CN109082186A - Multifunctional ecological coating without formaldehyde and VOC - Google Patents
Multifunctional ecological coating without formaldehyde and VOC Download PDFInfo
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- CN109082186A CN109082186A CN201810794434.1A CN201810794434A CN109082186A CN 109082186 A CN109082186 A CN 109082186A CN 201810794434 A CN201810794434 A CN 201810794434A CN 109082186 A CN109082186 A CN 109082186A
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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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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Abstract
The present invention provides a kind of multifunctional inorganic ecologic coating without formaldehyde and VOC.The coating includes, by weight: 50-90 parts of inorganic mineral powder, 5-60 parts of emulsion polymer, 0.1-10.0 parts of thickener, 0.1-5.0 parts of surfactant, 0.01-5.0 parts of pigment.The multifunctional ecological coating is free of formaldehyde and VOC, be especially suitable for indoor coating.
Description
Technical field
The invention belongs to technical field of coatings, are related to a kind of multifunctional ecological coating and its system without formaldehyde and VOC
Preparation Method is related to a kind of multifunctional inorganic ecologic coating.
Background technique
Currently, for environment and healthy reason, people increasingly pay close attention to the exploitation of the lower coating of VOC content.Nontoxic, nothing
Taste, low VOC (Volatile Organic Compound, VOC), even " Diamond Search " it is environment-friendly type aqueous
Coating is becoming increasingly popular.VOC is mainly derived from residual monomer, coalescing agent and other auxiliary agents in lotion in water paint.
How so that the residual monomer content in lotion is gone to zero by improving polymerization technique, and coalescing agent is not added can form a film,
It is all the emphasis studied at present.
CN105482517A discloses a kind of ecological multifunction inorganic coating without formaldehyde and V0C, and constituent presses matter
Amount percentage is divided into: ultra-fine sierozem power 15-35%, TF-05 powder thickener 0.2-0.5%, P871 powder coalescing agent 0.2-
0.5%, ripple stone 45-55%, pigments and fillers 4% and functional additive 6%.
CN107964262A discloses a kind of water paint, and the coating is made of following raw material: edible glue, carbonic acid
Calcium, calcium bicarbonate, diatomite, talcum powder, pulverized limestone, cellulose, organosilicon fluorescein polymer, mountain flour, rubber powder, corn flour,
Silica flour, mica titanium, kaolin, methyl methacrylate, butyl methacrylate, natural synthetic resin, methyl acrylate, third
Olefin(e) acid ethyl ester.
CN107779078A discloses a kind of low smell water-borne wood coating of low VOC, the low smell Waterborne wood of the low VOC
Device coating is made of feedstock composition, and the feedstock composition includes: polyether polyol 50-80 parts by weight, diisocyanate 50-
80 parts by weight, acrylic resin 60-100 parts by weight, catalyst 3-8 parts by weight, graphene oxide 2-10 parts by weight, starch 3-12
Parts by weight, castor oil 5-15 parts by weight, emulsifier 2-9 parts by weight, defoaming agent 1-5 parts by weight, thickener 2-8 parts by weight, film forming
Auxiliary agent 1-5 parts by weight, preservative 1-3 parts by weight.
CN105885668A discloses a kind of water borne soft-feel coating of Diamond Search comprising the raw material of following mass parts: aqueous
30-90 parts of polyether-modified type polyurethane dispersion, 1-10 parts of feel auxiliary agent, 1-8 parts of leveling auxiliary agent, 1-10 parts of crosslinking agent, pH tune
Agent 1-8 parts, 1-30 parts of deionized water of section.
CN107083167A discloses a kind of waterborne radiation curable coating of zero VOC discharge, and the coating is by following
The raw material of weight percentage forms: synthesis of polyurethane 72-85%, inorganic additive 3-10%, auxiliary agent 0.5-3%, deionized water
10-15%；Wherein the synthesis of polyurethane is water soluble hydroxy NCO grade separation structure tree shaped polymer.
CN102732077B discloses the low VOC/ Diamond Search glycol ether-ester of the coalescent as aqueous polymer dispersions,
And the water-based paint compositions comprising the compound, it includes aqueous polymer dispersions and 0.1-40 weight %(with described
Counted on the basis of the weight of aqueous polymer dispersions solid) glycol ether-ester coalescent, and by the water-based paint compositions shape
At the method for coating.
