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Nano-ceramic coating for thermal insulation of glass

A nano-ceramic and nano-ceramic powder technology, applied in fire-resistant coatings, polyester coatings, polyurea/polyurethane coatings, etc., can solve the problems affecting the actual effect and service life of heat insulation and energy saving, insufficient paint film adhesion, and film yield rate. Low problems, to achieve excellent optical transparency and heat insulation performance, to meet the effect of flexural resistance, strong high temperature resistance

Inactive Publication Date: 2018-12-07
安徽诺辰新型材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most glass insulation water-based coatings are applied to existing architectural glass, and there are problems such as low construction efficiency, low yield of coating film, insufficient adhesion of paint film and poor hardness performance, which seriously affects the actual effect of heat insulation and energy saving. and service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The preparation method of nano ceramic powder comprises the following steps:

[0024] 1) Calculated in parts by weight, weigh 50 parts of nano-zirconia, 30 parts of nano-silicon nitride, 2 parts of nano-titanium nitride and 1 part of nano-zinc oxide;

[0025] 2) Prepare the weighed ingredients into a suspension, then ultrasonically stir until uniform, then ball mill and mix uniformly on a ball mill, and vacuum dry to obtain raw material powder;

[0026] 3) Put the mixed raw material powder into a graphite mold, and prepare it by hot-pressing sintering process. The hot-pressing sintering temperature is 1460° C., the holding time is 10 hours, and pulverized to obtain nano-ceramic powder.

Embodiment 2

[0028] The preparation method of nano ceramic powder comprises the following steps:

[0029] 1) Calculated in parts by weight, weigh 60 parts of nano-zirconia, 20 parts of nano-silicon nitride, 5 parts of nano-titanium nitride and 3 parts of nano-zinc oxide;

[0030] 2) Prepare the weighed ingredients into a suspension, then ultrasonically stir until uniform, then ball mill and mix uniformly on a ball mill, and vacuum dry to obtain raw material powder;

[0031] 3) Put the mixed raw material powder into a graphite mold, and prepare it by hot pressing sintering process. The hot pressing sintering temperature is 1600° C., the holding time is 3 hours, and pulverized to obtain nano ceramic powder.

Embodiment 3

[0033] A nano-ceramic coating for glass heat insulation, calculated in parts by weight, comprising the following components:

[0034] 38 parts of water-based polyurethane, 12 parts of water-based alkyd resin emulsion, 7 parts of nano-ceramic fiber, 12 parts of potassium hexatitanate whisker, 8 parts of nano-ceramic powder of embodiment 2, 15 parts of nano-perlite, 4 parts of alumina fiber, 2 parts of ammonium acrylate dispersant, 2 parts of methyl cellulose, 0.6 part of polydimethyl aqueous polyurethane solution and 20 parts of water.

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Abstract

The invention discloses a nano-ceramic coating for the thermal insulation of glass. The nano-ceramic coating contains the following components in parts by weight: 30-45 parts of waterborne polyurethane, 10-16 parts of a waterborne alkyd resin emulsion, 5-10 parts of nano-ceramic fibers, 8-16 parts of potassium hexatitanate whiskers, 5-10 parts of nano-ceramic powder, 12-18 parts of nanometer perlite, 3-6 parts of alumina fibers, 1-3 parts of a dispersing agent, 1-3 parts of a thickening agent, 0.2-1 part of a defoaming agent and 15-25 parts of water. The nano-ceramic coating is mainly preparedfrom nano-zirconia, nano-silicon nitride, nano-titanium nitride and nano-zinc oxide. The coating has excellent thermal insulation property and good painting film adhering capacity.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a nano-ceramic coating for glass heat insulation. Background technique [0002] Paint, traditionally called paint in China, is coated on the surface of an object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, or oil, or emulsion, with the addition of or It is a viscous liquid prepared with organic solvents or water without adding pigments or fillers and adding corresponding additives. Coatings are widely used in people's production and life, and fire-resistant coatings and heat-insulating coatings are one of them. [0003] At present, the main materials used for glass energy saving are: Low-E glass, glass film and heat insulation coating. Low-E glass is mainly used in the field of new buildings and is irreplaceable. Energy-saving materials applied to existing building glass are mainl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D167/08C09D7/61
CPCC08K2003/2244C08K2003/2296C08K2201/011C09D5/18C09D7/61C09D7/70C09D175/04C08L67/08C08K7/04C08K7/08C08K3/34C08K3/22C08K3/28
Inventor 戴超锋
Owner 安徽诺辰新型材料有限公司
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