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Resistance slurry used for thick film circuit and based on ceramic tile and preparation process thereof

A technology of thick film circuit and resistance paste, applied in the direction of conductive materials dispersed in non-conductive inorganic materials, etc., can solve the problems of difficulty in maintaining the normal operation of the heating system, waste of resources, large initial investment, etc., and achieve excellent thixotropy and anti-settling effect

Inactive Publication Date: 2015-03-18
湖南利德电子浆料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the conditions of the commodity era, this traditional heating method has many contradictions that cannot be adjusted.
For the traditional heating system, its initial investment is large, its use efficiency is low, its operation cost is high, its later management cost and maintenance cost are high, and with the increase of equipment service time, the maintenance cost will gradually increase; for the central heating system Said that there is heat loss in the pipe network, which is a waste of resources
Especially when the occupancy rate is low, it is difficult for the property management company to maintain the normal operation of the heating system. Moreover, as the price of energy products continues to rise, the traditional heating cost will inevitably rise accordingly; the traditional central heating heating method, Due to the limitation of heating time, the heating time cannot be adjusted according to the temperature change of the environment, which not only causes inconvenience to users, but also causes a certain waste of energy

Method used

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  • Resistance slurry used for thick film circuit and based on ceramic tile and preparation process thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Preparation of glass-ceramic powder, composition and weight percentage of glass-ceramic powder: Bi 2 o 3 62%, SiO 2 5%, Al 2 o 3 7%, ZnO3%, B 2 o 3 15%, CuO4%, Ni 2 o 3 10%; the above composition is placed in a high-temperature electric furnace, the melting temperature is 1000 ° C, and the temperature is kept for 3 hours. After water quenching, the coarse powder is obtained by rolling with a pair of rollers, and then finely ground by a planetary ball mill or a stirring ball mill to obtain an average particle size of 2 - 2.5 microns, glass-ceramic powder with a maximum particle size not exceeding 11 microns for use;

[0023] (2) The preparation and dissolution process of the organic binder, the composition and weight percentage of the organic binder:

[0024] Terpineol 65%, tributyl citrate 18%, alcohol ester twelve 7%, ethyl cellulose 5%, hydrogenated castor oil 3%, lecithin 2%, the dissolution process is to put the above composition in a water bath furnace ...

Embodiment 2

[0030] Weight percent of glass-ceramics: Bi 2 o 3 69%, SiO 2 9%, Al 2 o 3 8%, ZnO2%, B 2 o 3 10%, CuO3%, Ni 2 o 3 5%; organic binder weight ratio and dissolution process: terpineol 77%, tributyl citrate 12%, alcohol ester twelve 4%, ethyl cellulose 2%, hydrogenated castor oil 2%, lecithin 3%, the dissolution process is that the dissolution process is to mix, stir and dissolve each composition of the above-mentioned organic binder in a water bath furnace at a temperature of 90 ° C, and keep it warm for 4 hours. Slurry mixing process, the above-mentioned prepared glass-ceramic powder, silver powder and organic binder are placed in a container in a weight ratio of 51%: 30%:: 19% and stirred to prepare a slurry pre-product, and then pass through three times. The finished resistance slurry is rolled by rolling mill, and the solid content of the obtained resistance slurry is 81%.

[0031] square resistance resolution TCR / ppm / ℃ Aging strength 30±2mΩ / □ ...

example 3

[0034] Weight ratio of glass-ceramics: Bi 2 o 3 78%, SiO 2 3%, Al 2 o 3 5%, ZnO3%, B 2 o 3 7%, CuO5%, Ni 2 o 3 8%; organic binder weight ratio and dissolution process: 84% terpineol, 9% tributyl citrate, 2% alcohol ester twelve, 3% ethyl cellulose, 1% hydrogenated castor oil, lecithin 1%, the dissolution process is that the dissolution process is to mix, stir and dissolve each composition of the above-mentioned organic binder in a water bath furnace at a temperature of 85 ° C, and keep it warm for 4 hours. Slurry mixing process, the glass-ceramic powder, silver powder and organic binder prepared above are placed in a container according to the weight ratio of 487%: 377%: 157%, and then stirred to prepare a slurry pre-product, which is then passed through three rolls. The finished resistance slurry is obtained by rolling in a rolling mill, and the solid content of the obtained resistance slurry is 85%.

[0035] square resistance resolution TCR / ppm / ℃ Agi...

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Abstract

The invention discloses resistance slurry used for a thick film circuit and based on a ceramic tile and a preparation process thereof. The invention aims to provide the resistance slurry capable of being matched with the ceramic tile and provides the possibility to the preparation of a novel floor heating element. The resistance slurry is characterized in that microcrystal glass powder composed of Bi2O3, SiO2, Al2O3, ZnO, B2O3, CuO and Ni2O3, silver powder, and an organic binding agent composed of terpilenol, tributyl citrate, alcohol ester 12, ethyecellulose, hydrogenated castor oil and lecithin are put into a container at a weight ratio of the microcrystal glass powder to the silver powder to the organic binding agent of (48%-64%) to (16%-38%) to (15%-30%), and then are stirred and rolled by a three-roller rolling mill to form the finished-product resistance slurry. The resistance slurry disclosed by the invention has the main effect that the resistance slurry can be directly printed on the back face of the ceramic tile to form the thick film circuit.

Description

technical field [0001] The invention relates to a tile-based thick-film circuit resistance paste and a preparation method thereof, more specifically, relates to a thick-film circuit resistance paste and a preparation method thereof. Background technique [0002] In the cold winter, "keeping warm and preventing cold" has become a hot topic for people to talk about. When it comes to keeping warm, we have to talk about an ancient and brand-new technique of keeping warm—floor heating. The full name of floor heating is floor radiation heating, which is a heat storage and heat transfer technology based on the ground. With the development of society, floor heating has also moved from the traditional heating mode to the modern one, and a new heating method has been developed in combination with modern high technology. Coupled with the introduction of the concepts of energy saving, environmental protection, and fitness in recent years, floor heating with these three advantages is f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/22
Inventor 宁天翔刘飘肖俊杰樊芮汤裕
Owner 湖南利德电子浆料股份有限公司
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