CN101280142B - Preparation method of environment-friendly aqueous nanometer fireproof flame-retardant coating - Google Patents

Preparation method of environment-friendly aqueous nanometer fireproof flame-retardant coating Download PDF

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Publication number
CN101280142B
CN101280142B CN2007100274035A CN200710027403A CN101280142B CN 101280142 B CN101280142 B CN 101280142B CN 2007100274035 A CN2007100274035 A CN 2007100274035A CN 200710027403 A CN200710027403 A CN 200710027403A CN 101280142 B CN101280142 B CN 101280142B
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China
Prior art keywords
flame
retardant coating
content
environment
nanometer
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CN2007100274035A
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Chinese (zh)
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CN101280142A (en
Inventor
唐万雄
蓝方维
宋桂珍
周小勇
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中山市孙大化工科技有限公司
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Publication of CN101280142A publication Critical patent/CN101280142A/en
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Abstract

The present invention relates to an environmental-friendly waterborne nanometer fireproof flame-retardant coating and a preparation method thereof, belonging to the fireproof flame-retardant coating manufacturing technology. The flame-retardant coating is obtained through the compounding of two types of flame-retardant agents, waterborne resin, and a plurality of compositions; the flame-retardant coating contains no organic agent and halogen flame retardant, low VOC content, good fireproof property, good physical and chemical properties; the composition of the flame-retardant coating is as follows: the content of waterborne resin is 10-90%; the content of phyllo-silicate nanometer flame retardant which contains phosphor, nitrogen organic intercalation is 1-50%; the content of nanometer magnesium hydroxide flame retardant wrapped by polymer is 1-50%; the content of ammonium polyphosphate is 1-30%; the content of melamine is 1-20%; the content of carbon-forming agent is 1-30%; the content of nanometer pigment and filler is 0.1 to 30%; the content of micrometer filler is 0.1 to 60%; the content of dispersant is 0.1 to 10%; the content of stabilizer is 0.1 to 10%; the content of water is 0.1 to 50%; the content of micrometer pigment is proper; firstly, waterborne resin, nanometer flame retardant, ammonium polyphosphate, melamine, carbon-forming agent, nanometer pigment and fillers, dispersant and stabilizer are put into a planet stirring reactor for stirring and even dispersion; micrometer pigment and filler, water, dispersant and stabilizer are added to the discharged mixture and then put into a high-speed dispersion machine for even dispersion so that the product is obtained.

