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Composition of high temperature ceramic thermal insulators with multiple thermal resistance induced extremely low thermal conductivity thermal insulators and manufacturing method of the same
본 발명은 초저열전도성 세라믹 고온단열재 및 그 조성물, 그리고 초저열전도성 세라믹 고온단열재의 제조 방법에 관한 것이다. 보다 상세하게는 SiC 코어/ SiO2쉘 구조의 입자를 포함하며, 기공율 65~95%, 열전도도 0.010~0.090 W/mK 및 비압축강도(specific compressive strength) 2~20 MPa.cm3/g 범위를 가지는 초저열전도성 세라믹 고온단열재를 제공한다. 또한 상기 초저열전도성 세라믹 고온단열재를 제조하기 위하여 무기물질 전체를 100 중량%로 하였을 때에 나노 SiC 20~60중량%, 나노 실리카 10~45중량%, 나노 탄소 30~60 중량% 및 추가적으로 유기바인더 1~5 중량%를 포함하는 초저열전도성 세라믹 고온단열재 제조용 조성물을 제공한다. 또한, SiC 코어/ SiO2쉘 구조의 입자를 포함하는 것을 특징으로 하는 초저열전도성 세라믹 고온단열재 소재의 제조공정을 제공한다.
The present invention relates to a ceramic high-temperature insulating material with ultra-low conductivity, a composition thereof, and a method for producing a ceramic high-temperature insulating material with ultra-low conductivity. More specifically, provided is a ceramic high-temperature insulating material with ultra-low conductivity, which contains particles of a SiC core/SiO_2 shell structure, and has a porosity of 65-95%, a thermal conductivity of 0.010-0.090 W/mK, and a specific compressive strength of 2-20 MPa.cm^3/g. In addition, provided is a composition for producing a ceramic high-temperature insulating material with ultra-low conductivity, which comprises, in order to produce the ceramic high-temperature insulating material with ultra-low conductivity, 20-60 wt% of nano SiC, 10-45 wt% of nano silica, 30-60 wt% of nano carbon, and additionally 1-5 wt% of an organic binder with respect to 100 wt% of the total amount of an inorganic substance. In addition, provided is a producing process of a ceramic high-temperature insulating material with ultra-low conductivity, which includes particles of a SiC core/SiO_2 shell structure.
Composition of high temperature ceramic thermal insulators with multiple thermal resistance induced extremely low thermal conductivity thermal insulators and manufacturing method of the same
본 발명은 초저열전도성 세라믹 고온단열재 및 그 조성물, 그리고 초저열전도성 세라믹 고온단열재의 제조 방법에 관한 것이다. 보다 상세하게는 SiC 코어/ SiO2쉘 구조의 입자를 포함하며, 기공율 65~95%, 열전도도 0.010~0.090 W/mK 및 비압축강도(specific compressive strength) 2~20 MPa.cm3/g 범위를 가지는 초저열전도성 세라믹 고온단열재를 제공한다. 또한 상기 초저열전도성 세라믹 고온단열재를 제조하기 위하여 무기물질 전체를 100 중량%로 하였을 때에 나노 SiC 20~60중량%, 나노 실리카 10~45중량%, 나노 탄소 30~60 중량% 및 추가적으로 유기바인더 1~5 중량%를 포함하는 초저열전도성 세라믹 고온단열재 제조용 조성물을 제공한다. 또한, SiC 코어/ SiO2쉘 구조의 입자를 포함하는 것을 특징으로 하는 초저열전도성 세라믹 고온단열재 소재의 제조공정을 제공한다.
The present invention relates to a ceramic high-temperature insulating material with ultra-low conductivity, a composition thereof, and a method for producing a ceramic high-temperature insulating material with ultra-low conductivity. More specifically, provided is a ceramic high-temperature insulating material with ultra-low conductivity, which contains particles of a SiC core/SiO_2 shell structure, and has a porosity of 65-95%, a thermal conductivity of 0.010-0.090 W/mK, and a specific compressive strength of 2-20 MPa.cm^3/g. In addition, provided is a composition for producing a ceramic high-temperature insulating material with ultra-low conductivity, which comprises, in order to produce the ceramic high-temperature insulating material with ultra-low conductivity, 20-60 wt% of nano SiC, 10-45 wt% of nano silica, 30-60 wt% of nano carbon, and additionally 1-5 wt% of an organic binder with respect to 100 wt% of the total amount of an inorganic substance. In addition, provided is a producing process of a ceramic high-temperature insulating material with ultra-low conductivity, which includes particles of a SiC core/SiO_2 shell structure.
Composition of high temperature ceramic thermal insulators with multiple thermal resistance induced extremely low thermal conductivity thermal insulators and manufacturing method of the same
다중 열저항을 이용한 초저열전도성 세라믹 고온단열재 조성물, 고온단열재 및 그 제조방법
2023-04-28
Patent
Electronic Resource
Korean
IPC:
C04B
Kalk
,
LIME
Thermal conductivity on industrial insulators
Engineering Index Backfile | 1921
Study of Thermal Behavior of Porcelain Insulators with the Finite Element Method
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