CN107057479A - A kind of aquosity heat insulating heat preserving fire proofing material and preparation method thereof - Google Patents
A kind of aquosity heat insulating heat preserving fire proofing material and preparation method thereof Download PDFInfo
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- CN107057479A CN107057479A CN201710017719.XA CN201710017719A CN107057479A CN 107057479 A CN107057479 A CN 107057479A CN 201710017719 A CN201710017719 A CN 201710017719A CN 107057479 A CN107057479 A CN 107057479A
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- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
It is as follows according to its component of percentage by weight and content difference the invention discloses a kind of aquosity heat insulating heat preserving fireproof coating：The nano silica powder of structure-controllable is with superhigh specific surface area nano silicon oxide biscuit according to 0.5:1~5:1 compound nano oxidized silicon composite 8~20%, glass microballoon 3~15%, nano-titanium oxide is 4~10%, potassium hexatitanate 1~8%, Titanium pyrophosphate 1~8%, aluminium hydroxide 1~3%, Firebrake ZB 1~3%, barium borate 1~3%, sodium metasilicate calcium 1~3%, alumina silicate 1~10%, acrylic acid composite emulsion 20~28%, other auxiliary agents 1.5~3%, remaining is water.The present invention provides a kind of aquosity heat insulating heat preserving fireproof coating, using the nano silica powder of structure-controllable and the nano oxidized silicon composite of superhigh specific surface area nano silicon oxide biscuit compounding as core material, the Optimal improvements matched by component and accordingly, so that product has the function of stagnant hot-fluid transmission well, product thermal conductivity factor is not higher than 0.03W/ (mK), and fire protecting performance reaches A grades of levels.
Description
Technical field
The invention belongs to heat-insulating heat-preserving material technical field, and in particular to a kind of aquosity heat insulating heat preserving fire proofing material and its system
Preparation Method.
Background technology
It is energy-saving to be great in energy source use and scientific research with the development and the requirement of low-carbon environment-friendly of society
Problem, heat-insulating heat-preserving material is the class new type functional material grown up under this social background.Building energy is consumed
It is one of important component of mankind's total energy consumption, meanwhile, building energy consumption is also the main source of pollution.At present, it is Chinese
Building energy consumption accounts for 30% or so of whole society's energy wastage in bulk or weight, and according to the experience of developed country, this ratio will be stepped up
To 40% or so.And during China is in Urbanization and is industrialized, annual new building is up to 2,000,000,000 squares
Rice, equivalent to the 40% of the annual new building in the whole world；Energy resource consumption accounting wherein in heat supply heating is maximum, has reached full generation
The 60% of boundary's building energy consumption, therefore building energy conservation can effectively reduce equipment energy consumption, improve energy use efficiency, alleviate significantly
National energy short supply state.It is one of main conservation measures to carry out insulation to wall using efficient heat-insulating heat-preserving material,
It is maximally effective approach.
Heat-insulating heat-preserving material can generally be divided into organic heat-insulating heat-preserving material and inorganic heat-insulating material according to its material
Material.The most widely used warming plate of current China is organic heat-insulating heat-preserving material, the current industry of China more than 80% and building
Etc. industry heat insulating work using organic heat-insulating heat-preserving material such as rubber powder and crowded contracting XPS, hard foam polyurethane plate.Have
Although machine insulation material is with advantages such as relatively low thermal conductivity factor, good heat insulatings, their maximum shortcomings are not prevent fires；Material
Noxious material is distributed in long-term use, eco-environmental prote is poor；The organic insulation material coefficient of expansion and wall, surface cracking resistance sand
Starch difference big, under the larger temperature difference, heat-insulation layer is easy to crack.In addition organic heat-insulating heat-preserving material also has not ageing-resistant, stability
Difference, difficulty of construction are big, engineering cost is higher, its resource-constrained and the shortcoming for being difficult to cycling and reutilization.It is heat-insulated with respect to organic to protect
Adiabator, inorganic heat-insulating material has environmentally friendly, sustainable such as rock wool, mineral wool, mineral wool, foam concrete, glass bead
Advantage, its combustibility can reach A grades, also be widely used under construction.In particular with oil spike, Yi Jiren
To green energy conservation, the pay attention to day by day of low-carbon environment-friendly, fast traffic lane is also driven into the development of inorganic heat insulation material.But it is due to inorganic guarantor
The thermal conductivity factor of adiabator is poor, and heat-insulating property is not good enough, is extremely difficult to preferable heat insulation heat preservation energy-saving effect, or even meet water mistake
Effect, therefore be difficult to be popularized in the application.
