CN107140874A - A kind of aqueous machine sprays true mineral varnish and preparation method thereof - Google Patents
A kind of aqueous machine sprays true mineral varnish and preparation method thereof Download PDFInfo
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- CN107140874A CN107140874A CN201710334492.1A CN201710334492A CN107140874A CN 107140874 A CN107140874 A CN 107140874A CN 201710334492 A CN201710334492 A CN 201710334492A CN 107140874 A CN107140874 A CN 107140874A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/06—Acrylates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
- C04B2111/542—Artificial natural stone
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention provides a kind of aqueous machine and sprays true mineral varnish and preparation method thereof, including following raw material components, and the percentage by weight of each component is：Water-based acrylic resin 10 20%；Aqueous cosolvent 1 5%；Polyacrylamide solution 1 5%；Hydroxyethyl cellulose 0.1 2%；Aqueous defoamer 0.01 2%；Color sand 60 80%；Aqueous thickener rheology agent 0.1 2%；PH adjusting agent 0.01 2%；Deionized water surplus.The water-based exterior wall machine that the present invention is obtained sprays true mineral varnish and is adapted to full-automatic paint spraying machine and semi-automatic screw pump paint spraying machine, machine spraying construction atomizing effect and surface tactile sensation are good, color and limp speed can be adjusted according to coating needs thickness, it is without exception that 144h is immersed in the water after 12 hours in spray paint, paint film water-whitening resistance at initial stage can be good, meets safe and environment-friendly, power conservation requirement and is conducive to health of human body, and spray efficiency is high, cost is low, is adapted to industrialized production.
Description
Technical field
The present invention relates to true mineral varnish field, specifically disclose a kind of aqueous machine and spray true mineral varnish and preparation method thereof.
Background technology
True mineral varnish, decorative effect exactly likes marble, also referred to as granite, liquid stone multicolor finish.It is exclusively used in external wall matter
Feel effect finish paint, be very powerful and exceedingly arrogant in the true mineral varnish in decorative exterior wall field at present, its imitation stone effect is true to nature, and cost is relative to Dali
Stone, granite cost is with the obvious advantage.And true mineral varnish uses natural colour sand as raw material, good weatherability, hardness is high, nondiscolouring.
Turn into the main product of decoration of exterior wall.
In true mineral varnish market domestic now, engineering site construction occupies the absolutely main force of whole true mineral varnish, and with true stone
The drawbacks of large-area construction of lacquerer's journey, many site operations true mineral varnish, also increasingly highlights.The row that JG/T24-2000 is formulated
Industry standard threshold is relatively low, and market is more chaotic.The easy blown sands loss of construction spraying is serious, and it accounts for unit area construction when being lost high
About 1/3rd of amount.And because workmen's construction gimmick differs, it is later that its decorative effect directly affects true mineral varnish
Development.And the use that water-based exterior wall machine sprays true mineral varnish integrated board can be very good to solve these problems.
The true mineral varnish popularity rate of water-based exterior wall machine spray in the market is not high, and automatic spraying equipment quality also differs；How
Design and adapt to the true mineral varnish formulas of different automatic spraying equipments and be particularly important.Because true mineral varnish raw material is single, it can
Selective kind is also few.Based on some of the above reason, water-based exterior wall machine sprays true mineral varnish matches somebody with somebody compared with common exterior wall true stone paint
Square design requirement is higher, and it should ensure original true mineral varnish in drying time, hardness, weatherability, water-whitening resistance at initial stage, colour retention
In terms of characteristic can meet again different automatic spraying machine device equipment spraying application requirement (how to ensure limp speed,
True mineral varnish is met again and possesses enough atomizing effects in itself, just can guarantee that the consistent of the integral plate face effect sprayed out and color
Property).Because of the color sand containing 70-80% or so in true mineral varnish system, color sand proportion is about between 1.7-2.The true mineral varnish formula of tradition
The hydroxyethyl cellulose of substantial amounts of HMW is needed to be used for ensureing color sand in the anti-settling of system.This true mineral varnish system itself is special
Point result in that aqueous true mineral varnish atomizing effect is poor, and stability is low.
