157 results about "Tin doping" patented technology

The object of the present invention is to provide an interlayer film for laminated glass which exerts excellent heat insulation or electromagnetic wave transmittance and which is suitable for producing a laminated glass having excellent fundamental performance characteristics required for the laminated glass, such as transparency, especially good haze, appropriate bond strength between an interlayer film and glass, penetration resistance, impact absorption, weather resistance, and so on. Also, the object of the present invention is to provide a laminated glass produced by using the above-mentioned interlayer film. These objects are realized by the interlayer film for laminated glass comprising an adhesive resin, wherein the average particle diameter of tin-doped indium oxide and / or antimony-doped tin oxide is ranging from 0 to 80 nm, and the number of the tin-doped indium oxide or antimony-doped tin oxide particles with a particle diameter of not less than 100 nm are dispersed not more than 1 per 1 μm2, and also, by a laminated glass produced by interposing said interlayer film for laminated glass between at least a pair of glass sheets having a visible light transmittance rate (Tv) of not less than 65% in the light rays of 380 to 780 nm, a solar radiation transmittance rate (Ts) in the light rays of 300 to 2500 nm of not more than 80% of the mentioned visible light transmittance rate (Tv), the haze value (H) of up to 1.0% and electromagnetic wave shield (ΔdB) of not more than 10 dB in the wavelength of 10 to 2000 MHz.

There is provided an interlayer film for laminated glass which is capable of effectively enhancing heat shielding properties and enhancing visible light transmittance. The interlayer film for laminated glass according to the present invention comprises a thermoplastic resin, tin-doped indium oxide particles, tungsten oxide particles and at least one kind of compound among a phthalocyanine compound, a naphthalocyanine compound and an anthracyanine compound.

The present invention concerns an optical fiber 10 comprising a substantially pure silica glass core 12, a concentric tin-doped core / cladding interface region 14, and a concentric fluorine-doped depressed cladding layer 16. The tin-doped core / cladding interface region 14 comprises a low concentration gradient of tin dioxide, which advantageously results in a de minimis refractive index change, resistance to hydrogen incursion, and thermal stability of any fiber Bragg gratings written into the interface region 14.

The invention relates to a method for preparing Sn-doped indium trioxide (ITO) nano powder by coprecipitation method, coprecipitating Sn / In water solution without chlorine ions with ammonia water to prepare the ITO nano powder whose size is 8-3 nanometers and whose specific surface area is 20-60 sq m g-1. The ITO nano powder has the characters of small size, large specific surface area, good dispersivity, not corroding the service parts. Besides, the invention has the advantages of short preparing cycle, high efficiency, low cost, ability to produce in large scale, etc.

Provided is an intermediate film for laminated glass, which is capable of effectively improving heat shielding properties, while increasing visible light transmittance. An intermediate film (2) for laminated glass of the present invention contains a thermoplastic resin, tin-doped indium oxide particles, tungsten oxide particles and at least one compound selected from among a phthalocyanine compound, a naphthalocyanine compound and an anthracyanine compound.

The invention relates to a preparation method for low-temperature sintered tin-doped nano-silver soldering paste. According to the mass ratio of tin powder to a soldering flux, 90% of powder and 10% of the rosin soldering flux are prepared, wherein raw material of the powder is Sn element. A micron solder paste is prepared through stirring, the silver mass fraction is 90-99%, and the tin mass fraction is 1-10%; a nano-silver soldering paste and the micron solder paste are weighed and added with terpilenol to be dissolved, firstly mechanical oscillation is conducted by using a spiral oscillator, then ultrasonic oscillation is conducted by using an ultrasonic cleaner, and a mixture is obtained; and constant temperature bath and volatilization are conducted on the mixture at the temperature of 70 DEG C till the mixture is in a paste shape. Pressure is not added in the sintering process of the tin-doped nano-silver soldering paste, protection of inert gases is not needed, and the maximum sintering temperature is 235 DEG C. According to the preparation method for the low-temperature sintered tin-doped nano-silver soldering paste, the process procedure is well-conceived, and implementation is strict; and the sintering temperature of the low-temperature sintered tin-doped nano-silver soldering paste is lower than the sintering temperature of a traditional silver soldering paste, and compared with a pure nano-silver soldering paste, under the same sintering process, the connection strength of the low-temperature sintered tin-doped nano-silver soldering paste after being sintered is double of the connection strength of the pure nano-silver soldering paste.

The invention discloses a lens and a camera equipped with the lens. The lens comprises an eyeglass set, a lens cover which is arranged outside the eyeglass set and is used for fixing the eyeglass set, and an assembled printed circuit board which is arranged at one side of the eyeglass set and is connected with the eyeglass set, wherein the eyeglass set comprises eyeglasses, waterproof glass arranged at outer sides of the eyeglasses and electrical heating sheets arranged between the eyeglasses and the waterproof glass, the electrical heating sheets are used for conducting heat to the waterproof glass to realize anti-mist anti-frost functions, and the electrical heating sheets comprise one type of graphene film heating sheets and tin-doped indium oxide film heating sheets. Resistance of the electrical heating sheets employed by the lens is 300-350 ohm, when the external temperature is 10-25 DEG C, the arrival heating temperature of the electrical heating sheets is 35-45 DEG C, the heating temperature can be realized through 3-second heating; when the external temperature is 0-5 DEG C, the arrival heating temperature of the electrical heating sheets is 25-30 DEG C, the heating temperature can be realized through 5-second heating. According to the lens, the heating temperature is relatively mild, a heating speed is relatively fast, not only can aging of the eyeglasses be not easy, but also energy loss is low, and the heat conduction effect is relatively good.

The invention relates to a preparation method for a tin-doped indium sulfide flower-like nano material and application of the nano material in photocatalytic reduction. The method comprises the following steps that absolute ethyl alcohol serves as a solvent, indium(III) chloride tetrahydrate, tin(IV) chloride pentahydrate and thioacetamide are sequentially added, uniform stirring is carried out, then the mixture is put into a polytetrafluoroethylene high-pressure reaction kettle, reaction is carried out for 8-20 hours at the temperature of 120-180 DEG C, and natural cooling is carried out to reach room temperature; and a product is treated so as to obtain a Sn-In2S3 photocatalytic material. According to the preparation method for the tin-doped indium sulfide flower-like nano material and the application of the nano material in photocatalytic reduction, the photocatalytic material has relatively large specific surface area and a proper pore structure, so that surface active sites are increased, the absorption capacity of visible light can be enhanced after tin is doped, so that compounding of photo-induced electrons and holes can be effectively inhibited, and more excellent photocatalytic performance can be achieved; and the Sn-In2S3 photocatalytic material can reduce uranium-containing wastewater, 95% or more of target pollutants can be reduced within 40 min, and excellent photocatalytic activity is achieved.

The invention discloses a soil restoration agent containing loaded nano titanium dioxide. The soil restoration agent can be used for restoring soil polluted by heavy metal and organic pollutants. Thesoil restoration agent comprises loaded nano titanium dioxide and straw powder, and the loaded nano titanium dioxide is prepared by loading anatase nano titanium dioxide and tin doped modified anatasenano titanium dioxide onto fumed silica and coal ash. The soil restoration agent can effectively reduce heavy metal ions in soil to lower heavy metal content in planted crops, effectively degrade organic pollutants in the soil, remarkably improve pollution degree of polluted soil and improve cultivation performance of the soil. Inorganic fertilizer and / or organic fertilizer can be added selectively into the soil restoration agent to increase nutritional fertility of the soil and promote crop growth, and effects of improving crop yield and quality are realized.