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Nanocrystalline plate

A technology of nanocrystalline and foamed glass-ceramics, applied in glass forming, glass manufacturing equipment, manufacturing tools, etc., can solve the problems of poor physical and chemical stability, difficult construction, cracking, etc. Natural and smooth, simple process effect

Pending Publication Date: 2018-04-10
江西高透基板材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But these materials also have the following problems: 1. Organic thermal insulation materials are flammable, have toxic gases, poor physical and chemical stability, easy aging, short service life, organic thermal insulation materials do not match inorganic wall surfaces, are prone to shrinkage and deformation, and are difficult to construct
Inorganic insulation materials are easy to absorb water, crack and have poor corrosion resistance
The manufacturing process of composite insulation materials is complicated and the manufacturing cost is high

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The nano crystal plate of the present embodiment is made by the following steps:

[0041] a. Add the crushed nano crystallite plate produced in the production process into a ball mill, and grind it into powder with a particle size of 170 mesh. The mass percentage composition of the crushed microcrystal plate includes: SiO 2 72.0%, Al 2 o 3 0.388%, Fe 2 o 3 0.012%, CaO 12.5%, MgO 1.6%, Na 2 O 13.1%, Sb 2 o 3 0.4%;

[0042] b. In weight percentage, get 90% of the nano glass-ceramic powder, 8% of foaming agent, and 2% of foam stabilizer, mix and make a particle size of 170 mesh foamed glass-ceramics mixture, the foaming agent NaSiO 3 , CeO 2 Composite blowing agent composed of;

[0043] c. Spread and scrape the foamed glass-ceramic mixture in the refractory mold with a distributing machine; The colored nano crystallite powder of 1000 °C, the particle size is 5 ~ 18 mesh, and the color nano crystallite block with an initial melting temperature of 1000 °C is s...

Embodiment 2

[0048] The nano crystal plate of the present embodiment is made by the following steps:

[0049] a. Add the crushed nano crystallite plate produced in the production process into a ball mill, and grind it into powder with a particle size of 240 mesh. The mass percentage composition of the crushed microcrystal plate includes: SiO 2 73.0%, Al 2 o 3 0.3%, Fe 2 o 3 0.1%, CaO 10.4%, MgO1.8%, K 2 O 14.1%, Sb 2 o 3 0.3%;

[0050] B, in weight percent, get described nano glass-ceramics powder 95%, blowing agent 4.5%, foam stabilizer 0.5%, mix and make particle size be that the foamed glass-ceramics mixture of 240 objects, described blowing agent for Al 3 C 4 , composite blowing agent composed of SiC;

[0051] c. Spread and scrape the foamed glass-ceramic mixture in the refractory mold with a distributing machine; The colored nano-crystallite powder of 5°C, the particle size is 5~18 mesh, and the color nano-crystallite block with an initial melting temperature of 1100°C ...

Embodiment 3

[0056] The nano crystal plate of the present embodiment is made by the following steps:

[0057] a. Add the crushed nano crystallite plate produced in the production process into a ball mill, and grind it into powder with a particle size of 200 mesh. The mass percentage composition of the crushed microcrystal plate includes: SiO 2 72.2%, Al 2 o 3 0.358%, Fe 2 o 3 0.088%, CaO 11.5%, MgO 1.7%, R 2 O 13.8%, Sb 2 o 3 0.354%;

[0058] b. In weight percentage, get 92.5% of the nano glass-ceramic powder, 6% of foaming agent, and 1.5% of foam stabilizer, mix and make a particle size of 200 mesh foamed glass-ceramic mixture, the foaming agent for Al 3 C 4 、NaNO 3 Composite blowing agent composed of;

[0059] c. Spread and scrape the foamed glass-ceramic mixture in the refractory mold with a distributing machine; The colored nano crystallite powder of 5°C, the particle size is 5 ~ 18 mesh, and the color nano crystallite block with an initial melting temperature of 1020°C...

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Abstract

The invention provides a nanocrystalline plate, which comprises a foam nanocrystalline glass layer, a colored nanocrystalline glass layer and a TiO2-SiO2 antibacterial coating from bottom to top, wherein the colored nanocrystalline glass layer is formed by melting upper-layer colored nanocrystalline blocks and lower-layer colored nanocrystalline powder and has texture within the layer. A preparation method for the nanocrystalline plate comprises the following steps: a. grinding broken nanocrystalline plates into powder; b. mixing nanocrystalline glass powder, a foaming agent and a foam stabilizer to prepare a foam glass ceramic mixture; c. successively putting the foam glass ceramic mixture, the colored nanocrystalline powder and the colored nanocrystalline blocks into a refractory mold; d, carrying out firing, melting and foaming; and e, successively carrying out coating with TiO2-SiO2 gel and calcining. The nanocrystalline plate of the invention has good heat-insulating property, small specific gravity, high mechanical strength, beautiful appearance and good anti-bacterial effect; the water resistance of the nanocrystalline plate is improved by 50 to 60% compared with ordinary microcrystalline plates; and the nanocrystalline plate can be widely applied to interior decoration.

Description

technical field [0001] The invention belongs to the field of building materials, in particular to a nano-microcrystalline plate. Background technique [0002] Nano-microcrystalline plate is a composite material composed of crystals and solid solutions with excellent physical and chemical properties, which is formed by controlling the nano-microcrystallization process of the crystal nucleus inside the material through a specific composition formula. It has high mechanical strength, hardness and tensile strength. High strength, high gloss, expansion coefficient (1~80) × 10 -7 / °C, water absorption < 0.05%, good acid and alkali resistance and excellent thermal shock resistance, at 500 °C, it will not burst when placed directly in water or air, and the whole is intact. It can be widely used as furnace panels, building decoration materials, countertops, wear-resistant acid and alkali resistant castings, seals, etc. The surface of the polished nano-microcrystalline plate has ...

Claims

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Application Information

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IPC IPC(8): C03C11/00C03C6/02C03B19/08C03C17/25C03C23/00
CPCC03B19/08C03C1/002C03C11/007C03C17/256C03C23/007
Inventor 朱新明
Owner 江西高透基板材料科技有限公司
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