A kind of antifogging coating and preparation method thereof
Technical field
The invention belongs to coating processing technique field, specially a kind of antifogging coating and preparation method thereof.
Background technology
Traditional moisture-proof coating water absorption is low, absorbs and is not easy to exclude after moisture, is only capable of realizing protection against the tide at short notice
Effect, easily causes the mouldy humidity of metope if of long duration, and traditional moisture-proof coating heat-conducting effect is poor, it is not easy to by coating
The heat of absorption imports to interior wall, causes the temperature difference between dope layer and interior wall larger so that dope layer is easily broken.
The content of the invention
It is an object of the invention to be directed to problem above, there is provided a kind of antifogging coating, its water absorption is big, flameproof effect
Good, water evaporation rate is fast, long service life.
To realize object above, the technical solution used in the present invention is:A kind of antifogging coating, it matches somebody with somebody including following weight
The component of ratio:Water 420-500 parts, powder thickener 2-3 parts, ammoniacal liquor 0.2-0.4 parts, defoamer 0.3-0.7 parts, preservative 3.5-
4.3 parts, mould inhibitor 2-3 parts, titanium dioxide 20-30 parts, aluminium silicate powder 5-15 part, calcium carbonate 70-78 parts, fire retardant 6.5-8.5 parts,
Wood fibre 50-70 parts, emulsion 115-135 part, swelling perlite powder 63-71 parts, glass microballoon 10-15 parts.
Preferably, it includes the component of following weight proportion:460 parts of water, 2.5 parts of powder thickener, 0.3 part of ammoniacal liquor, disappear
0.5 part of infusion, 3.8 parts of preservative, 2.5 parts of mould inhibitor, 25 parts of titanium dioxide, 10 parts of aluminium silicate powder, 74 parts of calcium carbonate, fire retardant
7.5 parts, 60 parts of wood fibre, 125 parts of emulsion, 66 parts of swelling perlite powder, 12 parts of glass microballoon.
Preferably, the titanium dioxide is golden red type titanium dioxide.
Preferably, the calcium carbonate is the powdered whiting of 750-850 mesh sizes.
Preferably, the aluminium silicate powder is 200-300 mesh sizes.
Preferably, the emulsion is pure-acrylic emulsion.
Preferably, the expanded perlite includes thin expanded perlite and thick expanded perlite;The thin expanded perlite
For 200-300 mesh sizes;The thick expanded perlite is 400-500 mesh sizes;The thin expanded perlite be 52-60 parts, institute
Thick expanded perlite is stated for 45-55 parts.
Preferably, the glass microballoon granularity is 40-60 microns.
It is a further object to provide a kind of antifogging coating and preparation method thereof, it includes that following preparation walks
Suddenly:
A kind of preparation method of antifogging coating, it is characterised in that it includes following preparation process:
(1) first stage:By proportioning successively by water, powder thickener, ammoniacal liquor, defoamer, preservative, mould inhibitor, titanium white
Powder, aluminium silicate powder, calcium carbonate, fire retardant, wood fibre are added in mixer, and adjustment rotating speed is 1000-1200 rev/min,
Persistently stir 30-40 minutes;
(2) second stage:Mixer rotating speed in step (1) is down to into 550-650 rev/min, by weight ratio to stirring
Mix and sequentially add in machine pure-acrylic emulsion, defoamer, expanded perlite, glass microballoon, persistently stir 10-20 minutes, form finished product.
Beneficial effects of the present invention:
1st, the present invention adds pure-acrylic emulsion, pure-acrylic emulsion to have low-down vitrification point in coating, so this
Bright coating has preferable low temperature flexibility.
2nd, add expanded perlite and thickness collocation in the present invention, coating is formed with the structure of individual porous, greatly increase
Plus coating and the contact area of air, increase by 20~30 times of surface areas, the temperature of building surface coating is made closer to air
The temperature on surface, condensed water generation is more difficult, also ensures the internal structure of pore and can absorb moisture rapidly to air
Middle release;
3rd, add glass microballoon and expanded perlite in the present invention, reduce the heat transfer of building surface and coating, enter one
Step makes the temperature of the close air surface of temperature of building surface coating, condensed water produce more difficult;
4th, the alumina silicate powder added in the present invention can further improve water absorbing properties, while and can improve the heat conduction of coating
Efficiency, improves the evaporation rate of moisture, substantially increases the moistureproof heat-conducting effect of coating of the present invention.