CN104987758A discloses a kind of aqueous inorganic shop primer, and the aqueous inorganic shop primer is by component A and B group
It is grouped as, the weight ratio of component A and B component is 3:5, and by weight, the composition and content of component A and B component are as follows: A group
Point composition and content: Baume degrees is 90-120 parts of waterglass of 38-42,25-30 parts of silicone acrylic emulsion, 0.8-1.2 parts of levelling agent,
1-1.5 parts of dispersing agent, 0.5-0.8 parts of corrosion inhibiter, 25-40 parts of water；The composition and content of B component: 80-100 parts of zinc powder, apatite
60-72 parts of powder, 15-18 parts of mica powder, 5-15 parts of calcium silicates powder, 0-7 parts of SiO 2 powder.
UA4891394 discloses a kind of coating composition, wherein using epoxy resin binder for film formation, and wherein at least
The pyrolysis amorphous silica of four kinds of different size grades exists with special ratios and average particle size, while having oil factor small
In crystalline silica.
US5167701A discloses a kind of one pack system zinc-rich paint composition, with inorganic bond, protects metal
Substrate is from environmental attack, and include percent by volume: the alkyl solid content of about 55% to about 60% is about 35% to about 45%
The silicate solutions of (weight)；The zinc powder of about 10% to about 14% of at least one different grain size grade；About 0.5% to about
2.5% zinc metal sheet；The graininess ferric phosphate of about 3% to about 6%；By ASTM Test D 281-84 measurement about 10% to about
Crystalline particulate silica of 17% oil factor less than 20；The different size grades of at least two of about 1% to about 2.5%
It is pyrolyzed amorphous silica, average particle size is about 0.007 to about 0.04 micron；The wetting agent of about 0.3% to about 0.5%；
About 7% to about 8% anhydrous alcoholic solvent.
" development of novel building inorganic coating " thanks literary peak etc., New Building Materials, 2013,40 (11): 35-39, disclosure
A kind of inorganic coating adds a small amount of low VOC macromolecule emulsion and correlation helps with potassium silicate, silica solution for main film forming matter
Agent, and the filler systems with certain high temperature resistance are equipped with, aqueous inorganic building coating is made.The coating decorative performance is good
Good, environmentally protective, low VOC emission meets JG/T 26-2002 " exterior wall inorganic architectural coatings " and GB 24408-2009 " building
With limits of harmful substances in exterior coating " standard requirements, meet GB 8624-2006 " construction material and product burns performance point
Grade " as defined in A2 grade require, can be applied to skyscraper, public building etc..
Currently, a variety of methods can be used to provide in order to reduce the volatile organic compounds in emulsion paint (VOC)
Low VOC or Diamond Search emulsion paint.For example, replacing conventional solvent using reactive diluent.But the shelf-life of high response diluent
It is short, it is not suitable for building coating, and low activity diluent is not efficient enough, adhesion resistance is poor.For another example, use inorganic mineral powder as
The main component of coating is easy to happen particle coalescence however, when using inorganic particle as paint ingredient, and with it is other
COMPONENTS COMPATIBILITY is poor.
In addition, general film forming agent has a possibility that VOC volatilization, this gives the coating composition for preparing low VOC or Diamond Search
Bring certain difficulty.How to prevent inorganic constituents particle from sedimentation or aggregation, and a current problem occurs.For example, inorganic
Mineral slurries are usually incompatible with latex adhesive used in water-based paint compositions.The form of inorganic mineral particles aggregation,
Which reduce the light scattering efficiencies of pigment, or due to depositing in the form of compared with low gloss in slurry there are incompatible dispersing agent
?.
Therefore, this field needs one kind without formaldehyde and is free of VOC or the much lower function ecologic coating of VOC content, at
Film needs that there is low VOC or Diamond Search and the coating to need improved inorganic mineral particles and emulsion polymer film forming agent
Compatibility, the reduction of gloss in the aggregation and water-based paint compositions to inhibit inorganic mineral particles.In addition, this field needs to change
Kind compatibility of the inorganic pigment in aqueous coating.
Summary of the invention
In order to solve the above-mentioned technical problem, the present inventor is on the basis of previous research, by further furtheing investigate and
Many experiments provide following technical scheme by cooperative research and development.
