CN101698770B - Aqueous anti-doodling paint and preparation method thereof - Google Patents
Aqueous anti-doodling paint and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an aqueous anti-doodling paint, which consists of antifouling functional materials, assistants, glass powder filling and water, wherein the antifouling functional materials comprise pure acrylic ester emulsion, wax emulsion and FSE fluorine-type assistant; and the assistants comprise dispersant, wetting agent, film-forming assistant, anti-freezing agent, defoaming agent, thickening agent, mildew-proof agent and preservative. The preparation method of the invention comprises steps of premixing, grinding and dispersing, emulsion adding, assistant adding, packing and the like. The aqueous anti-doodling paint has good antifouling and anti-doodling functions, wherein the VOC content is 52 to 65 g/L, the content of benzene series substance is less than 300 mg/kg, and the contents are far below the index values of volatile organic compounds of solvent products; and the aqueous anti-doodling paint is suitable for indoor space. Moreover, the paint film is compact; meanwhile the paint has the capacities of resisting seepage and reducing the adhesion of pollutants; and particularly aiming at the substances such as children water color pens, crayons, color pencils, ball pens, ink, coffee, tomato sauce, tea juice, shoe print and the like, the pollutants can be easily scrubbed.
Description
Technical field
The present invention relates to paint field, particularly a kind of aqueous anti-doodling paint and preparation method thereof with anti-pollution function.
Background technology
Children have the potential and the talent of creation, should enough spaces be provided for them, encourage they at any time expect with experience, free, easily, show giocoso, to improve children's creativeness.Therefore the children room perhaps has the used coating of wall finishing of children's family should possess pollution-proof performance.
It is main that children's series paintbrush mainly pollutes with infiltration and adhesion, like children's watercolor pencil, and wax crayon, colored pencil, ballpoint pen, ink, coffee, tomato-sauce, tea juice, footwear seal etc.Common antifouling interior wall coating does not possess the enough antipollution thing infiltrations and the ability of anti-adhesive.And existing effect preferably non-staining coating be oil-base paint.Oil-base paint lacks the feature of environmental protection, the improper upholstery metope that is used for, and upgrowth and development of children health has and has a strong impact on.Research shows indoor environmental pollution, and injury mainly contains 5 aspects to children's health: at first, bring out children's blood disease; Secondly, increase the sick sickness rate of childhood asthma; The 3rd, cause newborn infant's birth defect; The 4th, cause newborn infant's heart trouble; The 5th, children's intelligence is reduced greatly.Oil-base paint is one of big factors that induces an illness.Therefore, exploitation environment-protecting asepsis, coating that anti fouling performance is strong are significant.
Summary of the invention
One of the object of the invention is the deficiency that exists to the above existing non-staining coating, provides that a kind of pollutent is cleaned easily, environment-protecting asepsis, is suitable for the aqueous anti-doodling paint that the interior space is used.
Two of the object of the invention is to provide a kind of preparation method of aqueous anti-doodling paint.
In order to achieve the above object, the present invention is achieved in that aqueous anti-doodling paint, is made up of the functional materials with anti-pollution function, filler, auxiliary agent and dispersion medium, and finished product is a transparent varnish, and its concrete parts by weight component is following:
A, functional materials pure acrylic acid ester emulsion 55～70
Wax emulsion 0.5～1
Fluorine auxiliary agent 0.05～0.1
B, filler glass powder 15～20
C, auxiliary agent dispersion agent 0.1～0.2
Wetting agent 0.05～0.1
Film coalescence aid 1.0～2.0
Frostproofer 1.5～2.0
Skimmer 0.2～0.3
Thickening material 0.3～0.5
Mould inhibitor 0.1～0.2
Sanitas 0.1～0.2
D, dispersion medium water 5～18.
Described fluorine auxiliary agent can be that the model that E.I.Du Pont Company produces is the fluorine auxiliary agent of ZONYL
FSE.
Described wax emulsion can be that the model that Shenzhen Hai Chuan chemical industry ltd produces is the wax emulsion of HF200.
