Thermal insulation coating and preparation method thereof

A technology for thermal insulation and coating, which is applied to fire-resistant coatings, conductive coatings, antifouling/underwater coatings, etc., can solve the problems of durability and adhesion performance to be further improved, and achieves improved mechanical strength and simple preparation method. , the effect of improving film-forming properties

Inactive Publication Date: 2021-03-19
泗县钧科新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the weather resistance, chemical resistance, durability and adhesion performance of the coating need to be further improved

Method used

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  • Thermal insulation coating and preparation method thereof

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preparation example Construction

[0034] The preparation method of the modified carbon foam embedded with hollow nanoparticles includes: dispersing the foam carbon embedded with hollow nanoparticles in an organic solvent, and then adding vinyltriethoxysilane, 2-[ 3-(2H-Benzotriazol-2-yl)-4-hydroxyphenyl]ethyl 2-methacrylate, N-trimethylolmethacrylamide, glycidyl methacrylate, 1- Allyl-3-vinylimidazolium chloride salt, initiator, stirred and reacted at 70-80°C for 4-6 hours in an inert gas atmosphere, then centrifuged, washed with ethanol, dried, and ground through a 1200-1500 mesh sieve. The modified carbon foam with sealed pores embedded with hollow nanoparticles is obtained.

[0035] The carbon foam embedded with hollow nanoparticles, organic solvent, vinyltriethoxysilane, 2-[3-(2H-benzotriazol-2-yl)-4-hydroxyphenyl]ethyl 2- The mass ratio of methacrylate, N-trimethylol methacrylamide, glycidyl methacrylate, 1-allyl-3-vinylimidazole chloride salt, initiator is (3-5):( 20-30):(0.2-0.3):0.3:0.3:0.2:(0.1-0.3)...

Embodiment 1

[0046] Embodiment 1 provides a heat-insulating coating, which is characterized in that it is made of the following raw materials in parts by weight: 8 parts of foamed carbon embedded with hollow nanoparticles in modified sealed holes, 3 parts of hydrophilic molecular sieves, amino-terminated 30 parts of hyperbranched polybenzimidazole, 10 parts of sulfonated polybenzimidazole, 30 parts of inorganic filler, 2 parts of defoamer, 1 part of dispersant, and 10 parts of solvent.

[0047] The solvent is cyclohexanone; the dispersant is sodium hexametaphosphate; the defoamer is tributyl phosphate; the inorganic filler is double fly powder; the particle diameter of the inorganic filler is 1000 mesh; Amino-terminated hyperbranched polybenzimidazole is the third generation product.

[0048] The preparation method of the modified carbon foam embedded with hollow nanoparticles includes: dispersing the foam carbon embedded with hollow nanoparticles in an organic solvent, and then adding vin...

Embodiment 2

[0052] Embodiment 2 provides a kind of thermal insulation coating, its formulation and preparation method are basically the same as embodiment 1, the difference is that it is made of the following raw materials in parts by weight: modified sealed foam with hollow nanoparticles embedded Carbon 8.5 parts, hydrophilic molecular sieve 3.5 parts, amino-terminated hyperbranched polybenzimidazole 33 parts, sulfonated polybenzimidazole 12 parts, inorganic filler 33 parts, defoamer 2.5 parts, dispersant 1.5 parts, solvent 11 parts ; The carbon foam embedded with hollow nanoparticles, organic solvent, vinyltriethoxysilane, 2-[3-(2H-benzotriazol-2-yl)-4-hydroxyphenyl] ethyl 2 -The mass ratio of methacrylate, N-trimethylol methacrylamide, glycidyl methacrylate, 1-allyl-3-vinylimidazolium chloride, initiator is 3.5:23:0.23: 0.3:0.3:0.2:0.15:0.012.

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Abstract

The invention discloses a thermal insulation coating. The thermal insulation coating is prepared from the following raw materials in parts by weight: 8-10 parts of foamy carbon with modified sealed holes embedded with hollow nanoparticles, 3-5 parts of a hydrophilic molecular sieve, 30-40 parts of amino-terminated hyperbranched polybenzimidazole, 10-20 parts of sulfonated polybenzimidazole, 30-40parts of an inorganic filler, 2-4 parts of a defoaming agent, 1-3 parts of a dispersing agent and 10-15 parts of a solvent. The invention also provides a preparation method of the thermal insulation coating. The thermal insulation coating provided by the invention is excellent in comprehensive performance, better in thermal insulation effect, better in performance stability and water resistance, stronger in adhesive force with a base material and longer in service life.

Description

technical field [0001] The invention relates to the technical field of functional coatings, in particular to a thermal insulation coating and a preparation method thereof. Background technique [0002] In recent years, with the continuous acceleration of urbanization in our country, various construction projects have increased, which has promoted the development of thermal insulation materials to a certain extent, and various new thermal insulation materials with excellent performance have come out one after another, and It quickly won the unanimous approval of the industry. The use of thermal insulation materials is an important measure to keep the indoor temperature constant, increase the temperature difference between indoor and outdoor, create a suitable indoor thermal environment and save energy. [0003] In building heat insulation materials, building heat insulation coatings are more and more popular because of their advantages such as convenient use, good heat insul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D179/04C09D7/62C09D5/24C09D5/14C09D5/18
CPCC09D179/04C09D5/24C09D5/14C09D5/18C09D7/62C09D7/70C08L2205/025C08K2201/011C08L2201/02C08L2201/04
Inventor 钱科技季路路
Owner 泗县钧科新材料科技有限公司
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