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Ceramic powder and application thereof

A technology for ceramic powder and glass powder is applied in the processing and application field of inorganic composite powder, which can solve the problems of low flame resistance and low temperature resistance, and achieve the effect of improving the performance of porcelain, denser structure and less cracks.

Active Publication Date: 2020-12-15
嘉兴市吉奥新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of low flame retardant temperature resistance of traditional hard PVC boards, this invention provides a vitrified powder with stable performance and can be ceramicized at low temperature

Method used

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  • Ceramic powder and application thereof
  • Ceramic powder and application thereof
  • Ceramic powder and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Weigh 8g Na by mass percentage 2 O, 22gK 2 O, 24gAl 2 o 3 , 42gP 2 o 5 , 2gCaO, 2gSiO 2 . Fully mix the weighed raw materials, then put the mixture into a crucible, put it into an electric furnace with a furnace temperature of 300 °C, keep it warm for 1 hour, and perform preheating treatment, then raise the temperature to 1200 °C, and keep it warm for 2 hours, and the melted The molten glass was poured into cold water and quenched to obtain granular glass, which was milled in a ball mill (the time was 12 hours, and the rotating speed was 400r / min), and passed through a 800-mesh sieve to obtain 98g of homemade low-melting glass powder.

[0029] Weigh 120g metakaolin (Shanghai Yantai Industrial Co., Ltd., model TX801), 40g albite (Lingshou Chuanshi Mineral Products Processing Plant, model N-800), 30g self-made low melting point glass powder (800 mesh), 80g boric acid Zinc (Jinan Sennuo New Material Technology Co., Ltd., model SN-303), fumed silica 20g (Changzhou Le...

Embodiment 2

[0032] Weigh 14gNa by mass percentage 2 O, 18gK 2 O, 23gAl 2 o 3 , 39gP 2 o 5 , 3gCaO, 3gSiO 2 . Fully mix the weighed raw materials, then put the mixture into a crucible, put it into an electric furnace with a furnace temperature of 300 °C, keep it warm for 1 hour, and perform preheating treatment, then raise the temperature to 1200 °C, and keep it warm for 2 hours, and the melted The molten glass is poured into cold water and quenched to obtain flaky and granular glass, which is ball milled in a ball mill (the time is 12 hours and the rotating speed is 400r / min), and passed through a 800 mesh sieve to obtain 97g of self-made low melting point glass powder .

[0033]Weigh 120g of metakaolin, 40g of albite, 60g of self-made low-melting glass powder (800 mesh), 80g of zinc borate, and 20g of fumed silica, and put them into a blast drying oven for drying treatment at a temperature of 110°C. for 2 hours, then put the dried powder into a high-speed mixer for pre-mixing (te...

Embodiment 3

[0036] Weigh 11gNa by mass percentage 2 O, 20gK 2 O, 28gAl 2 o 3 , 35gP 2 o 5 , 3gCaO, 3gSiO 2 . Fully mix the weighed raw materials, then put the mixture into a crucible, put it into an electric furnace with a furnace temperature of 300 °C, keep it warm for 1 hour, and perform preheating treatment, then raise the temperature to 1200 °C, and keep it warm for 2 hours, and the melted The molten glass is poured into cold water and quenched to obtain flake and granular glass, which is ball milled in a ball mill (the time is 12 hours and the speed is 400r / min), and passed through a 800-mesh sieve to obtain 98g of self-made low-melting glass powder .

[0037] Weigh 60g of metakaolin, 60g of albite, 60g of self-made low-melting glass powder (800 mesh), 100g of zinc borate, and 20g of fumed silica, and put them into a blast drying oven for drying treatment at a temperature of 110°C. for 2 hours, then put the dried powder into a high-speed mixer for pre-mixing (temperature is 1...

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Abstract

The invention provides ceramic powder comprises the following components in parts by mass: 30-60 parts of metakaolin, 10-30 parts of potassium / albite, 10-30 parts of low-melting-point glass powder, 30-50 parts of zinc borate, 5-15 parts of fumed silica and 0.5-2 parts of a surface modifier. According to the particle size effect of ceramic sintering, the particle size of a filler is refined, and meanwhile, the particle size among the components is also homogenized, so that the effect of sintering into ceramic is obviously improved. In addition, by adding self-made low-melting-point glass powder, the ceramic forming performance of the ceramic polyolefin at medium temperature and high temperature is improved, the strength of the ceramic powder and a PVC board after ceramic forming is higher,and a ceramic body formed by sintering has fewer cracks and is small in deformation.

Description

technical field [0001] The invention belongs to the field of processing and application of inorganic composite powder, and relates to the research and development of a polymer-based refractory material, in particular to a vitrified powder and its application in the prepared refractory PVC board after it is blended with PVC resin . Background technique [0002] Porcelain powder is an inorganic composite powder that can quickly form porcelain in a wide temperature range (400-1000°C). It is very different from traditional ceramic powder. The sintering characteristic of traditional ceramic powder is temperature High (≥1200°C), long holding time, and relatively strict requirements on heating rate and sintering atmosphere, it is not suitable for application in extreme environments (such as fire). According to the principle of liquid phase sintering, the original ceramic powder is improved to improve the performance of low-temperature porcelain formation, so as to meet the needs o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K9/06C08K3/40C08K3/34C08K7/00C08K3/38C08K7/26C08K13/06C08L27/06C08L91/06C08L33/04
CPCC08K9/06C08K3/40C08K3/34C08K7/00C08K3/38C08K7/26C08K13/06C08L27/06C08K2003/387C08L2201/02C08L2205/03C08L91/06C08L33/04
Inventor 盛嘉伟沈佳培张俭孙青
Owner 嘉兴市吉奥新材料科技有限公司
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