In one aspect of the invention, a kind of multifunctional inorganic ecologic coating composition without formaldehyde and VOC is provided, with
Poidometer, which includes: 50-90 parts of inorganic mineral powder, 5-60 parts of emulsion polymer, 0.1-10.0 parts of thickener, surface is living
0.1-5.0 parts of agent, 0.01-5.0 parts of pigment of property.
Preferably, inorganic mineral powder is 60-80 parts, and emulsion polymer is 20-50 parts, and thickener is 1.0-5.0 parts, surface
Activating agent is 0.1-3.0 parts, and pigment is 0.1-2.0 parts.
The emulsion polymer may be used as film forming agent in coating composition of the invention.General film forming agent, which has, to be waved
A possibility that sending out VOC, this is to preparing low VOC or the coating composition of Diamond Search brings certain difficulty.For this purpose, the present invention provides
A kind of extremely low, even Diamond Search emulsion polymer.The emulsion polymer is the polymer of functionalization, i.e. functionalization emulsion polymerization
Object, more preferably poly- (the methyl acrylate -co- methyl methacrylate -co- glycidyl methacrylate) of silanization.
The emulsion polymer can be prepared by semi-continuous emulsion polymerizing method.
In a particularly preferred embodiment, which is made by the following method:
(1) reaction vessel is led to nitrogen to protect, initial charge is then added into reaction vessel；
(2) reaction vessel is then heated to 80-90 DEG C using water-bath, is continuously added to monomer feed and aqueous feed, it is continuous to add
Material completion in 3-5 hour, after adding, by reaction system 80-90 DEG C holding 1-2 hours to complete to polymerize, then filter, obtain
To emulsion polymer.
Preferably, in step (1), the initial charge includes the water and 0.0001-0.002 weight of 240-260 parts by weight
Measure the HEDTA-3NA of part.HEDTA-3NA plays chelating agent during the reaction.
Preferably, in step (2), the monomer feed includes 100-120 parts by weight of acrylic acid methyl esters, 50-70 weight
The methyl methacrylate of part, the glycidyl methacrylate of 10-20 parts by weight, γ-metering system of 5-10 parts by weight
Acryloxypropylethoxysilane trimethoxy silane.
Preferably, in step (2), aqueous feed include 50-60 parts by weight of deionized water, the ten of 2.0-3.0 parts by weight
Dialkyl diphenyl ether sodium disulfonate surfactant, the sodium peroxydisulfate of 0.2-1.0 parts by weight, the bicarbonate of 0.1-1.0 parts by weight
Sodium.
It is indicated herein to be, each ingredient in weight of material part and coating composition in the emulsion polymer preparation method
Parts by weight it is mutually indepedent, that is, be not based on same benchmark or same datum.In emulsion polymer preparation method, all wt part
It is based on same benchmark.And the parts by weight of each ingredient are based on same benchmark in coating composition.
The study found that the water paint of the invention based on the latex dispersions, VOC content is applied far below solvent type
Material.It is known in the art to replace solvent-borne formulation suitable or improved with the acquisition of suitable or lower cost with latex base coating
Performance.Compared with solvent based coating, the coating of these types has the advantages that several, such as low smell, quick-drying and manufacturing cost be low
It is honest and clean.The study found that the latex paint formulations of most commercial still contain a large amount of organic solvent (VOC of 15-30 weight %), add
The purpose for entering organic solvent is glass transition temperature as coalescing aid to reduce emulsion polymer (also referred to as latex polymer)
It spends (Tg).In the case where these no solvents, latex particle has 25 DEG C of Tg >, cannot form film at room temperature, because
This is used as fugitive plasticizer using solvent to reduce polymer Tg and reduce its modulus, these, which are all given, prepares low VOC coatings and bring
It is difficult.
Test shows that emulsion polymer of the invention by self-crosslinking mode, has particularly good film forming and polymer
Diffusion rate.The polymer Tg of the drying regime of emulsion polymerization composition granule of the invention is 4-6 DEG C, it is not necessary that solvent is added as poly-
Tie auxiliary agent.In addition, epoxy group and carboxylic acid in glycidyl methacrylate are anti-in emulsion polymer of the invention
It answers, they are reacted on the surface that can be used for that surfactant is grafted to carboxylate latex particle with acid, and epoxy group rises
It is acted on to crosslink sites, by being crosslinked, the mechanical performance of polymer, such as filming performance can be improved, and being capable of polymer
Stability significantly improves, and can effectively inhibit the generation and evolution of possible VOC.