With the development of the deep and nanometer technology to heat-insulating heat-preserving material technical research, occur in that in the prior art aqueous
Nano heat-insulating heat preservation fireproofing material, material is compound with inorganic heat-insulating fire proofing material using nano-powder as raw material, is equipped with film forming
And function additive, prepare heat-insulation and heat-preservation fire proofing material.One kind is for example disclosed in patent CN104231917A and utilizes silica gas
Nanometer high temperature resistant prepared by gel, inorganic nano titanium oxide, nano aluminium oxide, hollow glass bead, fire retardant and function additive
Heat insulating coatings, the coating can effectively reduce heat transference efficiency, but because the particularity of silica material aspect of performance, no
But cost of material is expensive, and the unstable heat insulation effect of its performance is undesirable.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of aquosity heat insulating heat preserving fireproof coating
And preparation method thereof, the nano silica powder of structure-controllable and superhigh specific surface area nano silicon oxide biscuit are constituted compound by it
Material, using both advantages in terms of heat-insulation and heat-preservation and fire protecting performance, the core of aquosity heat insulating heat preserving fireproof coating is used as using it
Material, and by the improvement of respective components and proportioning so that the aquosity heat insulating heat preserving paint material product prepared have it is excellent
Good thermal conductivity factor, fire protecting performance reaches A grades of levels.
To achieve the above object, according to one aspect of the present invention, there is provided a kind of aquosity heat insulating heat preserving fireproof coating, its group
Divide and content distinguishes as follows according to percentage by weight：
In the program, nano oxidized silicon composite is the main material of heat-insulation and heat-preservation fireproof coating, and it is with higher hole
Rate and relatively low apparent density substantially reduce the solid-state thermal conductivity factor of material, while it has superhigh specific surface area and superpower table
Face activity, is formed as unending minimum point contact between its particle, logical so as to increase that heat transmits in solid skeletal
Road, forms " endless path effects ", the thermal conductivity of solid skeletal is almost preferably minimized.In addition, its internal presence is big
The nanoscale closed pore of amount makes the ability that air molecule loses free-flowing, that is, " zero convection effect " is produced, while existing infinite
Many gas-solid interfaces make material internal have very many reflecting interfaces, so that the efficiency of radiation thermal conduction levels off to zero.And
And, the fine and close network structure of this composite formation is used as temperature control phase-change material and the carrier of infrared reflective material, Ke Yishi
Existing temperature adjustment thermal resistance function.
As present invention further optimization, the nano oxidized silicon composite is the nano oxidized silica flour of structure-controllable
The material that body is mixed with superhigh specific surface area nano silicon oxide biscuit, preferably by weight percentage 0.5:1~5:1 mixing and
Into.
In the program, the non-drying of superhigh specific surface area nano silicon oxide biscuit, with stronger surface-active, can
Formed outside intragranular and the superhigh specific surface area nano silicon oxide biscuit is mixed in stronger network struture system, composite can solve
Certainly the not enough problem of the rigidity of material, improves strength of coating；Meanwhile, the nano silica powder of structure-controllable is by drying program
Nano silicon oxide, there is substantial amounts of ultra micro closed pore space inside it, the Convention diffusion of heat energy can be blocked, reduce the heat conduction of material
Coefficient, can as temperature control phase-change material carrier, and nanometer undefined structure therein make heat-insulating heat-preserving material formation short distance
Unordered interfacial structure feature, with heat from consumption function, enables heat insulating coatings to block hot-fluid transmission, isolation heat and passes
Pass, the stable effect of keeping temperature.There to be relatively strong rigid superhigh specific surface area nano silicon oxide biscuit with having perforate knot
The nano silica powder of structure is combined, and combination is mutually matched by both, not only the good integral strength of material, and can be with
Effectively lifting material surface is active so that its fire protecting performance is greatly promoted.The proportioning consumption being particularly wherein mutually combined, passes through
Its percentage by weight is designed for (0.5~5):1, its intensity of the material mixed and heat conductivility can be optimal, from
And obtain the mutually unified heat-insulation and heat-preservation fireproof coating of toughness, rigid, heat-insulated, heat insulation function.
