CN105462398B - A kind of high richness environment-friendly interior wall coating and preparation method thereof - Google Patents
A kind of high richness environment-friendly interior wall coating and preparation method thereof Download PDFInfo
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- CN105462398B CN105462398B CN201511024800.8A CN201511024800A CN105462398B CN 105462398 B CN105462398 B CN 105462398B CN 201511024800 A CN201511024800 A CN 201511024800A CN 105462398 B CN105462398 B CN 105462398B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention relates to a kind of high richness environment-friendly interior wall coating and preparation method thereof.The present invention sets about by adding specific acrylate and vinyl acetate emulsion and polyurethane thickener in component, and from auxiliary agent and pigment, the selection of filler and collocation, to lift the paint film richness of interiro wall latex paint product jointly, optimizes sense of touch.Compared with traditional interior finish product, interior wall coating of the present invention can obtain more outstanding paint film effect after roller application, and paint film richness is high, and flow leveling is good, and paint film sense of touch is good, and feel is soft and smooth.
Description
Technical field
The present invention relates to a kind of high richness environment-friendly interior wall coating and preparation method thereof.With traditional interior finish product phase
Than interior wall coating of the present invention can obtain more outstanding paint film effect after roller application, and paint film richness is high, stream
Levelling can be good, and paint film sense of touch is good, and feel is soft and smooth.
Background technology
Constantly lifted with the requirement of house decoration, various building materials follow trend constantly to carry out improved product upgrading.Face
The crunch in wallpaper market, interior wall coating also follow trend closely, constantly lift the environmental-protecting performance of product, soluble heavy metal, wave
Hair property organic compound, free formaldehyde equal size gradually decrease or even no added；Meanwhile interior wall coating product is except lifting itself
Environmentally friendly parameter, active detergent power is also continuously increased, such as formaldehyde catching and degradation function, air peculiar smell absorption function etc.；But
To remove the demand to above-mentioned performance, also one pendulum in face of us the problem of, be exactly sense of touch.Generic latex paint roller coat is applied
After work, because flow leveling is general, richness is low, slivering can not be completely eliminated, and feel is dry and astringent after drying, and gives frosty sense
Feel.
How to lift the paint film richness of emulsion paint product, improve paint film sense of touch, be our problems to be captured.Pass through original
The reasonable selection and formulas optimized design of material, make paint film fuller, more soft and smooth, be to lift effectively arranging for paint film sense of touch
Apply.During formula design, to consider the demand, set about from emulsion, auxiliary agent and pigment, the selection of filler and collocation, to be total to
With the paint film richness of lifting interiro wall latex paint product, optimize sense of touch.
The content of the invention
For the above mentioned problem of prior art, the invention provides a kind of high richness environment-friendly interior wall coating and its preparation side
Method, which solve the problem of paint film is dry and astringent, richness is low, levelability is poor after interior wall coating roller application.With styrene-acrylic emulsion and pure
Acrylic emulsion is compared, and acrylate and vinyl acetate emulsion has clear superiority in terms of paint film richness is lifted, and the present invention (is waved from special zero VOC
Hair property organic compound), high solids content, HMW vinyl acetate/acrylic acid esters co-polymer be film forming matter, its VOC contains
Amount only has 1/10th of general acrylate and vinyl acetate emulsion, has been provided simultaneously with without APEO (APES class compound), has surpassed
The characteristics such as low content of free formaldehyde content.Because the hydrophilic sexual element contained by it is tightly controlled, its water resistance is excellent, is washing brush
Energy aspect performance is especially prominent, prepares coating under conditions of film formation at low temp, washes brush performance and is substantially better than the general breast of vinegar third
Liquid.Main skeleton filler is from powdered whiting more than calcined kaolin and 700 mesh, collaboration significant interval titanium dioxide lifting paint
While film covering power, overall packing material size is thin, is advantageous to lift paint film feel.The selection of auxiliary agent is also extremely important, the present invention
System is thickened from the low molecule amount nonionic hydroxyethyl ether cellulose of Biostatic rank, 1% aqueous solution glues
Degree control in 1000-1500mPas, the relatively common cellulose ether of its strand want it is short a lot, strand pass through hydrogen bond hydration make
After expansion, the free degree is bigger, and rigidity is relatively low, therefore mobile performance is more preferable；Collocation polyurethanes thickener, lifts product
It ICI viscosity (shear viscosity), effectively can spread the film thickness in man-hour by runner, and can be provided during drying varniss
Levelling acts on；Effect is reasonably combined based on more than, and the richness and flow leveling of paint film access the lifting of matter, and sense of touch is plentiful
It is soft and smooth.