5th, the present invention with the addition of mould inhibitor, can effectively prevent mould from corroding dope layer, improve the service life of coating.
6th, the present invention with the addition of preservative, can further prevent coating from being damaged by extraneous erosion, further improve coating
Service life.
7th, the present invention with the addition of wood fibre and fire retardant, can greatly improve the water absorption of coating, be the several of traditional coating
Ten times, while the fire retardant of addition can guarantee that the fire protecting performance of coating.
8th, the expanded perlite for adding can further promote the water imbibition of coating, and after arranging in pairs or groups with wood fibre moisture can be accelerated
Evaporation rate.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below to the concrete reality of the present invention
The mode of applying elaborates.Elaborate many details in order to fully understand the present invention in the following description.But this
Invention can be implemented with being much different from other modes described here, and those skilled in the art can be without prejudice to the present invention
Similar improvement is done in the case of intension, therefore the present invention is not embodied as being limited by following public.
Embodiment 1
A kind of antifogging coating, it includes the component of following weight proportion:460 parts of water, 2.5 parts of powder thickener, ammoniacal liquor
0.3 part, 0.5 part of defoamer, 3.8 parts of preservative, 2.5 parts of mould inhibitor, 25 parts of titanium dioxide, 10 parts of aluminium silicate powder, 74 parts of calcium carbonate,
7.5 parts of fire retardant, 60 parts of wood fibre, 125 parts of emulsion, 66 parts of swelling perlite powder, 12 parts of glass microballoon.
The titanium dioxide is golden red type titanium dioxide.
The calcium carbonate is the powdered whiting of 800 mesh sizes.
The aluminium silicate powder is 250 mesh sizes.
The emulsion is pure-acrylic emulsion.
The expanded perlite includes thin expanded perlite and thick expanded perlite;The thin expanded perlite is 250 mesh
Size;The thick expanded perlite is 450 mesh sizes;The thin expanded perlite is 50 parts.
Preferably, the glass microballoon granularity is 50 microns.
Preparation condition:Normal temperature and pressure, the mixer for using is stainless steel metal mixer, and step is as follows:
(1) first stage:By proportioning successively by water, powder thickener, ammoniacal liquor, defoamer, preservative, mould inhibitor, titanium white
Powder, aluminium silicate powder, calcium carbonate, fire retardant, wood fibre are added in mixer, and adjustment rotating speed is 1100 revs/min, is persistently stirred
Mix 35 minutes;
(2) second stage:Mixer rotating speed in step (1) is down to into 600 revs/min, by weight ratio to mixer
In sequentially add pure-acrylic emulsion, defoamer, swelling perlite powder, glass microballoon, persistently stir 15 minutes, formed finished product.
Embodiment 2
A kind of antifogging coating, it includes the component of following weight proportion:420 parts of water, 2 parts of powder thickener, ammoniacal liquor 0.2
Part, 0.3 part of defoamer, 3.5 parts of preservative, 2 parts of mould inhibitor, 20 parts of titanium dioxide, 5 parts of aluminium silicate powder, 70 parts of calcium carbonate, fire retardant
6.5 parts, 50 parts of wood fibre, 115 parts of emulsion, 63 parts of swelling perlite powder, glass microballoon 10.
The titanium dioxide is golden red type titanium dioxide.
The calcium carbonate is the powdered whiting of 750 mesh sizes.
The aluminium silicate powder is 200 mesh sizes.
The emulsion is pure-acrylic emulsion.
The expanded perlite includes thin expanded perlite and thick expanded perlite;The thin expanded perlite is 200 mesh
Size;The thick expanded perlite is 400 mesh sizes;The thin expanded perlite is 45 parts.
The glass microballoon granularity is 40 microns.