Described pure acrylic acid ester emulsion is a filmogen, and the model that can select for use Dow Chemical to produce is a DIRTSHIELD K2 pure acrylic acid ester emulsion.
Described filler can be glass powder, and can select the model of Lingchuan County, Guilin City three osmanthus Fine Chemical Works productions for use is the glass powder of BH95.
Described dispersion agent can be ammonium polyacrylate salt class dispersion agent, and can select the model that Co., Ltd produces in the Ciba for use is the dispersion agent of GA40.
Described wetting agent can be the nonylphenol class wetting agent, and the model that can select for use Dow Chemical to produce is the wetting agent of CF10.
Described film coalescence aid can be 2,2,4-trimethylammonium-1, and 3-pentanediol-isopropylformic acid monoesters, the model that can select for use Eastman Chemical to produce is the film coalescence aid of TEXANOL.
Described frostproofer can be terepthaloyl moietie, the ethylene glycol solvent that can select for use Guangzhou rich chemical industry in morning ltd to produce.
Described skimmer can be mineral oil defoaming agent, and the model that can select for use England Blackburn chemical company to produce is the skimmer of CF245.
Described thickening material can be alkali swelling type thickening material, and the model that can select for use Dow Chemical to produce is the thickening material of TT935.
Described mould inhibitor can be OIT class mould inhibitor, and the model that can select for use ROHM AND HAAS China Investment Ltd. to produce is the M8 mould inhibitor.
Described sanitas can be card conifer sanitas, and the model that can select for use ROHM AND HAAS China Investment Ltd. to produce is the LXE sanitas.
The preparation method of aqueous anti-doodling paint comprises pre-mixing, grinds and disperses, and adds steps such as emulsion and adding auxiliary agent, and it step that comprises is following:
(1). pre-mixing: in disperseing cylinder, add entry, dispersion agent, wetting agent and skimmer by above-mentioned parts by weight, fully mix, to help the dispersion of filler, mixing speed is controlled at 300～500RPM;
(2). grind and disperse: add glass powder by above-mentioned parts by weight; Making beating was ground 10～25 minutes under high speed dispersion; In that to look into colour examining slurry fineness qualified when following to 50um, filler grain is dispersed into simple particle under the high shear rate effect of high-speed stirring; And under the effect of dispersing auxiliary system, obtain the stably dispersing state, the rotating speed that making beating is ground is controlled at 1500～2000RPM.
(3). add emulsion: add mould inhibitor and sanitas by above-mentioned parts by weight earlier, add pure acrylic acid ester emulsion then, mix, mixing speed is controlled at 800～1000RPM.
(4). add auxiliary agent: add film coalescence aid, frostproofer, skimmer and thickening material successively, the control rotating speed stirs at 800～1000RPM.
(5). add fluorine auxiliary agent and wax emulsion successively, the control rotating speed stirs at 800～1000RPM.
(6). packing: as requested coating is contained in the Lacquered Tin Plate Can of different volumes.
Add skimmer in described (1) step and account for 40～60% of total skimmer weight, remaining skimmer adds in (4) step.
In formula system of the present invention, filmogen is the waterborne film-forming material, adopts 100% pure acrylic acid ester emulsion, and its paint film density is high, prevents that effectively contaminant infiltration is in the micropore kapillary of paint film.In addition, the solvent resistance of the paint film of pure acrylic acid ester emulsion is good, is difficult for swelling, removes easily with the most of watercolor pencil pollutent as dissolve medium such as alcohol.And common emulsion paint film can be caused pollutent to infiltrate by the spirit solvent swelling, not easy-clear.
The fluorine auxiliary agent that adopts in the formula system of the present invention is compared with hydrocarbon type traditional tensio-active agent; The F radius is littler than the C radius; Therefore the plain auxiliary agent of fluorine can more neatly be distributed in the interface closely; And can strengthen the interaction between polymer emulsion and the inorganic particle, more uniform sequential coated inorganic particle.The fluorine auxiliary agent can reduce surface tension, and the tensio-active agent of use 0.01%～0.1% can be reduced to the surface energy at interface below the 20dynes/cm, has strengthened the wettability of paint film on ground, and promotes the anti-performance of after-tacking.