According to an aspect of the present invention, it provides a kind of high richness environment-friendly interior wall coating, it is characterised in that it is wrapped
Containing following component：
It is preferred that its constituent content is：
More preferably its constituent content is：
The cellulose ether is low molecule amount antibiont enzyme fiber type element ether, its molecular weight ranges 0.8 × 106-1.0×
106, enzyme pollution can be resisted, ensures the viscosity stability of product, the viscosity control of 1wt% cellulose ether aqueous solution exists
1000-1500mPas, the characteristic of its low molecule amount can help to lift paint film richness；
The emulsion polymerization is the type emulsion of vinegar third, solid content 58wt%-60wt%, is extracted by net taste
Technical finesse, lower smell and residual list, nonrestrictive example include the LV-380VF of YINYANG RESIN companies；It has
Following feature：Mean particle diameter：250-500nm；Free formaldehyde ＜ 30ppm；Total residual monomer ＜ 20ppm；VOC ＜ 30ppm.
Preferably, it is according to the levelling grade of the JB/T 3998-1999 coating levelability blade coating determination method measure coating
2-3 levels, and in 20 DEG C -30 DEG C of temperature, humidity 50% or so, roller coat is carried out on putty ground with 65KU or so viscosity
Construction, it is spaced secondary roller application after 2h, spreading rate 5.0-5.5m2/kg；
To be formulated with VAC- MMA system, compatibility is good, shear viscosity is high (is surveyed the polyurethane thickener by same recipe
Examination, the RM-8W of the polyurethane thickener with other models, such as Tao Shi, the L100 of Lockwood are compared, and are gathered selected by the present invention
Urethane thickener can obtain higher ICI viscosity, that is, it is higher to characterize shear viscosity), flow leveling is good (with shear viscosity
Testing scheme is identical, and using the levelability of levelling instrument control sample paint, numerical value is higher, then flow leveling is better) industrial products, it is non-
Restricted example includes the Aquaflow of ASHLAND companiesTMNHS-300；
The wetting agent is non-ionic surfactant, and nonrestrictive example includes the ECOSURF of DOW companiesTMEH-
9；
The dispersant is ammonium polyacrylate dipersant, and it has the advantages of dispersion efficiency is high, nonrestrictive example
Including French SYNTHRON companiesB 03；
The defoamer is the mineral oil type that can disperse in aqueous phase, and it is public that nonrestrictive example includes BLACKBURN
DepartmentCF 439；
The nonrestrictive example of the cellulose ether includes the Natrosol of ASHLAND companiesTM250MHBR；
The coalescents are coalescents conventional in the art, and its nonrestrictive example includes 2,2,4- front threes
Base -1,3- pentanediols-isobutyl acid monoester；
The titanium dioxide is rutile-type, preferably Production By Sulfuric Acid Process, because cost-effective；
The powdered whiting is 700-1250 mesh, and whiteness is higher, and oil absorption is moderate；
The calcined kaolin is 4000 mesh, whiteness >=93.5, strong covering power, is easily disperseed；
The antifreezing agent is antifreezing agent used in the art, and non-limiting example includes industrial ethylene glycol；
The bactericide is bactericide commonly used in the art, and non-limiting example includes Kathon CG+BIT types (chemistry
Name 1,2- benzisothiazole-3-ketones)；
The pH adjusting agent is pH adjusting agent commonly used in the art, non-limiting example include 2- amino-2-methyls-
1- propyl alcohol.
According to another aspect of the present invention, it provides a kind of preparation method of the high richness environment-friendly interior wall coating,
The preparation method comprises the following steps：
Net taste extraction technique processing is carried out to the vinyl acetate/Acrylate copolymerical emulsion, it is standby；
Antifreezing agent is mixed with polyurethane thickener according to formula usage ratio, 500-600 revs/min of stirring is equal
It is even, it is standby；
In the container with agitating device, above-mentioned water is added, puts into cellulose ether, pH regulations successively while stirring
Agent, wetting agent, dispersant, be formulated dosage half defoamer raw material, after stirring, titanium is added under stirring
White powder, calcined kaolin, powdered whiting, it is dispersed to uniformly with 1200-1300 revs/min of rotating speed；
Vinyl acetate/esters of acrylic acid that finally input is handled through net taste extraction technique under 500-600 revs/min of rotating speed
Copolymer emulsion, the mixture of polyurethane thickener and antifreezing agent, coalescents, bactericide, square dosage half defoamer,
It is stirred until homogeneous to obtain high richness environment-friendly interior wall coating.
