CN107903672A - Flame retardant type hybridized polymer coating and preparation method thereof - Google Patents
Flame retardant type hybridized polymer coating and preparation method thereof Download PDFInfo
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- CN107903672A CN107903672A CN201711247821.5A CN201711247821A CN107903672A CN 107903672 A CN107903672 A CN 107903672A CN 201711247821 A CN201711247821 A CN 201711247821A CN 107903672 A CN107903672 A CN 107903672A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
Abstract
The present invention provides a kind of flame retardant type hybridized polymer coating and preparation method thereof, is related to Material Field.Flame retardant type hybridized polymer coating includes priming coat, structure sheaf and the finishing coat for being layed in the surface of base material successively.The raw material of priming coat includes：Curing agent, and the silicate nanometer composite material of organic and inorganic hydridization.The raw material of structure sheaf includes：Curing agent, fire retardant, the silicate nanometer composite material of organic and inorganic hydridization, and filler.The raw material of finishing coat includes：Curing agent, and the silicate nanometer composite material of organic and inorganic hydridization, have preferable antiseptic property and anti-flammability, effectively reduce the generation of fire.The preparation method of above-mentioned flame retardant type hybridized polymer coating, it is easy to operate, effectively improve the performance coated with flame retardant type hybridized polymer coating.
Description
Technical field
The present invention relates to Material Field, and more particularly to a kind of flame retardant type hybridized polymer coating and preparation method thereof.
Background technology
In recent years, caused huge on the power plant absorption tower built or built there is a phenomenon where fire occurs repeatedly
Economic loss and security risk.Inherently see, be that the material used because of scene does not have anti-flammability to cause, once overdo not
There is self-extinguishment, cause the quick ignition of material, huge economic loss is brought to owner.
The content of the invention
It is an object of the invention to provide a kind of flame retardant type hybridized polymer coating, its with preferable antiseptic property and
Anti-flammability, effectively reduces the generation of fire.
Another object of the present invention is to provide a kind of preparation method of flame retardant type hybridized polymer coating, its is easy to operate
It is convenient, it can be achieved that industrialized production, the performance of flame retardant type hybridized polymer coating can be effectively improved.
The present invention is solved its technical problem and is realized using following technical scheme.
The present invention proposes a kind of flame retardant type hybridized polymer coating, and suitable for being arranged at the surface of base material, it includes spreading successively
Priming coat, structure sheaf and finishing coat arranged on the surface of base material.
Wherein, the raw material of priming coat includes：The curing agent of 2-5 parts by weight, and 10-15 parts by weight are organic and inorganic miscellaneous
The silicate nanometer composite material of change.
The raw material of structure sheaf includes：The curing agent of 3-7 parts by weight, the fire retardant of 1-5 parts by weight, 15-20 parts by weight are organic,
The silicate nanometer composite material of inorganic hybridization, and the filler of 7-9 parts by weight.
The raw material of finishing coat includes：The curing agent of 2-5 parts by weight, and the silicon of the organic and inorganic hydridization of 10-15 parts by weight
Silicate nanometer composite material.
The present invention proposes a kind of preparation method of above-mentioned flame retardant type hybridized polymer coating, it includes：
Coat to form priming coat in the surface of base material.
Spray to form structure sheaf in the side on surface of the priming coat away from base material.
Spray to form finishing coat in the side on surface of the structure sheaf away from base material.
The beneficial effect of the embodiment of the present invention is：
The setting of three layers of priming coat, structure sheaf and finishing coat first, makes its anti-corrosion and fire resistance repeatedly coordinate effect
Fruit is good, while effectively avoids antiseptic fire-retardation poor performance only caused by breakage caused by one layer.Effectively avoid because actually applying at the same time
In work, by crossed construction, fire caused by the anti-corrosion material burning directly resulted in.
Secondly, the specific raw material reasonable selection and rational proportion of each layer are passed through so that flame retardant type hybridized polymer applies
Layer has preferable anti-corrosive properties and anti-flammability.By the preparation method, it can be achieved that industrialized production, can effectively improve flame retardant type
The performance of hybridized polymer coating.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer, is the conventional production that can be obtained by commercially available purchase
Product.
Flame retardant type hybridized polymer coating of the embodiment of the present invention and preparation method thereof is specifically described below.
