CN105504946B - A kind of solvent type woodcare paint is general can back dissolving type delustring slurry - Google Patents
A kind of solvent type woodcare paint is general can back dissolving type delustring slurry Download PDFInfo
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- CN105504946B CN105504946B CN201410505560.2A CN201410505560A CN105504946B CN 105504946 B CN105504946 B CN 105504946B CN 201410505560 A CN201410505560 A CN 201410505560A CN 105504946 B CN105504946 B CN 105504946B
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Abstract
The present invention provides a kind of solvent type woodcare paint it is general can back dissolving type delustring slurry, specifically, the present invention provides it is a kind of with following components can back dissolving type delustring slurry, which is characterized in that including：Aerosil (SiO2) 15~20 parts by weight, 50~75 parts by weight of organic solvent, 1~5 parts by weight of dispersing aid, 1~5 parts by weight of surface-active auxiliary agent.The delustring slurry of the present invention can carry out back dissolving processing, and have good extinction performance.
Description
Technical field
The present invention relates to the solvent wood coatings field in ornament materials, specifically disclose that a kind of solvent type is general to return
Molten delustring slurry, and its preparation method and application.
Background technology
For solvent wood coatings, it is divided into bloom, semi-gloss and dumb light paint by the height of gloss after formation paint film, and in reality
In the application of border, semi-gloss, dumb light class product, because its gloss is soft, it is easier to be esthetically acceptable to the consumers and obtain extensive use.From microcosmic
Angle analysis coating on surface of article lustrous surface is closely related with the degree of roughness of the coating coating surface after drying and forming-film.It applies
Layer will form fine rough surface and then need to have two conditions：When there are a large amount of grain sizes in wet film suitable, index of refraction with
The close duller particle of resin dry film, second is that the volume contraction during dried coating film.Therefore in terms of reducing coating gloss,
Addition delustering agent is a kind of the most frequently used and important scheme.
The flatting silica used in delustring slurry of the present invention is the silica of vapor phase method production, and aerosil grain size is very
Small, surface is more meso-hole structures, there is huge specific surface area, and surface energy is big, and chemical purity is high, with its it is superior it is reinforcing,
Thickening property and thixotropy show unique characteristics in numerous subjects and field, play the role of normal dull powder and do not replace.Also it is positive because
There is higher requirement to dispersing shear power in its application for these advantages of aerosil.In the normal production of paint vehicle
In technique, flatting silica is added in pre-mix stage, the Strong shear power that can be used in this way by pre-mix stage, to reach flatting silica
It is fully dispersed.
However, requiring some gloss ranges high product, generally require to carry out gloss in finished product modulated process
It adjusts, usual mode is exactly directly to add flatting silica.However this mode for directly adding flatting silica, it often can not in the presence of some
It avoids the problem that：Since aerosil itself is porous, surface energy big structure characteristic, wetting and dispersing just needs sufficient originally
Time and shear strength, and the material of finished product will be become, the material viscosity that viscosity tends not in picture premix is so high, therefore
By extending mixing time and improving shear rate to increase wetting to flatting silica and dispersion be common processing mode, however
Not only need to increase manpower and materials in this way, but also solvent volatilization caused by during being again stirring for is possible to influence finished product finally to refer to
Mark detection, or even have a negative impact to application performance.
If flatting silica is beforehand with into slurry, since flatting silica has obtained abundant wetting and dispersing, and it is fabricated to
Good fluidity liquid slurry, can be directly added into when being used in coating material production, appropriate stirring can be evenly dispersed.So
And as the foregoing description, flatting silica particle surface is porous, the huge special construction of specific surface, is wanted in being fabricated to slurry process
Seeking Truth is very special, not only needs dispersing aid to coordinate resin, is coated to delustring powder particles in dispersion process, it is also necessary to
It infiltrates into flatting silica particle surface gap, extends there through, reach complete wetting, it is good, easily dispersible that stability could be obtained
Product is starched in delustring.However such slurry is there are a phenomenon, is exactly if delustring slurry is dry and hard without the common mill base of the image of Buddha
It can be redissolved after equally being impregnated with matching dissolvent after dry and hard, i.e. the mode of " back dissolving " is handled, but always with larger
Soft particle aggregation state exists, and can not restore to former fineness, eventually leads to after being added in paint vehicle, is not only deposited on extinction effect
It is prior to form particle after paint film film forming in problem, influence paint film appearance.
