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Nanometer high temperature resistant thermal insulation and prevention coating

A technology of heat insulation and high temperature resistance, applied in the direction of coating, etc., can solve problems such as not very mature

Active Publication Date: 2014-12-24
株洲中铁中南制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although some preparation methods of this kind of thermal insulation materials have been introduced one after another, they are not very mature and are still in the research stage, and there is still a certain gap from large-scale popularization and application.

Method used

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  • Nanometer high temperature resistant thermal insulation and prevention coating
  • Nanometer high temperature resistant thermal insulation and prevention coating
  • Nanometer high temperature resistant thermal insulation and prevention coating

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Embodiment Construction

[0030] Describe the present invention in detail below in conjunction with specific embodiment: A kind of nano high temperature resistant thermal insulation coating, concrete formula is composed as follows:

[0031]

[0032]

[0033] The content units of the above-mentioned components are calculated by mass fraction.

[0034] The preparation process steps of nanometer high temperature resistant thermal insulation coating are as follows:

[0035] a. Preparation of modified potassium hexatitanate whisker slurry

[0036] Add 2 parts of silane coupling agent, 3 parts of dispersant, 0.4 part of wetting agent, 0.4 part of defoamer, and 2 parts of pH regulator into 15 parts of deionized water, stir well and add 80 parts of potassium hexatitanate whiskers , dispersed at high speed for 1 hour to make 80% potassium hexatitanate whisker slurry;

[0037] b. Preparation of silica airgel slurry

[0038] Add 2 parts of dispersant, 0.4 part of wetting agent, 0.4 part of defoamer, 1 pa...

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Abstract

The invention discloses a nanometer high temperature resistant thermal insulation and prevention coating. SiO2 aerogel, modified potassium hexatitanate whisker, aluminum silicate fiber, ultra-fine cenosphere, nanometer TiO2 and nanometer Al2O3 are used as a thermal insulation filler. A vacuum thermal insulation layer is formed by nano porous structures of SiO2 aerogel and cenosphere. The aluminum silicate fiber is used as a reinforcing and toughening material. The infrared shading performance of potassium hexatitanate whisker, nanometer TiO2 and nanometer Al2O3 are used as a thermal radiation shielding layer. A silicon resin emulsion and an acrylic emulsion are compounded to be an adhesive. Therefore, the nanometer 600 DEG C temperature resistant thermal insulation and prevention coating is prepared with matching of a variety of functional additives. The nanometer high temperature resistant thermal insulation and prevention coating has the characteristics of scumbling, thermal insulation, waterproofing, anti-crack, anti-corrosion, high temperature resistance, weather-proofing, durability and the like and is applicable to the field of industrial high temperature resistant thermal insulation energy conservation.

Description

[0001] Field of invention [0002] The invention relates to the technical field of industrial high-temperature-resistant heat-insulating and energy-saving protective coatings, in particular to a nanometer high-temperature-resistant heat-insulating and heat-preserving coating. Background technique [0003] As we all know, in order to achieve the goals of ecological environmental protection, energy saving and emission reduction, effective heat insulation and anticorrosion measures must be taken for the surface of metal structures such as industrial heat transmission pipes and thermal equipment. In the prior art, traditional thermal insulation materials such as rock wool felt, inorganic thermal insulation mortar, polystyrene foam board, foamed polyurethane, etc. are widely used, but the use of these traditional thermal insulation materials must reach a certain thickness to have a relatively high performance. Good thermal insulation performance is time-consuming and labor-intensiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D133/00C09D7/12
Inventor 刘成楼唐国军
Owner 株洲中铁中南制造有限公司
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