The low molecule amount nonionic hydroxyethyl ether cellulose thickener for the Biostatic rank that the present invention selects comes to body
System thickened, because the relatively common cellulose ether of its strand want it is short a lot, strand by hydrogen bond aquation deploy after,
The free degree is bigger, and rigidity is relatively low, therefore mobile performance is more preferable.
The polyurethane thickener that the present invention selects, can effectively lift the ICI viscosity of product, can runner spread man-hour
Film thickness, and levelling effect can be provided during drying varniss.
Vinyl acetate/the acrylic acid esters co-polymer for the special zero VOC HMW that the present invention selects is film forming matter,
Solid content is 58%-60%, effectively lifts paint film richness, while its VOC content only has 1/10th of general acrylate and vinyl acetate emulsion,
And possess without characteristics such as APEO, ultralow free formaldehyde contents, using the teaching of the invention it is possible to provide excellent environmentally friendly parameter.Because hydrophilic contained by it
Sexual element is tightly controlled, and its water resistance is excellent, and washing, the performance of brush aspect of performance is especially prominent, prepares coating in low temperature
Under conditions of film forming, wash brush performance and be substantially better than general acrylate and vinyl acetate emulsion.
Heretofore described net taste extraction technique is carried out in net taste processing unit, the net taste processing unit bag
Include head tank, process tank, separator, products pot, steam inlet, steam and VOC outlets, and some connecting pipes.It is treated
Journey is as follows：Emulsion is drawn into process tank from head tank, while steam is injected into process tank, such VOC materials and steaming
Vapour and product are separated in the separator, and the emulsion after net taste stores for future use into products pot.The beneficial effects of the invention are as follows：
More outstanding paint film effect can be obtained compared with traditional interior finish product, after roller application, paint film is rich
Full scale is high, and flow leveling is good, and paint film sense of touch is good, and feel is soft and smooth.Especially by the investigation to levelability and the survey of roller coat spreading rate
Examination is judged that the two balance rationally can just access the high paint film of richness.Levelability tests foundation：JB/T 3998-1999
Coating levelability scratches determination method, and the levelling grade of conventional products is 0-1 levels, and the levelling grade of products obtained therefrom of the present invention is up to 2-
It is 3 grades, with the obvious advantage；The test of spreading rate, in 20 DEG C -30 DEG C of temperature, humidity 50% or so, with 65KU or so viscosity greasy
Roller application is carried out on sub- ground, is spaced secondary roller application after 2h, spreading rate 5.0-5.5m2/ kg, conventional products spreading rate
For 5.5-6.0m2/ kg, this programme products obtained therefrom japanning amount have been lifted, and are advantageous to lift overall paint film effect.
Compared with traditional interior finish, this product has more outstanding can opening effect and fluidised form, since can opening, changes
Become the first impression of product, lift product specification.
Brief description of the drawings
Fig. 1 is the schematic diagram of the net taste processing unit of the present invention.
Embodiment
Below by multiple embodiments, the present invention is further elaborated.Unless otherwise noted, " part " in the present invention
Refer to parts by weight.
Embodiment 1
The following components of the formulation for coating material of the present invention is weighed by following part by weight first：34.5 parts of water, cellulose ether
(NatrosolTM250MHBR) 0.6 part, 0.2 part of pH adjusting agent (AMP-95), 0.2 part of wetting agent (EH-9), dispersant (B 03) 0.5 part, defoamer (CF 439) 0.4 part, 1.1 parts of coalescents (TEXANOL),
0.6 part of antifreezing agent (ethylene glycol), polyurethane thickener (AquaflowTMNHS-300) 0.2 part, emulsion polymerization (LV-
380VF) 12.5 parts, 0.2 part of bactericide (ROCIME 631), 12.0 parts of rutile type titanium white (R-996), powdered whiting
(GF110) 25.0 parts, 12.0 parts of calcined kaolin (DG-80).Then operated according to the following steps：
Successively by 34.5 parts of water, 0.6 part of cellulose ether, 0.2 part of pH adjusting agent under the conditions of 500 revs/min of stirring at low speed
Add in dispersion cylinder, form mixture；
Under 500 revs/min of stirring at low speed, successively by 0.2 part of wetting agent, 0.5 part of dispersant, 0.2 part of defoamer, film forming
1.1 parts of auxiliary agent is added in dispersion cylinder, is stirred；
Under 800 revs/min of moderate-speed mixer, successively by 12.0 parts of rutile type titanium white, 25.0 parts of powdered whiting, forge
Burn 12.0 parts of kaolin to add in dispersion cylinder, 1200 revs/min of the scattered grinding of high speed is carried out, until mixture fineness of grind is extremely
≤ 60 microns, switch to 500 revs/min of stirring at low speed；
Be separately added under the conditions of 500 revs/min of stirring at low speed 12.5 parts of emulsion polymerization, 0.6 part of antifreezing agent,
0.2 part of polyurethane thickener (antifreezing agent and polyurethane thickener are pre-mixed uniformly rear add), 0.2 part of bactericide, defoamer
0.2 part.