As present invention further optimization, the nano silica powder of the structure-controllable is unformed powder, its
Specific surface area is not less than 700m2/ g, porosity of=70%, micropore size<2nm, micropore specific volume >=1000cm3/ g, particle diameter 10~
40nm。
As present invention further optimization, the specific surface area of the superhigh specific surface area nano silicon oxide biscuit is not less than
1160m2/ g, porosity of=80%, micropore size<0.6nm, micropore specific volume >=1980cm3/ g, 5~10nm of particle diameter.
Above-mentioned nano silica powder and superhigh specific surface area nano silicon oxide biscuit in this programme, nano oxygen therein
The unsaturated residual bond and the hydroxyl of different bond styles that SiClx surface is present become to be embodied necessarily in anoxic structure, performance
Reproducibility, and oxygen molecule in air can be reduced into ionic condition by above-mentioned material, so as to improve the fire protecting performance of material.
As present invention further optimization, the potassium hexatitanate and Titanium pyrophosphate as thermal control material, its granularity is 2~
150μm.Potassium hexatitanate, Titanium pyrophosphate are fabulous phase-change materials, and infrarefraction rate is more than 2.5 times of titanium oxide, and itself
Thermal conductivity factor is relatively low, phase-change heat-storage material and porous nanometer material is combined, the integrated phase transformation material in heat-insulating heat-preserving material
The temperature adjustment function of material, it is possible to achieve the high-heat of heat-insulating heat-preserving material and the regulation and control of long-acting intelligent temperature.
As present invention further optimization, the nano-titanium oxide is rutile type nano titanium oxide, and particle diameter is 20-
30nm.Rutile type nano titanium oxide refractive index is high, is fabulous infrared reflective material.
As present invention further optimization, the aluminium hydroxide particle diameter is 1~2.5 μm.Aluminium hydroxide is good nothing
Machine fire retardant, when the temperature increases, aluminium hydroxide dehydration, absorbing and cooling temperature prevent high polymer from fully burning, and charcoal is formed on surface
Change diaphragm, both stopped the entrance of oxygen, and also blocked the effusion of imflammable gas, it is ensured that the flame retardant effect of coating.
As present invention further optimization, the Firebrake ZB, barium borate are together as boron flame retardant, and its granularity is 3
~30 μm.Firebrake ZB, barium borate are cooperateed with aluminium hydroxide fire retardant, can generate porous hard glass ceramics shape material, play every
Heat and the flammable effect with combustion-supporting gas of absorption, prevent the further progress of burning.Three's Optimized Matching can have excellent
Flame retardant effect.
As present invention further optimization, the sodium metasilicate calcium is more than 400 mesh powders.Sodium metasilicate calcium has
Higher resistance to elevated temperatures, can lift the fire resistant performance of aquosity heat insulating heat preserving fireproof coating.
As present invention further optimization, a diameter of 0.5-2 μm described in the alumina silicate.The addition of alumina silicate is added
A variety of new energy absorbing mechanisms, the energy of increase fracture process consumption, prevent coating from ftractureing；Alumina silicate fibre has preferable
Infrared absorption and scattering power, can effectively reduce the radiant heat transfer of material at high temperature, reduce the thermal conductivity factor of coating.While silicon
Sour aluminium has excellent resistance to elevated temperatures, so as to improve the heat resistance of heat-insulation and heat-preservation fire proofing material.