Description

The preparation method of environment-friendly aqueous nanometer fireproof flame-retardant coating
[technical field]
The present invention is a kind of preparation method of environment-friendly aqueous nanometer fireproof flame-retardant coating, is the employed fire-retardant novel material of a kind of building trade, belongs to chemical industry fireproof flame-retardant coating manufacturing technology.
[background technology]
Development along with modern building technology, rely on steel construction, the heavy construction of reinforced column, beam, plate load-bearing has occupied dominant position gradually, and particularly some public buildings such as stadiums, song and dance theater, market, hotel, office building etc. mainly are the types of construction that adopts steel construction.Because general structural steel commonly used promptly loses supporting capacity about 540 ℃ critical temperature, and when the buildings presence of fire, the temperature in the scene of a fire in minutes can reach about 1000 ℃, exposed steel will soon rise to more than 540 ℃ the critical temperature, its bearing capacity will sharply descend and cause building collapse, thereby cause huge property damage and serious loss of life and personal injury, therefore both at home and abroad all there is this class buildings of relevant laws and regulations requirement must be to the reinforced beam of load-bearing, post, plate and steel construction coating fireproof flame-retardant coating win the quality time so that rescue the people for the fire department fire extinguishing.Wherein the fire resistance period of reinforced beam, post, plate must reach more than 3 hours, generally can adopt thickness to reach the above thick type fireproof flame-retardant coating of 7mm (every square metre needs 14 kilograms of coating approximately); Common steel construction general requirement fire resistance period reached more than 1 hour, generally can adopt the ultrathin anti-flaming dope (every square metre approximately need 6 kilogram coating) of thickness less than 3mm.Therefore progressively perfect along with China's fire codes, the market demand of fireproof flame-retardant coating will sharp increase.At present domestic fireproof flame-retardant coating product is still main based on the very high solvent-borne type of VOC content, and common water-based fireproof anti-flaming dope is auxilliary.The coating of solvent-borne type fireproof flame-retardant coating the time can volatilize a large amount of poisonous and hazardous organic solvents, environment and workers'health is caused have a strong impact on, and has disaster hidden-trouble, does not meet modern environmental requirement.And there are many deficiencies in common water-based fireproof anti-flaming dope, mainly shows: 1. fire resistance is not good, and strength of coating was poor after the chance fire expanded, and can peel off, and influenced fire resistance.2. weather resistance and ageing-resistant performance are not good, and coating and base material bonding force can descend gradually, and occur easily peeling off, phenomenon such as efflorescence, influence fire resistance.There is the flue gas safety problem when 3. meeting fire.Because common water-based fireproof anti-flaming dope generally contains the halogen-containing flame retardant of decabrominated dipheny ethers, can produce brominated diphenyl Dioxins etc. at high temperature strong carinogenicity and toxic gas and smog are arranged, escape crowd and firefighter are produced very big murder by poisoning, also can cause severe contamination to environment, not meet the international environmental requirement of high standards such as RoHS instruction.
[summary of the invention]
The preparation method who the purpose of this invention is to provide a kind of environment-friendly aqueous nanometer fireproof flame-retardant coating; it is by adopting two kinds of nano-meter flame retardantses-phosphorous; the nano-magnesium hydrate fire retardant of nitrogen organic intercalated layered silicate nano-meter flame retardants and polymer overmold and water-base resin; nanometer face; filler; micron face; filler and other additive compound obtain a kind of organic solvent and halogen flame of not containing; VOC content is very low; the fire resistance excellence; physicochemical property is good; not producing brominated diphenyl Dioxins etc. when meeting fire has the environment-friendly aqueous nanometer fireproof flame-retardant coating of strong carinogenicity and toxic gas and smog; thereby satisfy the demand of modern architecture to the high-performance environmentally-friendly fireproof flame-retardant coating; reduce the discharging of VOC; protect environment better; the healthy of fiery personnel and firemen met in protection, satisfies the international environmental requirement of high standard such as RoHS instruction.
(1) composition components
The constituent of environment-friendly aqueous nanometer fireproof flame-retardant coating of the present invention is as follows:
(2) composition components structure and source
(1) water-base resin of the present invention can be water-borne acrylic resin (I), water-based styrene-propene acid resin (II), water-based vinyl acetate between to for plastic-acrylic resin (III), the composition of one or more in water-based vinyl acetate-styrene resin (IV) and the aqueous alkide resin (V).
Its structural formula is as follows:
R 1, R 3, R 5, R 7Can be H, CH 3
R 2, R 4, R 6, R 8Can be H, CH 3, CH 2CH 3, CH 2CH 2CH 2CH 3, (CH 2) 5CH (CH 3) 2, CH 2CH 2OH, CH 2CH 2CH 2OH
Character: solid content is 20%~80%, has colourless, fast light, ageing-resistant characteristics.
The source: China produces
(2) fire retardant of the present invention is the nano-magnesium hydrate fire retardant of phosphorous, nitrogen organic intercalated layered silicate nano-meter flame retardants and polymer overmold.
Character: have the excellent flame retardancy energy
The source: Chinese South China Science ﹠ Engineering University provides
(3) kicker of the present invention's employing is an ammonium polyphosphate.
Character: under high temperature or flame, decomposite acid, make carbon forming agent dehydration carbonization.
The source: China produces
(4) whipping agent of the present invention's employing is a trimeric cyanamide.
Character: decomposition is at a certain temperature emitted non-flammable gases and is made the coating foaming.
The source: China produces
(5) carbon forming agent of the present invention is one or both compositions in tetramethylolmethane and the starch.
Character: becoming to make under the C catalyst effect bubble to form carburization zone.
The source: China produces
(6) nanometer face, filler refer to nanometer SiO 2, TiO 2And CaCO 3One or more composition.
Character: inertia or coloured
The source: China produces
(7) the micron filler refers to micron-sized CaCO 3, SiO 2, wollastonite, talcum powder, BaSO 4And diatomaceous one or more composition.
Character: inertia
The source: China produces
(8) dispersion agent refers to one or more the composition among phosphoric acid salt, polyacrylate and the polycarboxylic acid salt.
Character: reduce the bounding force between particulate
The source: China produces
