CN107540267A - A kind of preparation technology of uvioresistant, heat insulation type vitrified mineral varnish - Google Patents
A kind of preparation technology of uvioresistant, heat insulation type vitrified mineral varnish Download PDFInfo
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- CN107540267A CN107540267A CN201710446632.4A CN201710446632A CN107540267A CN 107540267 A CN107540267 A CN 107540267A CN 201710446632 A CN201710446632 A CN 201710446632A CN 107540267 A CN107540267 A CN 107540267A
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Abstract
A kind of uvioresistant of the present invention, the preparation technology of heat insulation type vitrified mineral varnish, add in vitrified color sand color film outer layer and encompass a meter SnO 2 thin film coating vitrified color sand is made, recycle the coating vitrified color sand and remaining raw material with following weight fraction paintings：65 84 parts of coating vitrified color sand, clear aqueous 5 12 parts of emulsion, 37 parts of thickener, 0.6 2 parts of auxiliary agent, 24 parts of nano tin dioxide, 5 10 parts of nano zine oxide, above-mentioned raw materials mixing, stir obtained vitrified mineral varnish.The vitrified mineral varnish is superior in quality, and ageing-resistant and heat-proof quality is greatly improved.
Description
Technical field
The invention belongs to building decoration area, is related to vitrified mineral varnish application and the inorganic staining technique of foundation construction building stones
Important improvement.
Background technology
Vitrified color sand is with silicates construction material, if glass microballon or quartz sand are as base-material, by Production of Ceramics work
Skill and equipment realize that the high temperature of inorganic dyestuff, quick, sintering coloring form glaze colour film.Recycle vitrified color sand, clear aqueous
Vitrified mineral varnish coating prepared by emulsion, thickener and auxiliary agent is glittering and translucent, the exterior coating of color good endurance.This is the present invention
The patent of invention of people, has been favored since appearance by market.But for being chronically exposed to the exterior wall decorating coating of open air,
The long-term irradiation of ultraviolet still results in molecular structure destruction, and coating fades unavoidably.Directly influence the bright in luster of coating
Degree.For skyscraper and high-grade outdoor decoration, the ultraviolet resistance irradiation ability of coating is related to overall image.In addition, with
People's living standards continue to improve and the continuous of atmospheric environment is warmed, higher want it is also proposed to the heat-proof quality of coating
Ask.How to keep and strengthen the bright colors of vitrified color sand, the heat-insulating capability for further improving the vitrified mineral varnish of its preparation is dimension
Hold the major issue of the survival and development of this new coating.
The content of the invention
The present invention in order to solve the problems, such as existing vitrified mineral varnish uvioresistant color move back with heat-insulating capability difference, devise a kind of new
Type vitrified mineral varnish preparation technology, by being improved to vitrified color sand base-material, add bag nano oxidized in vitrified color sand color film outer layer
Tin thin film, and Zinc oxide particles are added, anti-aging, the heat insulation type vitrified mineral varnish for formed and block ultraviolet light, reflecting infrared ray.
The technical scheme is that：A kind of preparation technology of uvioresistant, heat insulation type vitrified mineral varnish, with glass microballoon or
The vitrified color sand that quartz sand carries out mill base parcel successively, dynamic sinter film forming is formed is base-material, it is critical that the technique bag
Include following steps：
1. prepare coating vitrified color sand：By vitrified color sand and tin oxide nanoparticles with mass ratio 85-95:15-5 is well mixed,
After 500-900 DEG C of insulation 5-20min, room temperature is naturally cooled to, coating vitrified color sand is formed, is aoxidized in the coating vitrified color sand
Tin nanoparticles mass percent is 5-15%；
2. it is nano oxidized in parts by weight, to weigh 65-84 part coatings vitrified color sand, the clear aqueous emulsion of 5-12 parts, 5-10 parts
Zinc, 2-4 parts nano tin dioxide and 3.5-9 part auxiliary agents, stir, and vitrified mineral varnish is made.
Further, blown in glass microballoon or quartz sand dynamic sinter to when forming viscoelastic state coloured silk sand outer membrane by fluid bed
Enter nano tin dioxide stirring film forming, naturally cool to room temperature；The ratio of weight and number of vitrified color sand and Nano granules of stannic oxide is 90-
95：10-5.