The present invention provides a kind of flame retardant type hybridized polymer coating, and suitable for being arranged at the surface of base material, flame retardant type hydridization is gathered
Compound coating includes priming coat, structure sheaf and the finishing coat for being layed in the surface of base material successively.
Three layers of setting, makes its anti-corrosion and the multiple fiting effect of fire resistance good, while effectively avoids only one layer from making
Into breakage caused by antiseptic fire-retardation poor performance.Effectively avoid at the same time because in practice of construction, by crossed construction, what is directly resulted in is anti-
Fire caused by rotten material combustion.The surface of base material is such as inner wall of stack, absorption inner wall of tower or gap at needs coating.
Wherein, the raw material of priming coat includes：The curing agent of 2-5 parts by weight, and 10-15 parts by weight are organic and inorganic miscellaneous
The silicate nanometer composite material of change.
Preferably, the raw material of priming coat includes：The curing agent of 2-4 parts by weight, and 11-14 parts by weight are organic and inorganic
The silicate nanometer composite material of hydridization.
It is highly preferred that the raw material of priming coat includes：The curing agent of 3-4 parts by weight, and organic, the nothing of 12-14 parts by weight
The silicate nanometer composite material of machine hydridization.
Wherein, since priming coat is used for the surface with base material, such as inner wall of stack, the absorption connection such as inner wall of tower or gap,
Therefore, on the one hand aforementioned proportion can effectively improve the cementability of priming coat, make the surface of its base material being firmly bonded, another
Aspect, effectively improves the toughness and mobility of the silicate nanometer composite material of organic and inorganic hydridization, at the same also make it is organic,
The silicate nanometer composite material of inorganic hybridization is easy to be arranged at the surface of base material.But the silicate of organic and inorganic hydridization is received
The mobility of nano composite material is good, is not easy to cure on the surface coated on base material, and target is unable to reach after causing coating, because
This is added with curing agent.Curing agent addition at the same time is excessive, and it is too fast to easily cause curing rate, causes priming coat to crack, curing agent compared with
It is few, target is unable to reach, therefore preferably under above range, the silicate nano of curing agent and organic and inorganic hydridization
Composite material coordinates most preferably, and curing rate is suitable.
Preferably, curing agent herein is inorganic silicic acid salting liquid, effectively facilitates the silicate nano of organic and inorganic hydridization
Composite material cures, while effectively improves anti-flammability.
In preferred embodiments of the present invention, the silicate nanometer composite material of organic and inorganic hydridization is made by the following manner：
Isocyanates is modified through trimerization, silicate solutions are slowly added in the modified isocyanate of melting, magnetic force
Stirring, dries 1-1.5h in 80-90 DEG C of vacuum, is cooled to room temperature.Wherein, isocyanates is modified through trimerization and can refer to existing skill
Art, does not limit herein.Wherein, silicate is the silicate with layer structure.By the way that silicate solutions are slowly added to melt
The modified isocyanate melted, dries 1-1.5h in 80-90 DEG C of vacuum, is cooled to room temperature, and on the one hand effectively facilitates catalyzed by silicate rush
Into the polymerization of isocyanates, assembly effect is effectively improved, on the other hand promotes the surface of modified isocyanate modified Portland, makes
There is preferable interface interaction between silicate and modified isocyanate, meanwhile, occur between silicate and modified isocyanate
Crosslinked action, Covalent bonding together, forms tridimensional network.
The silicate nanometer composite material of the organic and inorganic hydridization obtained by the above method have excellent anti-flammability and
Anti-corrosive properties, crosslink effect, Covalent bonding together, forms tridimensional network, first between silicate and modified isocyanate
The tridimensional network has preferable anti-corrosive properties, and secondly, the silicate lamella of stratiform can play fire-retardant work in polymeric inner
With flammable small molecule the oozing to material internal for slowing down and hindering polymer molecule chain degradation in combustion and producing
Thoroughly so that be difficult to fully carry out in the oxidation reaction of combustion boundary, so as to play tissue burning, the result of this effect makes
The burning of material internal can not be carried out fully, and exothermic maximum amount is also reduced.
The strand of polymer of the nano-space between each lamella of carbonate of stratiform to being inserted has strong at the same time
Strong restriction effect, it is assumed that nano-space of the two or more pieces strand also cross the silicate of a certain stratiform, then its is right
The polymer such as polyisocyanate are acted on obvious physical crosslinking so that even if flame retardant type hybridized polymer coating is burning
When, preferable original shape can be also kept, effectively improves the anti-flammability of flame retardant type hybridized polymer coating.