Just because of above-mentioned reason, before more than ten years, when the making of delustring slurry and used as improving production efficiency
Scheme by industry when suggestion of extension, in the actual test of each factory just because dry and hard delustring slurry can not back dissolving cause to complain, most
Eventually so that this project once became " industry incurable disease ".Then, the delustring slurry way of man-haur efficiency is promoted, also almost all is stopped
It is stagnant.
Therefore, there is an urgent need in the art to one kind having higher flatting efficiency, add convenient, easy dispersion, and dry and hard
It can be starched afterwards with the general delustring of the solvent-based system of back dissolving.
Invention content
The object of the present invention is to provide one kind having higher flatting efficiency, adds convenient, easy dispersion, and after dry and hard
It can be starched with the general delustring of the solvent-based system of back dissolving.
The first aspect of the present invention, provide one kind can back dissolving type delustring slurry, including：Aerosil (SiO2) 15~
20 parts by weight, 1~5 parts by weight of 60~85 parts by weight of organic solvent, 1~5 parts by weight of dispersing aid and surface-active auxiliary agent.
In another preferred example, the back dissolving fineness of the delustring slurry is 0~30 μm, and preferably 15~30 μm (according to GB/
T 6753.1-2007 tests).
In another preferred example, the aerosil is the aerosil that surface is modified, preferably table
The aerosil that the organic wax in face is modified.
In another preferred example, the pore volume (before modified) of the aerosil is 1.8~2.2ml/g.
In another preferred example, the particle size range of the aerosil is 5.6~6.8 μm.
In another preferred example, the organic solvent is selected from the group：Dimethylbenzene, butyl acetate, PMA, cyclohexanone,
MIBK, or combinations thereof.
In another preferred example, the organic solvent is the mixed solvent of dimethylbenzene and butyl acetate, it is preferable that described
The weight ratio of dimethylbenzene and butyl acetate is dimethylbenzene：Butyl acetate=30~40：30~45.
In another preferred example, the dispersing aid is selected from the group：Polyethers macromolecule dispersing agent, esters of acrylic acid are high
Dispersal agent molecule, or combinations thereof；Preferably, in the dispersing aid, the polyethers macromolecule dispersing agent and acrylic acid
The weight ratio of esters macromolecule dispersing agent is 2~4：1~2.
In another preferred example, the dispersing aid is that polyethers macromolecule dispersing agent disperses with acrylic polymer
The combination of agent.
In another preferred example, the polyethers macromolecule dispersing agent is the LA-D1532 of EVONIK companies.
In another preferred example, the acrylic ester high molecular type dispersant is selected from the group：The BYK of BYK companies
2020,2025 BYK, or combinations thereof.
In another preferred example, the surface-active auxiliary agent is selected from the group：Organosilicone surfactants, organic fluoride class
Surfactant, or combinations thereof.
In another preferred example, the weight of the organosilicone surfactants and the organic fluoride class surfactant
Amount is than being 1~5：1~5.
In another preferred example, the organic fluoride class surfactant is the FS 61 of WACKER companies.
In another preferred example, the organosilicone surfactants are selected from the group：BYK346, BYK of BYK companies
The TEGO 410 of 349 and TEGO companies, or combinations thereof；Preferably it is the BYK 346 of BYK companies.
The second aspect of the present invention provides a kind of purposes of delustring slurry as described in the first aspect of the invention, for making
Standby semigloss coating or low luster coating.
In another preferred example, the coating is woodwork coating, preferably solvent wood coatings.
The third aspect of the present invention provides a kind of preparation method of delustring slurry as described in the first aspect of the invention, institute
The method of stating includes the following steps：
(1) according to each weight of material ratio, dispersant, surfactant and organic solvent are provided；
(2) after mixing by above-mentioned each component, it is slowly added to aerosil, obtains slurry mix；
(3) slurry mix is disperseed, obtains delustring slurry as described in the first aspect of the invention.