The present inventor it is also found that: when silane functional is integrated in emulsion polymer, and wherein mixes hydroxyl through research
The routine functionalizing method of functional group is on the contrary, make polymer material have excellent crosslinking ability compared with standard monomer, together
When with significant reduced solution viscosity.This reduced polymer viscosity provides the viscosity of coating composition reduction in turn,
To provide higher spraying solid and lower volatile organic content (VOC).
The weight average molecular weight of the emulsion polymer can be 60000-80000, preferably 70000-80000.
Preferably, the inorganic mineral powder is selected from ripple mountain flour, ultra-fine sierozem power, diatomite in powder, talcum powder, mica titanium
One of powder, kaolin powder, quartz sand powder and potassium silicate powder are a variety of.
Preferably, the inorganic mineral powder is the surface modified inorganic mineral powder of powder granule.It is highly preferred that surface changes
Property include carrying out hydrophobically modified or hydrophilic modifying or surface coated polymer.
Preferably, the pigment is inorganic pigment.It is highly preferred that the inorganic pigment is selected from MnO2、MgSiO3、
CaCO3, one of ZnO or a variety of inorganic pigments.
The average grain diameter of the inorganic mineral powder can be 10-300nm, preferably 50-200nm.
The mean particle size of the inorganic pigment can be 10-200nm, preferably 20-150nm.
The thickener is the common thickener for water paint.
In coating composition of the invention, since the inorganic mineral powder and inorganic pigment that have used larger proportion (can also
It is referred to as inorganic mineral), the particle and emulsion polymer of inorganic mineral powder and inorganic pigment can be produced due to the difference of various properties
Raw consistency problem.In the prior art, in order to solve described problem, a kind of method be inorganic particle height is ground, however
This method can not fundamentally solve consistency problem, and grinding is high energy consumption, high cost process process, will lead to coating
Cost dramatically increases；Another kind, which reduces the method that inorganic particle occurs to settle and assemble in the polymer, to be made using dispersing agent
Conventional dispersant includes the sodium salt etc. of 2-amino-2-methyl-1-propanol, triethanolamine and polymerization of carboxylic acid, however this kind of
The use of substance is only more effective for the situation of the inorganic mineral in coating containing minor proportion, and can seriously affect coating
Film forming reduces and applies the performances such as film strength.For this purpose, the present invention is for inorganic mineral and emulsion polymerization used in coating
Object improves the compatibility between aforementioned substances as compatilizer using lower surface activating agent, to avoid generate it is aforementioned sedimentation,
Isolation and rendezvous problem.
Preferably, surfactant of the invention is lower formula (I) compound represented:
Formula (I)
Wherein R1For group shown in lower formula (II):
The present invention by adding above-mentioned surfactant in the coating composition, seldom generation or several in the water-based paint compositions
The aggregation that inorganic mineral particles or granules of pigments do not occur has good dispersing uniformity and compatible in emulsion polymer
Property.As illustrated in fig. 1 and 2, compared with the coating composition for using conventional commercial surfactant, coating composition of the invention is protected
Hold the more preferable dispersion of inorganic particle or granules of pigments and compatible.Due to described good uniformly dispersed, painting prepared by the present invention
Feed composition also has excellent shear viscosity, low-shear viscosity and excellent gloss and covering power, and film obtained has
Higher intensity, such as the hardness of film made from coating composition of the invention can be usually reached at least 2B, and if using one
As commercial surfactant, hardness is usually 4B.
It is particularly preferred that surfactant shown in the formula (I) is prepared via a method which:
It will (such as 130g, i.e. 1.0mol) 2-Hydroxyethyl methacrylate and (such as 0.2g, that is, 1.61mmol) mono-methylether hydroquinone
Be placed in the reactor equipped with mechanical agitator, thermometer and condenser, make about 50 DEG C of temperature of reactor, then will (such as
59.22g, that is, 0.35mol) phosphorus pentoxide is slowly added into reactor, and reaction temperature is maintained at 50 DEG C hereinafter, in nitrogen ring
Reaction 2-6 hours is carried out under border, is cooled to room temperature, is filtered, and is purified to get surfactant shown in formula (I).