The content of the invention
It is an object of the invention to the defect for overcoming prior art, there is provided a kind of true mineral varnish of aqueous machine spray and its preparation side
Method, the machine sprays true mineral varnish and can be applied to finish paint, and recyclable repeatable spraying, atomizing effect is good, excellent in stability.
In order to realize object above and other purposes, the present invention including following technical scheme by realizing：A kind of water
Property machine spray true mineral varnish, it is characterised in that including following raw material components, the percentage by weight of each component is：
Preferably, the machine, which sprays true mineral varnish, includes following raw material components, and the percentage by weight of each component is：
It is made up of it is highly preferred that the machine sprays true mineral varnish the raw material components of following percentage by weight：
Preferably, the machine, which sprays true mineral varnish, also includes magnesium silicate aluminium powder, the magnesium silicate aluminium powder and the water soluble acrylic acid
The weight ratio of resin is (0.1-7)：(10-20).Magnesium silicate aluminium powder plays a part of auxiliary rheological agents, scattered, brokenly bubble, dilution, makes
True mineral varnish has the mobility of height, and possesses good surface moist.
Preferably, the water-based acrylic resin is waterborne polyurethane modified water-based acrylic resin, the aqueous acrylamide
The solid content of acid resin is 44-52%.
It is highly preferred that the water-based acrylic resin manufacturer is that Ahmedabad is rich, consolidating for the water-based acrylic resin contains
Measure as 48-50%, molecular weight ranges are 30000-50000, viscosity is not more than 80MPa/s, and with splendid weatherability, just
The high advantage of bletilla construction tolerance that phase is water-fast.
Preferably, the mass fraction of the polyacrylamide solution is 0.1-0.7%, the polyacrylamide solution
The molecular weight of middle polyacrylamide is 2,000,000-300 ten thousand.
Match somebody with somebody it is highly preferred that the polyacrylamide solution is well mixed by analytically pure polyacrylamide with deionized water
System is formed, in process for preparation, and the temperature of deionized water is preferably 30-45 DEG C.
Preferably, the aqueous thickener rheology agent is the swollen class thickener rheology agent of the hydrophobic alkali soluble of low alkali.
It is highly preferred that the model LG-DOW company DR-77 of the aqueous thickener rheology agent.
Preferably, the defoamer is modified any one or more in defoamer selected from organosilicon, mineral oil and polyethers.
It is highly preferred that mineral oil is modified the model DF-877 or DF-840 of defoamer；Polyethers are modified defoamer model
For L-61, BX-106107108 or DS-2001.
Preferably, the aqueous cosolvent is alcohol ester solvent.The aqueous cosolvent of present invention addition is increase water soluble acrylic acid
The construction sprayability and film formation at low temp performance of resin.
It is highly preferred that the aqueous cosolvent is selected from propane diols, glycerine, propylene glycol methyl ether acetate and 2,2,4- front threes
Any one or more in the pentanediol mono isobutyrate of base -1,3.
It is highly preferred that the aqueous cosolvent by TEX and propane diols according to weight ratio (0.5-1.5)：(0.5-1.5) is mixed
Form.TEX is a kind of ester alcohol coalescents of Yi Shi Man, with volatilize it is slow the characteristics of, addition TEX can increase true mineral varnish
Film formation at low temp, color developing and storage stability.
Preferably, the hydroxyethyl cellulose is hydrophobically modified association type hydroxyethyl cellulose.Hydroxyethyl cellulose is to anti-
Only coating cracking, raising water-retaining property, the stability of raising production and the conformance of construction, increase intensity, enhancing are to the attached of surface
Put forth effort etc. to have good effect.The water holding capacity of hydroxyethyl cellulose is better than other celluloses.And its mobile performance and Protection glue
Body performance will be much better than other celluloses.
It is highly preferred that the hydroxyethyl cellulose is selected from Clariant HS30000 hydroxyethyl celluloses or HS100000 hydroxyl second
Base cellulose.