In another preferred example, the dispersion is high speed dispersion.
In another preferred example, the high speed dispersion carries out in high speed dispersor.
The fourth aspect of the present invention, provides a kind of coating finished product, and the coating finished product contains such as first party of the present invention
Delustring slurry or the coating finished product described in face are prepared with delustring slurry as described in the first aspect of the invention.
In another preferred example, the coating finished product is woodcare paint, preferably solvent type woodcare paint, more preferably, institute
The woodcare paint stated is selected from the group：Woodenware polyurethane lacquer, woodenware polyurethane white paint, woodenware zapon, woodenware nitro white paint.
In another preferred example, in the coating, the weight percent of the delustring slurry is 0.1~3wt%, preferably
For 0.15~2wt%.
The fifth aspect of the present invention provides a kind of method preparing coating finished product, among preparation process or later,
Delustring slurry as described in the first aspect of the invention is added in coating stoste.
In another preferred example, the coating finished product is semigloss coating or low luster coating.
In another preferred example, the method includes：Among preparation process, it is added as described in the first aspect of the invention
Delustring is starched.
In another preferred example, the method includes：After preparation process, it is added as described in the first aspect of the invention
Delustring is starched.
In another preferred example, the addition of delustring slurry is 0.1~3wt% of coating weight, preferably 0.15
~2wt%.
The sixth aspect of the present invention, provides a kind of dispersing aid composition, and the dispersing aid includes：Polyethers are high
Dispersal agent molecule and acrylic polymer dispersant.
In another preferred example, the dispersant composition be used to prepare can back dissolving type delustring slurry.
In another preferred example, the polyethers macromolecule dispersing agent is the LA-D1532 of EVONIK companies.
In another preferred example, the acrylic ester high molecular type dispersant is selected from the group：The BYK 2020 of BYK companies,
BYK 2025, or combinations thereof.
In another preferred example, the polyethers macromolecule dispersing agent and acrylic ester high molecular type dispersant weight ratio
For polyethers macromolecule dispersing agent：Acrylic ester high molecular type dispersant=2~4：1~2.
It should be understood that within the scope of the present invention, above-mentioned each technical characteristic of the invention and have in below (eg embodiment)
It can be combined with each other between each technical characteristic of body description, to form a new or preferred technical solution.As space is limited, exist
This no longer tires out one by one states.
Description of the drawings
Fig. 1 be can back dissolving delustring starch the appearance photo of dry and hard blocky dry powder；
Fig. 2 is the appearance photo that normal dull starches dry and hard blocky dry powder；
Fig. 3 be can back dissolving delustring starch it is dry and hard after back dissolving scrape the appearance photo of filter glass plate paint film；
Fig. 4 is the appearance photo that normal dull starches that dry and hard rear back dissolving scrapes filter glass plate paint film；
Fig. 5 be varnish gloss adjust stage addition can back dissolving delustring slurry and usual manner add the efficiency comparative of flatting silica
Figure；
Fig. 6 be white paint gloss adjust stage addition can back dissolving delustring slurry and usual manner add the efficiency comparative of flatting silica
Figure.
Specific implementation mode
The present inventor's in-depth study by long-term has developed a kind of delustring slurry with good back dissolving performance.Institute
The delustring slurry stated can be used for a series of preparation of semi-gloss and low luster coating, be especially suitable for the preparation of woodcare paint.Based on upper
Discovery is stated, inventor completes the present invention.
Delustring active ingredient
As used herein, term " delustring active ingredient " or " delustring active constituent " are used interchangeably, refer both to delustring slurry or
The ingredient to work for delustring in flatting silica.In this application, delustring active ingredient is aerosil.
Wherein, it is 1.8~2.2ml/g that the preferred pore volume of the silica is (non-modified), and particle size range is
5.6~6.8 μm.
The aerosil that the flatting silica used in preferred embodiment of the present invention is modified for surface, for example, one
It is the aerosil that the organic wax in surface is modified in a preferred embodiment.
In general, in flatting silica, if the case where not considering its purity or adulterating other substances, flatting silica itself is delustring
Active ingredient.