As present invention further optimization, the film forming agent is acrylic acid composite emulsion.Preferably, the acrylic acid is answered
Conjunction emulsion is at least two compositions in phenylpropyl alcohol, pure third, silicon third.Acrylic acid composite emulsion is the main of heat-insulation and heat-preservation fireproof coating
Film forming agent, it is ensured that elasticity, intensity and the weather resistance of coating, so that the cracking resistance for improving heat-insulation and heat-preservation fireproof paint coating becomes
Property, polluting proofing property, water resistance and weatherability extend the service life of coating.
As the further preferred of the present invention, the glass microballoon is 10-20 μm.Hollow glass bead is closed hollow ball
Body, inner vacuum, with sound insulation, heat-insulated, insulation characterisitic.Its sphericity can be provided fills out than sheet, needle-like, irregular shape
The more preferable mobility of thing particle is filled, it is had good peptizaiton to impulsive force and stress.Being added in coating can be well
The external force resistance impact property and wearability of film are improved, improving coating must shear and bending strength, coating is had isotropism,
Stress concentration is reduced, coating is reduced because of the stress cracking for generation of expanding with heat and contract with cold.
As present invention further optimization, the function additive is dispersant, wetting agent, defoamer, bactericide, levelling
At least one of agent, pH adjusting agent and thickener.
As present invention further optimization, the particular type and content of the function additive by weight percentage can be with
For：Dispersant 0.3~1%, wetting agent 0.3~1%, coalescents 0.3~1%, bactericide 0.1~0.2%, pH adjusting agent
0.1~0.5%, levelling agent 0.05%~0.1%, defoamer 0.05~0.1%, thickener 0.2~0.5%.
It is another aspect of this invention to provide that a kind of preparation method of aquosity heat insulating heat preserving fireproof coating is provided, its specific bag
Include following process：
(1) first by dispersant, wetting agent, be added to fill gauge water beater tub in, then successively input potassium hexatitanate 1~
8%th, Titanium pyrophosphate 1~8%, calcium metasilicate sodium 1~3%, nano-titanium oxide 4~10%, aluminium hydroxide 1~3%, mashing；
(2) nano oxidized silicon composite 8~20%, mashing are put into；
(3) input alumina silicate 1~10% is beaten；
(4) by the sucting reaction kettle of acrylic acid composite emulsion 20~28%, by standby slurries sucting reaction kettle in beater tub
In, stir 40~60min；
(5) glass microballoon 3~15%, mashing are put into；
(6) heat-insulation and heat-preservation fireproof coating can be prepared by adding function additive and stirring.
In general, by the contemplated above technical scheme of the present invention compared with prior art, with following beneficial effect
Really：
(1) the aquosity heat insulating heat preserving fireproof coating in the present invention, it compares table with the nano silicon oxide of structure-controllable and superelevation
The compound nano oxidized silicon materials of area nanometer silica biscuit are main material, it is possible to achieve good heat insulation and preservation effect, heat conduction
Coefficient is not higher than 0.03W/ (mK), is specially：1. utilize nano oxidized silicon composite high porosity, low bulk density and
Long road effect reduces the heat conduction efficiency of coating；2. material is realized using ultra micro closed pore negative space in nano oxidized silicon composite
Zero convection current fuel factor of material；3. infinite many insulation board effects of nano oxidized silicon composite, reduction heat-insulation and heat-preservation fire prevention are utilized
The radiant heat transfer efficiency of coating and realize the hot consumable function of material 4. material formation porous fine and close network structure as phase transformation
The carrier of material, it is achieved thereby that the automatic temperature-adjusting function of material.
(2) aquosity heat insulating heat preserving fireproof coating of the invention has stronger infrared screen in addition to the thermal conductivity factor with reduction, also
Function is covered, can effectively suppress the heat radiation of high-rise and scattering and disappearing for heat, energy-saving heat preserving effect is notable.
(3) aquosity heat insulating heat preserving fireproof coating of the invention is substantially lifted by introducing non-ignitable, fire retardant and fire proofing
The fire protecting performance of material, fire protecting performance reaches A grades of levels, and material will not burn under the high temperature conditions, not produce smog, Er Qiewu
Any toxic gas discharge, belongs to a kind of energy-saving coatings of environment-friendly type.