Preferably, the pH regulations auxiliary agent is alkaline conditioner, preferably with amine pH regulation auxiliary agents.
It is highly preferred that the pH adjusts the model AMP-95 or HX-6130 of auxiliary agent.
Preferably, the color sand is selected from the natural color stone sand that Hebei is produced.
Preferably, the color sand by the color sand of the color sand of 40-80 mesh and 80-120 mesh according to weight ratio (2.5-3.2)：(0.8-
1.2) mix.The true mineral varnish of machine spray wants mesh number based on 40-80 mesh in the present invention, to support the thickness and spraying smoothness of coating
Property.
On the other hand, prepare the method that aqueous machine as described above sprays true mineral varnish invention additionally discloses a kind of, it include with
Lower step：
1) carried out using following A modes or B modes：
A, under 400-600r/min stirring conditions, according to percentage by weight successively by the deionized water, the hydroxyl second
In base cellulose and aqueous defoamer input a mixing bowl, mixing speed is improved to 600-800r/min, is stirred, then is added
Enter the pH adjusting agent, mixing speed is risen into 800-1200r/min, stir；
B, under 400-600r/min stirring conditions, according to percentage by weight successively by the deionized water, the hydroxyl second
In base cellulose, the auxiliary rheological agents magnesium silicate aluminium powder and aqueous defoamer input a mixing bowl, mixing speed is improved extremely
600-800r/min, is stirred, and adds the pH adjusting agent, and mixing speed is risen into 800-1200r/min, and stirring is equal
It is even；
2) mixing speed is down to 400-600r/min, it is water-soluble to sequentially add the polyacrylamide according to percentage by weight
Liquid, the aqueous cosolvent and the water-based acrylic resin, then rise to 800-1200r/min by mixing speed, and stirring is equal
It is even；
3) mixing speed is down to 400-600r/min, the aqueous thickener rheology agent is sequentially added according to percentage by weight
With the color sand, stir, obtain aqueous machine and spray true mineral varnish.
In summary, the present invention provides true mineral varnish of a kind of aqueous machine spray and preparation method thereof, beneficial effects of the present invention：
The water-based exterior wall machine that the present invention is obtained sprays true mineral varnish and is adapted to full-automatic paint spraying machine and semi-automatic screw pump paint spraying machine, machine
Spraying construction atomizing effect and surface tactile sensation are good, and color and limp speed can be adjusted according to coating needs thickness, in spray
Paint that to be immersed in the water 144h after 12 hours without exception, paint film water-whitening resistance at initial stage can be good, meets safe and environment-friendly, power conservation requirement
And being conducive to health of human body, spray efficiency is high, and cost is low, is adapted to industrialized production.
Embodiment
The present invention is expanded on further with reference to embodiment.It should be understood that embodiment is merely to illustrate the present invention, and it is unrestricted
The scope of the present invention.
Inventive formulation design pigment volume concentration (PVC) (PVC) is about in 60-80% or so.Because color sand content is high, shape is not
Rule, under conditions of certain grain size distribution, dried true mineral varnish is generally greater than on critical pigment volume concentration (CPVC).
True mineral varnish is hardly formed the special network structure system of complete densification.Therefore how fully using the aqueous acrylamide yogurt in formula
Liquid and auxiliary rheological agents (such as cellulose, magnesium silicate aluminium powder, polyacrylamide (PAM)) machine is sprayed true mineral varnish construction and homogeneous film formation and
Initial stage is resistance to water-white to be particularly important.Emulsion choice relation is resistance to water-white to the weatherability of product and initial stage for true mineral varnish system
Deng key performance.And construction of the selection application of auxiliary rheological agents to true mineral varnish plays a key effect.
Waterborne polyurethane modified aqueous acrylic emulsion, with excellent permeability and weatherability, the clear high glaze of film forming.
The water-based exterior wall machine prepared with waterborne polyurethane modified water-based acrylic resin sprays true mineral varnish good combination property, and intensity is high, weather-proof
Property good, easily construction, shock resistance is good, and initial stage, water-whitening resistance can be good, and full-automatic and semiautomatic loading mechanism spray paint spraying machine can be adapted to completely.