Formula system of the present invention adopts the wax emulsion, the effect with hydrophobic and anti-adhesive, and the intensive hydrophobicity resists hydrophilic source of pollution and on paint film, sprawls infiltration, and the anti-adhesive properties of wax emulsion can make and adhere to is more easy-clear such as main pollutent such as wax crayon.
The glass powder that formula system of the present invention adopts can promote the hardness of paint film, reduces the scuffing of paintbrush to paint film, helps the persistent anti-graffiti function of paint film.Scribble source of pollution kind comprises children's watercolor pencil, wax crayon, colored pencil, ballpoint pen, ink, coffee, tomato-sauce, tea juice, footwear seal etc.
Aqueous anti-doodling paint of the present invention has good anti-soil and anti-graffiti function; VOC content wherein is 52～65g/L; Benzene series thing content is less than 300mg/kg, all well below the desired value of the volatile organic compounds of solvent-borne type product, and the suitable interior space that is used in.In addition, paint film of the present invention is fine and close, has the ability of impermeabilisation and reduction contamination adhesion simultaneously, is directed against children's watercolor pencil of children especially, wax crayon; Colored pencil, ballpoint pen, ink, coffee; Tomato-sauce, tea juice, materials such as footwear seal can be easily with the pollutent scrub.
Embodiment
Below in conjunction with embodiment the present invention is done detailed explanation.
Aqueous anti-doodling paint of the present invention is made up of the functional materials with anti-pollution function, filler, auxiliary agent and dispersion medium etc., and its finished product is a transparent varnish.Concrete parts by weight component is following:
A, functional materials pure acrylic acid ester emulsion 55～70
Wax emulsion 0.5～1
Fluorine auxiliary agent 0.05～0.1
B, filler glass powder 15～20
C, auxiliary agent dispersion agent 0.1～0.2
Wetting agent 0.05～0.1
Film coalescence aid 1.0～2.0
Frostproofer 1.5～2.0
Skimmer 0.2～0.3
Thickening material 0.3～0.5
Mould inhibitor 0.1～0.2
Sanitas 0.1～0.2
D, dispersion medium water 5～18.
The effect of fluorine auxiliary agent wherein is to reduce surface tension, has strengthened the wettability of paint film on ground;
Described fluorine auxiliary agent can be that the model that E.I.Du Pont Company produces is the fluorine auxiliary agent of ZONYL
FSE.ZONYL
FSE fluorine auxiliary agent is the fluorochemical surfactant that du pont company adopts telomerization method to produce.With the conventional surfactants difference; Be mainly as the hydrophobic group in the tensio-active agent partly with perfluoroalkyl or perfluor or the alkyl partly fluoridized etc.; And then introduce suitable connection base and hydrophilic radical on demand, make the not fluorochemical surfactant product of homology example such as anionic, cationic, non-ionic type and two sexual types respectively according to the difference of hydrophilic radical character.Model is that the fluorine auxiliary agent of ZONYL
FSE belongs to aniorfic surfactant.Model is that the fluorine auxiliary agent of ZONYL
FSE causes owing to its intermolecular Van der Waals force for a short time; Active agent molecule moves to the required tension force of solution surface from the aqueous solution little; Caused active agent molecule in a large amount of gathering of solution surface; Form the intensive surface adsorption; And this compounds not only the avidity to water is little; And also less to the avidity of hydrocarbon polymer, therefore formed not only hydrophobic but also lipophobic characteristic, to promote the wettability of the aqueous solution.
The model that the preferred Shenzhen of wax emulsion Hai Chuan chemical industry ltd wherein produces is the wax emulsion of HF200.
Pure acrylic acid ester emulsion wherein is a filmogen, and the model that preferred Dow Chemical produces is the pure acrylic acid ester emulsion of DIRTSHIELD K2.
