CN109836941A - A kind of Organic-inorganic composite nano heat-insulating fireproof coating and preparation method thereof - Google Patents
A kind of Organic-inorganic composite nano heat-insulating fireproof coating and preparation method thereof Download PDFInfo
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- CN109836941A CN109836941A CN201710876627.7A CN201710876627A CN109836941A CN 109836941 A CN109836941 A CN 109836941A CN 201710876627 A CN201710876627 A CN 201710876627A CN 109836941 A CN109836941 A CN 109836941A
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Abstract
The invention discloses a kind of Organic-inorganic composite nano heat-insulating fireproof coatings and preparation method thereof, by organic binder matter acrylic acid ester emulsion or styrene-acrylic emulsion, epoxy resin, organic expander flame-retardant system pentaerythrite, melamine and ammonium polyphosphate, it is blended and is prepared with inorganic fire retardants nano-aluminum hydroxide, nano-sized magnesium hydroxide and filler nanometer titanium dioxide, ceramic hollow microballon, hollow glass bead and part of auxiliary.The composite coating not only has excellent facing and fire protecting performance, there is reflecting effect to solar radiation simultaneously, there is certain heat-insulation and heat-preservation to substrate, but also there is good caking property, mechanical property and hydrophobic effect, it can be a kind of novel aqueous multi-functional fire proofing material by spraying or brushing molding before solidification.The composite fire retardant coating can be used as general construction wall fireproof coating and use, while use suitable for the fire prevention of building decoration materials, heat-barrier material, steel structure support, beam column, metal Roof etc..
Description
Technical field
The invention belongs to chemical building material class fields, and in particular to a kind of composite Nano heat-insulating, fire-preventing coating and its preparation side
Method.
Technical background
Building fire protection is a key areas of science and technology of fire protection, and China pays much attention to fire safety problem, many buildings
In detail design, just regulation must use fireproof coating.Fireproof coating is coated on combustible substrate surface, plays decoration to substrate
With protective effect, the intensity of a fire can be prevented to propagate and spread, when extending substrate ignition time or heat-insulating property to postpone wood destruction
Between, advantageous guarantee is provided for protection safety of life and property.Currently, fireproof coating is many kinds of, all obtained in many fields
It is widely applied.Fireproof coating has different classification methods according to various criterion: can be divided into inorganic resistance by base-material constituent
Burning coating material and organic fire-resisting coating, inorganic fire-retarded coating be usually using silicate, waterglass as the inorganic fireproof coating of film forming matter,
Organic fire-resisting paint binder type is more, common are phenolic resin, Vinylidene Chloride, chlorinated rubber, acrylic acid, modified amido tree
Rouge, styrene-acrylic resin, organic siliconresin etc..It is divided by application class: finishing fire retardant paint；Fire-resistant coating for steel structure；Cable is anti-
Fiery coating；Fire-proof coating for tunnels；Prestressed concrete floor slab fireproof coating.The most common classification method be by its fire prevention form and
Composition can be divided into non-expansion type and intumescent two major classes to divide, and expanding fire-proof paint is most popular both at home and abroad at present
A kind of fireproof coating, it is mainly by film forming matter (resin binder), dehydration catalyst, carbon forming agent, foaming agent, pigments and fillers, auxiliary agent
It is formed with decentralized medium, aqueous and two class of solvent borne can be divided into.
Inorganic fireproof coating is usually using inorganic binder as base-material, and water as solvent, inorganic salts are main additive.With
Other kinds of fireproof coating is compared, it in addition to have the advantages that water-soluble fire retardant coating it is some other than, since it is from base-material to big
Most additives are all inorganic matters, therefore in all fireproof coatings, the price of inorganic fireproof coating is minimum.But inorganic fire
The physicochemical property and application performance of coating are poor.Although organic fire prevention coating fire protecting performance and good physical and chemical properties, higher cost,
Some environmental problems are brought simultaneously.Organic-inorganic composite water-soluble fireproof coating has inorganic type and organic type fireproof coating concurrently
Feature.Organic-inorganic compoiste facing fireproof coating, it be introduced in inorganic binder component a certain amount of organic matter and
Be conducive to the auxiliary agent that film is water-fast, weather-proof to be modified, the physicochemical property of modified coating can greatly improve, and price compared with
Low, various performances are good.