Depending on consumption and color sand consumption of the species and consumption of cellulose of the present invention according to modified acrylic acid emulsion.Due to this
The true mineral varnish of money mainly uses machine spraying construction.It is required that cellulose should ensure that product storage considers the fluency of machine spraying construction again.
The addition of cellulose is 0.1~2%, it is preferable that the addition of cellulose is 0.1~0.5%, it is further preferred that fiber
The addition of element is 0.1~0.2%.And cellulose need to be slowly added in the case of stirring.The cellulose that the present invention is selected
It is any one in hydroxyethyl cellulose, model Clariant HS30000.
Aluminium-magnesium silicate has difference with unique three dimensions chain structure and special pin, rhabdolith structure
Ordinary colloid and absorption property.Shaken with its excellent thickening property, suspension, colloid and melt performance and be widely used in coating row
Industry.The effect of anti-settling thickener is primarily served in true mineral varnish.The addition of aluminium-magnesium silicate is 0.1-7%, it is further preferred that
The addition of aluminium-magnesium silicate is 3-5%；
PAM primarily serve reduction liquid between frictional resistance, thickening effect, addition the PAM aqueous solution cause true mineral varnish
There is the refreshing rifle of spraying, easily construction and wet face.PAM used in amounts will be controlled strictly.Mass fraction is 0.1-0.7%'s
The weight addition of the PAM aqueous solution is 1-5%, it is further preferred that polyacrylamide is pure for the analysis of molecular weight 3,000,000, weight
The weight addition for measuring the PAM aqueous solution that fraction is 0.2% is 1-2%.
Technical scheme is illustrated with reference to specific embodiment.
The content in table 1 being each raw material components in the proportioning of each raw material components in embodiment 1~7, table is parts by weight.
The weight proportion of each raw material components in the embodiment 1~7 of table 1
In table 1, aqueous cosolvent is by TEX and propane diols according to weight ratio 1:1 mixes；Color sand is by 40-80 mesh Hebei
The color sand in Hebei of color sand and 80-120 mesh compares 3 according to weight：1 mixes.
Embodiment 1
A kind of machine sprays the preparation method of true mineral varnish, comprises the following steps：
1) under 400r/min stirring conditions, 13.95kg deionized waters is put into a mixing bowl, 0.15kg hydroxyls are slowly added to
Ethyl cellulose (HS30000), adds 0.05kg aqueous defoamers (NXZ), improves mixing speed to 700r/min, stirring
6min, adds 0.1kg pH adjusting agents (AMP-95), and mixing speed rises to 1000r/min, stirs 7min；
2) mixing speed is down to 400r/min, it is 0.2% polyacrylamide solution to add 1.5kg weight fractions, so
The aqueous cosolvents of 1.5kg are added afterwards, 12.5kg water-based acrylic resins (Ahmedabad richness RS-706) are added, then by mixing speed
1000r/min is risen to, 15min is stirred；
3) mixing speed is down to 400r/min, sequentially adds the aqueous thickener rheology agents of 0.15kg (DR50) and 70kg is color
Sand, stirs 10min, obtains aqueous machine and sprays true mineral varnish.
Embodiment 2
A kind of machine sprays the preparation method of true mineral varnish, comprises the following steps：
1) under 400r/min stirring conditions, 14kg deionized waters is put into a mixing bowl, 0.1kg ethoxys are slowly added to
Cellulose (HS100000), adds 0.05kg aqueous defoamers (NXZ), improves mixing speed to 700r/min, stirs 6min,
0.1kg pH adjusting agents (AMP-95) are added, mixing speed rises to 1000r/min, stirs 7min；
2) mixing speed is down to 400r/min, it is 0.2% polyacrylamide solution to add 1.5kg weight fractions, so
The aqueous cosolvents of 1.5kg are added afterwards, 12.5kg water-based acrylic resins (Ahmedabad richness RS-706) are added, then by mixing speed
1000r/min is risen to, 20min is stirred；
3) mixing speed is down to 400r/min, sequentially adds aqueous thickener rheology agents of 0.15kg (DR50), 0.1kg and kill
The color sand of microbial inoculum (OIT) and 70kg, stirs 13min, obtains aqueous machine and sprays true mineral varnish.
