CN100467553C - Super whether resistant high antipollution composite elastic construction paint - Google Patents
Super whether resistant high antipollution composite elastic construction paint Download PDFInfo
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- CN100467553C CN100467553C CNB2006100530817A CN200610053081A CN100467553C CN 100467553 C CN100467553 C CN 100467553C CN B2006100530817 A CNB2006100530817 A CN B2006100530817A CN 200610053081 A CN200610053081 A CN 200610053081A CN 100467553 C CN100467553 C CN 100467553C
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Abstract
The invention relates to a super-weather resistance, high-stain resistance, composite elastic building coating, mainly comprising acrylate silicon elastic emulsion 45-55wt%, rutile TiO2 15-20wt%, nano CaCO3 2-3wt% and water the rest, where the silicon-acrylate elastic emulsion mainly comprises methyl methacrylate 11-13wt%, butyl acrylate 32-37wt%, acrylate 1.5-3wt%, organic silicon monomers 6-8wt%, emulsifier 5-3wt%, initiating agent 0.2-0.7wt%, PH regulator 0.1-0.15wt% and water the rest. And it has beneficial effects of: selecting nano CaCO3 and rutile TiO2 to modified-prepare silicon-acrylate elastic building coating, cooperatively improving synthetic performances of the coating and implementing optimum balance of elasticity, resistance, rigidity and stain-resistance.
Description
Technical field
The present invention relates to building material field, mainly is a kind of super resistant high antipollution composite elastic construction paint.
Background technology
Along with improving constantly and the emerge in multitude of Highrise buildings of fast growth of national economy, people's living standard, the decorative effect and the function of building coating are also had higher requirement, performance function type building coating has become the emphasis of current research and development thereupon.
In construction of for many years engineering site and management service process, find; reason such as expand with heat and contract with cold that buildings is subjected to for a long time in use that the erosion of rainwater, carbonic acid gas, sulfur dioxide gas and the temperature difference cause; tend to cause building wall to produce the crack; make common veneer coating lose due decoration function and provide protection, thereby influence the attractive in appearance of buildings and shorten its work-ing life.General building coating belongs to rigidity coating, and they are major function with ornamental and quiet water-repellancy, can not cover the crack (line) of skin surface (being the basic unit of coating) usually.Compare with grouan, face brick, glass curtain wall, stainless steel mirror board etc., building coating has good decorating effect, safety, low consumption, from heavy and light, cost is relatively low and advantage such as easy renewal.For this reason, the performance function coating that exploitation can be met the need of market---super resistant high antipollution composite elastic construction paint is cooperated in company's decision with Hangzhou Design Inst., of New Building Materials Industry, China.
Type that body of wall cracks and reason: buildings is basic unit mostly with the cement sand plaster.Motar reduces the sclerosis crack that produces owing to volume when sclerosis; The temperature that temperature variation produces owing to expanding with heat and contract with cold becomes the crack; Do wet the variation, the desciccation crack that produces owing to moisture expansion and drying shrinkage; The ponding freeze thawing, the freeze thawing crack that produces owing to the water freezing volumetric expansion; Because basic unit's sedimentation produces structural cracks etc.The crack of basic unit can cause protecting the decorative coveringn cracking, and rainwater enters body of wall with the crack seepage, has deepened the destruction to buildings, as the safety of entail dangers to buildingss such as steel bar corrosion.Elastic coating is the (Tg～T of polymkeric substance in certain temperature range
f) keep higher elasticity, toughness and elongation, be coated on substrate surface, film when body of wall cracks (generally being no more than 2mm) when basic unit and can not rupture, have waterproofing and anti-leakage leakage property and decorative effect preferably.
