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Thermal insulation coating and its preparation method and application

A thermal insulation and coating technology, applied in the field of coatings, to achieve the effects of easy operation, reduced loss, and simple preparation methods

Inactive Publication Date: 2017-07-21
NANJING DAQIAO PAINT IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the existing three thermal insulation coatings have their own advantages and disadvantages. In order to obtain more ideal thermal insulation, heat insulation and anti-corrosion effects, it is necessary to further study the components and contents of thermal insulation coatings in order to develop Insulation material with better heat insulation effect

Method used

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  • Thermal insulation coating and its preparation method and application
  • Thermal insulation coating and its preparation method and application
  • Thermal insulation coating and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The thermal insulation coating of present embodiment 1 comprises A component and B component; Wherein,

[0037] Component A, by weight percentage, includes: 23% hollow glass microspheres, 7% rutile titanium dioxide, 3% expandable microsphere foaming agent, 1% organosilicon concentrated type defoamer (0.7% Aire900 defoamer and 0.3% Foamex N defoamer), 1% of inorganic anti-settling agent (0.3% ST modified hydrogenated pyrene sesame oil and 0.7% organic bentonite SD-2), 1% of leveling agent and 11% of DBE solvent and 53% high functionality epoxy resin.

[0038] Component B, by weight percentage, includes: 78% biuret and 22% butyl acetate.

[0039] The hollow glass microspheres described in Example 1 are 3M hollow glass microspheres from DuPont Company.

[0040] The titanium dioxide is rutile titanium dioxide from DuPont Company.

[0041] The expandable microsphere foaming agent adopts the expandable microsphere foaming agent produced by DuPont Company.

[0042] The sil...

Embodiment 2

[0053] The thermal insulation coating of present embodiment 2 comprises A component and B component; Wherein,

[0054] Component A, by weight percentage, includes: 23% hollow glass microspheres, 7% rutile titanium dioxide, 1% expandable microsphere foaming agent, 1% silicone concentrated defoamer (0.3% Aire900 defoamer and 0.7% Foamex N defoamer), 1% inorganic anti-settling agent (0.3% ST modified hydrogenated pyrene sesame oil and 0.7% organic bentonite SD-2), 1% leveling agent and 11% DBE solvent and 55% high functionality epoxy resin.

[0055] Component B, by weight percentage, includes: 85% biuret and 15% butyl acetate.

[0056] Above-mentioned each raw material all adopts the product that each manufacturer that records in embodiment 1 provides. But not limited thereto, materials with the same or similar functional effects that can be obtained by those skilled in the art can be used in the present invention.

[0057] The preparation method of the thermal insulation coat...

Embodiment 3

[0059] Application of thermal insulation coating sprayed on the outer surface of high temperature equipment as thermal insulation coating

[0060] Mix component A and component B in the thermal insulation coating in Example 1 and Example 2 according to the mass ratio of 3-6:1 to obtain a coating mixture, and then spray the coating mixture outside the high-temperature equipment The surface is cured at room temperature to obtain a thermal insulation coating.

[0061] Preferably, the coating mixture is obtained after mixing component A and component B according to a mass ratio of 4-5.5:1. More preferably, the coating mixture is obtained after mixing component A and component B according to the mass ratio of 4.5-5:1.

[0062] The thermal insulation coating has a thickness of 2-8 mm to achieve a good thermal insulation effect. After comprehensive consideration of the coating thickness and heat insulation effect, the thickness of the thermal insulation coating is preferably 3-5mm....

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Abstract

The invention provides a heat insulation coating as well as a preparation method and application thereof. The heat insulation coating comprises a component A and a component B, wherein the component A comprises hollow glass beads, titanium dioxide, an expandable microsphere foaming agent, an organic silicon concentrated defoaming agent, an inorganic anti-settling agent, a levelling agent, a solvent and epoxy resin; the component B comprises biuret and butyl acetate. The preparation method comprises the following steps: mixing the raw materials of the component A and the raw materials of the component B respectively to obtain a mixture of the component A and a mixture of the component B respectively and packaging the mixtures respectively. The heat insulation coating has the beneficial effects that the thickness of films is reduced and the pore size is limited to nanoscale by using vacuum materials to eliminate air convection, reduce heat conduction and convection and improve the heat insulation effects of the heat insulation coating; the heat insulation coating is sprayed onto the outer surface of high temperature equipment to serve as a heat insulation coat, can achieve the effect of effectively inhibiting heat radiation and heat loss, has heat insulation efficiency over 68%, and has the effects of reducing the loss and creating economic benefits for manufacturers. The preparation method is simple and is easy to operate.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to thermal insulation coatings and their preparation methods and applications. Background technique [0002] Thermal insulation coatings, coatings that can block heat exchange, are also called thermal insulation coatings. Different types of thermal insulation coatings have different thermal conductivity and thermal insulation effects. The material composition of thermal insulation coatings is different, and their physical and thermal properties are also different; the thermal insulation mechanism is different, and their thermal conductivity or thermal conductivity are also different. [0003] According to the mechanism of thermal insulation, thermal insulation coatings can be divided into three categories: barrier thermal insulation coatings, reflective thermal insulation coatings and radiation thermal insulation coatings. The heat insulation mechanism of the barrier type thermal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D7/12
CPCC09D7/61C09D7/70C09D163/00C08L91/00C08K13/06C08K7/28C08K2003/2241C08K3/346C08K5/21
Inventor 赵云祥傅佩芬
Owner NANJING DAQIAO PAINT IND CO LTD
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