(9) stablizer refers to emulsion paint is played stabilization, effectively improve the layering, breakdown of emulsion, gel and the thickening phenomenon that occur after the emulsion paint long storage, can improve the consistency of nano material, possess the grow dim material of function of significant anti-floating look simultaneously, refer to titanate coupling agent here.
The source: China produces
(10) micron pigment refers to TiO 2, one or both the composition in lithopone, carbon black, red iron oxide and the iron oxide yellow.
Character: inertia or coloured
The source: China produces
(3) preparation method of the present invention
It is with water-base resin and nano-meter flame retardants, ammonium polyphosphate, trimeric cyanamide, carbon forming agent, face, filler, it is even that an amount of dispersion agent, stablizer etc. drop in the planet stirring tank dispersed with stirring together, mixture after the discharging adds a micron face, filler, an amount of water, dispersion agent, stablizer again and is uniformly dispersed under high speed dispersor, and discharging is packaged to be environment-friendly aqueous nanometer fireproof flame-retardant coating.
(4) advantage of the present invention
(1) high-quality and efficient, the fire resistance excellence does not contain organic solvent and halogen flame, and VOC content is very low;
(2) physicochemical property is good, and can not produce the brominated diphenyl Dioxins when meeting fire has strong carinogenicity and toxic gas and smog;
(3) coat-thickness is little, can economize in raw materials, and reach usefulness; Coat-thickness is when 2 ± 0.2mm, and fire endurance reaches 1.0~1.7 hours, has reached the time requirement of people's escape and fire-fighting fire fighting fully.Satisfy the requirement of modern architecture to the high-performance environmentally-friendly fireproof flame-retardant coating.
(4) material obtains easily, process easy, the production efficiency height.
[description of drawings]
Further set forth content of the present invention according to description of drawings and embodiment below.Accompanying drawing 1 is preparation method's artwork of the present invention.
[embodiment]
The present invention is further illustrated below in conjunction with embodiment.
The embodiment of the invention 1 environment-friendly aqueous nanometer fireproof flame-retardant coating, its component and weight percent are:
The preparation method of above-mentioned environment-friendly aqueous nanometer fireproof flame-retardant coating comprises the steps:
At first with water-borne acrylic resin and nano-meter flame retardants, ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, nanometer face, filler, it is even that an amount of dispersion agent, stablizer etc. drop in the planet stirring tank dispersed with stirring together, mixture after the discharging adds a micron face, filler, an amount of water, dispersion agent, stablizer again and is uniformly dispersed under high speed dispersor, and discharging is packaged to be environment-friendly aqueous nanometer fireproof flame-retardant coating.
The embodiment of the invention 2 environment-friendly aqueous nanometer fireproof flame-retardant coatings, its component and weight percent are:
The preparation method of above-mentioned environment-friendly aqueous nanometer fireproof flame-retardant coating comprises the steps:
At first with water-borne acrylic resin and nano-meter flame retardants, ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, nanometer face, filler, it is even that an amount of dispersion agent, stablizer etc. drop in the planet stirring tank dispersed with stirring together, mixture after the discharging adds a micron face, filler, an amount of water, dispersion agent, stablizer again and is uniformly dispersed under high speed dispersor, and discharging is packaged to be environment-friendly aqueous nanometer fireproof flame-retardant coating.
The embodiment of the invention 3 environment-friendly aqueous nanometer fireproof flame-retardant coatings, its component and weight percent are:
The preparation method of above-mentioned environment-friendly aqueous nanometer fireproof flame-retardant coating comprises the steps:
At first with water-based styrene-acrylic resin and nano-meter flame retardants, ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, nanometer face, filler, it is even that an amount of dispersion agent, stablizer etc. drop in the planet stirring tank dispersed with stirring together, mixture after the discharging adds a micron face, filler, an amount of water, dispersion agent, stablizer again and is uniformly dispersed under high speed dispersor, and discharging is packaged to be environment-friendly aqueous nanometer fireproof flame-retardant coating.
The embodiment of the invention 4 environment-friendly aqueous nanometer fireproof flame-retardant coatings, its component and weight percent are:
The preparation method of above-mentioned environment-friendly aqueous nanometer fireproof flame-retardant coating comprises the steps:
At first with water-based styrene-acrylic resin and nano-meter flame retardants, ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, nanometer face, filler, it is even that an amount of dispersion agent, stablizer etc. drop in the planet stirring tank dispersed with stirring together, mixture after the discharging adds a micron face, filler, an amount of water, dispersion agent, stablizer again and is uniformly dispersed under high speed dispersor, and discharging is packaged to be environment-friendly aqueous nanometer fireproof flame-retardant coating.
The embodiment of the invention 5 environment-friendly aqueous nanometer fireproof flame-retardant coatings, its component and weight percent are:
The preparation method of above-mentioned environment-friendly aqueous nanometer fireproof flame-retardant coating, comprise the steps: at first water-based vinegar third resin and nano-meter flame retardants, ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, nanometer face, filler, it is even that an amount of dispersion agent, stablizer etc. drop in the planet stirring tank dispersed with stirring together, mixture after the discharging adds a micron face, filler, an amount of water, dispersion agent, stablizer again and is uniformly dispersed under high speed dispersor, and discharging is packaged to be environment-friendly aqueous nanometer fireproof flame-retardant coating.
The embodiment of the invention 6 environment-friendly aqueous nanometer fireproof flame-retardant coatings, its component and weight percent are:
The preparation method of above-mentioned environment-friendly aqueous nanometer fireproof flame-retardant coating comprises the steps:
At first with water-based vinegar third resin and nano-meter flame retardants, ammonium polyphosphate, trimeric cyanamide, tetramethylolmethane, nanometer face, filler, it is even that an amount of dispersion agent, stablizer etc. drop in the planet stirring tank dispersed with stirring together, mixture after the discharging adds a micron face, filler, an amount of water, dispersion agent, stablizer again and is uniformly dispersed under high speed dispersor, and discharging is packaged to be environment-friendly aqueous nanometer fireproof flame-retardant coating.Above embodiment 1,2,3,4,5,6 environment-friendly aqueous nanometer fireproof flame-retardant coatings, solvent-borne type fireproof flame-retardant coating and common water-based fireproof flame-retardant coating are carried out every performance test, shown in the following tabulation of its result:

Claims (9)

1. the preparation method of environment-friendly aqueous nanometer fireproof flame-retardant coating, it is composed as follows:
2. according to the preparation method of the environment-friendly aqueous nanometer fireproof flame-retardant coating described in the claim 1, it is characterized in that earlier that with water-base resin, nano-meter flame retardants, ammonium polyphosphate, trimeric cyanamide, carbon forming agent, nanometer face, filler it is even that dispersion agent and stablizer drop in the planet stirring tank dispersed with stirring together; Mixture after the discharging adds a micron face, filler again, water, dispersion agent and the stablizer acquisition finished product that is uniformly dispersed in high speed dispersor.
3. according to the preparation method of the environment-friendly aqueous nanometer fireproof flame-retardant coating described in the claim 1, it is characterized in that water-base resin is water-borne acrylic resin (I), water-based vinylbenzene-acrylic resin (II), water-based vinyl acetate between to for plastic-acrylic resin (III), water-based vinyl acetate-styrene resin (IV), the composition of one or more in the aqueous alkide resin (V).
4. according to the preparation method of the environment-friendly aqueous nanometer fireproof flame-retardant coating described in the claim 1, it is characterized in that carbon forming agent is one or both compositions of tetramethylolmethane and starch.
5. according to the preparation method of the environment-friendly aqueous nanometer fireproof flame-retardant coating described in the claim 1, it is characterized in that nanometer face, filler are meant nanometer SiO 2, TiO 2And CaCO 3, one or more composition.
6. according to the preparation method of the environment-friendly aqueous nanometer fireproof flame-retardant coating described in the claim 1, it is characterized in that micron filler is lime carbonate, talcum powder, wollastonite, kaolin, silicon-dioxide, barium sulfate and diatomaceous one or more composition.
7. according to the preparation method of the environment-friendly aqueous nanometer fireproof flame-retardant coating described in the claim 1, it is characterized in that dispersion agent can be one or more the composition among phosphoric acid salt, polyacrylate, the polycarboxylic acid salt.
8. according to the preparation method of the environment-friendly aqueous nanometer fireproof flame-retardant coating described in the claim 1, it is characterized in that stablizer is a titanate coupling agent.
9. according to the preparation method of the environment-friendly aqueous nanometer fireproof flame-retardant coating described in the claim 1, it is characterized in that micron pigment is TiO 2, one or both the composition in lithopone, carbon black, red iron oxide and the iron oxide yellow.
CN2007100274035A 2007-04-04 2007-04-04 Preparation method of environment-friendly aqueous nanometer fireproof flame-retardant coating CN101280142B (en)

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