Embodiment 3
A kind of machine sprays the preparation method of true mineral varnish, comprises the following steps：
1) under 400r/min stirring conditions, 10.95kg deionized waters is put into a mixing bowl, 0.15kg hydroxyls are slowly added to
Ethyl cellulose (HS30000) and 3kg magnesium silicates aluminium powder (ATT40), add 0.05kg aqueous defoamers (NXZ), raising is stirred
Speed is mixed to 700r/min, 5min is stirred, adds 0.1kg pH adjusting agents (AMP-95), mixing speed rises to 1000r/min,
Stir 8min；
2) mixing speed is down to 400r/min, it is 0.2% polyacrylamide solution to add 1.5kg weight fractions, so
The aqueous cosolvents of 1.5kg are added afterwards, 12.5kg water-based acrylic resins (Ahmedabad richness RS-706) are added, then by mixing speed
1000r/min is risen to, 15min is stirred；
3) mixing speed is down to 400r/min, sequentially adds aqueous thickener rheology agents of 0.15kg (DR50), 0.1kg and kill
The color sand of microbial inoculum (OIT) and 70kg, stirs 13min, obtains aqueous machine and sprays true mineral varnish.
Embodiment 4
A kind of machine sprays the preparation method of true mineral varnish, comprises the following steps：
1) under 400r/min stirring conditions, 11kg deionized waters is put into a mixing bowl, 0.1kg ethoxys are slowly added to
Cellulose (HS100000) and 3kg magnesium silicates aluminium powder (ATT40), add 0.05kg aqueous defoamers (NXZ), improve stirring speed
Degree stirs 5min, adds 0.1kg pH adjusting agents (AMP-95), mixing speed rises to 1000r/min to 700r/min, stirs
7min；
2) mixing speed is down to 400r/min, it is 0.2% polyacrylamide solution to add 1.5kg weight fractions, so
The aqueous cosolvents of 1.5kg are added afterwards, 12.5kg water-based acrylic resins (Ahmedabad richness RS-706) are added, then by mixing speed
1000r/min is risen to, 15min is stirred；
3) mixing speed is down to 400r/min, sequentially adds aqueous thickener rheology agents of 0.15kg (DR50), 0.1kg and kill
The color sand of microbial inoculum (OIT) and 70kg, stirs 12min, obtains aqueous machine and sprays true mineral varnish.
Embodiment 5
A kind of machine sprays the preparation method of true mineral varnish, comprises the following steps：
1) under 400r/min stirring conditions, 5.6kg deionized waters is put into a mixing bowl, 0.15kg hydroxyl second is slowly added to
Base cellulose (HS30000) and 5kg magnesium silicates aluminium powder (ATT40), add 0.05kg aqueous defoamers (NXZ), improve stirring
Speed stirs 6min, adds 0.1kg pH adjusting agents (AMP-95), mixing speed rises to 1000r/min, stirs to 700r/min
Mix 8min；
2) mixing speed is down to 400r/min, then adds the aqueous cosolvents of 1.5kg, add 12.5kg aqueous acrylamides
Acid resin (Ahmedabad richness RS-706), then rises to 1000r/min by mixing speed, stirs 20min；
3) mixing speed is down to 400r/min, sequentially adds 0.1kg bactericide (OIT) and 75kg coloured silk
Sand, stirs 12min, obtains aqueous machine and sprays true mineral varnish.