Further, the dynamic sinter coloring process is using glass microballoon or quartz sand as base-material, is returned by internal heat type
Converter kiln plant, formed using stove center for collection focus, to stove wall diffusion heat dynamic high temperature Fast Sintering environment, with
Vitrified color sand is formed to base-material sintering coloring in upper environment, concretely comprised the following steps：
A, mill base is allocated：Inorganic pigment and the aqueous binders of metal oxide sintering quality will be used by grammes per square metre for 1: (1~3)
Proportioning be uniformly mixed into pasty state mill base, it is standby；
B, color is hung：Above mill base is inserted in mixer with base-material and is stirred, until the top layer uniform adhesion mill base of base-material, shape
Into outer casing, the percentage by weight of wherein mill base and base-material is：Mill base：1~5%, base-material：95~99%；
C, dry：The dynamic for hanging the base-material input internal-heated rotary furnace kiln plant after color is dried into kiln body, controls the kiln body rotating speed to be
10~60 revs/min, drying temperature be 50~200 DEG C, heating 10~30min dry to form color film integument；
D, sinter：The base-material of colored film integument is introduced into dynamic sinter in internal-heated rotary furnace kiln after drying, control kiln body turns
Speed is 10~60 revs/min, sintering temperature is 450~1300 DEG C, heats 10~30min, until color film integument and base-material top layer
Reach viscoelastic state simultaneously, form glassy state coloured silk sand outer membrane.
Further, the clear aqueous emulsion is pure acrylic acid or cinnamic acrylic ester copolymerized solution or acetic acid
Ethylene-acrylate copolymers solution.
Further, the auxiliary agent is by least two in four kinds of coalescents, levelling agent, preservative, suspending agent auxiliary agents
The mixed aid that kind auxiliary agent is formed.
Further, described thickener is the methocel solution that concentration is 1~3%, and the viscosity of solution is 30000
~50000 centipoises.
Further, the aqueous binders in the step a are the cellulose aqueous solutions that concentration is 1~3%.
Further, the fluid bed be centrifugal fluidized bed or vibrated fluidized bed or audio frequency be 100-120HZ, fluidizing velocity
The fluid bed for being provided with sound wave and system occurring more than 6-10mm/s.
Further, it is less than 0.192mm glass microballoon or quartz sand in the Nano granules of stannic oxide added with particle diameter,
The weight ratio of nano tin dioxide and glass microballoon or quartz sand is 7-15:1.
Further, the tin oxide and zinc oxide are the spherical nano-particle that particle diameter is less than 40nm.
In technical scheme, 1, make full use of the good characteristic of vitrified color sand, add in vitrified color sand color film outer layer
A meter SnO 2 thin film is encompassed, color film safeguard structure, barrier ultraviolet is formed, can keep and strengthen the color fastness of vitrified color sand, keep away
Exempt to fade, keep bright in luster for a long time.During using the coating vitrified color sand painting, then appropriate zinc oxide and tin oxide are added,
Using nano zine oxide and tin oxide barrier ultraviolet light, the performance for shielding heat radiation, further collaboration improves the vitreous that it is prepared
The uvioresistant and heat-insulating capability of mineral varnish.2nd, it is fast to glass microballoon or quartz sand dynamic high temperature by internal-heated rotary furnace kiln plant
Speed sintering coloring, sintering temperature control is reached into viscoelastic state simultaneously in color film layer and base-material top layer, makes color film layer and base-material top layer
Interpenetrate, be bonded together, form viscoelastic state coloured silk sand outer membrane, be now blown into nano-stannic oxide particle by fluid bed, flow
Nano-stannic oxide uniform particle is adhered to color film top layer and forms SnO 2 thin film layer, tin oxide and vitrified color in dynamic whipping process
Sand, which interpenetrates, to be bonded together；Coating vitrified color sand addition nano zine oxide and nano tin dioxide painting are recycled, is formed
Tin oxide and zinc oxide theca externa；Tin oxide and Zinc oxide particles are adhered to coating surface, are formed and block ultraviolet light, reflection infrared
The external protection coating of line.3rd, zinc oxide and tin oxide can be by scattering shielding ultraviolet rays, and it is heat-insulated to reflect infrared ray；The present invention
It is less than 40nm spherical nano-particle using particle diameter, because spherical particle morphology is regular, can avoid reuniting, has more
Border between particle, can form multiple scattering, and albedo is high；Other particle diameter is smaller, specific surface area is bigger, and scattering coefficient is higher,
Preferable particle size of the present invention is less than 40nm zinc oxide and tin oxide particles.4th, zinc oxide not only has good fast light, heat-resisting work
With, can also with carboxylic acid ion formed complex, so as to reduce the sensitiveness of theca externa reclaimed water, improve the weather-proof of theca externa
Property and productive technique, can make theca externa flexible, firm, waterproof；Zinc oxide and oxidation Theil indices too conference cause paint vehicle to glue
Degree is too big, reduces stability, too small to influence its uvioresistant and heat-proof quality.5th, flowed by using centrifugal fluidized bed or vibration
Change bed or audio frequency as the fluid bed for being provided with sound wave generation system of 100-120HZ, fluidizing velocity more than 6-10mm/s or receiving
Glass microballoon or quartz sand that appropriate particle diameter is less than 0.192mm are added in rice granules of stannic oxide, to avoid agglomerate, makes tin oxide
What uniform particle disperseed is blown into kiln, and then uniform adhesion forms SnO 2 thin film layer on color sand color film top layer；Tin oxide
It is balanced with the content of vitrified color sand proportioning, should ensure tin oxide particles uniformly, densification be adhered to color film top layer formed it is thin
Film layer, avoid excessively causing agglomerate again, border between obscure particle, influence the scattered quantum to ultraviolet and heat radiation.
