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Flame-retardant thermal insulation paint used for curtain walls and preparation method of flame-retardant thermal insulation paint

A technology for thermal insulation coatings and curtain walls, applied in fire-resistant coatings, coatings, etc., can solve the problems of uneconomical application, high VOC volatilization, low thermal insulation efficiency, etc., achieving excellent flame retardant effect and thermal insulation effect, and simple processing technology. , The effect of environmental protection and pollution is small

Inactive Publication Date: 2015-10-21
王舒怡
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing thermal insulation coatings have reached a relatively high level in a single performance index, it is still difficult to meet the requirements of comprehensive indicators such as temperature resistance, flame retardancy, heat insulation, waterproof, and adhesion.
The large amount of flame retardant added in existing coatings leads to a decrease in heat insulation efficiency, which affects the overall performance of the coating
Some paint coats are thick and uneconomical to apply
Some coatings contain a large amount of organic solvents and high VOC volatility, which is not conducive to the use of environmentally friendly building materials
Commonly used thermal insulation coatings decrease in thermal insulation effect over time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Step 1. modified acrylic resin preparation method comprises the following steps:

[0033] Nano-boron oxide: 1,1,1-trimethylolpropane: aluminum sulfate (ie Al 2 (SO 4 ) 3 ): The mass ratio of deionized water is 8.5:1:60:200. After mixing, stir evenly. The stirring speed is 120r / min. Adjust the pH value to 8.5. After stirring for 3 hours, reduce the stirring speed to 50r / min and continue stirring for 1 hour Finally, dry at 80°C to obtain powder A;

[0034] Mix acrylic acid, dimethyldiethylsilane, epoxysuccinic acid: powder A: deionized water with a mass ratio of 5: 1:3: 0.06: 27 and mix evenly at a stirring speed of 110r / min. Add ammonia water dropwise to adjust the pH value to 8.5 to obtain mixture 1;

[0035] Mix dicumyl hydroperoxide: N, N-methylenebisacrylamide: sodium bisulfite: deionized water in a mass ratio of 6:3:5:100 to obtain mixture 2;

[0036] Add mixture two to mixture one and continue to stir for 9 minutes. Mixture three, control the temperature at ...

Embodiment 2

[0043] Step 1. modified acrylic resin preparation method comprises the following steps:

[0044] Nano-boron oxide: 1,1,1-trimethylolpropane: aluminum sulfate (ie Al 2 (SO 4 ) 3 ): The mass ratio of deionized water is 8:1:70:220. After mixing, stir evenly. The stirring speed is 160r / min. Adjust the pH value to 8.2. After stirring for 2 hours, reduce the stirring speed to 20r / min and continue stirring for 2 hours. Afterwards, dry at 60°C to obtain powder A;

[0045] Mix acrylic acid, dimethyldiethylsilane, epoxysuccinic acid: powder A: deionized water with a mass ratio of 3:0.5:2:0.04:18 and mix evenly at a stirring speed of 100r / min. Add ammonia water dropwise to adjust the pH value to 8 to obtain mixture 1;

[0046] Mix dicumyl hydroperoxide: N, N-methylenebisacrylamide: sodium bisulfite: deionized mass ratio 6:3:5:100 to obtain mixture 2;

[0047] Add mixture 2 to mixture 1 and continue to stir for 8 minutes. Mixture 3, control the temperature at 60°C, keep it warm for...

Embodiment 3

[0054] Step 1. modified acrylic resin preparation method comprises the following steps:

[0055] Nano-boron oxide: 1,1,1-trimethylolpropane: aluminum sulfate (ie Al 2 (SO 4 ) 3 ): The mass ratio of deionized water is 9:2:65:210. After mixing, stir evenly. The stirring speed is 140r / min. Adjust the pH value to 8.5. After stirring for 3 hours, reduce the stirring speed to 30r / min and continue stirring for 1 hour Finally, dry at 70°C to obtain powder A;

[0056] Mix acrylic acid, dimethyldiethylsilane, epoxysuccinic acid: powder A: deionized water with a mass ratio of 4:0.8:3:0.09:24 and mix evenly at a stirring speed of 90r / min. Add ammonia water dropwise to adjust the pH value to 8.5 to obtain mixture 1;

[0057] Mix dicumyl hydroperoxide: N, N-methylenebisacrylamide: sodium bisulfite: deionized mass ratio 6:3:5:100 to obtain mixture 2;

[0058] Add mixture 2 to mixture 1 and continue to stir for 10 minutes. Mixture 3, control the temperature at 65°C, keep it warm for 30...

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Abstract

The invention discloses flame-retardant thermal insulation paint used for curtain walls and a preparation method of the flame-retardant thermal insulation paint. The flame-retardant thermal insulation paint is composed of, by weight, 100 parts to 115 parts of modified acrylic resin, 1 part to 1.6 parts of flatting agents, 3 parts to 4 parts of (1S,3S,5S)-3-(amino-carbonyl)-2-azabicyalo[3.1.0]hexane-2-tert-butyl formate, 0.8 part to 1.6 parts of guanidine carbonate, 1 part to 1.5 parts of zinc molybdate and 10 parts to 15 parts of bi(3,4-dimethyl benzylidene)sorbitol. The flame-retardant thermal insulation paint has the advantages that the flame-retardant effect and the thermal insulating effect of the paint are good; environmental protection is achieved, pollution is little, the machining process is simple, and operation is convenient; glass beads can not be separated out when the flame-retardant thermal insulation paint is used for a long time; the weather resistance of the paint is high, and paint components can not be separated out.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a flame-retardant and heat-insulating coating for curtain walls and a preparation method thereof. Background technique [0002] Curtain wall spraying functional coating is an important means of building energy saving, its cost is low, and construction is convenient. Although the existing thermal insulation coatings have reached a relatively high level in a single performance index, it is still difficult to meet the requirements for comprehensive indicators such as temperature resistance, flame retardancy, heat insulation, waterproof, and adhesion. The large amount of flame retardant added to the existing coatings leads to a decrease in heat insulation efficiency, which affects the overall performance of the coatings. Some coatings are thick and uneconomical to apply. There are also coatings that contain a large amount of organic solvents and high VOC volatility, which is not...

Claims

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Application Information

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IPC IPC(8): C09D133/02C09D5/18C09D7/12C08F220/06C08F222/38
CPCC09D5/18C09D7/40C09D133/02
Inventor 秦玉柱胡伟刘宁厉祥成庄光庆范开升王舒怡
Owner 王舒怡
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