By the mixture that previous step is formed in 500 revs/min of lower stirring at low speed 5 minutes；
The mixture that previous step is formed carries out filtration treatment, then required high richness environment-friendly interior wall coating is made.So
The coating property prepared by the present embodiment is tested afterwards, test result is as follows：1. the test of coating levelability is 2.5 grades；②
Twice of coating roller application, spreading rate 5.2m2/kg.Spreading rate herein, refer to that per kilogram coating can normally be coated with twice
When the area brushed, general test method is, batch was scraping 1 square metre of roller coating on the ground of inner wall putty, and was constructing twice, poor
Amount method calculates the coating quality used, then removes it with 1, is required result.
Embodiment 2
The high richness green inner wall paint preparation method of the present invention, the coating for weighing the present invention by weight proportion first are matched somebody with somebody
The following components of side：32.7 parts of water, cellulose ether (NatrosolTM250MHBR) 0.57 part, 0.2 part of pH adjusting agent (AMP-95),
0.2 part of wetting agent (EH-9), dispersant (B 03) 0.5 part, defoamer (CF 439)0.5
Part, 1.2 parts of coalescents (TEXANOL), 0.6 part of antifreezing agent (ethylene glycol), polyurethane thickener (AquaflowTMNHS-300)
0.33 part, 13.0 parts of emulsion polymerization (LV-380VF), 0.2 part of bactericide (ROCIME 631), rutile titanium dioxide
14.0 parts of powder (R-996), 23.0 parts of powdered whiting (GF110), 13.0 parts of calcined kaolin (DG-80).Then following step is pressed
Suddenly operated：
Successively by 0.2 part of 32.7 parts of water, 0.57 part of cellulose ether, pH adjusting agent addition under 500 revs/min of stirring at low speed
In dispersion cylinder, mixture is formed；
Under 500 revs/min of stirring at low speed, 0.2 part of wetting agent, 0.5 part of dispersant, 0.2 part of defoamer, film forming are helped successively
1.2 parts of agent is added in dispersion cylinder, is stirred；
Under 800 revs/min of moderate-speed mixer, successively by 14.0 parts of rutile type titanium white, 23.0 parts of powdered whiting, forge
Burn 13.0 parts of kaolin to add in dispersion cylinder, 1200 revs/min of the scattered grinding of high speed is carried out, until mixture fineness of grind is extremely
≤ 60 microns, switch to 500 revs/min of stirring at low speed；
13.0 parts of emulsion polymerization, 0.6 part of antifreezing agent, poly- ammonia are separately added under 500 revs/min of stirring at low speed
0.33 part of ester thickener (antifreezing agent and polyurethane thickener are pre-mixed uniformly rear add), 0.2 part of bactericide, defoamer 0.3
Part.