Beneficial effects of the present invention are：1st, the flowing production line formed by internal-heated rotary furnace kiln plant prepares vitrified color
Sand, and it is blown into nano tin dioxide stirring film forming, tin oxide by fluid bed to when forming glassy state coloured silk sand outer membrane in dynamic sinter
Uniform particle, it is fine and close be adhered to color film top layer, and sharpness of border between particle, it is big to ultraviolet and the scattered quantum of heat radiation；Again
Nano tin dioxide and zinc oxide painting are added using the coating vitrified color sand, forms tin oxide and zinc oxide theca externa；Tin oxide
Coating surface is adhered to Zinc oxide particles, the external protection coating for formed and block ultraviolet light, reflecting infrared ray, improves vitrified mineral varnish
Uvioresistant and heat-proof quality.2nd, superior in quality using vitrified mineral varnish made of this technique, ageing-resistant and heat-proof quality obtains
Greatly improve, there is the natural, simple and unsophisticated, dazzlingly beautiful, pure and fresh graceful, solid thick and heavy of true mineral varnish, and it is clean environment firendly, light
It is wear-resisting, at the same also have it is firm it is durable, glittering and translucent, color is various, durable more than 40 years of color, the heat-insulated temperature difference is excellent up to 25 DEG C etc.
Point, the present invention is compared with ceramic tile and marble, and more simple and efficient, time saving and energy saving, coating rigid after solidification of constructing can be with
When clean and surface-brightening is smooth, do not soak, be not viscous ash, clean bright, improving the quality and class of construction material.
Embodiment
The preparation technology of a kind of uvioresistant, heat insulation type vitrified mineral varnish, mill base is carried out with glass microballoon or quartz sand successively
The vitrified color sand that parcel, dynamic sinter film forming are formed is base-material, is comprised the following steps：
1. prepare coating vitrified color sand：By vitrified color sand and tin oxide nanoparticles with mass ratio 85-95:15-5 is well mixed,
After 500-900 DEG C of insulation 5-20min, room temperature is naturally cooled to, coating vitrified color sand is formed, is aoxidized in the coating vitrified color sand
Tin nanoparticles mass percent is 5-15%；
2. it is nano oxidized in parts by weight, to weigh 65-84 part coatings vitrified color sand, the clear aqueous emulsion of 5-12 parts, 5-10 parts
Zinc, 2-4 parts nano tin dioxide and 3.5-9 part auxiliary agents, stir, and vitrified mineral varnish is made.
The method that another kind prepares coating vitrified color sand comprises the following steps：
A, mill base is allocated：Inorganic pigment and the aqueous binders of metal oxide sintering quality will be used by grammes per square metre for 1: (1~
3) proportioning is uniformly mixed into pasty state mill base, standby；
B, color is hung：Above mill base is inserted in mixer with base-material and is stirred, until the top layer uniform adhesion mill base of base-material, shape
Into outer casing, the percentage by weight of wherein mill base and base-material is：Mill base：1~5%, base-material：95~99%；
C, dry：The dynamic for hanging the base-material input internal-heated rotary furnace kiln plant after color is dried into kiln body, controls the kiln body rotating speed to be
10~60 revs/min, drying temperature be 50~00 DEG C, heating 10~30min dry to form color film integument；
D, sinter：The base-material of colored film integument is introduced into dynamic sinter in internal-heated rotary furnace kiln after drying, control kiln body turns
Speed is 10~60 revs/min, sintering temperature is 450~1300 DEG C, heats 10~30min, until color film integument and base-material top layer
Reach viscoelastic state simultaneously, form viscoelastic state coloured silk sand outer membrane；Now nano tin dioxide stirring film forming, vitreous are blown into by fluid bed
The ratio of weight and number of color sand and Nano granules of stannic oxide is 90-95：10-5.