Be used to prepare can back dissolving type delustring slurry dispersing aid
As used herein, " dispersant " and " dispersing aid " is used interchangeably, and referring both to being used to prepare for the present invention can back dissolving
The dispersing aid of type delustring slurry.
The present invention also provides a kind of dispersing aid composition, the dispersing aid composition includes：Esters of acrylic acid
Macromolecule dispersing agent, polyethers macromolecule dispersing agent, or combinations thereof.
The dispersant composition be used to prepare can back dissolving type delustring slurry, the specific dispersant composition is added,
Be conducive to the delustring active ingredient aerosil of the present invention with thinner even particulate dispersion in delustring slurry, and be not easy
Generate agglomeration.
In another preferred example, the polyethers macromolecule dispersing agent is the LA-D1532 of EVONIK companies.
In another preferred example, the acrylic ester high molecular type dispersant is selected from the group：The BYK2020 of BYK companies,
BYK 2025, or combinations thereof.
It can back dissolving type delustring slurry
As used herein, term " back dissolving " refer to when delustring slurry due to solvent volatilization and it is dry and hard at powder or it is blocking after, by adding
Organic solvent of the same race is added and is stirred redisperse, or is added in solvent type resin or solvent based coating system and is stirred
Redisperse, the main delustring active ingredient during delustring is starched can be dispersed to former fineness again, anti-without reunion or fineness
Thick phenomenon.
The present invention provides one kind back dissolving delustring slurry, delustring slurry includes：Aerosil (SiO2)15
~20 parts by weight, 50~75 parts by weight of organic solvent, 1~5 parts by weight of dispersing aid, 1~5 parts by weight of surface-active auxiliary agent.
It is described can back dissolving type delustring slurry after evaporation of the solvent, matching dissolvent can be added and re-dissolved (i.e. " back dissolving ").
In another preferred example, 0~30 μm of fineness, preferably 15~30 μm after the back dissolving of the delustring slurry.
Wherein, the organic solvent is not particularly limited, and arbitrary having in allotment coating commonly used in the art can be used
Solvent such as uses the arbitrary common solvent in solvent type woodcare paint field.Preferably, the type and ratio of solvent can be according to dryness
It is adjusted.In a preferred embodiment of the invention, the organic solvent includes that (but being not limited to) is selected from the group below organic
Solvent：Dimethylbenzene, butyl acetate, PMA, cyclohexanone, MIBK, or combinations thereof.Preferably, the dimethylbenzene and butyl acetate
Weight ratio is dimethylbenzene：Butyl acetate=30~40：30~45.
In the delustring slurry of the present invention, by adding specific dispersing aid so that it is guaranteed that delustring slurry is not easy to occur after back dissolving
The phenomenon that delustring active ingredient is reunited.Since flatting silica particle surface is porous, the huge special construction of specific surface is slurried in making
During material, not only needs dispersing aid to coordinate resin, delustring powder particles are coated in dispersion process, the dispersion
Auxiliary agent also needs to infiltrate into flatting silica particle surface gap, extends there through, reaches complete wetting, could obtain stability it is good,
Product is starched in easily dispersible delustring.The currently preferred dispersing aid is selected from the group：Polyethers macromolecule dispersing agent, propylene
Esters of gallic acid macromolecule dispersing agent, or combinations thereof；Preferably polyethers macromolecule dispersing agent and acrylic ester high molecular type dispersant
Combination.
In another preferred example, the polyethers macromolecule dispersing agent and the acrylic ester high molecular type dispersant weight
Amount is than being polyethers macromolecule dispersing agent：Acrylic ester high molecular type dispersant=2~4：1~2.
In another preferred example, the polyethers macromolecule dispersing agent is the LA-D1532 of EVONIK companies.
In another preferred example, the acrylic ester high molecular type dispersant is selected from the group：The BYK 2020 of BYK companies,
BYK 2025, or combinations thereof.
Particularly, using dispersing aid of the present invention, even if after delustring slurry is dry and hard, the delustring in delustring slurry is effective
Ingredient will not generate reunion, be added to stir evenly in the coating of gloss to be regulated and be dispersed to qualified fineness, therefore make
Obtaining delustring slurry can back dissolving.