Meanwhile curing agent accelerates the cross-linking reaction of the silicate nanometer composite material of organic and inorganic hydridization, makes it according to reality
Border demand cures at the appropriate speed.
It should be noted that in the present invention, the silicate nanometer composite material of organic and inorganic hydridization is above-mentioned preparation side
The silicate nanometer composite material of organic and inorganic hydridization made from method.
In preferred embodiments of the present invention, the additive amount of silicate accounts for the 3-5wt% of the additive amount of modified isocyanate.On
In the range of stating, crosslinked density is effectively improved, reduces brittleness.
In preferred embodiments of the present invention, preferably the granularity of silicate is 30-200nm, effectively reduces its pair because of particle diameter
In the limitation of the segment of isocyanates, crosslinked density is effectively improved.
The raw material of structure sheaf includes：The curing agent of 3-7 parts by weight, the fire retardant of 1-5 parts by weight, 15-20 parts by weight are organic,
The silicate nanometer composite material of inorganic hybridization, and the filler of 9-10 parts by weight.
Structure sheaf is mainly used for further improving fire resistance.The raw material of structure sheaf includes：The curing agent of 3-7 parts by weight,
Fire retardant, the silicate nanometer composite material of the organic and inorganic hydridization of 15-20 parts by weight of 1-5 parts by weight, and 7-9 parts by weight
Filler.
Preferably, the raw material of structure sheaf includes：The curing agent of 4-7 parts by weight, fire retardant, the 16- of 1.5-4.5 parts by weight
The silicate nanometer composite material of the organic and inorganic hydridization of 19.5 parts by weight, and the filler of 7.1-8.5 parts by weight.
It is highly preferred that the raw material of structure sheaf includes：The curing agent of 4.5-6.5 parts by weight, 1.7-4.3 parts by weight it is fire-retardant
Agent, the silicate nanometer composite material of the organic and inorganic hydridization of 16.5-18.5 parts by weight, and the filler of 7.5-8 parts by weight.
In preferred embodiments of the present invention, fire retardant is followed successively by 3-8 including weight ratio：2-3：The nano-zinc borate of 1-2, receive
Rice aluminium hydroxide and nano expanded graphite.Wherein, the addition of zinc borate, aluminium hydroxide and expanded graphite effectively further carries
The anti-flammability of high structure sheaf.Meanwhile the selection of nano-zinc borate, nano-aluminum hydroxide and nano expanded graphite, it is easily scattered
In the tridimensional network of the silicate nanometer composite material of organic and inorganic hydridization, make flame retardant effect more preferably, meanwhile, structure
The silicate nanometer composite material of the identical organic and inorganic hydridization of layer choosing, makes its answering between priming coat and finishing coat
Power is smaller, while adhesive effect is more preferably.
Filler is preferably barium sulfate powder, is specially barium sulfate powder made from the precipitation method, it is indefiniteness white powder
Or paste, physical property is superior, nonmagnetic, and fineness is uniform, and chemical property is stablized.Not only improve structure sheaf corrosion resistance and
Intensity.The service life of wearing layer is also effectively improved at the same time.At the same time barium sulfate powder made from the precipitation method be easily scattered in it is organic,
In the tridimensional network of the silicate nanometer composite material of inorganic hybridization, while whole flame retardant type hybridized polymer can be reduced and applied
The coefficient of expansion and curing shrinkage rate of layer, further improve the cementability of flame retardant type hybridized polymer coating and base material, prevent
Crack and the generation of peeling phenomenon.
The raw material of finishing coat includes：The curing agent of 2-5 parts by weight, and the silicon of the organic and inorganic hydridization of 10-15 parts by weight
Silicate nanometer composite material.
Preferably, the raw material of finishing coat includes：And the silicate nano of the organic and inorganic hydridization of 11-14 parts by weight is answered
Condensation material.
It is highly preferred that the raw material of finishing coat includes：And the silicate nano of the organic and inorganic hydridization of 12-13 parts by weight
Composite material, its adhesive effect with preferable wearability and between structure sheaf are good.