(4) aquosity heat insulating heat preserving fireproof coating of the invention has thin easy construction, coating, seamless, heat insulation coating table
The characteristics of face densification, adhesive force.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below each other it
Between do not constitute conflict can just be mutually combined.
Embodiment 1
In the present embodiment, a kind of aquosity heat insulating heat preserving fireproof coating, according to its component of percentage by weight and content respectively such as
Under：
Wherein, nano oxidized silicon composite is the nano silica powder and superhigh specific surface area nano oxygen of structure-controllable
SiClx biscuit by weight percentage 1:1 material mixed.Wherein the nano silica powder of structure-controllable is unformed
Powder, its specific surface area is not less than 700m2/ g, porosity of=70%, micropore size<2nm, micropore specific volume >=1000cm3/g、
Particle diameter 10-40nm.The specific surface area of superhigh specific surface area nano silicon oxide biscuit is not less than 1160m2/ g, porosity of=80%,
Micropore size<0.6nm, micropore specific volume >=1980cm3/ g, 5~10nm of particle diameter.
In the present embodiment, function additive preferably includes dispersant 0.5%, 0.3% part of 0.5% coalescents of wetting agent, killed
Microbial inoculum 0.1%, pH adjusting agent 0.1%, levelling agent 0.05%, defoamer 0.05%, thickener 0.4%.
During specific preparation, first water is added in beater tub by weight first, dispersant 0.5%, wetting agent is then added
0.5%, it is 6%, aluminium hydroxide that potassium hexatitanate 1%, Titanium pyrophosphate 5%, sodium metasilicate calcium 1%, nano-titanium oxide are put into successively
2%, Firebrake ZB 3%, barium borate 2%, 1000-2800 revs/min of high-shear homogenizer (or sand mill) is beaten 25-60 minutes；Again
Nano oxidized silicon composite 40% is put into, 1200-3000 revs/min is beaten 20-30 minutes；Alumina silicate 6%, 900- are put into again
1100 revs/min are beaten 20-30 minutes, and slurries are standby.With vavuum pump by the sucting reaction kettle of acrylic acid composite emulsion 28%, open
Reactor is opened, the rotating speed of regulation stirring to 400~500 revs/min, by standby slurries sucting reaction kettle in mixing cirtern, is stirred
40-60 minutes；Glass microballoon 10% is put into again, and 600-800 revs/min is beaten 15-30 minutes；Then sequentially add into order
0.3% part of film auxiliary agent, bactericide 0.1%, pH adjusting agent 0.1%, levelling agent 0.05%, defoamer 0.05%, be sufficiently stirred for
After even, thickener 0.4% is slowly added to, untill reaching 4 glasss of viscosity of 80~90 seconds of painting.It is finally filling to be prepared into for wall
Heat-insulation and heat-preservation fireproof coating.
The product thermal conductivity factor for the aquosity heat insulating heat preserving fire proofing material that the present embodiment is prepared is low, and it is not higher than 0.03W/
(mK), fire protecting performance reaches A grades of levels.
Embodiment 2
In the present embodiment, a kind of aquosity heat insulating heat preserving fireproof coating, according to its component of percentage by weight and content respectively such as
Under：
Wherein, nano oxidized silicon composite is the nano silica powder and superhigh specific surface area nano oxygen of structure-controllable
SiClx biscuit by weight percentage 2:1 material mixed.Wherein the nano silica powder of structure-controllable is unformed
Powder, its specific surface area is not less than 700m2/ g, porosity of=70%, micropore size<2nm, micropore specific volume >=1000cm3/g、
Particle diameter 10-40nm.The specific surface area of superhigh specific surface area nano silicon oxide biscuit is not less than 1160m2/ g, porosity of=80%,
Micropore size<0.6nm, micropore specific volume >=1980cm3/ g, particle diameter 5-10nm.
In the present embodiment, function additive preferably includes dispersant 0.5%, wetting agent 0.5%, 0.3% part of coalescents, killed
Microbial inoculum 0.1%, pH adjusting agent 0.1%, levelling agent 0.05%, defoamer 0.05%, thickener 0.4%.
