Inorganic colors and related nanotechnology

• US 7,713,350 B2
• Filed: 06/20/2007
• Issued: 05/11/2010
• Est. Priority Date: 09/03/1996
• Status: Expired due to Term

• Current Assignee: PPG Industries Ohio Incorporated (Nouryon BV)
• Original Assignee: PPG Industries Ohio Incorporated (Nouryon BV)
• Inventors: Yadav, Tapesh
• Primary Examiner(s): Green; Anthony J
• Assistant Examiner(s): Parvini; Pegah
• Application Number:
  US11/812,550
• Publication Number:
  US 20080156228A1
• Time in Patent Office: 1,056 Days
• Field of Search: 106/403, 106/404, 106/451, 106/401, 523/105, 523/210
• US Class Current: 106/404
• CPC Class Codes: A61L 27/06 Titanium or titanium alloys
• CPC Class Codes: B01J 12/005 carried out at high temperatures, e.g. by pyrolysis
• CPC Class Codes: B01J 12/02 for obtaining at least one reaction product which, at normal temperature, is in the solid state
• CPC Class Codes: B01J 19/0046 Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays synthesis methods per se C40B50/00
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• CPC Class Codes: B01J 2219/00135 Electric resistance heaters
• CPC Class Codes: B01J 2219/00155 using insulating materials or refractories
• CPC Class Codes: B01J 2219/00177 controlling the pH
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• CPC Class Codes: B01J 2219/0043 for direct application of reagents, e.g. through openings in a shutter
• CPC Class Codes: B01J 2219/00653 the compounds being bound to electrodes embedded in or on the solid supports
• CPC Class Codes: B01J 2219/00707 separated from the reactor apparatus
• CPC Class Codes: B01J 2219/00745 Inorganic compounds
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• CPC Class Codes: C04B 41/009 : characterised by the material treated
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Abstract

A pigment with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, whisker inorganic fillers are included. Stoichiometric and non-stoichiometric composition are disclosed. The pigment nanopowders taught comprise one or more elements from the group actinium, aluminum, antimony, arsenic, barium, beryllium, bismuth, cadmium, calcium, cerium, cesium, cobalt, copper, chalcogenide, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, hydrogen, indium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel niobium, nitrogen, oxygen, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, tin, titanium, tungsten, vanadium, ytterbium, yttrium, zinc and zirconium.

Claims

1. An inorganic pigment comprising nanopowder particles having at least two metals, wherein the nanopowder particles having at least two metals comprise vanadium and at least one additional element selected from actinium, aluminum, antimony, arsenic, barium, cadmium, calcium, cerium, cesium, cobalt, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, boron, germanium, indium, nitrogen, phosphorus, selenium, sulfur, tellurium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, tin, titanium, tungsten, ytterbium, yttrium, zinc, and zirconium;

wherein the nanopowder exhibits transparency to a visible wavelength of light that differs by more than 20% as compared with transparency to the visible wavelength of light exhibited by nanopowders of similar composition with nanopowders having a domain size of at least one micron; and

wherein the inorganic pigment has a powder size of less than 100 nanometers.

2. An inorganic pigment comprising nanopowder particles having at least two metals, wherein the nanopowder particles having at least two metals comprise aluminum and at least one additional element selected from actinium, antimony, arsenic, barium, bismuth, cadmium, calcium, cesium, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, boron, germanium, indium, nitrogen, phosphorus, selenium, sulfur, tellurium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, tin, tungsten, vanadium, ytterbium, and yttrium;

and

wherein the nanopowder exhibits transparency to a visible wavelength of light that differs by more than 20% as compared with transparency to the visible wavelength of light exhibited by nanopowders of similar composition with nanopowders having a domain size of at least one micron; and

wherein the inorganic pigment has a powder size of less than 100 nanometers.

3. An inorganic pigment comprising nanopowder particles having at least two metals, wherein the nanopowder particles having at least two metals comprise zinc and at least one additional element selected from actinium, arsenic, antimony, barium, bismuth, cadmium, calcium, cerium, cesium, cobalt, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, boron, germanium, indium, nitrogen, phosphorus, selenium, sulfur, tellurium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, tin, titanium, tungsten, vanadium, ytterbium, yttrium, and zirconium;

and

wherein the nanopowder exhibits transparency to a visible wavelength of light that differs by more than 20% as compared with transparency to the visible wavelength of light exhibited by nanopowders of similar composition with nanopowders having a domain size of at least one micron; and

wherein the inorganic pigment has a powder size of less than 100 nanometers.