Embodiment 6
A kind of machine sprays the preparation method of true mineral varnish, comprises the following steps：
1) under 400r/min stirring conditions, 5.6kg deionized waters is put into a mixing bowl, 0.15kg hydroxyl second is slowly added to
Base cellulose (HS100000) and 5kg magnesium silicates aluminium powder (ATT40), add 0.05kg aqueous defoamers (NXZ), improve stirring
Speed stirs 6min, adds 0.1kg pH adjusting agents (AMP-95), mixing speed rises to 1000r/min, stirs to 700r/min
Mix 8min；
2) mixing speed is down to 400r/min, then adds the aqueous cosolvents of 1.5kg, add 12.5kg aqueous acrylamides
Acid resin (Ahmedabad richness RS-706), then rises to 1000r/min by mixing speed, stirs 20min；
3) mixing speed is down to 400r/min, sequentially adds 0.1kg bactericide (OIT) and 75kg coloured silk
Sand, stirs 12min, obtains aqueous machine and sprays true mineral varnish.
Embodiment 7
A kind of machine sprays the preparation method of true mineral varnish, comprises the following steps：
1) under 400r/min stirring conditions, 10.45kg deionized waters is put into a mixing bowl, 0.3kg hydroxyls are slowly added to
Ethyl cellulose (HS30000), adds 0.05kg aqueous defoamers (NXZ), improves mixing speed to 700r/min, stirring
5min, adds 0.1kg pH adjusting agents (AMP-95), and mixing speed rises to 1000r/min, stirs 8min；
2) mixing speed is down to 400r/min, then adds the aqueous cosolvents of 1.5kg, add 12.5kg aqueous acrylamides
Acid resin (Ahmedabad richness RS-706), then rises to 1000r/min by mixing speed, stirs 12min；
3) mixing speed is down to 400r/min, sequentially adds 0.1kg bactericide (OIT) and 75kg coloured silk
Sand, stirs 12min, obtains aqueous machine and sprays true mineral varnish.
Testing result
Embodiment 1 to 7 is obtained into the true mineral varnish of aqueous machine spray using full-automatic paint spraying machine or semi-automatic screw pump paint spraying machine to enter
Row spraying, then according to JG/T24-2000《SAND SLURRY SYNTHETIC EMULSION ARCHITECTURAL COATINGS》The performance of true mineral varnish is sprayed to aqueous machine
Detected, testing result is as shown in table 2.
The aqueous machine that the embodiment 1 to 4 of table 2 is obtained sprays the performance test results of true mineral varnish
The aqueous machine that the embodiment 5 to 7 of table 3 is obtained sprays the performance test results of true mineral varnish
Embodiment 1 to 7 obtains the performance test results of the true mineral varnish of machine spray as can be seen that embodiment 1 to 7 from table 2 and table 3
Acquisition machine sprays true mineral varnish pH between 8-9, meets examination criteria.Tank inside courtyard stir after without big difference.From water-fast
From the point of view of property testing result, the water resistance of embodiment 7 is worst, next to that the dry rear color of embodiment 4 is varied slightly.Other embodiments are applied
It is substantially unchanged that layer parches rear color.Also illustrate that cellulose has stronger water imbibition simultaneously, its use is the true mineral varnish of influence
The key factor of water resistance.Embodiment 7 dry compared with other embodiments dry it is slower, the water-retaining property of cellulose is main among these
Reason.
Workability is the key of the present invention in table 2 and table 3, is also the key that the aqueous machine of influence sprays true mineral varnish.Slave sprays
From the point of view of limp continuity, atomizing effect and machine spray surface effect, the comprehensive score highest of embodiment 3, other embodiments occur
Different degrees of disconnected rifle phenomenon.This is also the key factor of influence machine spray surface effect and limp speed.The initial stage of embodiment 3 is resistance to
Water-white and two comprehensive scores of high/low temperature aberration also highest.That is from the comprehensive score and client's service condition of workability
From the point of view of, the present invention is to comply fully with the embodiment on full-automatic and semi-automatic paint spraying machine.
In summary, the aqueous machine for preparing of the present invention sprays true mineral varnish and overcomes that machine spraying atomization is poor, and spraying breaks rifle etc. no
Foot, and the spraying recyclable recycling of bulk cargo.Indoor construction turn avoid the negative effect that rainy weather is brought.Substantially increase
Aqueous machine sprays the efficiency of true mineral varnish, saves hand spray cost.Spraying is atomized, integral plate face uniform in effect, and safety, ring
Protect, save, low raw-material cost is easy to get, and is especially suitable for large-scale industrial production.So, the present invention effectively overcomes existing skill
Various shortcoming in art and have high industrial utilization.
