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Environment-friendly nano ceramic film coating with self heat radiating function and preparation method thereof

A ceramic film coating, an environmentally friendly technology, applied in the direction of coating, can solve the problems of poor heat resistance, heat dissipation, passenger health threat, etc., and achieve the effects of good weather resistance, high thermal conductivity and high hardness

Inactive Publication Date: 2011-10-26
SHANGHAI EXCILON NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of paint usually uses synthetic resin to form the coating surface film, and its heat resistance is generally poor, and, at high temperature, it often causes various adverse effects on the environment and the body.
For example, for rail transit locomotives, in the event of a sudden accident, if the interior of the locomotive is fumigated by high temperature or the excess heat cannot be evacuated in time, the organic coating installed on the inner wall will cause harmful substances or volatilization at high temperatures. The harmful gas will pose a great health threat to the passengers who do not escape in time

Method used

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  • Environment-friendly nano ceramic film coating with self heat radiating function and preparation method thereof
  • Environment-friendly nano ceramic film coating with self heat radiating function and preparation method thereof
  • Environment-friendly nano ceramic film coating with self heat radiating function and preparation method thereof

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specific Embodiment 1

[0027] The environment-friendly nano-ceramic film coating with self-radiating function of the present invention can be formed according to the following formula:

[0028]

[0029]

[0030] These components add up to a total of 1000 kg.

[0031] The aluminum sol is water-dispersed nano-scale alumina, and its particle size can be selected as 15nm.

[0032] The silica sol is water-dispersed nano-scale silicon oxide with a particle size of 20nm.

[0033] The cobalt oxide is nano-scale cobalt oxide, and its particle size is 30nm.

[0034] The pigment can be copper chrome black, which has excellent chemical corrosion resistance, outdoor weather resistance, heat stability, light resistance, and has no permeability and no migration.

[0035] The filler can be nano-sized microcrystalline powder silica, the whiskers have small particle size and strong dispersibility, which helps to achieve the purpose of uniform mixing in the coating.

[0036] The anti-sedimentation agent can b...

specific Embodiment 2

[0037] The environment-friendly nano-ceramic film coating with self-radiating function of the present invention can be formed according to the following formula:

[0038]

[0039] These components add up to a total of 1000 kg.

[0040] The aluminum sol is water-dispersed nano-scale alumina, and its particle size can be selected as 25nm.

[0041] The silica sol is water-dispersed nano-scale silicon oxide with a particle size of 15nm.

[0042] The cobalt oxide is nano-scale cobalt oxide, and its particle size is 20nm.

[0043] The pigment can be titanium dioxide, which has strong hiding power, uniform and fine particles, easy dispersion and stable performance.

[0044] The filler can be alumina, which is a nano-scale powder with strong dispersion and easy to achieve uniform mixing in the coating. At the same time, because of its own nano-effect, it is beneficial to optimize the performance of the coating.

[0045] Among them, the anti-sedimentation agent can choose lithium...

specific Embodiment 3

[0046] The environment-friendly nano-ceramic film coating with self-radiating function of the present invention can be formed according to the following formula:

[0047]

[0048] These components add up to a total of 1000 kg.

[0049] The aluminum sol is water-dispersed nano-scale alumina, and its particle size can be selected as 35nm.

[0050] The silica sol is water-dispersed nano-scale silicon oxide with a particle size of 25nm.

[0051] The cobalt oxide is nano-scale cobalt oxide, and its particle size is 10nm.

[0052] One of the pigments, optional cobalt blue, has excellent hiding power, color transparency and high tinting strength, thermal stability, light fastness, and high light reflectivity.

[0053] The filler may be potassium titanate whiskers, which are highly dispersible and help to achieve the purpose of homogenization and mixing in the coating. At the same time, because of the strength of the whiskers themselves, it is beneficial to strengthen the cohesio...

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Abstract

The invention provides an environment-friendly nano ceramic film coating with a self heat radiating function and a preparation method thereof, belonging to the field of functional coating. The formula of the coating is as follows: 15-65% of alumina sol, 15-65% of silica sol, 4-20% of cobalt oxide, 3-27% of pigment, 3-27% of packing, 5-25% of anti-settling agent and the like. The preparation method comprises the following steps: respectively weighing the corresponding alumina sol, cobalt oxide, pigment, packing, anti-settling agent and the like, mixing, dispersing at high speed and grinding toobtain a component a; weighing the silica sol with a corresponding weight as a component b; and mixing the component a and the component b, standing and aging to obtain the ceramic film coating. The coating and the preparation method thereof are based on inorganic film forming raw materials, and the cobalt oxide is added to ensure that the invention has the characteristics of high-temperature resistance, fast heat radiation, far infrared radiation and the like, simultaneously has the quality of an enamel surface, strong decoration, safety and no toxicity, and is an environment-friendly high-temperature resistant coating.

Description

technical field [0001] The invention belongs to the field of functional coatings, and relates to an environment-friendly nano-porcelain coating with a self-radiating function and a preparation method thereof. Background technique [0002] At present, high-temperature-resistant coatings are mainly used in engines and exhaust pipes of vehicles such as automobiles and trains, military equipment such as machine guns and cannons, and semiconductor equipment such as integrated circuits and electronics. This type of paint usually uses synthetic resin to form the coating surface film, and its heat resistance is generally poor, and, at high temperature, it often causes various adverse effects on the environment and the body. For example, for rail transit locomotives, in the event of a sudden accident, if the interior of the locomotive is fumigated by high temperature or the excess heat cannot be evacuated in time, the organic coating installed on the inner wall will cause harmful sub...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D5/00
Inventor 李力锋
Owner SHANGHAI EXCILON NEW MATERIALS
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