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Tin-antimony oxide conducting film production method

A technology of oxide conduction and manufacturing method, applied in cable/conductor manufacturing, conductive layer on insulating carrier, circuit, etc., can solve problems such as environmental pollution

Inactive Publication Date: 2002-09-04
山东润泰智能电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Also have as patent application No. 99105710, its name is the manufacture method of tin dioxide transparent conductive film, although the nozzle corrosion is lighter, hydrogen chloride and / or chlorine gas can still overflow, pollute the environment, and pure tin dioxide film has considerable The resistance value is a broadband semiconductor. When it is used as a heating element, the resistance value of the coating should reach the level of several thousand ohms.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027]Embodiment 1: (A) take by weighing 100 grams of SnCl 4 ·5H 2 O crystals, prepared into a 0.1-0.2mol / L solution with deionized water, according to Sb:SnCl 4 Weigh SbCl at an atomic ratio of 2% 3 Solid, dissolved in ethanol; stirring SnCl 4 At the same time as the solution, add an appropriate amount of citric acid to make the pH = 1.5, and then slowly add SbCl dropwise 3 alcohol solution, and heat and stir the mixed solution;

[0028] (B) When heated to 40°C, slowly add ammonia water with a concentration of 0.2mol / ld until milky yellow Sn(OH) is produced 4 and Sb(OH) 3 Mix the precipitate, stir the mixed precipitate fully, take it out and centrifuge, wash and remove Cl-;

[0029] (C) The above milky yellow Sn(OH) 4 and Sb(OH) 3 Heat the mixed precipitate to 50°C and stir, and redissolve with oxalic acid to obtain a light yellow hydrocolloid; add polyethylene glycol according to 10% of the hydrocolloid under stirring, stir for at least 90 minutes, and then add in a ...

Embodiment 2

[0034] A method for manufacturing a conductive film, comprising the steps of:

[0035] (A) Weigh 100 grams of SnCl 4 ·5H 2 O crystals, prepared into a 0.16mol / L solution with deionized water, according to Sb:SnCl 4 Weigh SbCl at an atomic ratio of 5% 3 Solid, according to In:SnCl 4 Weigh InCl at a ratio of 1% of the atomic number 3 Solid, dissolved in ethanol; stirring SnCl 4 At the same time as the solution, add an appropriate amount of citric acid to make the pH = 2.0. Then slowly add SbCl dropwise 3 and InCl 3 alcohol solution, and heat and stir the mixed solution;

[0036] (B) When heated to 60°C, slowly add ammonia water with a concentration of 0.4mol / L until milky yellow Sn(OH) is produced 4 , Sb(OH) 3 and In(OH) 3 Mix the precipitates, stir the mixed precipitates thoroughly, take them out and centrifuge, wash and remove Cl - ;

[0037] (C) The above milky yellow Sn(OH) 4 , Sb(OH) 3 and In(OH) 3 Stir the mixed precipitate and heat it to 70°C, redissolve it...

Embodiment 3

[0042] Described manufacturing method is consistent with embodiment 2, and difference is added SnCl in step (A) 4 Atomic 0.1% ZnCl 2 as a resistance modifier.

[0043] The generated conductive film is blue-purple, uniform and compact in structure, with a light transmittance of about 75%, a resistance of 50 ohms, a resistivity of 0.29 ohms / cm, a film thickness of 120 nm, and a particle size of 18 nm.

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Abstract

The production method of tin-antimony oxide conducting film uses aqueous solution of SnCl4 and SbCl3 ethyl alcohol solution as raw material and adopts the following steps: using ammonia water to makeprecipitation, using oxalic acid to make back-solvation, concentration, preparing sol-gel, ageing and high temp. spraying on silex glass to form the invented conducting film with good conductivity, high light transmittance and high heat exchange efficiency.

Description

Technical field: [0001] The invention relates to the technical field of a method for manufacturing a tin antimony oxide conductive film. Background technique: [0002] At present, the commonly used electric heating technology is mainly conduction in the form of electric heating wire, conductive film, etc., and diffusion heating has been widely used in many fields for decades, but there have always been difficult problems such as slow heating speed and low thermal efficiency. , and long-term use, over-current between the electrodes, easy to break, peroxidation of the heating element, easy to fall off, low dielectric strength, poor heat resistance, especially for heating water or other liquids requires a certain volume of containers, the heating process is easy to scale, Moreover, it is difficult to separate water or other liquids from electricity. These shortcomings make it difficult to achieve electricity safety, thus limiting its use in many aspects. [0003] Nicholas M. G...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B5/14H01B13/00H05B3/02H05B3/14
Inventor 冷同桂
Owner 山东润泰智能电气有限公司
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