The key of elastic coating and core are elastic emulsions.Common buildings coating belongs to linear amorphous polymer with polymer emulsion.Can find out obviously that from the hot mechanical paths of linear amorphous polymer below temperature T g, along with increase in temperature, deformation (under certain external force effect) value diminishes.At this moment the proterties of superpolymer is very firm, and the deformation when stressed meets hooke's law, i.e. strain is directly proportional with stress, and moment reach balance, this is the proterties of general superpolymer, is referred to as " vitreous state ".At the above T of Tg
fIn the following temperature range, along with increase in temperature, deformation (under certain external force effect) value is bigger, and after external force was removed, deformation can be replied, and has reversibility.On figure, show as a sea line, the proterties rubber like of polymkeric substance at this moment, soft high resilience, this state is called " elastomeric state " (or " rubbery state ").When temperature is higher than T
f, along with increase in temperature deformation (under certain external force effect) value is bigger, polymkeric substance begins VISCOUS FLOW, and deformation at this moment is irreversible, and this state is referred to as " viscous state ".Linear amorphous polymer solid-state has two states: vitreous state and elastomeric state.And filming of elastic coating just need be in this special state of elastomeric state.
From the research of polymer molecule movement mechanism angle, the height of second-order transition temperature Tg depends on the complexity of sub-chain motion, and the factor that influences sub-chain motion is all influential to Tg.For example: the influence of (1) chain kindliness: the main chain that contains C-C, Si-O key rotates easily, very submissive, and the Tg value is low, but influences the spin of main chain if any huge side group, and then the Tg value is high.(2) molecular weight influence: molecular weight increases, and the Tg value increases, but after arriving to a certain degree, does not promptly have very influence.(3) copolymerization influence: two or more monomer copolymerizations, will influence the regularity of chain structure, influence the tight arrangement (crystallization) of chain so help sub-chain motion, the Tg value is reduced, usually between the Tg of its each component homopolymer value, this provides possibility for the Tg value that we design multipolymer to the Tg value of interpolymer.(4) influence of softening agent: simple plasticizer joins and helps sub-chain motion in the polymkeric substance, and the Tg value is reduced.
To have certain elasticity in order making to film in envrionment temperature, must to select the Tg value to be lower than the elastic emulsion of envrionment temperature, the Tg value and the envrionment temperature temperature difference big more (being that Tg is low more) in general, elasticity is good more.Though but cross the unit elongation height of filming that hangs down the Tg value, and good springiness, it is soft to film, and makes under the higher condition of envrionment temperature, " after-tacking " phenomenon occurs, and the contamination resistance of filming is variation then.Therefore synthetic elastic emulsion with suitable Tg value then is crucial.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency, is base-material and provide a kind of with the flexible silicon acrylic emulsion, with rutile TiO
2(particle diameter is 200～300nm) and nanometer CaCO
3For material modified, add the super resistant high antipollution composite elastic construction paint that face, filler and various auxiliary agent make.
The present invention solves the technical scheme that its technical problem adopts.This super resistant high antipollution composite elastic construction paint mainly comprises silicon acrylate elastic emulsion, rutile TiO
2, nanometer CaCO
3And water, its weight proportion is: silicon acrylate elastic emulsion 45-55%, rutile TiO
215-20%, nanometer CaCO
32-3% and water all the other, wherein the silicon acrylate elastic emulsion mainly comprises methyl methacrylate, butyl acrylate, acrylate, organosilane monomer, emulsifying agent, initiator, PH conditioning agent and water, and its weight proportion is: methyl methacrylate 11～13%, butyl acrylate 32～37%, acrylate 1.5～3%, organosilane monomer 6～8%, emulsifying agent 1.5～3%, initiator 0.2～0.7%, PH conditioning agent 0.1～0.15% and water all the other.
Silicon acrylate elastic emulsion of the present invention, rutile TiO
2, nanometer CaCO
3With add color stuffing, dispersion agent, thickening material, defoamer and pH regulator agent in the water, its weight proportion is: silicon acrylate elastic emulsion 45-55%, rutile TiO
215-20%, nanometer CaCO
32-3%, color stuffing 10-20%, dispersion agent 2-3%, thickening material 2-3%, defoamer 0.5-2% and pH regulator agent 0.2-0.5% and water all the other.
