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Nanometer anti-corrosion thermal insulation coating

A kind of thermal insulation coating, nano technology, applied in anti-corrosion coatings, fire-retardant coatings, coatings and other directions, to improve the bonding force, improve thermal insulation performance, and shield thermal energy.

Inactive Publication Date: 2019-02-12
合肥晓拂新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there are no reports of coatings that can both keep heat and prevent corrosion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The preparation method of modified nano titanium nitride comprises the following steps:

[0027] Dissolve sodium lauryl sulfate in hot water at 70°C for stirring and dispersing, then add nano-titanium nitride for stirring and dispersing, ultrasonically treat for 1.5 hours, and then filter and dry to obtain modified nano-titanium nitride. The mass ratio of sodium lauryl sulfate to nano-titanium nitride is 7:1.

[0028] The effect of modification is measured by sedimentation experiment. Weigh 1-1.5g of the above-mentioned modified nano-titanium nitride sample and place it in a graduated cylinder with a ground mouth. First add a small amount of xylene to fully wet the nano-titanium nitride-graphene oxide. Finally, add xylene until 20mL is fully vibrated evenly, let it stand for different times under room temperature, record the mass of the sediment, and convert it into a sedimentation index; the sedimentation index=(mass of the sedimented part of the sample / total sample ma...

Embodiment 2

[0035] The preparation method of modified nano titanium nitride comprises the following steps:

[0036] Dissolve sodium lauryl sulfate in hot water at 80°C for stirring and dispersing, then add nano-titanium nitride for stirring and dispersing, ultrasonically treat for 0.5h, and then filter and dry to obtain modified nano-titanium nitride. The mass ratio of sodium lauryl sulfate to nano-titanium nitride is 5:1.

[0037] It can be seen from the test that the unmodified nano-titanium nitride-graphene oxide will completely settle down in xylene for about 3-5 hours, while the modified nano-titanium nitride will only settle in 1.2-1.8 hours after 24 hours in xylene. % precipitation, only about 2.6-3.2% precipitation after 48h. Therefore, the modified nano-titanium nitride has better dispersion performance and better modification effect.

[0038] The preparation method of modified silicone resin comprises the following steps:

[0039] 1) Calculated in parts by weight, weigh 50 pa...

Embodiment 3

[0043] A nano anti-corrosion thermal insulation coating, calculated in parts by weight, comprises the following components:

[0044] 50 parts of acrylic resins, 24 parts of modified silicone resins of Example 1, 9 parts of modified nano-titanium nitrides of Example 1, 7 parts of bentonite, 12 parts of nano ceramic hollow particles, 13 parts of graphite powder, alcohol ester twelve parts 4 parts, 0.3 parts of sodium oleate, 0.9 parts of pigment, 0.3 parts of emulsified methyl silicone oil and 25 parts of water.

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Abstract

The invention provides a nanometer anti-corrosion thermal insulation coating, which comprises the following components in parts by weight: 40-60 parts of acrylic resin, 20-30 parts of modified silicone resin, 6-12 parts of modified nanometer titanium nitride, 5-10 parts of bentonite, 10-16 parts of nanometer ceramic hollow particles, 10-16 parts of graphite powder, 2-6 parts of coalescing agents,0.1-0.5 parts of dispersing agents, 0.6-1.2 parts of pigment, 0.1-0.5 parts of defoaming agents, and 20-30 parts of water; the modified silicone resin is mainly prepared from silicone resin, acrylic acid, an initiator and silica sol, and the modified nanometer titanium nitride is mainly prepared from nanometer titanium nitride and sodium dodecyl sulfate. The nanometer anti-corrosion thermal insulation coating not only has good anti-corrosion performance, but also has good thermal-resistant and thermal insulation performance.

Description

technical field [0001] The invention belongs to the technical field of nanometer materials, and in particular relates to a nanometer anticorrosion and thermal insulation coating. Background technique [0002] The method of painting thermal insulation coatings on building walls to ensure that buildings have energy-saving performance has been more and more widely used. The existing building thermal insulation coatings mainly use ordinary Portland cement, fly ash , fiber and other materials are used as heat insulation fillers, the heat insulation, heat resistance and adhesion to the wall of the coating cannot meet the requirements of the society and need to be improved and improved. However, at present, the performance of anti-corrosion coatings is relatively single, some can only prevent corrosion, some can only resist heat, and some can only resist wear. However, a lot of industrial equipment needs a kind of anti-corrosion coating with multiple properties at the same time, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D183/04C09D133/02C09D5/08C09D7/61C09D7/62
CPCC09D133/00C08K2201/011C08L2201/08C08L2205/035C09D5/08C09D5/18C09D7/61C09D7/62C09D7/70C08L83/04C08L33/02C08K9/04C08K3/28C08K3/346C08K7/24C08K13/06
Inventor 李致
Owner 合肥晓拂新能源有限公司
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