The patent application of Publication No. CN102977710A discloses a kind of acrylic acid fireproof coating and preparation method thereof, main
It will be by thermoplastic acrylic resin, mixed solvent, synergistic flame retardant, silane coupling agent, titanate coupling agent and dispersant
It forms.The coating uses macromolecule-inorganic complex technique, improves high temperature continuity, the flexibility of fire resistant coating adhesive property,
It uses acrylate as base-material, keeps the flat appearance, light, facing of film good, it is water-fast, weather-proof, the service life is long.But the coating
The mixed solvent used is unfavorable for environmental protection there are hostile environment and the releasing of the gas of health in volatilization film forming procedure.
The patent application of Publication No. CN103073963A discloses a kind of Flame-retardant reflection insulation paint and its preparation side
Method, mainly by the acrylic emulsion of phosphate ester-containing group, titanium dioxide, sericite, heat-reflecting heat-insulating powder, hollow glass micropearl, water
And its auxiliary agent is prepared, which has both reflective insulation performance and flame retardant property, while having dispersibility well and storage
Stability.The acrylic emulsion that the phosphate ester-containing group of main fire retardation is played in the invention, at the initial stage for encountering case of fire
It can effectively play the role of preventing the intensity of a fire from expanding rapidly, but with the progress of burning, simple bound phosphate groups prevent effect
Fruit is limited, and there are certain fire hazards.
The patent application of Publication No. CN102061119A discloses a kind of solvent-free epoxy resin super-thin steel structure fire prevention
Coating, mainly by solvent-free epoxy resin, expanding fire retardant, titanium dioxide, zinc borate, expansible graphite, smoke suppressant and auxiliary agent system
Standby to form, which has fire performance, while having the advantages that epoxy resin, and adhesive force is good, corrosion-resistanting waterproofing performance is excellent, surface
It is decorative strong.But due to containing a large amount of phenyl ring rigid radical in epoxy molecule, as expanding fire-proof paint at
Membrane substance, when expanded by heating, foaminess is poor, and anti-flaming thermal-insulation performance is bad.
Summary of the invention
The purpose of the present invention is intended to overcome disadvantages mentioned above, provide it is a kind of it is environmentally protective, adhesive force is good, intensity is high, using the longevity
Life is long, fire protecting performance is excellent and has reflection, heat-insulated, hydrophobicity and decorative has.
It is a further object of the present invention to provide a kind of preparation methods of Organic-inorganic composite nano heat-insulating fireproof coating.
In order to achieve the above objectives, the present invention uses following solution: a kind of Organic-inorganic composite nano heat-insulating fire prevention painting
Material, it is characterised in that: the raw material including following weight proportion:
10~30 parts of 5~10 parts of epoxy emulsions (EP) of acrylic acid ester emulsion or styrene-acrylic emulsion
10~20 parts of pentaerythrite, 15~25 parts of melamine
10~15 parts of ammonium polyphosphate, 5~10 parts of nano-aluminum hydroxide
2~5 parts of nano-sized magnesium hydroxide, 5~10 parts of nano-titanium dioxide
1~5 part of ceramic hollow microballon, 1~5 part of hollow glass bead
0.2~0.4 part of hydrophobing agent, 0.05~0.1 part of defoaming agent
0.1~0.3 part of levelling agent.
Above-mentioned Organic-inorganic composite nano heat-insulating fireproof coating, it is characterised in that: the acrylic acid ester emulsion or
The mass concentration of styrene-acrylic emulsion is 53~55%.
Above-mentioned Organic-inorganic composite nano heat-insulating fireproof coating, it is characterised in that: the nano-aluminum hydroxide is grain
The microspheric nano-aluminum hydroxide of 30~40nm of diameter.