Surfactant is also added in the delustring slurry, delustring active ingredient is promoted to better disperse.It is preferred described
Surfactant is selected from the group：Organosilicone surfactants, organic fluoride class surfactant, or combinations thereof.
In another preferred example, the weight of the organosilicone surfactants and the organic fluoride class surfactant
Amount is than being organosilicone surfactants：Organic fluoride class surfactant=1~5：1~5.
In another preferred example, the organosilicone surfactants are the BYK 346 of BYK companies.
In another preferred example, the organic fluoride class surfactant is the FS 61 of WACKER companies.
In another preferred example, the organosilicone surfactants are selected from the group：BYK346, BYK of BYK companies
The TEGO 410 of 349 and TEGO companies, or combinations thereof.
The preparation of delustring slurry
The present invention also provides a kind of preparation methods of the delustring slurry, the described method comprises the following steps：
(1) according to each weight of material ratio in product, dispersant, surfactant and organic solvent are provided；
(2) after mixing by above-mentioned each component, it is slowly added to aerosil, obtains slurry mix；
(3) slurry mix is disperseed, obtains the delustring slurry.
Wherein, for aerosil and other components are uniformly dispersed, the dispersion is high speed dispersion, preferably may be used
To be carried out in high speed dispersor.
Obtained delustring slurry can be used for preparing semigloss coating or low luster coating, preferably, the semigloss coating or
Low luster coating is woodwork coating, preferably solvent wood coatings.
Semi-gloss/low luster coating
As used herein, term " semigloss coating " refer to gloss between 40 ° -60 ° (60 degree of angles) coating.Term " dumb light
Coating " and " matt coating " are used interchangeably, refer to gloss 30 ° or less (60 degree of angles) coating.
The present invention also provides a kind of coating, which is characterized in that the coating contains as described above can back dissolving
Delustring slurry or the coating are can back dissolving delustring slurry preparation with as described above.Preferably, the coating is semi-gloss
Coating or low luster coating.
In the present invention, the coating is woodcare paint, preferably solvent type woodcare paint, more preferably, described
Woodcare paint is selected from the group：Woodenware polyurethane lacquer, woodenware polyurethane white paint, woodenware zapon, woodenware nitro white paint.
In the coating, the weight percent of delustring slurry can be modulated according to the needs of Coating Matting.Another excellent
It selects in example, in the coating, the weight percent of the delustring slurry is 0.1~3wt%, preferably 0.15~2wt%.
The coating can be prepared by the following method：Among preparation process or later, it is added such as in coating
The above delustring slurry.In another preferred example, the method includes：In finished product modulated process, described disappear is added
Light is starched.
Compared with prior art, main advantages of the present invention include：
(1) provide one kind can back dissolving type delustring slurry, the delustring slurry it is dry and hard after can carry out back dissolving with matching dissolvent,
Or be directly added into the coating system of gloss to be regulated and carry out back dissolving, having well solved the slurry of delustring in current field can not back dissolving
Problem.
(2) the delustring slurry described in can be applied to a series of fields for needing to prepare semi-gloss or low luster coating, especially suitable
Gloss for all solvent type woodcare paint products is adjusted, including the products such as the varnish of nitro, polyurethane system, white paint.
(3) the delustring slurry described in has good extinction effect, and use is especially only needed to be equivalent to existing delustring product
60% or so amount can reach same extinction effect, can generate huge economic benefit in practical applications.
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In the following examples, the experimental methods for specific conditions are not specified, usually according to conventional strip
Part, or according to the normal condition proposed by manufacturer.Unless otherwise stated, otherwise percentage and number are calculated by weight.
Universal method
In the present invention, the gloss of coating is measured according to method as defined in GB/T 9754-2007, the fineness of coating according to
Method as defined in GB/T 6753.1-2007 measures.
