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Superhard amorphous state ceramic silica gel and preparation method thereof as well as composition used for preparing superhard amorphous state ceramic silica gel

An amorphous and ceramic technology, applied in the field of high-temperature-resistant materials, can solve problems such as obstacles to the promotion and use of fire-resistant cables and large-scale production, unfavorable promotion and use of fire-resistant cables and large-scale production, and increased production costs and production cycles of fire-resistant cables. , to achieve the effects of large-scale production and popularization, convenient and low-cost preparation, and convenient production

Inactive Publication Date: 2017-07-28
KUSN ZHONGDI MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the traditional process, the production process of refractory materials for fire-resistant cables is complicated, the process is cumbersome and the cost is high, which has caused great obstacles to the promotion and use of fire-resistant cables and large-scale production
[0003] Generally speaking, the existing high-temperature-resistant materials and refractory materials used to produce fire-resistant cables have high production costs and complicated production processes, which greatly increase the cost and production cycle of fire-resistant cables, which is not conducive to the popularization and use of fire-resistant cables. Production

Method used

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  • Superhard amorphous state ceramic silica gel and preparation method thereof as well as composition used for preparing superhard amorphous state ceramic silica gel
  • Superhard amorphous state ceramic silica gel and preparation method thereof as well as composition used for preparing superhard amorphous state ceramic silica gel
  • Superhard amorphous state ceramic silica gel and preparation method thereof as well as composition used for preparing superhard amorphous state ceramic silica gel

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preparation example Construction

[0030] The embodiment of the present invention also provides a method for preparing the above-mentioned superhard amorphous ceramicized silica gel, which comprises: heating and molding a mixture of refractory powder, ceramic powder, organic silicon polymer and auxiliary agent.

[0031] It should be noted that after heating and molding, in the state of a mixture of refractory powder, ceramic powder, organosilicon polymer and additives, the coupling agent couples the organosilicon polymer to form a spatial network structure. The refractory powder and ceramic powder are tightly connected together. After heating and forming, the reticulated silicone polymer is solidified and formed, so that the super-hard amorphous ceramized silica gel forms a stable and extremely strong spatial network skeleton, and each component is tightly connected and embedded in the spatial network 状架中。 In the framework. This makes the strength, high temperature resistance and high temperature stability of the ...

Embodiment 1

[0046] This embodiment provides a composition for preparing superhard amorphous ceramicized silica gel, which includes:

[0047] 20g vinyl polysiloxane;

[0048] 27g of alumina powder, 27g of aluminum hydroxide powder;

[0049] 9g of silica powder

[0050] 0.2g of coupling agent LD-70.

[0051] Among them, the average particle size of the alumina powder is 35 μm, the average particle size of the aluminum hydroxide powder is 4.7 μm, and the average particle size of the silica powder is 10 μm.

Embodiment 2

[0053] This embodiment provides a composition for preparing superhard amorphous ceramicized silica gel, which includes:

[0054] 20g vinyl polysiloxane, 0.08g polymethylhydrogensiloxane;

[0055] 15g of alumina powder, 30g of aluminum hydroxide powder;

[0056] 18g of silica powder;

[0057] 0.2g of coupling agent LD-70.

[0058] Among them, the average particle size of the alumina powder is 35 μm, the average particle size of the aluminum hydroxide powder is 4.7 μm, and the average particle size of the silica powder is 10 μm.

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Abstract

The invention relates to a superhard amorphous ceramic silica gel, a preparation method thereof and a composition for preparing superhard amorphous ceramic silica gel, and relates to the technical field of high temperature resistant materials. The composition comprises 8%-35% of organosilicon polymer, 25%-55% of refractory powder, 20%-50% of ceramic powder and the rest of additives in weight percent. The silicone polymer includes at least one of vinyl polysiloxane, styryl polysiloxane, methacrylate siloxane, and polymethylhydrogen siloxane. Auxiliaries include coupling agents. It is readily available and inexpensive. The preparation method includes heating and molding the mixture of refractory powder, ceramic powder, organosilicon polymer and additives. The process is simplified and the production is convenient. The superhard amorphous ceramic silica gel is prepared from the above composition through the above preparation method. The high-temperature resistance performance is good, the production is convenient, and the cost is low, which is helpful for the large-scale industrial production and popularization of the fire-resistant cable.

Description

Technical field [0001] The invention relates to the technical field of high-temperature resistant materials, in particular to a superhard amorphous ceramized silica gel, a preparation method thereof, and a composition for preparing the superhard amorphous ceramized silica gel. Background technique [0002] With the development of the wire and cable industry, the requirements for fire-resistant cables are further increased. Correspondingly, the requirements for fire-resistant and high-temperature-resistant materials have been further increased. In the traditional process, the production process of refractory materials for refractory cables is complicated, the process is cumbersome and the cost is relatively high, which has caused great obstacles to the popularization and large-scale production of refractory cables. [0003] In general, the existing high-temperature materials and refractory materials used to produce fire-resistant cables have high production costs and complex produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C04B35/14C04B35/101C04B35/453
CPCC04B35/66C04B35/101C04B35/14C04B35/453C04B2235/3206C04B2235/3217C04B2235/3218C04B2235/3284C04B2235/386C04B2235/3865C04B2235/483C04B2235/96
Inventor 刘伟德王强刘乔佳
Owner KUSN ZHONGDI MATERIALS TECH
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