Ppg Industries Ohio, Inc.

Ppg Industries, Inc.

Patricia Ruzakowski Athey

George A Neuman

Royann L Stewart-Davis

Luke A Kutilek

John F Sopko

Douglas S Dauson

David E Lecocq

Caroline S Harris

Songwei Lu

John B Slobodnik

The durability of a transparent pyrolytic spray applied coating is improved by providing a spray solution of metal acetylacetonates having different particle size distribution. More particularly, the particle size distribution of each of the metal acetylacetonates is a function of its melting temperature, and optionally of its melting temperature and solubility.

Aqueous suspension for pyrolytic spray coating

A coated article comprising a substrate and a copper oxide and manganese oxide coating over the substrate, the coating having the molar ratio of copper to manganese in the range of about 6.8 to 1.2 and a blue color in transmission is disclosed.

Compositions and methods for forming coatings of selected color on a substrate and articles produced thereby

A coated substrate is disclosed. The coated substrate includes a substrate; an undercoating having one or more materials selected from tin oxide, silica, titania, alumina, zirconia, zinc oxide and alloys and mixtures thereof nitrides of titanium, zirconium, hafnium, silicon, aluminum and mixtures thereof, and oxy-nitrides of titanium, zirconium, hafnium, silicon, aluminum and mixtures thereof overlaying at least a portion of the substrate; and a functional coating overlaying at least a portion of the undercoating. As a result of the undercoating, the coated substrate can exhibit improved properties such as improved aesthetic properties, increased durability, photocatalytic activity, mechanical durability, etc.

Coated substrates that include an undercoating

Electrodes for liquid crystal cells include a substrate e.g. glass having a conductive and alignment coating e.g. a fluorine doped tin oxide coating. After a conductive coating is deposited on the substrate the surface is cleaned and wiped unidirectionally with a solvent saturated cloth for a predetermined number of times. The electrode prepared in the above manner eliminates the need for the polyimide layer over a conductive coating and heat treatment of the polyimide layer.

Electrodes for liquid crystal cells

A copper containing component and a manganese containing component are applied onto the surface of a substrate to form a coating having a selected ratio of copper to manganese to form a desired color. For a brown color, the film molar ratio of copper to manganese is above 1; for an amber color, the molar ratio is below 1, and for a blue color the film molar ratio is about 1. Further, color shifting of a multi-component coating upon subsequent heat treatment is minimized or prevented by determining the most mobile species in the coating and then placing a concentration gradient layer of an oxide of that mobile species between the substrate and the coating.

Silicon compounds useful as coating reactants for the chemical vapor deposition of silicon oxide are disclosed, along with compounds useful as accelerants to increase the deposition rate of silicon oxide. The silicon-containing precursor comprises the structural formula ##STR1## wherein R.sub.1 is an alkyl, alkenyl, alkynyl or aryl radical which may be substituted, and R.sub.2 is a functional group which increases the reactivity of the silicon compound by withdrawing electron density away from the silicon atom, such as hydrogen, halogen, alkenyl, alkynyl, halogenated alkyl and perhalogenated alkyl radicals. The accelerant is a compound selected to take advantage of the partial positive charge on the silicon atom. Such accelerant compounds include Lewis acids and bases; water; ozone; trivalent compounds of nitrogen, boron and phosphorus; tetravalent compounds of sulfur and selenium; pentavalent compounds of phosphorus and a variety of metal compounds. Also disclosed are compositions including an additional metal-containing coating precursor, such as an organotin compound, to deposit another metal oxide along with silicon oxide.

Mixed metal oxide film having an accelerant

Silicon compounds useful as coating reactants for the chemical vapor deposition of silicon oxide are disclosed, along with compounds useful as accelerants to increase the deposition rate of silicon oxide. The silicon-containing precursor comprises the structural formula ##STR1## wherein R.sup.1 is an alkyl, alkenyl, alkynyl or aryl radical which may be substituted, and R.sub.2 is a functional group which increases the reactivity of the silicon compound by withdrawing electron density away from the silicon atom, such as hydrogen, halogen, alkenyl, alkynyl, halogenated alkyl and perhalogenated alkyl radicals. The accelerant is a compound selected to take advantage of the partial positive charge on the silicon atom. Such accelerant compounds include Lewis acids and bases; water; ozone; trivalent compounds of nitrogen, boron and phosphorus; tetravalent compounds of sulfur and selenium; pentavalent compounds of phosphorus and a variety of metal compounds. Also disclosed are compositions including an additional metal-containing coating precursor, such as an organotin compound, to deposit another metal oxide along with silicon oxide.

Compounds and compositions for coating glass with silicon oxide

A method for coating a moving substrate provides a coating having a chemical composition which varies continuously from the interface with the substrate to the opposite surface of the coating. The method involves directing a vapor coating composition toward a substrate surface and moving portions of the vapor in opposite directions. A vapor coating mixture may include a tin-containing precursor and a silicon-containing precursor. An accelerant, e.g. a phosphorus-containing precursor, may be used with the metal-containing precursors to increase the deposition rate of the coating. The coating deposited on the substrate has regions of continuously varying weight percent of silicon oxide and tin oxide as the distance from the substrate-coating interface increases, with the surface of the coating farthest from the substrate-coating interface being predominantly tin oxide. The regions of varying composition provide the coating with varying indices of refraction to eliminate iridescence to provide a coated article, particularly a tin oxide coated glass article, with a neutral color.

Method for coating a moving glass substrate

An apparatus for coating a glass ribbon has an exhaust on each side of a coating unit at different distances therefrom. With this arrangement, portions of the ribbon upstream and downstream of the coating unit are exposed to coating vapors from the coating unit for different periods of time. A coating mixture includes tin containing precursors and a silicon containing precursor. The silicon containing precursor has the structural formula ##STR1## where R.sub.1 is a group which does not have an oxygen available to form a peroxide, R.sub.2 is a functional group giving the silicon containing precursor the ability to be easily converted to silicon oxide coating, R.sub.3 is a bridging group to provide for multiple silicon atoms and R.sub.4 completes the bonding on the foundation silicon atom. An accelerant e.g. a phosphorus containing precursor may be used with the metal containing precursors to increase the deposition rate of the coating. The coating deposited on the glass has regions of continuously varying weight percent of silicon oxide and tin oxide as the distance from the glass-coating interface increases, with the surface of the coating farthest from the glass-coating interface being predominantly tin oxide. The regions within the coating provide the coating with different indices of refraction to eliminate iridescence resulting from increased thickness of the tin oxide at the outer coating surface and to provide the coated glass article with a neutral color. When phosphorus is used as the accelerant, the percent of crystallinity is reduced and approaches O, thereby reducing or eliminating the coating haze.

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Pittsburgh, PA, United States of America

Patricia Ruzakowski Athey