Above-mentioned Organic-inorganic composite nano heat-insulating fireproof coating, it is characterised in that: the nano-sized magnesium hydroxide is grain
The microspheric nano-sized magnesium hydroxide of 20~25nm of diameter.
Above-mentioned Organic-inorganic composite nano heat-insulating fireproof coating, it is characterised in that: the nano-titanium dioxide is grain
The rutile type nano titanic oxide of 15~60nm of diameter.
Above-mentioned Organic-inorganic composite nano heat-insulating fireproof coating, it is characterised in that: the ceramic hollow microballon is grain
The hollow beads that 10~100 μm of diameter.
Above-mentioned Organic-inorganic composite nano heat-insulating fireproof coating, it is characterised in that: the hollow glass bead is grain
The hollow beads that 50~150 μm of diameter.
Above-mentioned Organic-inorganic composite nano heat-insulating fireproof coating, it is characterised in that: the hydrophobing agent is fluorine-containing propene
Acid copolymer.
A kind of preparation method of Organic-inorganic composite nano heat-insulating fireproof coating, it is characterised in that: the following steps are included:
10~30 parts of acrylic acid ester emulsions or styrene-acrylic emulsion are weighed in one with dispersion cream by mass fraction at normal temperature
In the barrel of change, then it is separately added into 5~10 parts of aqueous epoxy emulsions and 0.05~0.1 part of defoaming agent sets dispersion machine blender
Revolving speed is that 500r/min stirs 8~10min；Then 10~20 parts of pentaerythrites, 15~25 parts are added in charging basket by metering again
Melamine, 10~15 parts of ammonium polyphosphate, 5~10 parts of nano-aluminum hydroxides, 2~5 parts of nano-sized magnesium hydroxides, 5~10 parts of nanometers
Titanium dioxide, 1~5 part of ceramic hollow microballon, 1~5 part of hollow glass bead, 0.2~0.4 part of hydrophobing agent, 0.1~0.3 part of stream
Flat agent sets agitator speed as 1500r/min~2000r/min and is again stirring for 15~50min, and Organic-inorganic composite is made
Nano heat-insulating insulation and fire-proof paint.
The present invention adds Ji Wusi using organic emulsions such as acrylic resin, styrene-acrylic resin, epoxy resin as film forming matter
The expansible fireproof agent of alcohol, melamine, ammonium polyphosphate composition, while the inorganic resistance of nano-aluminum hydroxide, nano-sized magnesium hydroxide is added
Agent, the reflective insulations filler such as nano-titanium dioxide, hollow ceramic microspheres, hollow glass micropearl are fired, and part of auxiliary is added, is prepared
Organic-inorganic compoiste nano modification heat-insulating, fire-preventing coating.Nano-aluminum hydroxide and magnesium hydroxide inorganic fire-retarded filler are to expansion
Type fireproof agent plays the role of cooperative flame retardant, can absorb a large amount of heat at burning initial stage, reduces a large amount of cigarettes when organic compound combustion
The generation of gas, while the foam after expansion can be made fine and close and uniform, it is not easily to fall off.Nano-titanium dioxide plays solar radiation
Good reflex reduces the accumulation of heat, and hollow ceramic microspheres, hollow glass micropearl have lower thermal coefficient,
It can play the role of heat-insulation and heat-preservation when application being added in coating.Hydrophobing agent contains the biggish C-F key of bond energy, in film surface layer richness
The surface energy of the lower film of collection energy, to improve the hydrophobicity of film.
It is compared with the prior art, the present invention has the advantage that
1, a small amount of aqueous ring is added on the basis of using acrylic acid ester emulsion or styrene-acrylic emulsion as base-material in the present invention
Oxygen resin emulsion can greatly improve fireproof coating to the adhesive force of the substrates such as cement wall surface, thermal insulation material, and can improve film
Anti-corrosion and waterproof performance, while when film meet fire expansion when, increase the hardness of foam, be effectively increased the anticreep of foam
Falling property.