It is described above, only presently preferred embodiments of the present invention, it is not any to the present invention in form and substantial limitation,
It should be pointed out that for those skilled in the art, on the premise of the inventive method is not departed from, can also make
Some improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, are the equivalent embodiment of the present invention；Meanwhile, all substantial technologicals pair according to the present invention
The variation, modification and evolution for any equivalent variations that above-described embodiment is made, still fall within the scope of technical scheme
It is interior.
Claims (10)
1. a kind of aqueous machine sprays true mineral varnish, it is characterised in that including following raw material components, the percentage by weight of each component is：
2. aqueous machine as claimed in claim 1 sprays true mineral varnish, it is characterised in that：The machine, which sprays true mineral varnish, includes following raw material group
Point, the percentage by weight of each component is：
3. aqueous machine as claimed in claim 1 sprays true mineral varnish, it is characterised in that：The machine sprays true mineral varnish by following weight percent
The raw material components composition of ratio：
4. aqueous machine as claimed in claim 1 or 2 sprays true mineral varnish, it is characterised in that：The machine, which sprays true mineral varnish, also includes silicic acid
The weight ratio of magnesium aluminium powder, the magnesium silicate aluminium powder and the water-based acrylic resin is (0.1-2)：(10-20).
5. the aqueous machine as described in claim 1 or 2 or 3 sprays true mineral varnish, it is characterised in that：The water-based acrylic resin is water
Property polyurethane-modified water-based acrylic resin, the solid content of the water-based acrylic resin is 44-48%.
6. the aqueous machine as described in claim 1 or 2 or 3 sprays true mineral varnish, it is characterised in that：The polyacrylamide solution
Mass fraction is 0.1-0.7%, and the molecular weight of polyacrylamide is 2,000,000-300 ten thousand in the polyacrylamide solution.
7. the aqueous machine as described in claim 1 or 2 or 3 sprays true mineral varnish, it is characterised in that：The aqueous thickener rheology agent is low
The hydrophobic alkali soluble of alkali is swollen class thickener rheology agent；
And/or, the defoamer is modified any one or more in defoamer selected from organosilicon, mineral oil or polyethers.
8. the aqueous machine as described in claim 1 or 2 or 3 sprays true mineral varnish, it is characterised in that：The aqueous cosolvent is that alcohol ester is molten
Agent.
9. the aqueous machine as described in claim 1 or 2 or 3 sprays true mineral varnish, it is characterised in that：The hydroxyethyl cellulose is hydrophobic
Modified associative type hydroxyethyl cellulose.
10. a kind of prepare the method that the aqueous machine as described in claim 1 to 9 is any sprays true mineral varnish, it is characterised in that it include with
Lower step：
1) carried out using following A modes or B modes：
A, under 400-600r/min stirring conditions, it is successively that the deionized water, the ethoxy is fine according to percentage by weight
In the plain and described aqueous defoamer input a mixing bowl of dimension, mixing speed is improved to 600-800r/min, stirs, adds institute
PH adjusting agent is stated, mixing speed is risen into 800-1200r/min, is stirred；
B, under 400-600r/min stirring conditions, it is successively that the deionized water, the ethoxy is fine according to percentage by weight
Tie up in plain, described magnesium silicate aluminium powder and aqueous defoamer input a mixing bowl, improve mixing speed to 600-800r/min, stir
Mix uniform, add the pH adjusting agent, mixing speed is risen into 800-1200r/min, stir；
2) mixing speed is down to 400-600r/min, according to percentage by weight sequentially add the polyacrylamide solution,
The aqueous cosolvent and the water-based acrylic resin, then rise to 800-1200r/min by mixing speed, stir；
3) mixing speed is down to 400-600r/min, the aqueous thickener rheology agent and institute is sequentially added according to percentage by weight
Color sand is stated, is stirred, aqueous machine is obtained and sprays true mineral varnish.
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