Filler wherein can be glass powder, and the model of preferred Guilin City's Lingchuan County three osmanthus Fine Chemical Works productions is the glass powder of BH95.
Dispersion agent wherein can be ammonium polyacrylate salt class dispersion agent, and the model that Co., Ltd produces in the preferred Ciba is the dispersion agent of GA40.
Wetting agent wherein can be the nonylphenol class wetting agent, and the model that preferred Dow Chemical produces is the wetting agent of CF10.
Film coalescence aid wherein can be 2,2,4-trimethylammonium-1, and 3-pentanediol-isopropylformic acid monoesters, the model that preferred Eastman Chemical produces is the film coalescence aid of TEXANOL.
Frostproofer wherein can be terepthaloyl moietie, the ethylene glycol solvent that preferred Guangzhou rich chemical industry in morning ltd produces.
Skimmer wherein can be mineral oil defoaming agent, and the model that preferred England Blackburn chemical company produces is the skimmer of CF245.
Thickening material wherein can be alkali swelling type thickening material, and the model that preferred Dow Chemical produces is the thickening material of TT935.
Mould inhibitor wherein can be OIT class mould inhibitor, and the model that preferred ROHM AND HAAS China Investment Ltd. produces is the M8 mould inhibitor.
Sanitas wherein can be card conifer sanitas, and the model that preferred ROHM AND HAAS China Investment Ltd. produces is the LXE sanitas.
The preparation method of aqueous anti-doodling paint comprises pre-mixing, grinds and disperses, and adds steps such as emulsion and adding auxiliary agent, and its concrete process step is following:
(1). pre-mixing: in disperseing cylinder, add water, dispersion agent, skimmer and the wetting agent of above-mentioned parts by weight, fully mix, to help the dispersion of filler, mixing speed is controlled at 300～500RPM.
(2). grind and disperse: the glass powder that adds above-mentioned parts by weight; Making beating was ground 15～20 minutes under high speed dispersion; Make that to look into colour examining slurry fineness qualified when following to 50um, filler grain is dispersed into simple particle under the high shear rate effect of high-speed stirring; And under the effect of dispersing auxiliary system, obtain the stably dispersing state, the rotating speed that making beating is ground is controlled at 1500～2000RPM.
(3). add emulsion: add the mould inhibitor and the sanitas of above-mentioned parts by weight earlier, add the pure acrylic acid ester emulsion of above-mentioned parts by weight then, mix.Mixing speed is controlled at 800～1000RPM.
(4). add auxiliary agent: add film coalescence aid, frostproofer, skimmer and the thickening material of above-mentioned parts by weight successively, the control rotating speed stirs at 800～1000RPM.
(5). add the fluorine auxiliary agent and the wax emulsion of above-mentioned parts by weight successively, the control rotating speed stirs at 800～1000RPM.
(6). packing: as requested coating is contained in the Lacquered Tin Plate Can of different volumes.
Add skimmer in described (1) step and account for 40～60% of total skimmer weight, remaining skimmer adds in (4) step.
The technical feature of the aqueous anti-doodling paint that gets refers to
Embodiment 1
The parts by weight component of aqueous anti-doodling paint is following:
Water 8
GA40 (dispersion agent) 0.1
TEXONAL (film coalescence aid) 1
CF10 (wetting agent) 0.05
CF245 (skimmer) 0.2
Glass powder 15
M8 (mould inhibitor) 0.15
LXE (sanitas) 0.15
DIRTSHIELD K2 (pure acrylic acid ester emulsion) 60
TT935 (thickening material) 1.2
Terepthaloyl moietie 1.5
ZONYL
FSE (fluorine auxiliary agent) 0.05
HF200 (wax emulsion) 0.6.