During specific preparation, first water is added in beater tub by weight first, dispersant 0.5%, wetting agent is then added
0.5%, it is 10%, aluminium hydroxide that potassium hexatitanate 6%, Titanium pyrophosphate 1%, sodium metasilicate calcium 3%, nano-titanium oxide are put into successively
1%, Firebrake ZB 2%, barium borate 1%, 1000-2800 revs/min of high-shear homogenizer (or sand mill) is beaten 25-60 minutes；Again
Nano oxidized silicon composite 12% is put into, 1000-2800 revs/min is beaten 20-30 minutes；Glass microballoon 3% is put into again,
600-800 revs/min is beaten 15-30 minutes；Alumina silicate 10% is put into again, and 900-1100 revs/min is beaten 20-30 minutes, slurry
Liquid is standby.Reactor, regulation stirring to 400~600 in the sucting reaction kettle of acrylic acid composite emulsion 25%, will be opened with vavuum pump
Rev/min rotating speed；By in standby slurries sucting reaction kettle in mixing cirtern, stir 40-60 minutes；Glass microballoon 3% is put into again,
600-800 revs/min is beaten 15-30 minutes；Then 0.3% part of coalescents, bactericide 0.1%, pH are sequentially added in order
Conditioning agent 0.1%, levelling agent 0.05%, defoamer 0.05%, stir after, thickener 0.4% is slowly added to, reached
Untill 4 glasss of viscosity of 80~90 seconds are applied.The last filling aquosity heat insulating heat preserving fireproof coating being prepared into for wall.
The product thermal conductivity factor for the aquosity heat insulating heat preserving fire proofing material that the present embodiment is prepared is low, and it is not higher than 0.03W/
(mK), fire protecting performance reaches A grades of levels.
Embodiment 3
In the present embodiment, a kind of aquosity heat insulating heat preserving fireproof coating, according to its component of percentage by weight and content respectively such as
Under：
Wherein, nano oxidized silicon composite is the nano silica powder and superhigh specific surface area nano oxygen of structure-controllable
SiClx biscuit by weight percentage 3:1 material mixed.Wherein the nano silica powder of structure-controllable is unformed
Powder, its specific surface area is not less than 700m2/ g, porosity of=70%, micropore size<2nm, micropore specific volume >=1000cm3/g、
Particle diameter 10-40nm.The specific surface area of superhigh specific surface area nano silicon oxide biscuit is not less than 1160m2/ g, porosity of=80%,
Micropore size<0.6nm, micropore specific volume >=1980cm3/ g, particle diameter 5-10nm.
In the present embodiment, function additive preferably includes dispersant 1.5%, wetting agent 1.5%, 0.3% part of coalescents, killed
Microbial inoculum 0.1%, pH adjusting agent 0.1%, levelling agent 0.05%, defoamer 0.05%, thickener 0.4%.
During specific preparation, first water is added in beater tub by weight first, dispersant 1.5%, wetting agent is then added
1.5%, it is 6%, aluminium hydroxide 3%, Firebrake ZB that potassium hexatitanate 8%, sodium metasilicate calcium 2%, nano-titanium oxide are put into successively
2%, barium borate 2%, 1000-2800 revs/min of high-shear homogenizer (or sand mill) is beaten 25-60 minutes；Nano oxygen is put into again
SiClx composite 12%, 1000-2800 revs/min is beaten 20-30 minutes；Alumina silicate 6%, 900-1100 revs/min are put into again
Clock is beaten 20-30 minutes, and slurries are standby.With vavuum pump by the sucting reaction kettle of acrylic acid composite emulsion 20%, reactor is opened,
The rotating speed of regulation stirring to 400~600 revs/min；By in standby slurries sucting reaction kettle in mixing cirtern, stir 40-60 minutes；
Glass microballoon 15% is put into again, and 600-800 revs/min is beaten 15-30 minutes；Then coalescents are sequentially added in order
0.3% part, bactericide 0.1%, pH adjusting agent 0.1%, levelling agent 0.05%, defoamer 0.05%, stir after, will
Thickener 0.4% is slowly added to, untill reaching 4 glasss of viscosity of 80~90 seconds of painting.It is finally filling to be prepared into for the aqueous of wall
Heat-insulation and heat-preservation fireproof coating.