In preferred embodiments of the present invention, the thickness of priming coat is at least 0.25mm, it is preferable that the thickness of structure sheaf is extremely
Few 5mm, it is preferable that the thickness of finishing coat is at least 0.25mm, it is highly preferred that the thickness of structure sheaf is more than the thickness of priming coat,
The thickness of structure sheaf is more than the thickness of finishing coat.By the difference of the thickness of priming coat, structure sheaf and finishing coat, coordinate every layer
Specific component difference, effectively improve the corrosion resistance and flame retardant type of final flame retardant type hybridized polymer coating.
The preparation method of above-mentioned flame retardant type hybridized polymer coating, it includes：
S1. coat to form priming coat in the surface of base material.
For example, curing agent, and the silicate nanometer composite material of organic and inorganic hydridization are mixed in proportion, it is coated on
The surface of base material, it is dry, form priming coat.Wherein, coating procedure can use micro computer control, it is accurately given birth to
Production, can also by hand carry out, not limit herein.
Wherein, in preferred embodiments of the present invention, dry is after 40-50 DEG C is dried 2-5min, is dried in the air naturally in 10-30 DEG C
It is dry.Effectively facilitate the hardening of priming coat, while 40-50 DEG C of baking 2-10min, effectively improve firm bonding with base material of priming coat
Property.
S2. spray to form structure sheaf in the side on surface of the priming coat away from base material.
For example, fire retardant, the silicate nanometer composite material of organic and inorganic hydridization, and filler are mixed in proportion, spray
The side on surface of the priming coat away from base material is applied to, it is dry, form structure sheaf.
Preferably, during the raw material mixing of structure sheaf, first by after filler, fire retardant ultrasonic mixing, then at 50-60 DEG C with having
Machine, the silicate nanometer composite material of inorganic hybridization are stirred.Filler, fire retardant are sufficiently mixed, while further makes two
Person mixes with the silicate nanometer composite material of more organic and inorganic hydridization, while avoids having caused by direct ultrasonic mixing three
Machine, the three-dimensional structure of silicate nanometer composite material of inorganic hybridization are destroyed.
S3. spray to form finishing coat in the side on surface of the structure sheaf away from base material.
For example, curing agent and the silicate nanometer composite material of organic and inorganic hydridization are mixed in proportion, it is sprayed at
The side on surface of the structure sheaf away from base material, it is dry, form finishing coat.
Specifically, during the raw material mixing of finishing coat, first by the silicate nanometer composite material of organic and inorganic hydridization in 60
DEG C -80 DEG C, after keeping the temperature 0.4-0.6h, then mix with curing agent.By the silicate nanometer composite material for making organic and inorganic hydridization
First keep the temperature, then mixed with curing agent, reaction efficiency can be effectively improved.
It should be noted that since curing agent promotes the hardening of flame retardant type hybridized polymer coating, it is unrestrained in order to prevent
Take raw material, other raw materials can first be coordinated in proportion, curing agent individually exists in proportion, when needing to use by other raw materials again
Mixed with curing agent.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of flame retardant type hybridized polymer coating, it is made by following methods：
The silicate nanometer composite material of the organic and inorganic hydridization of 14 parts by weight and the stirring of the curing agent of 4 parts by weight is mixed
Close, the surface coated on base material, it is dry, form the priming coat that thickness is 0.25mm.
First by the filler of 7 parts by weight, after the fire retardant ultrasonic mixing of 3 parts by weight, then at 52 DEG C with 17 parts by weight it is organic,
The silicate nanometer composite material of inorganic hybridization, and the curing agent of 6 parts by weight are stirred, and are sprayed at priming coat away from base material
Surface side, it is dry, forms structure sheaf of the thickness for 5mm.
First by the silicate nanometer composite material of the organic and inorganic hydridization of 15 parts by weight after 60 DEG C keep the temperature 0.4h, then with 4
After the curing agent mixing of parts by weight, the side on surface of the structure sheaf away from base material is sprayed at, dry, it is 0.25mm's to form thickness
Finishing coat.
Wherein, the silicate nanometer composite material of organic and inorganic hydridization is made by the following manner：
Isocyanates is modified through trimerization, silicate solutions are slowly added in the modified isocyanate of melting, magnetic force
Stirring, dries 1.2h in 83 DEG C of vacuum, is cooled to room temperature.The additive amount of silicate accounts for the additive amount of modified isocyanate
3.5wt%.
Fire retardant is followed successively by 6 including weight ratio：2：1.5 nano-zinc borate, nano-aluminum hydroxide and nanometer expansion stone
Ink.
