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Self-cleaning flame-retardant environment-friendly coating for timber architectures, and preparation method thereof

An environmentally friendly coating and self-cleaning technology, applied in fire-resistant coatings, polyurea/polyurethane coatings, coatings, etc., can solve flammable problems and achieve good self-cleaning and healthy living environment effects

Inactive Publication Date: 2016-12-14
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] It should be noted that wooden structure buildings also have defects such as flammability, so fire protection of wooden structure buildings is very necessary

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A kind of self-cleaning flame-retardant environmental protection paint that is used for wooden structure building, its raw material formula is as follows (by mass parts):

[0038] polyurethane emulsion

40

Low Surface Energy Hydrophobic Auxiliary

5

Ammonium polyphosphate

9

Aluminum hydroxide

4

Zinc oxide

1

Titanium dioxide

9

Sericite

3

D

1.5

thickener

1

Defoamer

0.5

Dispersant

1.2

Coalescent

2

Deionized water

22.8

[0039] The preparation method of above-mentioned coating, it comprises following process step:

[0040] Batching is carried out according to the total weight of 100 kg, the speed of the high-speed disperser is adjusted to 500 rpm, and water, dispersant, defoamer, and low surface energy hydrophobic additive are added in sequence; after stirring, ammonium polyphosphate, ammonium polyphosphate, Aluminum hydroxide, zinc oxid...

Embodiment 2

[0042] A kind of self-cleaning flame-retardant environmental protection paint that is used for wooden structure building, its raw material formula is as follows (by mass parts):

[0043] polyurethane emulsion

[0044] The preparation method of above-mentioned coating is identical with embodiment 1.

Embodiment 3

[0046] A kind of self-cleaning flame-retardant environmental protection paint that is used for wooden structure building, its raw material formula is as follows (by mass parts):

[0047] polyurethane emulsion

[0048] The preparation method of above-mentioned coating is identical with embodiment 1.

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PUM

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Abstract

The invention specifically relates to a self-cleaning flame-retardant environment-friendly coating for timber architectures and a preparation method thereof, belonging to the technical field of environment-friendly functional coatings. According to the invention, polyurethane emulsion is used as a film forming substance; a fluorine silicon auxiliary agent containing a hydroxyl group is used as a hydrophobic auxiliary agent with low surface energy; a halogen-free flame-retardation system is composed of ammonium polyphosphate, aluminum hydroxide and zinc oxide; titanium dioxide, sericite, a wetting agent, a thickening agent, an antifoaming agent, a dispersant and a film forming auxiliary agent are additionally added; so the self-cleaning flame-retardant environment-friendly coating for timber architectures is prepared. The coating prepared in the invention has self-cleaning and flame-retardant functions and other functions, is widely applicable to timber architectures, protects the architectures and improves the living and working environments of people.

Description

technical field [0001] The invention belongs to the field of functional coatings, in particular to a self-cleaning, flame-retardant and environment-friendly coating for wooden structures and a preparation method. Background technique [0002] Wood has the characteristics of light weight, high strength, beautiful appearance, and good processing performance. It has been favored by people since ancient times and is an important class of building materials. Compared with reinforced concrete or brick and tile structure houses, wooden structure houses have the advantages of renewable raw materials, recyclable utilization, and green environmental protection. At the same time, wooden structures have good resistance to instantaneous impact and periodic fatigue damage, which makes wooden structures better able to resist natural disasters such as earthquakes. In addition, the use of wooden structure houses can protect the land, and the construction period of wooden structure buildings...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D7/12C09D5/18
CPCC09D175/04C09D5/18C09D7/61C09D7/63C09D7/65C08L1/284C08K13/02C08K2003/323C08K2003/2227C08K2003/2296C08K2003/2241C08K3/34
Inventor 袁伟忠邹辉陈相南陆叶强
Owner TONGJI UNIV
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