Rutile TiO of the present invention
2(Rutile type Titanium Dioxide) proterties: white powder, (water insoluble, no physiology toxicity, stable chemical performance, the surface has remarkable color characteristics, whiteness, brightness, good luster after silicon, aluminium coating and organic process; Advantages such as opacifying power, reducing power and mobile strong have little, the even particle size distribution of particle diameter, and dispersiveness, opacifying power, sticking power and ageing resistance are good have very strong absorption and scattering process to UV-light, thereby can play the effect of shielding ultraviolet rays; By adopting certain dispersion technology, itself and flexible silicon acrylic emulsion are mated well.
Organosilane monomer of the present invention is selected the organosilane monomer that contains vinyl-functional for use, adopts organosilicon that acrylic ester polymer is carried out grafting, copolymerization and modification, and synthetic silicon acrylate elastic emulsion makes it have the advantage of acrylate and silicone resin concurrently.Organism components such as existing carbon, hydrogen in the organosilicon polymer have inorganics components such as silicon, oxygen again, are a kind of typical half inorganic macromolecule materials.Contain Si-O key and Si-C key in the organosilicon molecule, Si-O key bond energy is up to 443.5KJ/mol, the electronegativity of silicon and oxygen is big, approaches ionic linkage, thereby gives performances such as it is heat-resisting, anti-oxidant, radiation hardness, stable to illumination, be not subject to action of ultraviolet ray and deterioration, and in coating, netted siloxanes molecular film has low surface tension, can be evenly distributed in substrate surface, help improving the weather resistance of coating; Next polysiloxane molecule is the shape structure in the shape of a spiral, and methyl is outwards arranged and around the rotation of Si-O key, molecular volume is big, and force of cohesion density is low, thereby gives performances such as hydrophobic, anti-contamination.The copolyreaction process of organosilicon crylic acid latex is as follows:
(a) reactional equation
(b) reactional equation
Determining of organosilane monomer consumption: the adding of organosilane monomer can significantly improve the performance of emulsion.But its consumption is not to be the bigger the better, and when consumption surpassed certain limit, reaction system was extremely unstable, and gel takes place easily.And organosilyl price is higher, considers from the angle of cost, also needs to find out organosilyl optimal addn, and its function is found full expression, and can keep lower cost again simultaneously.
Mix nanometer CaCO in the prescription of the present invention
3, nanometer CaCO
3For material modified, it makes nanometer CaCO
3Dispersion liquid joins in the silicon acrylate elastic emulsion again, makes that reaching nano level disperses.Nano material has a series of special physicochemical performances.At present, nanometer CaCO
3Be one of nano material of a few energy large-scale industrial production, its output is big, and price is relatively low.We adopt nanometer CaCO
3Be function modified material, be distributed in the synthetic high-performance elastic emulsion, can improve the performance of coating significantly, make sticking power, interlayer bonding force, contamination resistance and the abrasion resistance etc. of filming be able to further raising by certain means.Simultaneously, nanometer CaCO
3Can make the TiO in the coating composition
2Suspend, play the effect of anti-settling, increase the stability of coating, improve the opacifying power of coating.Because nanometer CaCO
3Relative low price is used nanometer CaCO
3After can suitably reduce TiO
2Consumption, thereby also can reduce the material cost of coating.
Emulsifying agent of the present invention is a potassium laurate, and initiator is a Potassium Persulphate, and the PH conditioning agent is a sodium bicarbonate.In emulsion polymerization, emulsifying agent plays a part very important.Though it does not participate in reaction directly, the kind of emulsifying agent and consumption thereof and adding mode directly have influence on the success or failure of letex polymerization, and the performance of final gained product emulsion.Especially the formation of nucleocapsid structure, emulsifying agent plays direct influence.The synthetic of core-shell emulsion finished altogether in two steps, and the first step promptly forms " seed " for the polymerization of nuclear, and second step was the polymerization of shell, so such reaction is called seeded emulsion polymerization again.The polymerization process and the conventional emulsion polymerization of the first step nuclear are similar, emulsifying agent need guarantee the stable and emulsion particle reasonable quantity of reaction system, to make shell monomers at the nuclear surface aggregate in the polymerization process of the second step shell, then the amount of emulsifying agent must strictly be controlled, then be easy to form new seed too much, then again gel may take place very little.This is synthetic to be seed emulsion with the polyacrylic ester, is shell with the organosilicon polymer, forms the hard elastomeric polymer of nuclear soft shell.Emulsifying agent is the important component in the emulsion polymerization systems, and having only has effective stabilization to the polymer emulsion system, does not influence the tensio-active agent of polyreaction simultaneously again, just is fit to do the emulsifying agent of letex polymerization.Emulsifier type, concentration with have influence on synthetic emulsion character relevant such as latex viscosity, emulsion particle size and distribution thereof.Can influence the polymerization process of emulsion simultaneously, and reaction process stability.From the product angle, the selection of emulsifying agent and coupling will influence the package stability of product and the reliability of use.