Embodiment 2
A kind of flame retardant type hybridized polymer coating, it is made by following methods：
The silicate nanometer composite material of the organic and inorganic hydridization of 10 parts by weight and the stirring of the curing agent of 2 parts by weight is mixed
Close, the surface coated on base material, it is dry, form the priming coat that thickness is 0.3mm.
First by the filler of 8 parts by weight, after the fire retardant ultrasonic mixing of 4 parts by weight, then at 55 DEG C with 20 parts by weight it is organic,
The silicate nanometer composite material of inorganic hybridization, and the curing agent of 6.5 parts by weight are stirred, and are sprayed at priming coat away from base
The side on the surface of material, it is dry, form the structure sheaf that thickness is 6mm；
First by the silicate nanometer composite material of the organic and inorganic hydridization of 12 parts by weight after 75 DEG C keep the temperature 0.5h, then with 4
After the curing agent mixing of parts by weight, the side on surface of the structure sheaf away from base material is sprayed at, dry, it is 0.25mm's to form thickness
Finishing coat.
Wherein, the silicate nanometer composite material of organic and inorganic hydridization is made by the following manner：
Isocyanates is modified through trimerization, silicate solutions are slowly added in the modified isocyanate of melting, magnetic force
Stirring, dries 1h in 80 DEG C of vacuum, is cooled to room temperature.The additive amount of silicate accounts for the 5wt% of the additive amount of modified isocyanate.
Fire retardant is nano-zinc borate.
Embodiment 3
A kind of flame retardant type hybridized polymer coating, it is made by following methods：
By the silicate nanometer composite material of the organic and inorganic hydridization of 15 parts by weight in 60 DEG C keep the temperature 0.5h after, then with 4 weights
The curing agent of amount part is stirred, and the surface coated on base material is dry, forms the priming coat that thickness is 0.4mm.
First by the filler of 7 parts by weight, after the fire retardant ultrasonic mixing of 1 parts by weight, then at 55 DEG C with 19 parts by weight it is organic,
The silicate nanometer composite material of inorganic hybridization, and the curing agent of 6 parts by weight are stirred, and are sprayed at priming coat away from base material
Surface side, it is dry, forms structure sheaf of the thickness for 8mm.
First by the silicate nanometer composite material of the organic and inorganic hydridization of 13 parts by weight after 80 DEG C keep the temperature 0.6h, then with 4
After the curing agent mixing of parts by weight, the side on surface of the structure sheaf away from base material is sprayed at, dry, it is 0.35mm's to form thickness
Finishing coat.
Wherein, the silicate nanometer composite material of organic and inorganic hydridization is made by the following manner：
Isocyanates is modified through trimerization, silicate solutions are slowly added in the modified isocyanate of melting, magnetic force
Stirring, dries 1h in 80 DEG C of vacuum, is cooled to room temperature.The additive amount of silicate accounts for the 4wt% of the additive amount of modified isocyanate.
Fire retardant is followed successively by 7 including weight ratio：2.5：1 nano-zinc borate, nano-aluminum hydroxide and nanometer expansion stone
Ink.
Embodiment 4
A kind of flame retardant type hybridized polymer coating, it is made by following methods：
The silicate nanometer composite material of the organic and inorganic hydridization of 10 parts by weight and the stirring of the curing agent of 2 parts by weight is mixed
Close, the surface coated on base material, it is dry, form the priming coat that thickness is 0.25mm.
First by the filler of 9 parts by weight, after the fire retardant ultrasonic mixing of 3.5 parts by weight, have then at 50 DEG C with 15 parts by weight
The silicate nanometer composite material of machine, inorganic hybridization, and the curing agent of 6 parts by weight are stirred, and it is remote to be sprayed at priming coat
The side on the surface of base material, it is dry, form the structure sheaf that thickness is 7mm.
First by the silicate nanometer composite material of the organic and inorganic hydridization of 14 parts by weight after 68 DEG C keep the temperature 0.45h, then with
After the curing agent mixing of 3 parts by weight, the side on surface of the structure sheaf away from base material is sprayed at, dry, it is 0.3mm's to form thickness
Finishing coat.
Wherein, the silicate nanometer composite material of organic and inorganic hydridization is made by the following manner：
Isocyanates is modified through trimerization, silicate solutions are slowly added in the modified isocyanate of melting, magnetic force
Stirring, dries 1.2h in 85 DEG C of vacuum, is cooled to room temperature.The additive amount of silicate accounts for the additive amount of modified isocyanate
3.5wt%.