The preparing method's of above-mentioned aqueous anti-doodling paint process for preparation comprises pre-mixing, grinds and disperses, and adds steps such as emulsion and auxiliary agent, and concrete process step is following:
(1). pre-mixing: in disperseing cylinder, add water, GA40 (dispersion agent), CF245 (skimmer) and the CF10 (wetting agent) of above-mentioned parts by weight, make its thorough mixing even, to help the dispersion of filler, the rotating speed of stirring is controlled at 300RPM.
(2). grind and disperse: the glass powder that adds above-mentioned parts by weight; Making beating was ground 15 minutes under high speed dispersion; It is qualified when following to 50um to look into colour examining slurry fineness; Filler grain is dispersed into simple particle under the high shear rate effect of high-speed stirring, and under the effect of dispersing auxiliary system, obtains the stably dispersing state; The rotating speed that making beating is ground is controlled at 2000RPM.
(3). add emulsion: after grinding dispersion at a high speed, add the M8 (mould inhibitor) and the LXE (sanitas) of above-mentioned parts by weight, add pure acrylic acid ester emulsion then, mix; The rotating speed that stirs is controlled at 800RPM.
(4). add auxiliary agent: add TEXONAL (film coalescence aid), terepthaloyl moietie (frostproofer), CF245 (skimmer) and the TT935 (thickening material) of above-mentioned parts by weight successively, stir, the rotating speed of stirring is controlled at 800RPM.
(5). add ZONYL
FSE (fluorine auxiliary agent) and the HF200 (wax emulsion) of above-mentioned parts by weight successively; Stir, the rotating speed of stirring is controlled at 800RPM.
(6). packing: as requested coating is contained in the Lacquered Tin Plate Can of different volumes.
Add skimmer in described (1) step and account for 50% of total skimmer weight, remaining skimmer adds in (4) step.
Embodiment 2
The parts by weight component of aqueous anti-doodling paint is following:
Water 5
GA40 (dispersion agent) 0.15
TEXONAL (film coalescence aid) 1.2
CF10 (wetting agent) 0.1
CF245 (skimmer) 0.2
Glass powder 18
M8 (mould inhibitor) 0.15
LXE (sanitas) 0.15
DIRTSHIELD K2 (pure acrylic acid ester emulsion) 65
TT935 (thickening material) 1
Terepthaloyl moietie 1.5
ZONYL
FSE (fluorine auxiliary agent) 0.08
HF200 (wax emulsion) 0.5.
The preparing method's of above-mentioned aqueous anti-doodling paint process for preparation comprises pre-mixing, grinds and disperses, and adds steps such as emulsion and auxiliary agent, and concrete process step is following:
(1). pre-mixing: in disperseing cylinder, add water, GA40 (dispersion agent), CF245 (skimmer) and the CF10 (wetting agent) of above-mentioned parts by weight, make its thorough mixing even, to help the dispersion of filler, the rotating speed of stirring is controlled at 400RPM.
(2). grind and disperse: the glass powder that adds above-mentioned parts by weight; Making beating was ground 15 minutes under high speed dispersion; It is qualified when following to 50um to look into colour examining slurry fineness; Filler grain is dispersed into simple particle under the high shear rate effect of high-speed stirring, and under the effect of dispersing auxiliary system, obtains the stably dispersing state; The rotating speed that making beating is ground is controlled at 1800RPM.
(3). add emulsion: after grinding dispersion at a high speed, add the M8 (mould inhibitor) and the LXE (sanitas) of above-mentioned parts by weight, add pure acrylic acid ester emulsion then, mix; The rotating speed that stirs is controlled at 900RPM.
(4). add auxiliary agent: add TEXONAL (film coalescence aid), terepthaloyl moietie (frostproofer), CF245 (skimmer) and the TT935 (thickening material) of above-mentioned parts by weight successively, stir, the rotating speed of stirring is controlled at 900RPM.
(5). add ZONYL
FSE (fluorine auxiliary agent) and the HF200 (wax emulsion) of above-mentioned parts by weight successively; Stir, the rotating speed of stirring is controlled at 1000RPM.
(6). packing: as requested coating is contained in the Lacquered Tin Plate Can of different volumes.