Aqueous binders in step a are the cellulose aqueous solutions that concentration is 1~3%.In step d, using glass microballoon as
The temperature control that base-material is sintered is between 450~700 DEG C, and the temperature control being sintered using quartz sand as base-material is 700
Between~1300 DEG C.
In order that final obtained vitrified mineral varnish exterior coating it is more glittering and translucent and meanwhile improve the quality of exterior coating with
Aesthetic, the grain fineness of base-material described in step b are 10~120 mesh.
In order that in stirring more abundant, described step 2., mixer speed is 60~360 revs/min, the time 3
~15 minutes.
Step 2. described in clear aqueous solution be pure acrylic acid or cinnamic acrylic ester copolymerized solution or acetic acid
Ethylene-acrylate copolymers solution.Clear aqueous solution will not impact or destroy to the color of vitrified color sand, make vitreous stone
The color of paint is more distinct bright, and acrylic compounds enhancing adhesive heat resistance, oil resistivity, cold resistance are preferable.
When it is implemented, ● embodiment one：
1. using the cellulose aqueous solution that molar concentration is 1% as aqueous binders, using iron oxide red as toner, by face
Material is matched with cellulose aqueous solution in the ratio that grammes per square metre ratio is 1: 1.5, is placed into agitating device, with 120 turns/min's
Speed stirring 5min forms pasty state mill base；
It is stirred 2. deployed mill base is together inserted in agitating device with quartz sand, agitating device is with 20 turns/min speed
Rate stirs 15min, and now mill base is uniformly wrapped up on the top layer of quartz sand, forms the weight for hanging colored stone sand, wherein mill base and quartz sand
It is 1% to measure percentage：99%；
3. by the drying kiln body for hanging colored stone sand input internal-heated rotary furnace kiln of 95 parts by weight, lower 200 DEG C of 10 turns/min stirrings
10min is dried, the mill base for hanging color quartz sand surface parcel forms color film under dynamic sinter, is then transferred to and is pre-heated to 200 DEG C
Rotary furnace kiln agglomerating plant, the temperature of agglomerating plant is promoted to 900 DEG C under 20 turns/min stirrings, is incubated 10min, now
Vitreous adopts the color film on sand surface and quartz sand top layer while reaches viscoelastic state, and 900 DEG C, insulation 10min accurately controls color film turn
Viscoelastic state is turned to, while causes the top layer in the range of quartz sand surface to 3 μ m thicks to turn into viscoelastic state；Stirring avoids quartz sand
Particle, which is united, influences product quality.It is vitrified color sand that taking-up, which naturally cools to room temperature,；In order to save the energy, in the present embodiment temporarily
Do not cool down, be directly entered following coating step：
4. being blown into the tin oxide of 35 nanometers of 5 parts by weight particle diameter with 60mm/s flow velocity by centrifugal fluidized bed, 800 DEG C are incubated 5 points
Clock, flow nano-stannic oxide uniform particle in whipping process and be adhered to color film top layer formation SnO 2 thin film layer, then take out
Naturally cool to room temperature and form coating vitrified color sand；
5. the coating vitrified color sand of 65 parts by weight, the pure acrylic acid water-based emulsion of 12 parts by weight, the molar concentration of 7 parts by weight is taken to be
3% viscosity is the methocel solutions of 30000 centipoises, 2 parts by weight by coalescents and levelling agent with 1:1 weight compares shape
Into auxiliary addition agent be well mixed, it is 35 nanometers to add zinc oxide, 4 parts by weight particle diameters that 10 parts by weight particle diameters are 35 nanometers
Tin oxide, it is transferred into mixer, is stirred 15 minutes with 160 revs/min of speed, the vitrified mineral varnish of red is made.Finally will
Manufactured vitrified mineral varnish packaging is dispatched from the factory.