The product thermal conductivity factor for the aquosity heat insulating heat preserving fire proofing material that the present embodiment is prepared is low, and it is not higher than 0.03W/
(mK), fire protecting performance reaches A grades of levels.
Embodiment 4
In the present embodiment, a kind of aquosity heat insulating heat preserving fireproof coating, according to its component of percentage by weight and content respectively such as
Under：
Wherein, nano oxidized silicon composite is the nano silica powder and superhigh specific surface area nano oxygen of structure-controllable
SiClx biscuit by weight percentage 4:1 material mixed.Wherein the nano silica powder of structure-controllable is unformed
Powder, its specific surface area is not less than 700m2/ g, porosity of=70%, micropore size<2nm, micropore specific volume >=1000cm3/g、
Particle diameter 10-40nm.The specific surface area of superhigh specific surface area nano silicon oxide biscuit is not less than 1160m2/ g, porosity of=80%,
Micropore size<0.6nm, micropore specific volume >=1980cm3/ g, particle diameter 5-10nm.
In the present embodiment, function additive preferably include dispersant 0.45%, wetting agent 0.5%, 0.3% part of coalescents,
Bactericide 0.1%, pH adjusting agent 0.1%, levelling agent 0.05%, defoamer 0.05%, thickener 0.4%.
During specific preparation, first water is added in beater tub by weight first, dispersant 0.45%, wetting agent is then added
0.5%, it is 4%, aluminium hydroxide 2%, Firebrake ZB that Titanium pyrophosphate 8%, sodium metasilicate calcium 2%, nano-titanium oxide are put into successively
1%, barium borate 3%, 1000-2800 revs/min of high-shear homogenizer (or sand mill) is beaten 25-60 minutes；Nano oxygen is put into again
SiClx composite 20%, 1000-2800 revs/min is beaten 20-30 minutes；Alumina silicate 1%, 900-1100 revs/min are put into again
Clock is beaten 20-30 minutes, and slurries are standby.With vavuum pump by the sucting reaction kettle of acrylic acid composite emulsion 25%, reactor is opened,
The rotating speed of regulation stirring to 400~600 revs/min；By in standby slurries sucting reaction kettle in mixing cirtern, stir 40-60 minutes；
Glass microballoon 10% is put into again, and 600-800 revs/min is beaten 15-30 minutes；Then coalescents are sequentially added in order
0.3% part, bactericide 0.1%, pH adjusting agent 0.1%, levelling agent 0.05%, defoamer 0.05%, stir after, will
Thickener 0.4% is slowly added to, untill reaching 4 glasss of viscosity of 80~90 seconds of painting.It is finally filling to be prepared into for the aqueous of wall
Heat-insulation and heat-preservation fireproof coating.
The product thermal conductivity factor for the aquosity heat insulating heat preserving fire proofing material that the present embodiment is prepared is low, and it is not higher than 0.03W/
(mK), fire protecting performance reaches A grades of levels.
In various embodiments above, the number range of its concrete content of each component and relevant parameter is only exemplary, and
It is not used in the restriction present invention.The particularly wherein nano silica powder of structure-controllable and superhigh specific surface area nano silicon oxide cake
The proportioning of material, however it is not limited to the concrete numerical value of above-described embodiment, it can essentially be at (0.5-5):According to actual need in the range of 1
Ask specifically chosen, more preferably can be (1-4):1.
In addition, the content of glass microballoon is not limited to the numerical value in above-described embodiment, its actual span can for 3~
15%.The content of nano-titanium oxide is not limited to the numerical value in above-described embodiment, and its actual span can be 4~10%.
Claims (10)
1. a kind of aquosity heat insulating heat preserving fireproof coating, its component and content distinguish as follows according to percentage by weight：
2. aquosity heat insulating heat preserving fireproof coating according to claim 1, wherein, the nano oxidized silicon composite is to receive
The material that rice silica powder is mixed with superhigh specific surface area nano silicon oxide biscuit, preferably by weight percentage (0.5~
5):1 mixes.