Fire retardant is followed successively by 6 including weight ratio：2.5：1.5 nano-zinc borate, nano-aluminum hydroxide and nanometer expansion
Graphite.
Embodiment 5
A kind of flame retardant type hybridized polymer coating, it is made by following methods：
The silicate nanometer composite material of the organic and inorganic hydridization of 13 parts by weight and the curing agent of 3.5 parts by weight are stirred
Mixing, the surface coated on base material is dry, forms the priming coat that thickness is 1mm.
First by the filler of 8 parts by weight, after the fire retardant ultrasonic mixing of 3.5 parts by weight, have then at 56 DEG C with 18 parts by weight
The silicate nanometer composite material of machine, inorganic hybridization, and the curing agent of 4.5 parts by weight are stirred, and it is remote to be sprayed at priming coat
It is dry from the side on the surface of base material, form the structure sheaf that thickness is 5mm.
First by the silicate nanometer composite material of the organic and inorganic hydridization of 14 parts by weight after 65 DEG C keep the temperature 0.4h, then with
After the curing agent mixing of 3.5 parts by weight, the side on surface of the structure sheaf away from base material is sprayed at, dry, it is 0.5mm to form thickness
Finishing coat.
Wherein, the silicate nanometer composite material of organic and inorganic hydridization is made by the following manner：
Isocyanates is modified through trimerization, silicate solutions are slowly added in the modified isocyanate of melting, magnetic force
Stirring, dries 1h in 83 DEG C of vacuum, is cooled to room temperature.The additive amount of silicate accounts for the 4.5wt% of the additive amount of modified isocyanate.
Fire retardant is followed successively by 6 including weight ratio：2：1.5 nano-zinc borate, nano-aluminum hydroxide and nanometer expansion stone
Ink.
Test example 1
Embodiment 1 is repeated, prepares flame retardant type hybridized polymer coating, is placed in 12 months in same environment and carries out chemically-resistant
The room temperature test of product, criterion are：Tested through 12 months room temperature, the surface of flame retardant type hybridized polymer coating do not blister,
Phenomena such as corrugation, cracking and peeling, the results are shown in Table 1.
1 chemical resistance of table
It should be noted that in table 1 ,+represent good chemical resistance ,-represent poor chemical resistance.By table 1
Flame retardant type hybridized polymer coating made from embodiment 1, which can be obtained, has preferable chemical resistance, and has preferable anticorrosion
Property.Repeat embodiment 2-5 and do above-mentioned experiment, be respectively provided with preferable corrosion resistance.
Test example 2
Embodiment 1-5 is repeated, enough flame retardant type hybridized polymer coatings are made, respectively according to national standard GB/T8924-
2005 test oxygen index (OI) contents.The results are shown in Table 2.
2 test result of table
| Numbering | Oxygen index (OI) content % |
| Embodiment 1 | ≥30 |
| Embodiment 2 | ≥29 |
| Embodiment 3 | ≥30 |
| Embodiment 4 | ≥30 |
| Embodiment 5 | ≥30 |
It can be obtained according to table 2, embodiment 1-5 oxygen index (OI)s content provided by the invention is more than 29.Since oxygen index (OI) ＜ 22 belongs to
Combustible material, oxygen index (OI) belong to combustible material between 22-27, and oxygen index (OI) ＞ 27 belongs to nonflammable material.Therefore resistance provided by the invention
Combustion type hybridized polymer coating has preferable anti-flammability.Wherein, the oxygen index (OI) content of embodiment 2 is relatively low, and reason may be not
Using fire retardant provided by the invention, only with nano-zinc borate.
To sum up, the flame retardant type hybridized polymer coating of the offer of the embodiment of the present invention, its with preferable antiseptic property with
And anti-flammability, effectively reduce the generation of fire.The preparation method of above-mentioned flame retardant type hybridized polymer coating, its is easy to operate just
It is prompt, it can be achieved that industrialized production, the performance of flame retardant type hybridized polymer coating can be effectively improved.