● embodiment two：
1. prepare coating vitrified color sand：It it is 30 nanometers by the iron oxide brown vitrified color sand and particle diameter using quartz sand as base-material
Granules of stannic oxide is with mass ratio 90:10 is well mixed, is put into and is pre-heated to 200 DEG C of rotary furnace kiln agglomerating plant, 20 turns/min
The temperature of agglomerating plant is promoted to 880 DEG C under stirring, is incubated 10min, the color film that sand surface is adopted in now vitreous reaches viscoelastic state,
880 DEG C, insulation 10min accurately controls color film and is converted into viscoelastic state, flows nano-stannic oxide uniform particle in whipping process
It is adhered to color film top layer and forms SnO 2 thin film layer, stirring, which avoids quartz sand, and granules of stannic oxide is united influences product quality.
It is coating vitrified color sand that taking-up, which naturally cools to room temperature,；
2. the coating vitrified color sand of 70 parts by weight, the pure acrylic acid water-based emulsion of 11 parts by weight, the molar concentration of 6 parts by weight is taken to be
3% viscosity is the methocel solutions of 30000 centipoises, 1.2 parts by weight by coalescents, levelling agent and preservative with 1:
1:1 weight is well mixed than the auxiliary addition agent of formation, adds zinc oxide, 3.8 parts by weight grains that 8 parts by weight particle diameters are 30 nanometers
Footpath is 30 nanometers of tin oxide, is transferred into mixer, is stirred 15 minutes with 200 revs/min of speed, and the glass of brown is made
Fossil paint.Finally manufactured vitrified mineral varnish packaging is dispatched from the factory.
● embodiment three：1. using molar concentration, chrome yellow is as toner, by pigment and fibre for 2% cellulose aqueous solution
The plain aqueous solution is tieed up to be matched in the ratio that grammes per square metre ratio is 1: 3.It is placed into agitating device, is stirred with 120 turns/min speed
15min forms pasty state mill base；
It is stirred 2. deployed mill base is together inserted in agitating device with glass microballoon, agitating device is with 30 turns/min's
Speed stirs 30min, now the top layer uniform adhesion mill base of glass microballoon, wherein formation outer casing, mill base and glass microballoon
Percentage by weight be：Mill base：3%, glass microballoon：97%；
3. the glass microballoon of 93 parts by weight after extension color is put into the drying kiln body of internal-heated rotary furnace kiln plant, with 100 DEG C
Temperature, drying 30min form color film integument, using 20 turns/min rate synchronization stirring glass microballoon while drying,
Avoiding glass microballoon particle from uniting influences product quality；Enter the agglomerating plant for the revolution stove for being pre-heated to 200 DEG C after drying,
The temperature of agglomerating plant is promoted to 500 DEG C under 20 turns/min stirrings, is incubated 30min, now vitreous adopt the color film on sand surface with
Quartz sand top layer reaches viscoelastic state simultaneously, and 500 DEG C, insulation 30min accurately controls color film and is converted into viscoelastic state, while causes glass
Top layer in the range of glass bead surface to 3 μ m thicks turns into viscoelastic state；
4. the particle diameters of 7 parts by weight is blown into as 25 nanometers of tin oxide by the fluid bed that audio frequency is 120HZ using 50mm/s flow velocity,
Insulation 15 minutes, flow nano-stannic oxide uniform particle in whipping process and be adhered to color film top layer formation SnO 2 thin film layer,
Then take out and naturally cool to room temperature formation coating vitrified color sand；
5. by the coating vitrified color sand of 75 parts by weight, vinyl acetate-acrylic ester copolymer solution of 8.5 parts by weight, 4.5 parts by weight
Concentration be 2% viscosity be the methocel solution of 40000 centipoises, 1.5 parts by weight by coalescents, levelling agent, anti-
Rotten agent, suspending agent are with 1:1:1:The 1 auxiliary material mixing formed；The particle diameter for adding 7 parts by weight is 25 nanometers of zinc oxide, 3.5 weights
The particle diameter for measuring part is 25 nanometers of tin oxide, inserts in mixer and is stirred, mixer is stirred with 200 revs/min of speed
20 minutes vitrified mineral varnishs that yellow is made.Finally manufactured vitrified mineral varnish packaging is dispatched from the factory；
● example IV：Red coating vitrified color sand is prepared by the method for embodiment one.By the coating vitreous of 80.4 parts by weight
The viscosity that color sand, the pure acrylic acid water-based emulsion of 5 parts by weight, the concentration of 3 parts by weight are 3% is that the methyl of 30000 centipoises is fine
Tie up plain solution, 0.6 parts by weight by coalescents, levelling agent, preservative with 1:1:1 auxiliary addition agent formed is well mixed, then
The parts by weight of tin oxide 2, the parts by weight of zinc oxide 9 that particle diameter is 35 nanometers are added, are transferred into mixer, with 200 revs/min
Speed stirs 25 minutes, and the vitrified mineral varnish of red is made.Finally manufactured vitrified mineral varnish packaging is dispatched from the factory.