3. aquosity heat insulating heat preserving fireproof coating according to claim 2, wherein, the nano oxidized silica flour of the structure-controllable
Body is unformed powder, and its specific surface area is not less than 700m2/ g, porosity of=70%, micropore size<2nm, micropore specific volume
≥1000cm3/ g, particle diameter 10-40nm.
4. the aquosity heat insulating heat preserving fireproof coating according to Claims 2 or 3, wherein, the superhigh specific surface area nano oxygen
The specific surface area of SiClx biscuit is not less than 1160m2/ g, porosity of=80%, micropore size<0.6nm, micropore specific volume >=
1980cm3/ g, particle diameter 5-10nm.
5. aquosity heat insulating heat preserving fireproof coating according to any one of claim 1 to 4, wherein, the potassium hexatitanate and
Titanium pyrophosphate is as thermal control material, and its granularity is 2-150 μm.
6. aquosity heat insulating heat preserving fireproof coating according to any one of claim 1 to 5, wherein, the nano-titanium oxide
For rutile type nano titanium oxide, particle diameter is 20-30nm.
7. aquosity heat insulating heat preserving fireproof coating according to any one of claim 1 to 6, wherein, the sodium metasilicate calcium
For more than 400 mesh powders.
8. aquosity heat insulating heat preserving fireproof coating according to any one of claim 1 to 7, wherein, the alumina silicate it is straight
Footpath is 0.5-2 μm；The Firebrake ZB is used for as boron flame retardant with barium borate, and its granularity is 3-30 μm.
9. aquosity heat insulating heat preserving fireproof coating according to any one of claim 1 to 8, wherein, the function additive is
Dispersant, wetting agent, defoamer, bactericide, levelling agent, pH adjusting agent and thickener.
10. the preparation method of the aquosity heat insulating heat preserving fireproof coating any one of claim 1 to 9, comprises the following steps：
(1) first dispersant and wetting agent are added in the beater tub for filling gauge water, then successively input potassium hexatitanate 1~8%,
Titanium pyrophosphate 1~8%, calcium metasilicate sodium 1~3%, nano-titanium oxide 4~10% and aluminium hydroxide 1~3%, mashing；
(2) nano oxidized silicon composite 8~20%, mashing are put into；
(3) input alumina silicate 1~10% is beaten；
(4) by the sucting reaction kettle of acrylic acid composite emulsion 20~28%, by slurries sucting reaction kettle in beater tub, 40 are stirred
~60min；
(5) glass microballoon 3~15%, mashing are put into；
(6) add function additive and stir, you can prepare heat-insulation and heat-preservation fireproof coating.
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| CN111662585A (en) * | 2020-06-24 | 2020-09-15 | 谭亮 | Fireproof coating with heat insulation and preservation performance |
| CN112312986A (en) * | 2018-06-15 | 2021-02-02 | 格雷斯公司 | Defoaming agent active material, method for producing same, and defoaming agent |
| CN114364633A (en) * | 2019-08-28 | 2022-04-15 | 福吉米株式会社 | Method for increasing specific surface area of titanium phosphate plate-like particles, and powder formed from plate-like particles derived from titanium phosphate |
| CN116261582A (en) * | 2020-06-19 | 2023-06-13 | 零点火技术股份有限公司 | Thermal-insulating flame-retardant non-expansion paint and manufacturing method thereof |
| WO2023120295A1 (en) * | 2021-12-23 | 2023-06-29 | 大塚化学株式会社 | Aqueous coating composition, method for producing coating film, method for using aqueous coating composition, and coated article |
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| KR102582950B1 (en) * | 2023-01-09 | 2023-09-27 | 김면호 | Aqueous foamed flame retardant composition and fire spread prevention insulation mat using the same |
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Effective date of registration: 20221130 Address after: 335500 East side of the new Honggang old line in Fengchao Industrial Park, Wannian County, Shangrao City, Jiangxi Province Patentee after: Shangrao Annatuo New Materials Co.,Ltd. Address before: 335500 Shizhen Characteristic Industrial Park, Wannian County, Shangrao City, Jiangxi Province Patentee before: JIANGXI NAYU NANO NEW MATERIAL CO.,LTD. |