Color stuffing of the present invention is sericite or wollastonite powder.
Dispersion agent of the present invention is poly-phosphate, polyacrylic acid sodium salt, ammonium polyacrylate salt, polyacrylic acid sylvite or Sodium hexametaphosphate 99.Dispersant adsorption, by the electrostatic double layer shielding effect and through suitable production technique, can make the secondary particle of color stuffing disperse to become primary granule, and keep stable in the color stuffing surface.Dispersion agent commonly used has phosphoric acid salt inorganic dispersant, polyacrylate, third rare nitrile-acrylic copolymer, alkyl vinyl ether-maleic acid derivative multipolymer etc., Sodium hexametaphosphate 99 for example, sodium polyacrylate, the SN-5040 of Henkel Corp., SN-5034,188-A, the dispersion effect of dispersion agents such as the 731DP of ROHM AND HAAS are very outstanding.
Thickening material of the present invention is hydrophobic type Polyurethane thickening material RM8W or TT935 thickening material, and hydrophobic type Polyurethane thickening material RM8W or TT935 thickening material are to be produced by Beijing Orient-Rhom and Hass.Be that coating can be satisfied and store and the requirement of construction, must add thickening material and rheology modifier,, when construction, keep good mobile rheology effect to reach in stable condition in the storage.At present the thickening material that generally uses is hydrophobic modified derivatived cellulose (HMHEC), hydrophobic modified polyacrylate (HASE), synergism type thickening material (HEVR) three major types.RM-8W, RM-2020, ASE-60, the TT935 of ROHM AND HAAS can also have been selected for use, Akzo Nobel's BERMOCOLLE/EBS481, domestic brand EHC, thickener rheology agents such as RHEOLATE-430, the RHEOLATE-255 of U.S. RHEOX company, RHEOLATE-278.
Elastic coating is filmed and is had elasticity, has the fissured ability of covering, be coated with elasticity and elasticity coating thickness that film elasticity depends primarily on elastic coating itself, the more common coating of elasticity coating thickness is coated with thickness, common elasticity dry coating film thickness is at 250～450 μ m, and traditional coating build is 50～75 μ m.Obtain thick film, require coating that very high non-volatile content is arranged, the characteristics of high solid coating are to disperse water consumption few, disperse the slurry viscosity of gained big, and bubble is difficult to build up rise and in the coating.The emulsion consumption is big in the formulation for coating material again, easily bubbles the degree of difficulty of more having deepened froth breaking in coating material production and the use.The direct result that bubble can not be deviate from the coating is that film pin hole, hollowing is many, and the existence of a large amount of pin holes and hollowing has destroyed the integrity of filming, and reduces compactness, antiseep, the coating strength of filming.Therefore producing elastic coating at first is to solve the froth breaking problem.Defoamer of the present invention is emulsion paint defoamer DEFOAMER334, chemical name: emulsion paint defoamer, form: nonionisable substance, this product are faint yellow opaque liqs, activeconstituents 100%, belong to non-ionic type, do not disperse in water, it is a kind of efficient liquid defoamer, and the broken bubble speed of more common defoamer is fast, broken rill there is positive effect, has long-acting defoaming.It presses down bubble in systems such as resin emulsion, water-borne coatings, water color ink, tamanori, broken light effect is outstanding.
The PH conditioning agent that pH regulator agent of the present invention is AMP95 is produced by U.S. Purachem company aqueous promoter.