● embodiment five：The coating vitrified color sand of iron oxide brown is prepared by the method for embodiment two.By 81 parts by weight
The viscosity that the coating vitrified color sand, the pure acrylic acid water-based emulsion of 6 parts by weight, the concentration of 3 parts by weight are 3% is 30000 lis
The methocel solution of pool, 1 parts by weight by coalescents, levelling agent, preservative with 1:1:The 1 auxiliary addition agent mixing formed
Uniformly, add particle diameter be 30 nanometers the parts by weight of tin oxide 4, the parts by weight of zinc oxide 5, be transferred into mixer, with 180 turns/
The speed of minute stirs 25 minutes, and the vitrified mineral varnish of iron oxide brown is made.Finally manufactured vitrified mineral varnish packaging is dispatched from the factory.
● embodiment six：Red coating vitrified color sand is prepared by the method for embodiment one.By the coating of 78 parts by weight
The viscosity that vitrified color sand, the pure acrylic acid water-based emulsion of 7 parts by weight, the concentration of 5 parts by weight are 3% is the first of 30000 centipoises
Base cellulose solution, 2 parts by weight by coalescents, levelling agent, preservative with 1:1:1 auxiliary addition agent formed is well mixed,
The parts by weight of tin oxide 3, the parts by weight of zinc oxide 5 that particle diameter is 30 nanometers are added, are transferred into mixer, with 210 revs/min
Speed stir 18 minutes, be made red vitrified mineral varnish.Finally manufactured vitrified mineral varnish packaging is dispatched from the factory.
● embodiment seven：Coating vitrified color sand is prepared by the method for embodiment three.By the coating vitrified color of 84 parts by weight
The viscosity that sand, the pure acrylic acid water-based emulsion of 5 parts by weight, the concentration of 3.4 parts by weight are 3% is that the methyl of 30000 centipoises is fine
Tie up plain solution, 0.6 parts by weight by coalescents, levelling agent, preservative with 1:1:1 auxiliary addition agent formed is well mixed, then
The parts by weight of tin oxide 2, the parts by weight of zinc oxide 5 that particle diameter is 30 nanometers are added, are transferred into mixer, with 200 revs/min
Speed stirs 25 minutes, and vitrified mineral varnish is made.Finally manufactured vitrified mineral varnish packaging is dispatched from the factory.
● embodiment eight：Coating vitrified color sand is prepared by the method for embodiment one.By the coating vitrified color of 76 parts by weight
The viscosity that sand, the pure acrylic acid water-based emulsion of 7 parts by weight, the concentration of 3 parts by weight are 3% is the Methyl cellulose of 30000 centipoises
Plain solution, 1 parts by weight by coalescents, levelling agent, preservative with 1:1:1 auxiliary addition agent formed is well mixed, and is added
The parts by weight of tin oxide 3, the parts by weight of zinc oxide 10 that particle diameter is 30 nanometers, are transferred into mixer, with 180 revs/min of speed
Stirring 25 minutes, the vitrified mineral varnish of red is made.Finally manufactured vitrified mineral varnish packaging is dispatched from the factory.
By the vitrified mineral varnish coating of embodiment one to embodiment eight and certain exterior coating according to JGT24-2000《Synthetic resin
Emulsion sand textured building coating》Standard carry out performance test, abrasion resistance by GB/T9266-88 methods measure.The model temperature difference is examined
Survey method：8 360mm × 360mm × 30mm thermal conductivity factors are done in 0 .3W/ (cmK) temperature measurement box, thermometric with XPS extruded sheets
The internal diameter of case is 300mm × 300mm, and thermometric test plate (panel) is installed at top；Thermometric test plate (panel) is 8 360mm × 360mm × 10mm cement
Asbestos board, wherein the vitrified mineral varnish (thickness is 0 .7mm) of 7 coating embodiment of the present invention 1~7,1 coating commercial coating
(thickness is 0 .7mm) is as control.After being dried 28 days in the environment of being 25 DEG C in temperature, it is installed at the top of temperature measurement box, coating
Finish coat is sealed around outwardly, and interior temperature probe is inserted in temperature measurement box, is fixed on the center of test plate (panel) inner surface, sealing
Temperature-measuring port.Outer temperature probe is fixed on external coating.200W heating lamp is set to switch on power and add apart from thermometric test plate (panel) 30cm
Heat records the displays temperature of inside and outside temperature probe, calculates the heat-insulated temperature difference after 5 hours.Table 1 lists coating obtained by the present invention
With the performance test results of certain commercial coating.