1 solvent type woodcare paint of embodiment it is general can back dissolving delustring slurry preparation
Solvent type woodcare paint it is general can back dissolving delustring slurry preparation：0.7kg butyl acetates and 0.8kg are added in clean cylinder
Dimethylbenzene, stirring at low speed is uniform, 0.08kg polyphosphazene polymer ethers dispersant (EVONIK company LA-D1532) is added, 0.03kg has
0.34kg aerosils are added in 5 minutes in organic silicon surface active agent (BYK 346 of BYK companies), stirring after mixing
(GRACE company C906) cleans casing wall and turntable with 0.02kg, and 2000RPM high-speed stirreds 10 minutes to fineness are less than 25 μm, i.e.,
The solvent type woodcare paint of the obtained present invention is general can back dissolving delustring slurry.
The preparation of plain edition delustring slurry:0.7kg butyl acetates and 0.8kg dimethylbenzene, stirring at low speed are added in clean cylinder
Uniformly, 0.08kg acrylic acid copolymer solns dispersant (BYK companies BYK 2008), 0.03kg organic silicon surfactants is added
0.34kg aerosils (GRACE company C906) are added in 5 minutes in (BYK 346 of BYK companies), stirring after mixing,
Casing wall and turntable are cleaned with 0.02kg, 2000RPM high-speed stirreds are less than 25 μm to fineness in 10 minutes, obtain the common of the present invention
Solvent type woodcare paint delustring is starched.
By solvent type woodcare paint it is general can back dissolving delustring slurry and usual vehicle type delustring slurry dry under similarity condition it is blocking
Shape dry powder, as shown in figure 1 and 2.It respectively weighs 6g and is added to 100g castor oil short oil alkyd resin (Changxing chemistry, trade mark 3401-
X-70-1 in), stirring 2000rpm stirring 15min are started, the fineness plate for being 100 μm with range tests fineness and confirms two kinds respectively
The back dissolving situation of dry and hard slurry, can obtain solvent type it is general can back dissolving delustring slurry back dissolving fineness be 25 μm, and normal dull starch back dissolving
Fineness expires 100 μm of plate.It scrapes filter glass plate and confirms appearance, as shown in figure 3, can to scrape paint film smooth bright and clean after back dissolving delustring slurry back dissolving
It is without exception, and coating surface particle is apparent, and paint film is coarse as shown in figure 4, normal dull slurry scrapes.
The results show that the delustring slurry of the application has very good back dissolving performance.
The preparation of 2 dual-component polyurethane varnish of embodiment
By taking dual-component polyurethane varnish as an example, using solvent type woodcare paint of the present invention it is general can back dissolving type delustring slurry exist
Formulation for coating material prepares later stage adjusting correction gloss, confirms flatting efficiency.
0.7kg butyl acetates and 0.8kg dimethylbenzene are added in clean cylinder, stirring at low speed is uniform, and 0.02kg high scores are added
Sub- polyethers dispersant (EVONIK company LA-D1532) and the 0.02kg polyacrylics macromolecule dispersing agent (BYK of BYK companies
2020 or BYK 2025) g, 0.03kg organic silicon surfactants (TEGO 410 of TEGO companies), stir 5 minutes be uniformly mixed
0.34kg aerosils (GRACE company C906) are added afterwards, casing wall and turntable, 2000RPM high-speed stirrings are cleaned with 0.02kg
Mix 10 minutes fineness be less than 25 μm, both solvent type woodcare paint it is general can back dissolving delustring slurry.
In this example, dual-component polyurethane varnish is semi-gloss varnish using 1687 series 1 of ippon.Experimentation is to replicate ippon
1687 series 1 are (the gloss requirement of semi-gloss varnish original formulation：60 degree of 40-60 ° of gloss of plank), while replicating the base of gloss to be adjusted
Plinth slurry (it is the 0.3% part of flatting silica that need to be added in the semi-gloss varnish preparation process gloss adjusting stage to deduct 1687 series 1 of ippon).