The effect that the present invention is useful; 1, butyl acrylate (BA), methyl methacrylate (MMA), acrylate have been selected for use.Wherein MMA is a hard monomer, can give and filming with suitable hardness and intensity, makes it have higher use temperature and certain gloss, and is simultaneously anti-scratch.And BA is a soft monomer, gives the snappiness of filming, ductility and sticking power.2, organosilicon function monomer modification acrylate, adopt the hud polymerization emulsion technology, the development synthetic kernel is a soft monomer, shell is the silicon acrylate elastic emulsion of hard monomer, siloxanes hydrolytie polycondensation in acid-organosilicon crylic acid resin during drying and forming-film, forming interpenetrating(polymer)networks, 3 D cross-linked firm structure between polymer molecule and between polymkeric substance and base material; 3, select nanometer CaCO for use
3And rutile TiO
2Modified-prepare silicon third elastic building paint, the over-all properties that collaborative raising is filmed, the optimum balance of practical elasticity, patience and rigidity, contamination resistance.4, adopt fluorine carbon cover compounding technology simultaneously, have high abrasion resistance, high dirt resistance and high artificial ageing resistance.
Description of drawings:
Fig. 1 is the technological process of production figure of silicon acrylate elastic emulsion of the present invention;
Fig. 2 is composite elastic building coating technological process of production figure of the present invention;
Embodiment:
Below in conjunction with drawings and Examples the present invention is further described.
Embodiment 1: this super resistant high antipollution composite elastic construction paint mainly comprises silicon acrylate elastic emulsion, rutile TiO
2, nanometer CaCO
3And water, its weight proportion is: silicon acrylate elastic emulsion 45%, rutile TiO
215%, nanometer CaCO
32% and water all the other, wherein the silicon acrylate elastic emulsion mainly comprises methyl methacrylate, butyl acrylate, acrylate, organosilane monomer, emulsifying agent, initiator, PH conditioning agent and water, and its weight proportion is: methyl methacrylate 11%, butyl acrylate 32%, acrylate 1.5%, organosilane monomer 6%, emulsifying agent 1.5%, initiator 0.2%, PH conditioning agent 0.1% and water all the other.
Embodiment 2: this super resistant high antipollution composite elastic construction paint mainly comprises silicon acrylate elastic emulsion, rutile TiO
2, nanometer CaCO
3And water, its weight proportion is: silicon acrylate elastic emulsion 55%, rutile TiO
220%, nanometer CaCO
33% and water all the other, wherein the silicon acrylate elastic emulsion mainly comprises methyl methacrylate, butyl acrylate, acrylate, organosilane monomer, emulsifying agent, initiator, PH conditioning agent and water, and its weight proportion is: methyl methacrylate 13%, butyl acrylate 37%, acrylate 3%, organosilane monomer 8%, emulsifying agent 3%, initiator 0.7%, PH conditioning agent 0.15% and water all the other.
Embodiment 3: difference from Example 1 is: described silicon acrylate elastic emulsion, rutile TiO
2, nanometer CaCO
3With add color stuffing, dispersion agent, thickening material, defoamer and pH regulator agent in the water, its weight proportion is: silicon acrylate elastic emulsion 45%, rutile TiO
215%, nanometer CaCO
32%, color stuffing 10%, dispersion agent 2%, thickening material 2%, defoamer 0.5% and pH regulator agent 0.2% and water all the other.
Described emulsifying agent is a potassium laurate, and initiator is a Potassium Persulphate, and the PH conditioning agent is a sodium bicarbonate, and described color stuffing is sericite or wollastonite powder; Described dispersion agent is poly-phosphate, polyacrylic acid sodium salt, ammonium polyacrylate salt, polyacrylic acid sylvite or Sodium hexametaphosphate 99.Described thickening material is hydrophobic type Polyurethane thickening material RM8W or TT935 thickening material.Described defoamer is emulsion paint defoamer DEFOAMER334.The PH conditioning agent that described pH regulator agent is AMP95.