2, present invention adds nano-aluminum hydroxides, nano-sized magnesium hydroxide, have both played the role of filler while being also excellent
Good inorganic fire retardants has biggish surface energy, contributes to form continuous, anti-oxidant inorganic matter according to its nano-meter characteristic
Protective layer is remarkably improved the oxygen index (OI) and high temperature oxidation resistance of coating, combines on the basis of organic expander type fire retardant
The synergistic effect of the Common advantages of inorganic fire retardants, the two improves the effect of fire protection flame retarding.
3, it joined nano-titanium dioxide in the present invention, shielding ultraviolet rays effect is strong, prevents the infringement of ultraviolet light, improves
The service life of coating.Meanwhile higher hardness, density, dielectric constant and refractive index, help to improve the covering power of coating
And tinting strength, tinting power, and have good reflex to the heat radiation in sunlight.
4, it is added to ceramic hollow microballon and hollow glass bead in the present invention, thermal conductivity is low, and heat preservation can be played to building
Heat-insulated effect, when play the role of heat source close to when can play heat-insulated, effectively raise the ignition temperature of film, extend painting
The fire resistance period of film, prevents fire from occurring rapidly.
5, hydrophobing agent can play hydrophobic and automatic cleaning action in coating, and good with coating system compatibility, and performance is steady
It is fixed.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.The specific embodiments described herein are merely illustrative of the present invention, is not used to limit this hair
It is bright.
Embodiment 1
The material that 10 parts of acrylic acid ester emulsions or styrene-acrylic emulsion have dispersion and emulsion in one is weighed by mass fraction under room temperature
In cylinder, then being separately added into 10 parts of aqueous epoxy emulsions and 0.05 part of defoaming agent for dispersion machine blender setting speed is 500r/min
Stir 8~10min；Then again by metering in barrel be added 10 parts of pentaerythrites, 25 parts of melamines, 15 parts of ammonium polyphosphate,
10 parts of nano-aluminum hydroxides, 4 parts of nano-sized magnesium hydroxides, 10 parts of nano-titanium dioxides, 5 parts of ceramic hollow microballons, 1 part of glass hollow
Microballon, 0.2 part of hydrophobing agent, 0.1 part of levelling agent, set agitator speed be again stirring for 15 as 1500r/min~2000r/min~
Organic-inorganic composite nano heat-insulating insulation and fire-proof paint is made in 50min.
Embodiment 2
The material that 15 parts of acrylic acid ester emulsions or styrene-acrylic emulsion have dispersion and emulsion in one is weighed by mass fraction under room temperature
In cylinder, then being separately added into 6 parts of aqueous epoxy emulsions and 0.05 part of defoaming agent for dispersion machine blender setting speed is 500r/min
Stir 8~10min；Then 14 parts of pentaerythrites, 25 parts of melamines, 13 parts of ammonium polyphosphate, 8 are added in barrel by metering again
Part nano-aluminum hydroxide, 3 parts of nano-sized magnesium hydroxides, 8 parts of nano-titanium dioxides, 3 parts of ceramic hollow microballons, 5 parts of glass hollows are micro-
Pearl, 0.2 part of hydrophobing agent, 0.1 part of levelling agent, set agitator speed be again stirring for 15 as 1500r/min~2000r/min~
Organic-inorganic composite nano heat-insulating insulation and fire-proof paint is made in 50min.
Embodiment 3
The material that 20 parts of acrylic acid ester emulsions or styrene-acrylic emulsion have dispersion and emulsion in one is weighed by mass fraction under room temperature
In cylinder, then being separately added into 8 parts of aqueous epoxy emulsions and 0.06 part of defoaming agent for dispersion machine blender setting speed is 500r/min
Stir 8~10min；Then 15 parts of pentaerythrites, 20 parts of melamines, 15 parts of ammonium polyphosphate, 7 are added in barrel by metering again
Part nano-aluminum hydroxide, 2 parts of nano-sized magnesium hydroxides, 6 parts of nano-titanium dioxides, 3 parts of ceramic hollow microballons, 4 parts of glass hollows are micro-
Pearl, 0.3 part of hydrophobing agent, 0.2 part of levelling agent, set agitator speed be again stirring for 15 as 1500r/min~2000r/min~
Organic-inorganic composite nano heat-insulating insulation and fire-proof paint is made in 50min.
