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A kind of transparent fireproof coating for building timber

A fire retardant coating and wood technology, applied in fire retardant coatings, antifouling/underwater coatings, coatings, etc., can solve the problems of poor coating flexibility, weather resistance and antibacterial properties, aggravating coating film cracking, and coating film cracking. , to shorten the surface drying time, improve the rigidity, and improve the weather resistance.

Active Publication Date: 2019-01-29
JIANGXI LONGZHENG SCI & TECH DEV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A major factor that limits the practical application of transparent decorative fire retardant coatings is the poor flexibility, weather resistance and antibacterial properties of the coating film. After the coating is applied to the substrate and cured, it is prone to cracking of the coating film. If in order to improve the flame retardant The effect of adding inorganic fire retardants will further aggravate the cracking of the coating film

Method used

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  • A kind of transparent fireproof coating for building timber
  • A kind of transparent fireproof coating for building timber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] (1) 65 grams of water glass, 35 grams of modified calcium carbonate, 2 grams of polyoxyethylene polyoxypropanolamine ether and 26 grams of sulfonated polyetheramine-polybenzimidazole-hyperbranched polypyrrole terpolymer After mixing evenly with a mixer, add it to 20 grams of deionized water, which is component A, and set aside;

[0039] (2) 70 grams of ethyl orthosilicate, 2,2', 2", 2"'-[1,2-bidimethylene tetrakis (4,1-phenylene methylene oxide)] tetracyclic 20 grams of oxyethane, 8 grams of 6-bromo-1,2-epoxyhexane and 9 grams of ethanol are mixed evenly with a mixer, which is the B component, which is ready for use;

[0040] (3) After mixing 35 grams of modified nano-silica, 7 grams of ethylene glycol, 8 grams of KH-550 and 3 grams of N,N'-carbonyldiimidazole with a mixer, add 15 grams of dimethyl methylene Among the sulfones, it is the C component, which is ready for use;

[0041] (4) A, B, and C are mixed uniformly to obtain a kind of wood structure transparent firep...

Embodiment 2

[0066] (1) 65 grams of water glass, 35 grams of calcium carbonate with an average particle size of 2000 meshes, 2 grams of polyoxyethylene polyoxypropanolamine ether and sulfonated polyetheramine-polybenzimidazole-hyperbranched polypyrrole terpolymer After mixing 26 grams of the compound evenly with a mixer, add it to 20 grams of deionized water, which is the A component, and stand-by;

[0067] (2) 70 grams of ethyl orthosilicate, 2,2', 2", 2"'-[1,2-bidimethylene tetrakis (4,1-phenylene methylene oxide)] tetracyclic 20 grams of oxyethane, 8 grams of 6-bromo-1,2-epoxyhexane and 9 grams of ethanol are mixed evenly with a mixer, which is the B component, which is ready for use;

[0068] (3) After mixing 35 grams of modified nano-silica, 7 grams of ethylene glycol, 8 grams of KH-550 and 3 grams of N,N'-carbonyldiimidazole with a mixer, add 15 grams of dimethyl methylene Among the sulfones, it is the C component, which is ready for use;

[0069] (4) A, B, and C are mixed uniforml...

Embodiment 3

[0087] (1) 65 grams of water glass, 35 grams of modified calcium carbonate, 2 grams of polyoxyethylene polyoxypropanolamine ether and 26 grams of sulfonated polyetheramine-polybenzimidazole-hyperbranched polypyrrole terpolymer After mixing evenly with a mixer, add it to 20 grams of deionized water, which is component A, and set aside;

[0088] (2) 70 grams of ethyl orthosilicate, 2,2', 2", 2"'-[1,2-bidimethylene tetrakis (4,1-phenylene methylene oxide)] tetracyclic 20 grams of oxyethane, 8 grams of 6-bromo-1,2-epoxyhexane and 9 grams of ethanol are mixed evenly with a mixer, which is the B component, which is ready for use;

[0089] (3) After mixing 35 grams of silicon dioxide with an average particle size of 300 nanometers, 7 grams of ethylene glycol, 8 grams of KH-550 and 3 grams of N,N'-carbonyldiimidazole with a mixer, add 15 grams of diimidazole In methyl sulfoxide, it is component C, ready for use;

[0090] (4) A, B, and C are mixed uniformly to obtain a kind of wood s...

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Abstract

The invention discloses a transparent fire retardant coating for building timber. The transparent fire retardant coating is prepared from A, B and C, wherein the A is prepared from the following components: sodium silicate, deionized water, modified calcium carbonate, polyoxyethylene polyoxypropylene ether and sulfonated polyether amine-polybenzimidazole-overbranched polypyrrize terpolymer; the B is prepared from the following components: tetraethyl orthosilicate, 2,2',2'',2'' '-[1,2-ethanetetrayl tetra(4,1-phenylene oxymethylene)] tetraethylene oxide, 6-bromo-1,2-ethylene oxide and ethanol; the C is prepared from the following components: modified nano-silicon dioxide, dimethyl sulfoxide, ethylene glycol, KH-550 and N,N'-carbonyldiiazole.

Description

technical field [0001] The invention belongs to the technical field of coatings, and more specifically, the invention relates to a transparent fireproof coating for building timber. Background technique [0002] At present, coating fire-resistant coatings is the best means of fire-proofing building wood. When the wood is exposed to fire, it can prolong the fire-resistant time of the wood and slow down the spread of the fire, so that there is enough time for fighting and reducing the losses caused by the fire as much as possible. In the prior art, in order to improve the flame retardant effect, it is generally achieved by adding inorganic fire retardant additives containing P, Si, B, N and other elements. Morphology, and for wood structure fire retardant coatings, its decorativeness is precisely the key factor to be considered: wood is generally used in construction, cultural relic protection, architectural decoration and high-end furniture, and these building materials have ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D187/00C09D7/62C09D7/63C09D5/18C09D5/14C08G81/00
CPCC08G81/00C08K2201/011C08K2201/014C08L2201/02C08L2201/10C09D5/14C09D5/18C09D7/62C09D7/63C09D187/005C08L71/02C08K13/06C08K9/08C08K2003/265C08K3/36C08K5/1515C08K5/3445
Inventor 容七英章慧芹
Owner JIANGXI LONGZHENG SCI & TECH DEV
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