Table 1 is embodiment 1-7 and the performance test results contrast table of certain commercial coating
As can be seen from Table 1, it is without exception to impregnate 480h-530h in water for coating of the invention, and commercial coating is being soaked
There is metachromatism after 150h；In strong alkali solution, coating of the invention dipping 280h-380h is without exception, and city
Sell coating and occur obvious metachromatism during 80h in strong alkali solution；Abrasion resistance result of the test shows, coating of the present invention it is resistance to
Ability is scrubbed up to 10000-15000 times, and the washability ability of commercial coating only has 5000 times；The temperature variation resistant of coating of the present invention
Property test result show that it goes to refrigerator from baking box and so circulates 30-45 times back and forth without any exception, and commercial coating is back and forth
Circulation 15 times, its performance is then begun to decline.Artificial weathering ageing resistance's test result of coating of the present invention shows, painting of the invention
Expect resistance to artificial climate 2100-2500h it is non-foaming, do not fade, do not occur bad phenomenon, surveyed according to upper table artificial ageing resistance
Try data to understand, coating vitrified color sand content is to influence the principal element of mineral varnish coating artificial weathering ageing resistance, its content
Higher, the artificial ageing resistance of mineral varnish coating is better；The content of uvioresistant composition nano tin dioxide and zinc oxide is to influence to be somebody's turn to do
An important factor for mineral varnish coating artificial weathering ageing resistance, both summation contents are higher, the artificial ageing resistance of mineral varnish coating
Better.And commercial coating 700h under artificial climate starts bubble, the performance of coating is influenceed.The heat-insulated temperature difference of coating of the present invention
Testing experiment result shows that coating of the invention has good effect of heat insulation, and its heat-insulated temperature difference is 17-25 DEG C, much larger than city
Coating is sold, its crucial uvioresistant, heat-insulated composition are tin oxide and zinc oxide, and the content of tin oxide and zinc oxide is more and grain
Its smaller uvioresistant of footpath and heat-proof quality are better.
Claims (10)
1. the preparation technology of a kind of uvioresistant, heat insulation type vitrified mineral varnish, mill base bag is carried out with glass microballoon or quartz sand successively
Wrap up in, the vitrified color sand that dynamic sinter film forming is formed is base-material, it is characterised in that the technique comprises the following steps：
1. prepare coating vitrified color sand：By vitrified color sand and tin oxide nanoparticles with mass ratio 85-95:15-5 is well mixed,
After 500-900 DEG C of insulation 5-20min, room temperature is naturally cooled to, coating vitrified color sand is formed, is aoxidized in the coating vitrified color sand
Tin nanoparticles mass percent is 5-15%；
2. it is nano oxidized in parts by weight, to weigh 65-84 part coatings vitrified color sand, the clear aqueous emulsion of 5-12 parts, 5-10 parts
Zinc, 2-4 parts nano tin dioxide and 3.5-9 part auxiliary agents, stir, and vitrified mineral varnish is made.
2. a kind of uvioresistant according to claim 1, the preparation technology of heat insulation type vitrified mineral varnish, it is characterised in that institute
Stating method prepared by coating vitrified color sand is：Borrowed in glass microballoon or quartz sand dynamic sinter to formation viscoelastic state coloured silk sand outer membrane
Help fluid bed to be blown into nano tin dioxide stirring film forming, naturally cool to room temperature；The weight of vitrified color sand and Nano granules of stannic oxide
Portion rate is 90-95：10-5.