Embodiment 4
The material that 25 parts of acrylic acid ester emulsions or styrene-acrylic emulsion have dispersion and emulsion in one is weighed by mass fraction under room temperature
In cylinder, then being separately added into 5 parts of aqueous epoxy emulsions and 0.08 part of defoaming agent for dispersion machine blender setting speed is 500r/min
Stir 8~10min；Then 20 parts of pentaerythrites, 19 parts of melamines, 12 parts of ammonium polyphosphate, 5 are added in barrel by metering again
Part nano-aluminum hydroxide, 2 parts of nano-sized magnesium hydroxides, 5 parts of nano-titanium dioxides, 4 parts of ceramic hollow microballons, 3 parts of glass hollows are micro-
Pearl, 0.4 part of hydrophobing agent, 0.2 part of levelling agent, set agitator speed be again stirring for 15 as 1500r/min~2000r/min~
Organic-inorganic composite nano heat-insulating insulation and fire-proof paint is made in 50min.
Embodiment 5
The material that 30 parts of acrylic acid ester emulsions or styrene-acrylic emulsion have dispersion and emulsion in one is weighed by mass fraction under room temperature
In cylinder, then it is separately added into 5 parts of aqueous epoxy emulsions and 0.1 part of defoaming agent and stirs dispersion machine blender setting speed for 500r/min
Mix 8~10min；Then 20 parts of pentaerythrites, 15 parts of melamines, 10 parts of ammonium polyphosphate, 7 parts are added in barrel by metering again
Nano-aluminum hydroxide, 5 parts of nano-sized magnesium hydroxides, 5 parts of nano-titanium dioxides, 1 part of ceramic hollow microballon, 2 parts of hollow glass beads,
0.4 part of hydrophobing agent, 0.3 part of levelling agent, set agitator speed be again stirring for 15 as 1500r/min~2000r/min~
Organic-inorganic composite nano heat-insulating insulation and fire-proof paint is made in 50min.
Claims (9)
1. a kind of Organic-inorganic composite nano heat-insulating fireproof coating, it is characterised in that: the raw material including following weight proportion:
10~30 parts of acrylic acid ester emulsion, 5~10 parts of epoxy emulsion
10~20 parts of pentaerythrite, 15~25 parts of melamine
10~15 parts of ammonium polyphosphate, 5~10 parts of nano-aluminum hydroxide
2~5 parts of nano-sized magnesium hydroxide, 5~10 parts of nano-titanium dioxide
1~5 part of ceramic hollow microballon, 1~5 part of hollow glass bead
0.2~0.4 part of hydrophobing agent, 0.05~0.1 part of defoaming agent
0.1~0.3 part of levelling agent.
2. Organic-inorganic composite nano heat-insulating fireproof coating according to claim 1, it is characterised in that: the propylene
The mass concentration of acid esters lotion is 53~55%.
3. Organic-inorganic composite nano heat-insulating fireproof coating according to claim 1, it is characterised in that: the nanometer
Aluminium hydroxide is the microspheric nano-aluminum hydroxide of 30~40nm of partial size.
4. Organic-inorganic composite nano heat-insulating fireproof coating according to claim 1, it is characterised in that: the nanometer
Magnesium hydroxide is the microspheric nano-sized magnesium hydroxide of 20~25nm of partial size.
5. Organic-inorganic composite nano heat-insulating fireproof coating according to claim 1, it is characterised in that: the nanometer
Titanium dioxide is the rutile type nano titanic oxide of 15~60nm of partial size.
6. Organic-inorganic composite nano heat-insulating fireproof coating according to claim 1, it is characterised in that: the ceramics
The hollow beads that cenosphere is 10~100 μm of partial size.
7. Organic-inorganic composite nano heat-insulating fireproof coating according to claim 1, it is characterised in that: the glass
The hollow beads that cenosphere is 50~150 μm of partial size.