Add skimmer in described (1) step and account for 40% of total skimmer weight, remaining skimmer adds in (4) step.
Embodiment 3
The parts by weight component of aqueous anti-doodling paint is following:
Water 6
GA40 (dispersion agent) 0.1
TEXONAL (film coalescence aid) 2
CF10 (wetting agent) 0.05
CF245 (skimmer) 0.15
Glass powder 15
M8 (mould inhibitor) 0.15
LXE (sanitas) 0.15
DIRTSHIELD K2 (pure acrylic acid ester emulsion) 75
TT935 (thickening material) 1
Terepthaloyl moietie 2.0
ZONYL
FSE (fluorine auxiliary agent) 0.1
HF200 (wax emulsion) 0.8.
The preparing method's of above-mentioned aqueous anti-doodling paint process for preparation comprises pre-mixing, grinds and disperses, and adds steps such as emulsion and auxiliary agent, and concrete process step is following:
(1). pre-mixing: in disperseing cylinder, add water, GA40 (dispersion agent), CF245 (skimmer) and the CF10 (wetting agent) of above-mentioned parts by weight, make its thorough mixing even, to help the dispersion of filler, the rotating speed of stirring is controlled at 500RPM.
(2). grind and disperse: the glass powder that adds above-mentioned parts by weight; Making beating was ground 15 minutes under high speed dispersion; It is qualified when following to 50um to look into colour examining slurry fineness; Filler grain is dispersed into simple particle under the high shear rate effect of high-speed stirring, and under the effect of dispersing auxiliary system, obtains the stably dispersing state; The rotating speed that making beating is ground is controlled at 1500RPM.
(3). add emulsion: after grinding dispersion at a high speed, add the M8 (mould inhibitor) and the LXE (sanitas) of above-mentioned parts by weight, add pure acrylic acid ester emulsion then, mix; The rotating speed that stirs is controlled at 1000RPM.
(4). add auxiliary agent: add TEXONAL (film coalescence aid), terepthaloyl moietie (frostproofer), CF245 (skimmer) and the TT935 (thickening material) of above-mentioned parts by weight successively, stir, the rotating speed of stirring is controlled at 1000RPM.
(5). add ZONYL
FSE (fluorine auxiliary agent) and the HF200 (wax emulsion) of above-mentioned parts by weight successively; Stir, the rotating speed of stirring is controlled at 800RPM.
(6). packing: as requested coating is contained in the Lacquered Tin Plate Can of different volumes.
Add skimmer in described (1) step and account for 60% of total skimmer weight, remaining skimmer adds in (4) step.
The technical performance index of the aqueous anti-doodling paint that above embodiment makes such as following table:
Appearance transparent varnish
Water tolerance 96h is no abnormal
Alkali resistance 24h is no abnormal
Time of drying, (surface drying) was less than 2h
Low-temperature stability (～18 ℃) never degenerates
Anti-solvent scouring property (ethanol) is not leaked at the end for 50 times
Anti-after tackiness do not after-tack (50 ℃, 2h)
Artificial ageing resistance property 500h is non-foaming, does not peel off flawless
Coating temp. variation resistant (5 circulations) is no abnormal
According to the appraisal procedure of contamination resistance, paint film whiteness rate of descent (%).