4. An inorganic pigment comprising nanopowder particles having at least two metals, wherein the nanopowder particles having at least two metals comprise at least one element selected from antimony, cobalt, manganese, and tungsten and at least one additional element selected from actinium, aluminum, arsenic, barium, bismuth, cadmium, calcium, cerium, cesium, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, antimony, boron, germanium, indium, nitrogen, phosphorus, selenium, sulfur, tellurium, iridium, iron, lanthanum, lithium, magnesium, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, titanium, vanadium, ytterbium, yttrium, zinc, and zirconium, and

wherein the nanopowder exhibits transparency to a visible wavelength of light that differs by more than 20% as compared with transparency to the visible wavelength of light exhibited by nanopowders of similar composition with nanopowders having a domain size of at least one micron;

and

wherein the inorganic pigment has a powder size less than 100 nanometers.

6. The inorganic pigment of claim 4, wherein the at least one element is cobalt.

7. The inorganic pigment of claim 4, wherein the at least one element is manganese.

5. An inorganic pigment comprising nanopowder particles having at least two metals having a domain size less than 100 nanometers, wherein the nanopowder particles having at least two metals comprise antimony and at least one additional element selected from actinium, aluminum, arsenic, barium, bismuth, cadmium, calcium, cerium, cesium, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, antimony, boron, germanium, indium, nitrogen, phosphorus, selenium, sulfur, tellurium, iridium, iron, lanthanum, lithium, magnesium, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, titanium, vanadium, ytterbium, yttrium, zinc, and zirconium, and

wherein the nanopowder exhibits transparency to a visible wavelength of light that differs by more than 20% as compared with transparency to the visible wavelength of light exhibited by nanopowders of similar composition with nanopowders having a domain size of at least one micron.

8. An inorganic pigment comprising nanopowder particles having at least two metals having a domain size less than 100 nanometers, wherein the nanopowder particles having at least two metals comprise tungsten and at least one additional element selected from actinium, aluminum, arsenic, barium, bismuth, cadmium, calcium, cerium, cesium, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, antimony, boron, germanium, indium, nitrogen, phosphorus, selenium, sulfur, tellurium, iridium, iron, lanthanum, lithium, magnesium, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, titanium, vanadium, ytterbium, yttrium, zinc, and zirconium, and

wherein the nanopowder exhibits transparency to a visible wavelength of light that differs by more than 20% as compared with transparency to the visible wavelength of light exhibited by nanopowders of similar composition with nanopowders having a domain size of at least one micron.

9. An inorganic pigment comprising nanopowder particles having at least two metals having a domain size less than 100 nanometers, wherein the nanopowder particles having at least two metals comprise yttrium and at least one additional element selected from actinium, antimony, arsenic, barium, bismuth, cadmium, cesium, cobalt, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, boron, germanium, indium, nitrogen, phosphorus, selenium, sulfur, tellurium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, tin, tungsten, vanadium, ytterbium, and zirconium, and

wherein the nanopowder exhibits transparency to a visible wavelength of light that differs by more than 20% as compared with transparency to the visible wavelength of light exhibited by nanopowders of similar composition with nanopowders having a domain size of at least one micron.

10. An inorganic pigment nanofiller comprising nanopowder particles having at least two metals, wherein the nanopowder particles having at least two metals comprise at least one element selected from aluminum and titanium and at least one additional element selected from actinium, aluminum, antimony, arsenic, barium, bismuth, cadmium, calcium, cerium, cesium, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, boron, germanium, indium, nitrogen, phosphorus, selenium, sulfur, tellurium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, tin, tungsten, vanadium, ytterbium, yttrium, zinc, and zirconium;

and

wherein the inorganic pigment has a powder size of less than 100 nanometers.

11. The inorganic pigment nanofiller of claim 10, wherein the at least one element is aluminum.