a pigment (e.g., a pigment dispersion).
  • a pigment dispersion optionally comprise a second photo-initiator comprising benzoyl diaryl phosphine oxide.
  • phosphine oxide type photo-initiators are effective in pigmented composition, including, by way of example only, black and UV-curable coating materials. Phosphine oxides also find use as photo-initiators for white coatings.
  • a coating composition disclosed herein further comprises a pigment dispersion and a photo-initiator comprising 2,4,6-trimethylbenzoyl)diphenylphosphine oxide, such as Lucirin ® TPO.
  • a coating composition disclosed herein further comprises a photo- initiator comprising benzoyl diaryl phosphine oxide that is present in an amount ranging from 0.5- 5% wt/wt, such as from 1 to 4% wt/wt or 2 to 3% wt/wt.
  • the photo- initiator comprising benzoyl diaryl phosphine oxide may be present in the composition in an amount of about 0.5, 1, 2, 3, or 4% wt/wt.
  • any surfactant utilized must be safe for human consumption or safe for contact with food.
  • a coating composition disclosed herein further comprises at least one surfactant.
  • surfactants include, but are not limited to, polymers such as polystyrene, polypropylene, polyesters, styrene-methacrylic acid type copolymers, styrene- acrylic acid type copolymers, polytetrafluoroethylene, polychlorotrifluoroethylene,
  • Additional surfactants include olefins, such as polyethylene, polypropylene, polybutadiene, and the like; vinyls, such as polyvinylchlori.de, polyvinylesters, polystyrene; acrylic homopolymers and copolymers; phenolics; amino resins; alkyds, epoxys, siloxanes, nylons, polyurethanes, phenoxys, polycarbonates, polysulfones, polyesters (optionally chlorinated), polyethers, acetals, polyimides, and polyoxy ethylenes.
  • Further exemplary surfactants include cross-linked as well as non-crosslinked acrylates that are compatible with UV curing compositions, such as
  • crosslinkable silicone acrylate
  • Exemplary surfactants include those manufactured under the name TEGO® Rad by Degussa AG (Essen, Germany) and include TEGO® Rad 2100, 2200, 2250, 2300, 2500, 2600, 2650, and 2700.
  • the surfactant(s) are present in a compositions in any suitable amount including, e.g., in an amount ranging from 0.01-2.0% wt/wt, such as about 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 1.0, 1.2, 1.4, 1.6, 1.8, or 2.0 % wt/wt.
  • any diluent utilized must be safe for human consumption or safe for contact with food.
  • a coating composition disclosed herein further comprises at least one diluent.
  • the diluent is appropriate for diluting oligomers, e.g., as a diluting monomeric unit.
  • a coating composition disclosed herein further comprises a reactive diluent that produces polymers through the formation of free radicals when exposed to a source of actinic radiation, such as ultraviolet light.
  • Representative diluents include, but are not limited to, isobornyl acrylate, isodecyl acrylate, trimethylolpropane triacrylate (TMPTA), di-trimethylolpropane triacrylate (Di- TMPTA), propoxylated TMPTA (PO6-TMPTA), and combinations or monomeric units thereof.
  • TMPTA trimethylolpropane triacrylate
  • DI- TMPTA di-trimethylolpropane triacrylate
  • PO6-TMPTA propoxylated TMPTA
  • diluents that may be employed in the present composition are also categorized as mono-functional or multi-functional monomeric units, described and listed herein.
  • a coating composition disclosed herein further comprises at least one diluent in an amount ranging from 2-20% wt/wt, such as from 5 to 18% wt/wt, 7 to 15% wt/wt, or 10 to 12% wt/wt.
  • a coating composition disclosed herein further comprises isobornyl acrylate in an amount ranging from 2-20% wt/wt, such as from 5 to 18% wt/wt, 7 to 15% wt/wt, or 10 to 12% wt/wt.
  • any pigment or pigment dispersion utilized must be safe for human consumption or safe for contact with food.
  • a coating composition disclosed herein optionally comprises at least one pigment or pigment dispersion.
  • pigments are insoluble white, black, or colored material, e.g., PC 9003 (white bonded pigment).
  • Various organic pigments are used with a composition described herein, including, but not limited to, carbon black, azo-pigment, phthalocyanine pigment, thioindigo pigment, anthraquinone pigment, flavanthrone pigment, indanthrene pigment, anthrapyridine pigment, pyranthrone pigment, perylene pigment, perynone pigment and quinacridone pigment.
  • Various inorganic pigments are used with a composition described herein, for example, but not limited to, titanium dioxide, aluminum oxide, zinc oxide, zirconium oxide, iron oxides: red oxide, yellow oxide and black oxide, Ultramarine blue, Prussian blue, chromium oxide and chromium hydroxide, barium sulfate, tin oxide, calcium, titanium dioxide (rutile and anatase titanium), sulfate, talc, mica, silicas, dolomite, zinc sulfide, antimony oxide, zirconium dioxide, silicon dioxide, cadmium sulfide, cadmium selenide, lead chromate, zinc chromate, nickel titanate, clays such as kaolin clay, muscovite and sericite.
  • a coating composition disclosed herein optionally comprises at least one pigment or pigment dispersion in an amount ranging from 1-12% wt/wt, such as from 3 to 10% wt/wt, or 5 to 9% wt/wt.
  • a coating composition disclosed herein further comprises a natural gum, a flavoring agent, a dye, a de-foaming agent, or a combination thereof.
  • a coating composition disclosed herein further comprises a natural gum.
  • the gum is arabic gum, karaya gum, locust bean gum, tragacanth gum, carrageens gum, guar gum, xanthan gum, scleroglucan gum.
  • a coating composition disclosed herein further comprises a flavoring agent.
  • the flavoring agent is maltodextrin or an oil.
  • the flavoring agent is an essential oil.
  • the flavoring agent is acacia syrup, acesulfame K, alitame, anise, apple, aspartame, banana, bavarian cream, berry, black currant, butterscotch, calcium citrate, camphor, caramel, cherry, cherry cream, chocolate, cinnamon, bubble gum, citrus, citrus punch, citrus cream, cotton candy, cocoa, cola, cool cherry, cool citrus, cyclamate, cylamate, dextrose, eucalyptus, eugenol, fructose, fruit punch, ginger, glycyrrhetinate, glycyrrhiza syrup, grape, grapefruit, honey, isomalt, lemon, lime, lemon cream, monoammonium glyrrhi
  • a coating composition disclosed herein further comprises an anti-foaming agent.
  • an "anti-foaming agent” is an agent that reduces foaming. Where the coating or coated article is intended to be GRAS, any anti-foaming agent utilized must be GRAS.
  • Exemplary anti-foaming agents include silicon emulsions, sorbitan sesquoleate, vegetable oils, or combinations thereof.
  • the anti-foaming agent is canola oil, grapeseed oil, olive oil, sunflower oil, corn oil, or a combination thereof.