The whiteness rate of descent is many more, represents the anti-pollution characteristic of paint film poor more, the performance index of concrete contamination resistance such as following table:
The interior wall resistant that aqueous anti-doodling paint is common
Pollutent whiteness decline coating
China red 1.63 2.17
China black 1.99 2.77
China yellow 0.84 0.83
Wax crayon black 10.19 26.94
Wax crayon green 8.49 10.80
Wax crayon red 12.41 21.40
Wax crayon blue 2.94 13.99
Wax crayon yellow 4.84 6.37
Wax crayon purple 4.84 11.40
Very color red 1.16 32.89
Very color pink 2.11 17.85
Very color blue 0.32 12.21
Very color green 0.21 24.10
Very color purple 1.60 8.54
Very color black 7.89 15.53
Crust is than red 0.52 14.34
Crust is than green 0.11 13.87
Crust BELAND 0.53 1.44
Coffee 0 1.33
Tea 0.11 3.62
Laughable 0.32 0.82
Lipstick 0 1.24
Blue ink 0.41 0.52
Tomato juice 0 0.31
Soy sauce 0 1.13
Ballpoint pen 47.95 53.30
Footwear print 0.21 0.52
Construction and application method:
The common interiro wall latex paint twice of spraying behind the drying varniss 24h, sprays aqueous anti-doodling paint of the present invention 1～2 time on smooth putty ground, and the paint film maintenance had anti-pollution function after doing solid work in 7 days.
Claims (9)
1. aqueous anti-doodling paint is characterized in that, its parts by weight component is following:
2. aqueous anti-doodling paint as claimed in claim 1 is characterized in that, the model that described wax emulsion adopts Shenzhen Hai Chuan chemical industry ltd to produce is the wax emulsion of HF200; Described pure acrylic acid ester emulsion is a filmogen, uses the pure acrylic acid ester emulsion of the model of Dow Chemical's production as DIRTSHIELD K2.
3. aqueous anti-doodling paint as claimed in claim 1 is characterized in that, described dispersion agent is an ammonium polyacrylate salt dispersion agent, uses the dispersion agent of the model of Co., Ltd's production in the Ciba as GA40; Described wetting agent is the nonylphenol class wetting agent, uses the wetting agent of the model of Dow Chemical's production as CF10.
4. aqueous anti-doodling paint as claimed in claim 1 is characterized in that, described film coalescence aid is 2,2,4-trimethylammonium-1,3-pentanediol-isopropylformic acid monoesters.
5. aqueous anti-doodling paint as claimed in claim 1 is characterized in that, described frostproofer is a terepthaloyl moietie.
6. aqueous anti-doodling paint as claimed in claim 1 is characterized in that described skimmer is a mineral oil defoaming agent, uses the skimmer of the model of England Blackburn chemical company production as CF245; Described thickening material is an alkali swelling type thickening material, uses the thickening material of the model of Dow Chemical's production as TT935.
7. aqueous anti-doodling paint as claimed in claim 1 is characterized in that, described mould inhibitor is an OIT class mould inhibitor, and the model of using ROHM AND HAAS China Investment Ltd. to produce is the M8 mould inhibitor; Described sanitas is card conifer sanitas, and the model of using ROHM AND HAAS China Investment Ltd. to produce is the LXE sanitas.
8. like the preparation method of each described aqueous anti-doodling paint of claim 1-7, it is characterized in that it process step that comprises is following:
(1). pre-mixing: in disperseing cylinder, add entry, dispersion agent, skimmer and wetting agent, fully mix, mixing speed is controlled at 300～500RPM;
(2). grind to disperse: add glass powder, making beating was ground 10～25 minutes under high speed dispersion, and qualified when following to 50um through looking into colour examining slurry fineness, the rotating speed that making beating is ground is controlled at 1500～2000RPM;
(3). add emulsion: add mould inhibitor and sanitas earlier, add pure acrylic acid ester emulsion then, mix, mixing speed is controlled at 800～1000RPM;
(4). add auxiliary agent: add film coalescence aid, frostproofer, skimmer and thickening material successively, the control rotating speed stirs at 800～1000RPM;
(5). add fluorine auxiliary agent and wax emulsion successively, the control rotating speed stirs at 800～1000RPM;
(6). packing: as requested coating is contained in the Lacquered Tin Plate Can of different volumes.
9. the preparation method of aqueous anti-doodling paint as claimed in claim 8 is characterized in that, adds skimmer in described (1) step and accounts for 40～60% of total skimmer weight, and remaining skimmer adds in (4) step.
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2009
- 2009-10-30 CN CN2009101934455A patent/CN101698770B/en active Active
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| CN101698770A (en) | 2010-04-28 |
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