Novel ceramic heat insulating coat and preparation process thereof

A technology of thermal insulation coating and thermal insulation layer, applied in layered products, metal layered products, reflective/signal coatings, etc., can solve the problem of increasing thermal expansion and thermal stress of linear materials, high surface temperature of objects, and accelerated material corrosion. and other problems, to achieve the effect of extending the heat transfer path, changing the direction of heat conduction, and overcoming the loose texture

Active Publication Date: 2013-06-19
HANGZHOU WILLIAM INVESTMENT MANAGEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the atmospheric environment, solar radiation increases the thermal expansion and thermal stress of the linear material, causing the surface temperature of the object to be too high; accelerating the corrosion, aging and degradation of the material, and easily causing the wall to crack, absorb water, and fall off

Method used

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  • Novel ceramic heat insulating coat and preparation process thereof
  • Novel ceramic heat insulating coat and preparation process thereof
  • Novel ceramic heat insulating coat and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The ceramic hollow microbeads in the ceramic heat-insulating coating of Example 1 The ceramic hollow microbeads in the matrix heat-insulating layer are made from the following raw materials in parts by weight in a vacuum environment: 26 parts of silicon dioxide; 43 parts of aluminum oxide; 4 parts of titanium dioxide; 8 parts of barium sulfate.

[0047] The manufacturing method of ceramic hollow microbead matrix heat insulation layer comprises the following steps:

[0048] 1) Add wetting agent, dispersant, antifreeze and other additives into water and stir to disperse for 20 minutes;

[0049] 2) Add pigments, fillers, and tetrafluoroethylene with a fluorine content of 30%-32% for stirring and dispersing. Add defoamers and thickeners during stirring. The stirring speed is 1000r / min, and the stirring time is 30min;

[0050] 3) Add the emulsion mixed evenly with additives and plasticizers and stir;

[0051] 4) Add the prepared ceramic hollow microspheres, add defoamer an...

Embodiment 2

[0056] The ceramic hollow microbeads in the ceramic heat-insulating coating of Example 2 The ceramic hollow microbeads in the matrix heat-insulating layer are made from the following raw materials in parts by weight in a vacuum environment: 28 parts of silicon dioxide; 42 parts of aluminum oxide; 4.5 parts of titanium dioxide; 7 parts of barium sulfate.

[0057] The manufacturing method of ceramic hollow microbead matrix heat insulation layer comprises the following steps:

[0058] 1) Add wetting agent, dispersant, antifreeze and other additives into water and stir to disperse for 20 minutes;

[0059] 2) Add pigments, fillers, and tetrafluoroethylene with a fluorine content of 30%-32% for stirring and dispersing. Add defoamers and thickeners during stirring. The stirring speed is 1100r / min, and the stirring time is 35min;

[0060] 3) Add the emulsion mixed evenly with additives and plasticizers and stir;

[0061] 4) Add the prepared ceramic hollow microspheres, add defoamer ...

Embodiment 3

[0066] The ceramic hollow microbeads in the ceramic heat-insulating coating of Example 3 The ceramic hollow microbeads in the matrix heat-insulating layer are made of the following raw materials in parts by weight in a vacuum environment: 30 parts of silicon dioxide; 40 parts of aluminum oxide; 5 parts of titanium dioxide; 6 parts of barium sulfate.

[0067] The manufacturing method of ceramic hollow microbead matrix heat insulation layer comprises the following steps:

[0068] 1) Add wetting agent, dispersant, antifreeze and other additives into water and stir to disperse for 20 minutes;

[0069] 2) Add pigments, fillers, and tetrafluoroethylene with a fluorine content of 30%-32% for stirring and dispersing. Add defoamers and thickeners during stirring. The stirring speed is 1200r / min, and the stirring time is 40min;

[0070] 3) Add the emulsion mixed evenly with additives and plasticizers and stir;

[0071] 4) Add the prepared ceramic hollow microspheres, add defoamer and ...

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Abstract

The invention provides a novel ceramic heat insulating coat and a preparation process of the novel ceramic heat insulating coat. The coat comprises a three-layer structure, including a hollow ceramic micro-bead matrix heat insulating layer, a metal material coating film layer and a seal undercoat layer from outside to inside, wherein hollow ceramic micro-beads are arranged in the hollow ceramic micro-bead matrix heat insulating layer, and the interiors of the hollow ceramic micro-beads are vacuum. The coat and the preparation process disclosed by the invention has the advantages that the production process is simple, the use is economic and reasonable, the construction is convenient, the capacities of reflective heat insulation and radiation hardening can be realized, energy can be obviously saved, the development prospect is considerable.

Description

technical field [0001] The invention belongs to the field of architectural coatings, in particular to a novel ceramic heat-insulating coating and a manufacturing process thereof. Background technique [0002] Building energy conservation has become an important part of energy conservation in the whole society. With the deepening of our country's construction of a resource-saving and environment-friendly society and the continuous deepening of energy conservation and emission reduction, the importance and urgency of building energy conservation will become increasingly prominent. The temperature increase of the roof and exterior wall of the building causes the surrounding environment and indoor temperature to be too high, which is one of the main influences that cause the high energy consumption of buildings. Under the irradiation of sunlight, heat continuously accumulates on the surface of the irradiated object, which will make its surface temperature continuously increase....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/04B32B27/20B32B15/04C09D5/33C04B35/10
Inventor 吴闻涛
Owner HANGZHOU WILLIAM INVESTMENT MANAGEMENT
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