TH22464B - Method for plastering tin oxide and titanium oxide coatings on smooth and coated glass. - Google Patents

Abstract

DC60 A chemical vapor deposition process for applying tin or titanium oxide coatings to The smooth glass is heated by the use of oxygen-containing organic compounds and associated methanol tetrachloride, popular organic oxygen compounds are esters with alkyl groups containing hydrogen. Beta in order to get a high plastering rate Due to the high putty rate that can be obtained generally at least 130 angstroms per minute. The process is suitable for plastering thick coatings. Lot on the production line moving of float glass during the glass manufacturing process A chemical vapor deposition process for applying tin or titanium oxide coatings to the The smooth glass is heated by the use of oxygen-containing organic compounds and associated methanol tetrachloride, popular organic oxygen compounds are esters with alkyl groups containing hydrogen. Beta in order to get a high plastering rate Due to the high putty rate that can be obtained generally at least 130 angstroms per minute. The process is suitable for plastering thick coatings. Lot on the production line moving of float glass during the glass manufacturing process

Claims (5)

1. The process for depositing (depositing) tin oxide or titanium oxide coatings. On hot smooth glass is assembled with steps of a) preparation of pre-cursor gas mixtures containing the corresponding methyl tetrachloride and oxygen-containing organic compounds as the oxygen source for the generation of metal oxides; b) Maintaining the gas presenter mixture at a temperature lower than that of which the methyl The chlorides react to form metal oxides while delivering the mixture to the openings. C) The pre-cursor gas mixture is fed into the enamel chamber where the mixture is heated. To achieve consistent metal oxide putty Which is combined with oxygen 2. Process for plastering tin oxide or titanium oxide coatings on glass. Smooth heat according to claim 1, where the above-mentioned oxygen-containing organic compounds are esters with carbon from 2 to 10 atoms, and whose ester has a volume concentration of 0.5 to 5 times. 3. The process for plastering tin oxide or titanium oxide on glass. According to claim No. 2, the aforementioned ester is an ester with an alkyl group, which has Beta Hydrogen 4. Process for hot plastering of tin or titanium oxide coatings on glass. According to any of the previous claims The aforementioned esters were selected from the ethylformethyacetate-ethylpropinoate-containing group. Isopropyl formate Isopropyl acetate N-Butyl Acetate And T-butyl acetate 5. Process for hot plastering of tin or titanium oxide coatings on smooth glass. According to one of the preceding claims, the substate is a float glass ribbon with a temperature range of 1100 - 1320 ° F / 590 - 715 ° C. 6. Process for plastering tin or titanium oxide coatings as required. Precedent Any one of this page The methyl tetrachloride in the gas pre-cursor mixture was 0.1 - 5.0 percent by volume. 7. Process for plastering tin or titanium oxide coatings on hot smooth glass. According to any of the previous claims Which oxygen-containing organic compounds in gas mixtures The pre-cursor has a concentration of 1 to 5 times the concentration of methyl tetrachloride. 8. Process for plastering tin or titanium oxide coatings on hot smooth glass. According to the right clause 2 to 7, any one The esters are ethyl acetate and the hot smooth glass is the float glass ribbon. 9. Process for plastering tin or titanium oxide coatings on hot smooth glass. According to any of the previous claims The hot smooth glass substrate has a silica coating on it and the tin or titanium oxide coating is put on the silica 1 0. Process for plastering the tin or titanium oxide coating on the hot smooth glass. According to any of the previous claims Which is smooth glass substrate with silica coating on Silicon coating The tin or titanium oxide coating will be put on the silica coating. 1. Process for plastering titanium oxide coating on the substrate on the smooth glass. According to any of the previous claims The titanium oxide coating has a refractive index greater than 2.4 1. 2. The process for plastering tin or titanium oxide coatings on smooth glass. According to any of the previous claims Which tin or titanium oxide coatings have The remaining carbon is less than 4 percent by 1 atom. 3. Process for hot plastering of tin or titanium oxide coatings on smooth glass. According to any of the previous claims The precursor gas mixture includes helium as a carrier gas. 1. Process for plastering tin or titanium oxide coatings onto hot smooth glass. According to the right clause 2 to 13, any one The esters have alkyl groups with 2 - 10 carbon atoms. 1. 5. Process for plastering tin or titanium oxide coatings on hot smooth glass. According to any of the previous claims The tin or titanium oxide film is applied at a rate of at least 130 angstroms per second. 1 6. Process for plastering tin or titanium oxide coatings on a substrate at a rate of at least 130 angstroms per second. High putty is a process according to one of the previous claims. The steps of a) the preparation of the pre-cursor gas mixture containing tin or titanium tetrachloride and the aforementioned esters with alkyl groups, which Contains beta hydrogen; b) the transmission of the pre-cursor gas mixture at a temperature lower than the thermal decomposition temperature. Of the esters mentioned above Go to a location near the substate on which to coat the resulting substate. At a higher temperature than the ester thermal decomposition temperature mentioned, and c) the feeding of the gas presenter mixture to the vapor gap above the said substate. Arrived Which the above esters decompose by heat And began to react with the methols This tetrachloride to form a methyl oxide coating on the aforementioned substates 1. 7. Process according to claim 17, where the substate is a floating glass ribbon 1. 8. Process. According to claim No. 16 or No. 17, the pre-cursor gas mixture will be It is sent to the substate where the substate temperature is in the range 1100 - 1320 ° Fahrenheit. 1 9. Process for plastering titanium oxide coating on the substate at a high rate of plaster. The steps of a) the preparation of the pre-cursor gas mixture containing titanium tetrachloride and esters. The aforementioned esters with carbon from 2 to 10 atoms and with alkyl groups. B) the transmission of the pre-cursor gas mixture at a temperature lower than the thermal decomposition temperature. Of the aforementioned ester to a location near the substate to which the aforementioned substates are to be coated at a temperature greater than the thermal decomposition temperature of the ester obtained. And c) the feeding of the gas pre-cursor mixture into the vapor gap above the aforementioned substates. Which the above esters decompose by heat And by that way began to react with Titanium tetrachloride to form a titanium oxide coating on the aforementioned substates 2 0. Process according to claim 19, where the substate is a float glass ribbon 2. 1. Process according to Clause 19 or Article 20, in which the pre-cursor gas mixture will be delivered. Go to the substate where the substate temperature is in the range 1100 - 1320 degrees Fahrenheit 2. 2. Process for hot plastering of tin or titanium oxide coatings on smooth glass. According to any of the previous claims Which the gas pre-cursor mixture will cause it to flow over the glass surface To be coated under 2 laminar flow conditions 3. Glass substrate with tin or titanium oxide coating on it. Prepared by the process Compliance with any of the preceding claims 2 4.Glass substrate with silicon and silica coatings on it with tin or titanium coating. Oxide on the above silica coating, such oxide coating prepared by the process According to any of the right claims from No. 1 to No. 23 2 5. Use of oxygen-based esters for methanol oxide generation in the process. For plastering tin oxide coatings Or titanium oxide on glass smooth heating Included With the steps of a) the preparation of the gas pre-cursor mixture containing the corresponding methyl tetrachloride and Oxygen source; b) treatment of the precursor gas mixture. At a temperature lower than the temperature at which the methyl Chloride reaction To form methyl oxide while delivering the mixture to the openings of Hot glass glaze chamber c) Feeding of the pre-cursor gas mixture into the glaze chamber. Where the mixture is heated to This resulted in the corresponding degradation of methyl oxide on the hot glass surface.