As shown in figure 5,1# (original formulation) samples are made by common process, i.e., the direct gloss adjusting stage directly adds
0.3% flatting silica.2#, 3#, 4#, 5#, 6#, 7#, 8# sample be then by gloss adjust the stage be added 0.6%, 1.18%,
In 1.8%, 2.18%, 2.59%, 3.0% and 4.1% embodiment 1 can back dissolving delustring slurry be made, be actually added into flatting silica
Flatting silica percentage calculation can must be respectively 0.1%, 0.2%, 0.3%, 0.37% during effective content is starched according to delustring,
0.44%, 0.50% and 0.69%.Synchronism detection gloss can be found after being dried 2 days by filter glass plate scraper plate, using solvent type
Woodcare paint it is general can back dissolving type delustring starch 1.8% (3#), when practical flatting silica effective content is only 0.2%, you can reach first wife
Directly add 0.3% same gloss level of flatting silica in side (1#)；Test result shows that dosage is starched in totally 6 delustrings to 2# to 7# on plank
Under 0.6% to 2.59% addition gradient, the plate face gloss of acquisition controls within ± 5 compared with original formulation.It can see
Go out, adjusts gloss using the delustring slurry of the present invention, relatively direct addition flatting silica adds the delustring slurry of the present invention, it is only necessary to phase
When the effective ingredient consumption in the prior art 60% is that can reach identical extinction effect, and convenient for addition, easily disperse, throwing
Also there is broader process tolerance advantage in terms of material.
The preparation of 3 dual-component polyurethane white paint of embodiment
By taking dual-component polyurethane white paint as an example, using solvent type woodcare paint of the present invention it is general can back dissolving type delustring slurry exist
Formulation for coating material prepares later stage adjusting correction gloss, confirms flatting efficiency.
In this example, delustring slurry is using the delustring slurry prepared in embodiment 1.Dual-component polyurethane white paint uses 1687 system of ippon
Row 8 are multi-functional semi-gloss white paint.Experimentation is that duplication 1687 series 8 of ippon is that multi-functional semi-gloss white paint original formulation (want by gloss
It asks：60 degree of 40-60 ° of gloss of plank), at the same replicate gloss to be adjusted basis slurry (i.e. deduct 1687 series 8 of ippon be that semi-gloss is white
Paint preparation process gloss adjusts the 0.3% part of flatting silica that need to be added in the stage).
Sample production method directly adds 0.3% with embodiment 2, i.e. 1# (original formulation) samples by the direct gloss adjusting stage
The common process of flatting silica is made.2# then starches dosage gradient to 8# samples with delustring in embodiment 2, and stage addition is adjusted in gloss
0.6% to 4.1% can back dissolving delustring slurry be made, be actually added into flatting silica equally be respectively 0.1%, 0.2%, 0.3%,
0.37%, 0.44%, 0.50% and 0.69%.
As shown in fig. 6, test filter glass plate and density board spray plate are from dry 2 days gloss, it is same it can be found that using solvent type
Woodcare paint it is general can back dissolving type delustring starch 1.8% (3#), when practical flatting silica effective content is only 0.2%, you can reach first wife
Directly add 0.3% same gloss level of flatting silica in side (1#)；And totally 6 delustrings starch dosage from 0.6% to 2.59% to 2# to 7#
Addition gradient under, the plate face gloss of acquisition also controls within ± 5 compared with original formulation.This explanation, uses the present invention's
Delustring slurry adjusts gloss, also has very wide process tolerance advantage at the aspect that feeds intake.
All references mentioned in the present invention is incorporated herein by reference, independent just as each document
It is incorporated as with reference to such.In addition, it should also be understood that, after reading the above teachings of the present invention, those skilled in the art can
To be made various changes or modifications to the present invention, such equivalent forms equally fall within model defined by the application the appended claims
It encloses.
Claims (12)
1. one kind can back dissolving type delustring slurry, which is characterized in that including：15~20 parts by weight of aerosil, organic solvent 60
1~5 parts by weight of~85 parts by weight, 1~5 parts by weight of dispersing aid and surface-active auxiliary agent；The dispersing aid is selected from down
Group：Polyethers macromolecule dispersing agent, acrylic ester high molecular type dispersant, or combinations thereof；It can be with after the described delustring slurry is dry and hard
Back dissolving is carried out with matching dissolvent, or is directly added into the coating system progress back dissolving of gloss to be regulated；
The polyethers macromolecule dispersing agent is the LA-D1532 of EVONIK companies；
The acrylic ester high molecular type dispersant is selected from the group：BYK 2020, the BYK2025 of BYK companies, or combinations thereof；
And in the dispersing aid, the polyethers macromolecule dispersing agent and acrylic ester high molecular type dispersant weight ratio
For polyethers macromolecule dispersing agent：Acrylic ester high molecular type dispersant=2~4：1~2.