The technological process of production of silicon acrylate elastic emulsion as shown in Figure 1, the composite elastic building coating technological process of production as shown in Figure 2:
By test relatively, the copolyreaction temperature of silicon-acrylate elastic emulsion is the key parameter that influences copolymer emulsion speed of response, emulsion particle diameter and stability.By comparison test discovery repeatedly in 60～95 ℃ of scopes, emulsion property was the most stable when temperature of reaction remained on 70 ℃ of left and right sides.Feed way has also influenced level of response simultaneously, adopts disposable feeding method, the continuous dripping method of monomer, pre-emulsion process, batch charging method etc. during test respectively.Test-results shows, with batch charging method the best, is about to emulsifying agent and adds in the entry, adds the monomer initiator again, makes to keep 75 ℃ after its emulsification and drip remaining monomer and initiators, keeps reaction 2～4h.
The performance index of silicon acrylate elastic emulsion (seeing Table 1)
The performance index of table 1 silicon acrylate elastic emulsion
| Project | Performance index |
| Solid content | 48～50％ |
| Viscosity (being coated with-4 glasss, 25 ℃)/s | 13.5～15 |
| PH value | 7.0～7.5 |
| Median size/μ m | <0.1 |
| Sticking power (drawing the circle method)/level | 0 |
| Water-intake rate/% | 8.5～9 |
| Elongation/% | >600 |
| Tensile strength/MPa | >1.0 |
| Mechanical stability | Qualified |
| Ca +Ion stability | Qualified |
Nanometer CaCO
3The preparation of dispersion liquid:
Because nano particle diameter is little, specific surface area is big, and the surface energy height is easy to reunite.Nano-component is dispersed with 2 approach in coating system: the one, and the energy of increase system, the general using mechanical dispersion method makes the refinement under the effect of strong shearing force of a large amount of cluster of grains aggressiveness, depolymerization; The 2nd, reduce the nano grain surface energy, increase intergranular phase repulsive interaction.By in coating system, adding suitable dispersion agent etc., change the surface properties of nano particle, reduce its surface energy, increase intergranular electrostatic repulsion and sterically hindered, be to guarantee that nano particle fully disperses and can significantly improve the important channel of paint stability.
According to the dlvo theory of expansion, the resultant action of nano particle in coating system can F=Fn+Fs+Fr+Fp.Wherein Fn is a sucking action energy between particle, and Fs is the solvation membrane interaction energy that particle surface produces, and Fr is an electrostatic double layer electrostatic interaction energy, and Fp is a sterically hindered interaction energy between particle.Make the nano-component stable dispersion, just must increase the resultant action energy that repels mutually between particle.This can increase particulate electrostatic double layer electrostatic interaction energy Fr and sterically hindered interaction energy Fp by add suitable dispersion agent in coating system; Or nano-component carried out modification, increasing particle surface solvation membrane interaction can realize by Fs.
Order of the present invention is by selecting suitable dispersion agent and defoamer, in advance with nanometer CaCO
3After making the water body dispersion liquid, realize nanometer CaCO with the base-material composite methods again
3Stable dispersion in coating.Whether the nano-component coacervate is stablized and is depended on whether dispersed particles reassociates into aggregate separately after disperseing or smashing.Have only added dispersion agent stronger effect to be arranged with the nano-component particle, significantly reduce the particulate interfacial tension, increase the thermodynamic stability of dispersion system, could keep the stable of system, the dispersion agent add-on is modified Nano CaCO
33% of quality.
Embodiment 4: difference from Example 3 is: described silicon acrylate elastic emulsion, rutile TiO
2, nanometer CaCO
3With add color stuffing, dispersion agent, thickening material, defoamer and pH regulator agent in the water, its weight proportion is: silicon acrylate elastic emulsion 50%, rutile TiO
220%, nanometer CaCO
33%, color stuffing 10%, dispersion agent 3%, thickening material 3%, defoamer 1% and pH regulator agent 0.2% and water all the other.