The stirring at low speed for 500 revs/min of the mixture that previous step is formed 5 minutes；
The mixture that previous step is formed carries out filtration treatment, then required high richness environment-friendly interior wall coating is made.So
The coating property prepared by the present embodiment is tested afterwards, test result is as follows：1. the test of coating levelability is 2.5 grades；②
Twice of coating roller application, spreading rate 5.1m2/kg。
Embodiment 3
The high richness green inner wall paint preparation method of the present invention, the coating for weighing the present invention by weight proportion first are matched somebody with somebody
The following components of side：34.47 parts of water, cellulose ether (NatrosolTM250MHBR) 0.58 part, pH adjusting agent (AMP-95) 0.2
Part, 0.2 part of wetting agent (EH-9), dispersant (B 03) 0.5 part, defoamer (CF 439)
0.4 part, 1.1 parts of coalescents (TEXANOL), 0.6 part of antifreezing agent (ethylene glycol), 0.25 part of polyurethane thickener (RM-2020),
12.5 parts of emulsion polymerization (LV-380VF), 0.2 part of bactericide (ROCIME 631), rutile type titanium white (R-
996) 12.0 parts, 24.0 parts of powdered whiting (GF110), 13.0 parts of calcined kaolin (DG-80).Then carry out according to the following steps
Operation：
34.47 parts of water, 0.58 part of cellulose ether, 0.2 part of pH adjusting agent are added successively under 500 revs/min of stirring at low speed
Enter in dispersion cylinder, form mixture；
Under 500 revs/min of stirring at low speed, successively by 0.2 part of wetting agent, 0.5 part of dispersant, 0.2 part of defoamer, film forming
1.1 parts of auxiliary agent is added in dispersion cylinder, is stirred；
Under 800 revs/min of moderate-speed mixer, successively by 12.0 parts of rutile type titanium white, 24.0 parts of powdered whiting, forge
Burn 13.0 parts of kaolin to add in dispersion cylinder, 1200 revs/min of the scattered grinding of high speed is carried out, until mixture fineness of grind is extremely
≤ 60 microns, switch to 500 revs/min of stirring at low speed；
12.5 parts of emulsion polymerization, 0.6 part of antifreezing agent, poly- ammonia are separately added under 500 revs/min of stirring at low speed
0.25 part of ester thickener (antifreezing agent and polyurethane thickener are pre-mixed uniformly rear add), 0.2 part of bactericide, defoamer 0.2
Part.
The mixture that previous step is formed is with 500 revs/min of stirring at low speed 5 minutes；
The mixture that previous step is formed carries out filtration treatment, then required high richness environment-friendly interior wall coating is made.So
The coating property prepared by the present embodiment is tested afterwards, test result is as follows：1. the test of coating levelability is 3 grades；2. apply
Expect roller application twice, spreading rate 5.3m2/kg。
Embodiment 4
The high richness green inner wall paint preparation method of the present invention, the coating for weighing the present invention by weight proportion first are matched somebody with somebody
The following components of side：32.44 parts of water, cellulose ether (NatrosolTM250MHBR) 0.56 part, pH adjusting agent (AMP-95) 0.2
Part, 0.2 part of wetting agent (EH-9), dispersant (B 03) 0.5 part, defoamer (CF 439)
0.55 part, 1.15 parts of coalescents (TEXANOL), 0.6 part of antifreezing agent (ethylene glycol), polyurethane thickener (RM-2020) 0.30
Part, 13.3 parts of emulsion polymerization (LV-380VF), 0.2 part of bactericide (ROCIME 631), rutile type titanium white (R-
996) 14.0 parts, 24.0 parts of powdered whiting (GF110), 12.0 parts of calcined kaolin (DG-80).Then carry out according to the following steps
Operation：
32.44 parts of water, 0.56 part of cellulose ether, 0.2 part of pH adjusting agent are added successively under 500 revs/min of stirring at low speed
Enter in dispersion cylinder, form mixture；
Under 500 revs/min of stirring at low speed, successively by 0.2 part of wetting agent, 0.5 part of dispersant, 0.25 part of defoamer, into
1.15 parts of film auxiliary agent is added in dispersion cylinder, is stirred；
Under 800 revs/min of moderate-speed mixer, successively by 14.0 parts of rutile type titanium white, 24.0 parts of powdered whiting, forge
Burn 12.0 parts of kaolin to add in dispersion cylinder, 1200 revs/min of the scattered grinding of high speed is carried out, until mixture fineness of grind is extremely
≤ 60 microns, switch to 500 revs/min of stirring at low speed；
13.3 parts of emulsion polymerization, 0.6 part of antifreezing agent, poly- ammonia are separately added under 500 revs/min of stirring at low speed
0.3 part of ester thickener (antifreezing agent and polyurethane thickener are pre-mixed uniformly rear add), 0.2 part of bactericide, defoamer 0.3
Part.
The stirring at low speed for 500 revs/min of the mixture that previous step is formed 5 minutes；
The mixture that previous step is formed carries out filtration treatment, then required high richness environment-friendly interior wall coating is made.So
The coating property prepared by the present embodiment is tested afterwards, test result is as follows：1. the test of coating levelability is 3 grades；2. apply
Expect roller application twice, spreading rate 5.4m2/kg。
Comparative example 1
In addition to using following formula, to prepare coating with embodiment identical method.