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Abstract

La présente invention concerne des articles revêtus et des procédés de préparation associés.
EP10805144A 2009-07-31 2010-07-30 Substrats revêtus et procédés de préparation associés Withdrawn EP2459016A2 (fr)

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US8273560B2 (en) 2010-07-30 2012-09-25 Ecology Coatings, Inc. Coated substrates and methods of preparing the same
US9744542B2 (en) 2013-07-29 2017-08-29 Apeel Technology, Inc. Agricultural skin grafting
EP3673738B1 (fr) 2015-05-20 2024-02-28 Apeel Technology, Inc. Compositions d'extrait de plante et leurs procédés de préparation
CN108135188B (zh) 2015-09-16 2022-08-05 阿比尔技术公司 用于分子涂层的前体化合物
EP3649860B1 (fr) 2015-12-10 2023-02-01 Apeel Technology, Inc. Compositions d'extraits végétaux pour former des revêtements protecteurs
WO2017132281A1 (fr) 2016-01-26 2017-08-03 Apeel Technology, Inc. Procédé de préparation et de conservation de produits désinfectés
WO2018094269A1 (fr) 2016-11-17 2018-05-24 Apeel Technology, Inc. Compositions formées à partir d'extraits végétaux et leurs procédés de préparation
US11641865B2 (en) 2020-03-04 2023-05-09 Apeel Technology, Inc. Compounds and formulations for protective coatings
IL302360A (en) 2020-10-30 2023-06-01 Apeel Tech Inc Preparations and methods of their preparation

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US20070122465A1 (en) * 1993-02-22 2007-05-31 Desai Neil P Novel formulations of pharmacological agents, methods for the preparation thereof and methods for the use thereof
FR2825293B1 (fr) * 2001-06-05 2004-05-07 Coletica Particules solides insolubles dans l'eau traitees, preparation et utilisation
IL146737A (en) * 2001-11-26 2010-02-17 Lycored Natural Prod Ind Ltd Method for protecting lycopene dispersed in tomato fibers
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