2. delustring slurry as described in claim 1, which is characterized in that the organic solvent is selected from the group：Dimethylbenzene, acetic acid fourth
Ester, PMA, cyclohexanone, MIBK, or combinations thereof.
3. delustring slurry as described in claim 1, which is characterized in that the organic solvent is the mixing of dimethylbenzene and butyl acetate
Solvent, and the weight ratio of the dimethylbenzene and butyl acetate is dimethylbenzene：Butyl acetate=30~40：30~45.
4. delustring slurry as described in claim 1, which is characterized in that the surface-active auxiliary agent is selected from the group：Organic silicon
Surfactant, organic fluoride class surfactant, or combinations thereof.
5. the purposes of the delustring slurry as described in claim 1-4 is any, which is characterized in that be used to prepare semigloss coating or dumb light applies
Material.
6. the preparation method of delustring slurry as described in claim 1, which is characterized in that include the following steps：
(1) according to each weight of material ratio, dispersant, surfactant and organic solvent are provided；
(2) after mixing by above-mentioned each component, it is slowly added to aerosil, obtains slurry mix；
(3) slurry mix is disperseed, obtains delustring slurry as described in claim 1.
7. a kind of coating finished product, which is characterized in that the coating finished product contains the delustring as described in claim 1-4 is any
Slurry or the coating finished product are with as claim 1-4 is any the delustring starches preparation.
8. coating finished product as claimed in claim 7, which is characterized in that the coating finished product is woodcare paint.
9. coating finished product as claimed in claim 7, which is characterized in that the coating finished product is solvent type woodcare paint.
10. coating finished product as claimed in claim 7, which is characterized in that the coating finished product is selected from the group：Woodenware polyurethane
Varnish, woodenware polyurethane white paint, woodenware zapon, woodenware nitro white paint.
11. a kind of method preparing coating finished product, which is characterized in that among preparation process or later, add in coating stoste
Enter the delustring slurry as described in claim 1-4 is any.
12. a kind of purposes of dispersing aid composition, which is characterized in that the dispersing aid includes：Polyethers family macromolecule point
Powder and acrylic polymer dispersant, and the dispersant composition is used to prepare and disappears as described in claim 1
Light is starched.
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| CN111748234A (en) * | 2020-07-07 | 2020-10-09 | 威远达威木业有限公司 | Cationic extinction filler and preparation method thereof |
| CN116102914A (en) * | 2022-12-27 | 2023-05-12 | 贵州正业龙腾新材料开发有限公司 | Environment-friendly water-borne wood coating gloss regulator and preparation method thereof |
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| CN101613568A (en) * | 2009-07-24 | 2009-12-30 | 宁海长和环保涂料有限公司 | Water extinction sizing agent |
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| CN101659822A (en) * | 2009-09-21 | 2010-03-03 | 北京红狮漆业有限公司 | Water-based water transfer varnish paint and preparation method thereof |
| JP5441952B2 (en) * | 2011-05-17 | 2014-03-12 | Ｎｅｃトーキン株式会社 | Conductive polymer suspension and method for producing the same, conductive polymer material, and electrolytic capacitor and method for producing the same |
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| CN1514259A (en) * | 2002-09-25 | 2004-07-21 | ס�ѽ�����ɽ��ʽ���� | Heat radiation screening component disperser, its preparing process and application |
| CN101613568A (en) * | 2009-07-24 | 2009-12-30 | 宁海长和环保涂料有限公司 | Water extinction sizing agent |
| CN102086345A (en) * | 2009-12-07 | 2011-06-08 | 上海造漆厂 | High-solid amino alkyd clear baking varnish, and preparation method and use thereof |
| CN102229779A (en) * | 2011-06-20 | 2011-11-02 | 上虞市佑谦特种材料有限公司 | UV (Ultraviolent) deglossing paint and preparation method thereof |
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