29.12 parts of water, cellulose ether (NatrosolTM250HBR) 0.55 part, 0.2 part of pH adjusting agent (AMP-95), wetting
0.2 part of agent (EH-9), 0.55 part of dispersant (well special scattered (TM) dispersant OROTAN KUAIYI), defoamer (CF 439) 0.5 part, 1.2 parts of coalescents (TEXANOL), 1.2 parts of antifreezing agent (ethylene glycol), polyurethane
0.28 part of thickener (Asia is happy along (TM) RM-8W), 16.0 parts of emulsion polymerization (styrene-acrylic emulsion RS-936W), bactericide
0.2 part of (ROCIME 631), 15.0 parts of rutile type titanium white (R-996), 20.0 parts of powdered whiting (GF110), calcining are high
15.0 parts of ridge soil (DG-80).
Coating property prepared by the comparative formula is tested, test result is as follows：1. the test of coating levelability is
2.0 level；2. twice of coating roller application, spreading rate 6.8m2/kg。
Claims (6)
1. a kind of interior wall coating, it is characterised in that be made up of following component：
The cellulose ether is low molecule amount antibiont enzyme fiber type element ether, its molecular weight ranges 0.8 × 106-1.0×106,
1wt% solution viscosities are 1000-1500mPas；
The emulsion polymerization is vinyl acetate/Acrylate copolymerical emulsion, solid content 58wt%-
60wt%, handled by net taste extraction technique, mean particle diameter：250-500nm；Free formaldehyde ＜ 30ppm；Total residual monomer
＜ 20ppm；VOC ＜ 30ppm,
The levelling grade of interior wall coating is 2-3 levels according to JB/T 3998-1999 coating levelability scratches determination method, and
In 20 DEG C -30 DEG C of temperature, humidity 50% or so, roller application is carried out on putty ground with 65KU or so viscosity, is spaced
Secondary roller application after 2h, spreading rate 5.0-5.5m2/ kg,
The powdered whiting is 700-1250 mesh；
The calcined kaolin is 4000 mesh；
The polyurethane thickener is AquaflowTM NHS-300。
2. interior wall coating according to claim 1, wherein, each component content is specially：
3. interior wall coating according to claim 1, wherein, each component content is specially：
4. interior wall coating according to any one of claim 1 to 3, wherein,
The wetting agent is non-ionic surfactant；
The dispersant is ammonium polyacrylate dipersant；
The defoamer is the mineral oil type that can disperse in aqueous phase.
5. interior wall coating according to any one of claim 1 to 3, wherein,
The coalescents are 2,2,4- trimethyls -1,3- pentanediols-isobutyl acid monoester；
The titanium dioxide is rutile-type；
Whiteness >=93.5 of the calcined kaolin；
The antifreezing agent is ethylene glycol；
The bactericide is 1,2- benzisothiazole-3-ketones；
The pH adjusting agent is 2-amino-2-methyl-1-propanol.
6. a kind of method for preparing interior wall coating according to any one of claim 1 to 3, it comprises the following steps：
Net taste extraction technique processing is carried out to the vinyl acetate/Acrylate copolymerical emulsion, it is standby；
Antifreezing agent and polyurethane thickener are mixed according to formula usage ratio, with 500-600 revs/min of rotating speed stir to
Uniformly, it is standby；
In the container with agitating device, the water of formula dosage is added, puts into cellulose ether, pH regulations successively while stirring
Agent, wetting agent, dispersant, be formulated dosage half defoamer, after stirring, under stirring add titanium dioxide, forge
Kaolin, powdered whiting are burnt, is uniformly dispersed with 1200-1300 revs/min of rotating speed；
Vinyl acetate/esters of acrylic acid that finally input handles to obtain through net taste extraction technique under 500-600 revs/min of rotating speed
Copolymer emulsion, the mixture of polyurethane thickener and antifreezing agent, coalescents, bactericide, be formulated dosage half defoaming
Agent, it is stirred until homogeneous to obtain the interior wall coating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024800.8A CN105462398B (en) | 2015-12-30 | 2015-12-30 | A kind of high richness environment-friendly interior wall coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511024800.8A CN105462398B (en) | 2015-12-30 | 2015-12-30 | A kind of high richness environment-friendly interior wall coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105462398A CN105462398A (en) | 2016-04-06 |
| CN105462398B true CN105462398B (en) | 2018-03-06 |
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| CN107619615A (en) * | 2017-10-23 | 2018-01-23 | 河北晨阳工贸集团有限公司 | Inorganic interior wall coating of a kind of net taste radiation proof and preparation method thereof |
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