Embodiments described above is part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
- A kind of 1. flame retardant type hybridized polymer coating, suitable for being arranged at the surface of base material, it is characterised in that the flame retardant type hydridization Polymer coating includes priming coat, structure sheaf and the finishing coat for being layed in the surface of the base material successively；Wherein, the raw material of the priming coat includes：The curing agent of 2-5 parts by weight, and 10-15 parts by weight are organic and inorganic miscellaneous The silicate nanometer composite material of change；The raw material of the structure sheaf includes：The curing agent of 3-7 parts by weight, the fire retardant of 1-5 parts by weight, 15-20 parts by weight are organic, The silicate nanometer composite material of inorganic hybridization, and the filler of 7-9 parts by weight；The raw material of the finishing coat includes：The curing agent of 2-5 parts by weight, and the silicon of the organic and inorganic hydridization of 10-15 parts by weight Silicate nanometer composite material.
- 2. flame retardant type hybridized polymer coating according to claim 1, it is characterised in that the organic and inorganic hydridization Silicate nanometer composite material is made by the following manner：Isocyanates is modified through trimerization, silicate solutions are slowly added in the modified isocyanate of melting, magnetic agitation, 1-1.5h is dried in 80-90 DEG C of vacuum, is cooled to room temperature.
- 3. flame retardant type hybridized polymer coating according to claim 2, it is characterised in that the additive amount of the silicate accounts for The 3-5wt% of the additive amount of the modified isocyanate.
- 4. flame retardant type hybridized polymer coating according to claim 1, it is characterised in that the curing agent is inorganic silicic acid Salting liquid.
- 5. flame retardant type hybridized polymer coating according to claim 1, it is characterised in that the fire retardant includes weight ratio It is followed successively by 3-8：2-3：Nano-zinc borate, nano-aluminum hydroxide and the nano expanded graphite of 1-2.
- 6. flame retardant type hybridized polymer coating according to claim 1, it is characterised in that the thickness of the priming coat is extremely Few 0.25mm, it is preferable that the thickness of the structure sheaf is at least 5mm, it is preferable that the thickness of the finishing coat is at least 0.25mm, it is highly preferred that the thickness of the structure sheaf is more than the thickness of the priming coat, the thickness of the structure sheaf is more than described The thickness of finishing coat.
- A kind of 7. preparation method of flame retardant type hybridized polymer coating as claimed in claim 1, it is characterised in that including：Coat to form the priming coat in the surface of the base material；Spray to form the structure sheaf in the side on surface of the priming coat away from the base material；Spray to form the finishing coat in the side on surface of the structure sheaf away from the base material.
- 8. the preparation method of flame retardant type hybridized polymer coating according to claim 7, it is characterised in that the finishing coat The raw material mixing when, first by the silicate nanometer composite material of the organic and inorganic hydridization in 60 DEG C -80 DEG C insulation 0.4- After 0.6h, then mix with the curing agent.
- 9. the preparation method of flame retardant type hybridized polymer coating according to claim 7, it is characterised in that dry 40-50 DEG C dry 2-5min after, in 10-30 DEG C of naturally dry.
- 10. the preparation method of flame retardant type hybridized polymer coating according to claim 7, it is characterised in that the structure During the raw material mixing of layer, first by after the filler, the fire retardant ultrasonic mixing, then at 50-60 DEG C and the organic, nothing The silicate nanometer composite material of machine hydridization, the curing agent are stirred.
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| CN1995246A (en) * | 2006-12-23 | 2007-07-11 | 姚惠渥 | Environment-friendly composite fire-proof paint |
| CN102492323A (en) * | 2011-11-30 | 2012-06-13 | 精碳伟业（北京）科技有限公司 | Ultra-thin steel structure fire-resistant coating material with multi-core structure |
| EP2957605A1 (en) * | 2014-06-18 | 2015-12-23 | HILTI Aktiengesellschaft | Fire-resistant compound and its utilisation |
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2017
- 2017-12-01 CN CN201711247821.5A patent/CN107903672B/en not_active Expired - Fee Related
Patent Citations (3)
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|---|---|---|---|---|
| CN1995246A (en) * | 2006-12-23 | 2007-07-11 | 姚惠渥 | Environment-friendly composite fire-proof paint |
| CN102492323A (en) * | 2011-11-30 | 2012-06-13 | 精碳伟业（北京）科技有限公司 | Ultra-thin steel structure fire-resistant coating material with multi-core structure |
| EP2957605A1 (en) * | 2014-06-18 | 2015-12-23 | HILTI Aktiengesellschaft | Fire-resistant compound and its utilisation |
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| 益小苏: "《航空复合材料科学与技术》", 31 January 2013, 航空工业出版社 * |
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