3. a kind of uvioresistant according to claim 1 or 2, the preparation technology of heat insulation type vitrified mineral varnish, it is characterised in that：
The dynamic sinter coloring process be using glass microballoon or quartz sand as base-material, by internal-heated rotary furnace kiln plant, formed with
The dynamic high temperature Fast Sintering environment of heat is spread at stove center for collection focus, to stove wall, and base-material is burnt in environment above
It is knotted color and forms vitrified color sand, concretely comprises the following steps：
A, mill base is allocated：Inorganic pigment and the aqueous binders of metal oxide sintering quality will be used by grammes per square metre for 1: (1~3)
Proportioning be uniformly mixed into pasty state mill base, it is standby；
B, color is hung：Above mill base is inserted in mixer with base-material and is stirred, until the top layer uniform adhesion mill base of base-material, shape
Into outer casing, the percentage by weight of wherein mill base and base-material is：Mill base：1~5%, base-material：95~99%；
C, dry：The dynamic for hanging the base-material input internal-heated rotary furnace kiln plant after color is dried into kiln body, controls the kiln body rotating speed to be
10~60 revs/min, drying temperature be 50~200 DEG C, heating 10~30min dry to form color film integument；
D, sinter：The base-material of colored film integument is introduced into dynamic sinter in internal-heated rotary furnace kiln after drying, control kiln body turns
Speed is 10~60 revs/min, sintering temperature is 450~1300 DEG C, heats 10~30min, until color film integument and base-material top layer
Reach viscoelastic state simultaneously, form glassy state coloured silk sand outer membrane.
4. a kind of uvioresistant according to claim 1, the preparation technology of heat insulation type vitrified mineral varnish, it is characterised in that：Institute
It is that pure acrylic acid or cinnamic acrylic ester copolymerized solution or vinyl acetate-acrylic ester copolymer are molten to state clear aqueous emulsion
Liquid.
5. a kind of uvioresistant according to claim 1, the preparation technology of heat insulation type vitrified mineral varnish, it is characterised in that：Institute
It is that the mixing formed by least two auxiliary agents in four kinds of coalescents, levelling agent, preservative, suspending agent auxiliary agents helps to state auxiliary agent
Agent.
6. a kind of uvioresistant according to claim 1, the preparation technology of heat insulation type vitrified mineral varnish, it is characterised in that：Institute
The thickener stated is the methocel solution that concentration is 1~3%, and the viscosity of solution is 30000~50000 centipoises.
7. a kind of uvioresistant according to claim 3, the preparation technology of heat insulation type vitrified mineral varnish, it is characterised in that：Institute
The aqueous binders stated are the cellulose aqueous solutions that concentration is 1~3%.
8. a kind of uvioresistant according to claim 2, the preparation technology of heat insulation type vitrified mineral varnish, it is characterised in that：Institute
State fluid bed be centrifugal fluidized bed or vibrated fluidized bed or audio frequency be 100-120HZ, fluidizing velocity be more than 6-10mm/s installation
There is the fluid bed that system occurs for sound wave.
9. a kind of uvioresistant according to claim 2, the preparation technology of heat insulation type vitrified mineral varnish, it is characterised in that：Institute
The glass microballoon or quartz sand for being less than 0.192mm in Nano granules of stannic oxide added with particle diameter are stated, nano tin dioxide is micro- with glass
The weight of pearl or quartz sand ratio is 7-15:1.
10. the preparation technology of a kind of uvioresistant, heat insulation type vitrified mineral varnish according to claim any one of 1-9, it is special
Sign is：The tin oxide and zinc oxide are the spherical nano-particle that particle diameter is less than 40nm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110156365A (en) * | 2019-05-31 | 2019-08-23 | 常州红橙彩砂有限公司 | A kind of reflective insulation color sand, preparation method and application |
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| US6277187B1 (en) * | 1998-03-16 | 2001-08-21 | Sumitomo Metal Mining Co., Ltd. | Film for cutting off heat rays and a coating liquid for forming the same |
| CN103351757A (en) * | 2013-07-02 | 2013-10-16 | 浙江大学 | Water-based transparent heat-insulating paint used for energy-saving doors and windows and preparation method thereof |
| CN104356810A (en) * | 2014-11-21 | 2015-02-18 | 苏州大乘环保建材有限公司 | Reflective thermal insulation real stone paint |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6277187B1 (en) * | 1998-03-16 | 2001-08-21 | Sumitomo Metal Mining Co., Ltd. | Film for cutting off heat rays and a coating liquid for forming the same |
| CN103351757A (en) * | 2013-07-02 | 2013-10-16 | 浙江大学 | Water-based transparent heat-insulating paint used for energy-saving doors and windows and preparation method thereof |
| CN104356810A (en) * | 2014-11-21 | 2015-02-18 | 苏州大乘环保建材有限公司 | Reflective thermal insulation real stone paint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110156365A (en) * | 2019-05-31 | 2019-08-23 | 常州红橙彩砂有限公司 | A kind of reflective insulation color sand, preparation method and application |
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Effective date of abandoning: 20200811 |