Preparation condition:Normal temperature and pressure, the mixer for using is stainless steel metal mixer, and step is as follows:
(1) first stage:By proportioning successively by water, powder thickener, ammoniacal liquor, defoamer, preservative, mould inhibitor, titanium white
Powder, aluminium silicate powder, calcium carbonate, fire retardant, wood fibre are added in mixer, and adjustment rotating speed is 1000 revs/min, is persistently stirred
Mix 30 minutes;
(2) second stage:Mixer rotating speed in step (1) is down to into 550 revs/min, by weight ratio to mixer
In sequentially add pure-acrylic emulsion, defoamer, swelling perlite powder, glass microballoon is persistently stirred 10 minutes, forms finished product.
Embodiment 3
A kind of antifogging coating, it includes the component of following weight proportion:500 parts of water, 3 parts of powder thickener, ammoniacal liquor 0.4
It is part, 0.7 part of defoamer, 4.3 parts of preservative, 3 parts of mould inhibitor, 30 parts of titanium dioxide, 15 parts of aluminium silicate powder, 78 parts of calcium carbonate, fire-retardant
8.5 parts of agent, 70 parts of wood fibre, 135 parts of emulsion, 71 parts of swelling perlite powder, glass are micro- 15 parts.
The titanium dioxide is golden red type titanium dioxide.
The calcium carbonate is the powdered whiting of 850 mesh sizes.
The aluminium silicate powder is 300 mesh sizes.
The emulsion is pure-acrylic emulsion.
The expanded perlite includes thin expanded perlite and thick expanded perlite;The thin expanded perlite is 300 mesh
Size;The thick expanded perlite is 500 mesh sizes;The thin expanded perlite is 55 parts.
The glass microballoon granularity is 60 microns.
Preparation condition:Normal temperature and pressure, the mixer for using is stainless steel metal mixer, and step is as follows:
(1) first stage:By proportioning successively by water, powder thickener, ammoniacal liquor, defoamer, preservative, mould inhibitor, titanium white
Powder, aluminium silicate powder, calcium carbonate, fire retardant, wood fibre are added in mixer, and adjustment rotating speed is 1200 revs/min, is persistently stirred
Mix 40 minutes;
(2) second stage:Mixer rotating speed in step (1) is down to into 650 revs/min, by weight ratio to mixer
In sequentially add pure-acrylic emulsion, defoamer, swelling perlite powder, glass microballoon is persistently stirred 20 minutes, forms finished product.
Aluminium silicate powder in the present invention adopts superfine alumina silicate powder, alumina silicate powder to promote coating with wood fibre collocation
Overall water imbibition, while and the heat conduction efficiency of coating, and aluminium silicate powder can be improved there is preferable light for laminated structure
Reflectivity, can improve the weather resisteant of coating.
When malaria contact a colder or hotter surface, reach condensation critical point, will produce condensed water and
Water droplet.The invention antifogging coating can at least increase by 20~30 times of surface areas by increasing building surface area, make to build
The temperature of the temperature on thing surface closer to air surface is built, condensed water produces more difficult;When air themperature reaches condensation critical point
When, this antifogging coating can absorb the condensed water of generation, prevent water droplet from flowing down, the absorbable 1.0L condensed waters per square meter.
The coating surface that this antifogging coating is formed can at least increase by 20~30 times of volatilization areas, capillary in latticed
The internal structure in hole can will absorb moisture and rapidly discharge in air.
The preservative and mould inhibitor of this antifogging coating addition, can protect building surface from bacterium, the dirt of fungi
Dye, there is provided clean, health a storage environment;Preservative is 363 preservatives (MKX), and mould inhibitor is M-8 mould inhibitors
(MBL)。
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
His property is included, so that a series of process, method, article or equipment including key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or equipment institute inherently
Key element.
Specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example
It is only intended to help and understands the method for the present invention and its core concept.The above is only the preferred embodiment of the present invention, should
When pointing out due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, it is also possible to will
Above-mentioned technical characteristic is combined by rights;These improve retouching, change or combine, or the not improved structure by invention
Think and technical scheme directly applies to other occasions, be regarded as protection scope of the present invention.