8. Organic-inorganic composite nano heat-insulating fireproof coating according to claim 1, it is characterised in that: described is hydrophobic
Agent is fluorine-containing propene acid copolymer.
9. the method for preparing Organic-inorganic composite nano heat-insulating fireproof coating as described in claim 1, it is characterised in that: packet
Include following steps:
10~30 parts of acrylic acid ester emulsions are weighed in a barrel with dispersion and emulsion by mass fraction at normal temperature, then are distinguished
5~10 parts of aqueous epoxy emulsions and 0.05~0.1 part of defoaming agent is added, dispersion machine blender setting speed is stirred for 500r/min
Mix 8~10min；Then 10~20 parts of pentaerythrites, 15~25 parts of melamines, 10~15 parts are added in charging basket by metering again
Ammonium polyphosphate, 5~10 parts of nano-aluminum hydroxides, 2~5 parts of nano-sized magnesium hydroxides, 5~10 parts of nano-titanium dioxides, 1~5 part of pottery
Porcelain cenosphere, 1~5 part of hollow glass bead, 0.2~0.4 part of hydrophobing agent, 0.1~0.3 part of levelling agent, setting blender turn
Speed is that 1500r/min~2000r/min is again stirring for 15~50min, and Organic-inorganic composite nano heat-insulating fireproof coating is made.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110511652A (en) * | 2019-09-30 | 2019-11-29 | 梁兵 | A kind of water paint and preparation method thereof |
| CN111073437A (en) * | 2020-01-02 | 2020-04-28 | 孙夏芬 | Composite hollow microsphere modified waterborne acrylic acid heat-insulating coating and preparation method thereof |
| CN111961375A (en) * | 2020-08-26 | 2020-11-20 | 澳达树熊涂料(惠州)有限公司 | Composite steel structure fireproof coating and preparation method thereof |
| CN114316639A (en) * | 2021-12-29 | 2022-04-12 | 厦门明福友连新材料有限公司 | Water-based nano ultra-thin steel structure fireproof coating and preparation method and application thereof |
| WO2022077369A1 (en) * | 2020-10-15 | 2022-04-21 | 深圳市艾比森光电股份有限公司 | Fireproof coating and led display screen with fireproof coating |
| CN114395323A (en) * | 2022-02-21 | 2022-04-26 | 广东粤港澳大湾区国家纳米科技创新研究院 | High-temperature-resistant fireproof heat-insulating coating and preparation method thereof |
| CN114716946A (en) * | 2022-01-25 | 2022-07-08 | 山东佰晟金属科技有限公司 | Thermal insulation primer composition, preparation method and application |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110511652A (en) * | 2019-09-30 | 2019-11-29 | 梁兵 | A kind of water paint and preparation method thereof |
| CN111073437A (en) * | 2020-01-02 | 2020-04-28 | 孙夏芬 | Composite hollow microsphere modified waterborne acrylic acid heat-insulating coating and preparation method thereof |
| CN111961375A (en) * | 2020-08-26 | 2020-11-20 | 澳达树熊涂料(惠州)有限公司 | Composite steel structure fireproof coating and preparation method thereof |
| WO2022077369A1 (en) * | 2020-10-15 | 2022-04-21 | 深圳市艾比森光电股份有限公司 | Fireproof coating and led display screen with fireproof coating |
| CN114316639A (en) * | 2021-12-29 | 2022-04-12 | 厦门明福友连新材料有限公司 | Water-based nano ultra-thin steel structure fireproof coating and preparation method and application thereof |
| CN114716946A (en) * | 2022-01-25 | 2022-07-08 | 山东佰晟金属科技有限公司 | Thermal insulation primer composition, preparation method and application |
| CN114716946B (en) * | 2022-01-25 | 2025-06-27 | 山东佰晟金属科技有限公司 | Thermal insulation primer composition, preparation method and application |
| CN114395323A (en) * | 2022-02-21 | 2022-04-26 | 广东粤港澳大湾区国家纳米科技创新研究院 | High-temperature-resistant fireproof heat-insulating coating and preparation method thereof |
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