Claims (8)
1, a kind of super resistant high antipollution composite elastic construction paint is characterized in that: mainly comprise silicon acrylate elastic emulsion, rutile TiO
2, nanometer CaCO
3And water, its weight proportion is: silicon acrylate elastic emulsion 45-55%, rutile TiO
215-20%, nanometer CaCO
32-3% and water all the other, wherein the silicon acrylate elastic emulsion mainly comprises methyl methacrylate, butyl acrylate, acrylate, organosilane monomer, emulsifying agent, initiator, PH conditioning agent and water, and its weight proportion is: methyl methacrylate 11～13%, butyl acrylate 32～37%, acrylate 1.5～3%, organosilane monomer 6～8%, emulsifying agent 1.5～3%, initiator 0.2～0.7%, PH conditioning agent 0.1～0.15% and water all the other.
2, super resistant high antipollution composite elastic construction paint according to claim 1 is characterized in that: described silicon acrylate elastic emulsion, rutile TiO
2, nanometer CaCO
3With add color stuffing, dispersion agent, thickening material, defoamer and pH regulator agent in the water, its weight proportion is: silicon acrylate elastic emulsion 45-55%, rutile TiO
215-20%, nanometer CaCO
32-3%, color stuffing 10-20%, dispersion agent 2-3%, thickening material 2-3%, defoamer 0.5-2% and pH regulator agent 0.2-0.5% and water all the other.
3, super resistant high antipollution composite elastic construction paint according to claim 1 and 2, it is characterized in that: described emulsifying agent is a potassium laurate, and initiator is a Potassium Persulphate, and the PH conditioning agent is a sodium bicarbonate.
4, super resistant high antipollution composite elastic construction paint according to claim 2 is characterized in that: described color stuffing is sericite or wollastonite powder.
5, super resistant high antipollution composite elastic construction paint according to claim 2 is characterized in that: described dispersion agent is poly-phosphate, polyacrylic acid sodium salt, ammonium polyacrylate salt, polyacrylic acid sylvite or Sodium hexametaphosphate 99.
6, super resistant high antipollution composite elastic construction paint according to claim 2 is characterized in that: described thickening material is hydrophobic type Polyurethane thickening material RM8W or TT935 thickening material.
7, super resistant high antipollution composite elastic construction paint according to claim 2 is characterized in that: described defoamer is emulsion paint defoamer DEFOAMER334.
8, super resistant high antipollution composite elastic construction paint according to claim 2 is characterized in that: the PH conditioning agent that described pH regulator agent is AMP95.
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| CZ300735B6 (en) * | 2007-12-11 | 2009-07-29 | Advanced Materials - Jtj, S. R. O. | Multifunctional coat of paint with photocatalytic and sanitary effect and process for preparing thereof |
| CN101818012B (en) * | 2009-02-26 | 2012-10-03 | 北京东方雨虹防水技术股份有限公司 | Elastic exterior coating material |
| CN101974273B (en) * | 2010-10-09 | 2012-10-03 | 广州市枫源化工有限公司 | Exterior wall coating and preparation method thereof |
| CN104830181A (en) * | 2015-05-14 | 2015-08-12 | 广东朗法博涂装新材料科技有限公司 | Acrylic acid water-based paint and preparation method thereof |
| CN107099208A (en) * | 2017-07-07 | 2017-08-29 | 佛山领新信息科技有限公司 | A kind of antifouling and easy cleaning interior wall coating and preparation method thereof |
| CN107337980A (en) * | 2017-07-21 | 2017-11-10 | 宁国市迪克涂料装饰有限公司 | Aqueous, environmental protective nano-negative ion decomposable asymmetric choice net smog coating and preparation method thereof |
| CN110746829A (en) * | 2019-10-30 | 2020-02-04 | 中电建路桥集团有限公司 | Nano calcium carbonate modified silicon-acrylic concrete protective agent and preparation method thereof |
| CN111303713A (en) * | 2020-04-27 | 2020-06-19 | 成都新柯力化工科技有限公司 | Ultraviolet light aging resistant environment-friendly coating and preparation method thereof |
| US20230130177A1 (en) * | 2021-10-27 | 2023-04-27 | Armstrong World Industries, Inc. | Stable high temperature coating compositions and methods of preparing and using the same |
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