It is characterized by IR, in 990cm-1Neighbouring strong peak shows the formation of C-O-P key in synthetic product.
The purifying can be carried out by way of conventional adjusting pH value of reaction system.
The preparation method is simple and reliable compared with phosphoric acid method, high income and product purity height, and exists with including phosphoric acid method
Interior other preparation methods are compared, and remaining a small amount of impurity is to by the coating preparation in surfactant made from this method
Film performance is for example mechanical and luster performance is almost without influence.In addition, research also found, the insatiable hunger in the surfactant molecule
Polymerizing curable effect can occur with key and emulsion polymer, and the hydroxyl on phosphorus atoms simultaneously can be with inorganic particle surfaces
Hydroxyl occur hydrogen bond action, to realize the fine dispersion of emulsion polymer and inorganic particle.
As known to paint field, it can also be added into ecologic coating composition of the invention suitable chosen from the followings
At least one additive: plasticizer, retarder, dispersing agent, wetting agent, rheology modifier, defoaming agent, coalescent, mould inhibitor,
Toner, fragrance etc..Those skilled in the art can according to need selected from these conventional additives addition specific type and
Dosage is to meet specific coating property requirement.
In another aspect of this invention, the method for preparing above-mentioned multifunctional inorganic ecologic coating, this method packet are provided
It includes and is uniformly mixed each coating composition.
Preferably, in the method, mixing step is included in surfactant and emulsion polymer, thickener and inorganic
Pigment mixes surfactant with inorganic mineral powder with before mixing.When the surfactant is mixed with inorganic mineral powder,
It is preferred that using as an aqueous solution.When as an aqueous solution in use, the concentration of surfactant is preferably 10-30 wt.%.It is excellent
The surfactant and inorganic mineral powder are thoroughly mixed uniformly by selection of land.It is highly preferred that by the aqueous solution form
Surfactant and inorganic mineral powder are thoroughly mixed uniformly.
In still another aspect of the invention, the method using above-mentioned multifunctional inorganic ecologic coating is provided, this method includes
The coating is mixed with water, wherein the dosage of the water can be 10-500 parts.The dosage of the water does not include working as surface-active
Water used when agent uses as an aqueous solution.In fact, it will be appreciated by those of skill in the art that when surfactant is with water
Solution form is in use, the dosage of water and few.
In fact, the water can also be considered as a part of multifunctional inorganic ecologic coating composition, dosage can be
It is 10-500 parts, preferably 20-200 parts, 50-100 parts more preferable.
For the present invention, " low VOC " refers to that the VOC content of coating composition is not greater than about 150g/L, preferably no greater than
About 50g/L, more preferably less than 20g/L, such as no more than about 10g/L or it is not greater than about 8g/L.
For the present invention, referring to the definition of U.S. EPA Method Method 24, " Diamond Search " refers to coating composition
VOC content is not greater than about 5g/L, such as no more than about 2g/L or is not greater than about 1g/L, or the detection limit of such as less than this method；
Alternatively, referring to that detection of the VOC lower than GB 18582-2008 limits.
Preferably, desciccator diaphragm made of coating composition of the invention has at least 60 glossiness at 60 DEG C.It is preferred that
Ground, desciccator diaphragm made of coating composition of the invention have at least Pencil Hardness values of 9H.Above-mentioned measurement refers to GB/T
1743-1979, GB/T 6739-1996 are carried out.
Compared with prior art, multifunctional ecological coating of the invention is free of formaldehyde and VOC, is suitable as indoor coating.
In addition, the coating can effectively prevent inorganic constituents particle (i.e. inorganic mineral particles and inorganic pigment granules) to occur in use
Sedimentation or aggregation, inorganic constituents particle can be well dispersed into emulsion polymer, so that good film-forming property, intensity is high, gloss
It is good.Due to the use of self-crosslinking emulsion polymer, the coating is without formaldehyde and low without VOC or VOC content.Coating of the invention
In without can produce the ingredient of formaldehyde, and based on inorganic constituents, therefore the coating composition is referred to as without first
The multifunctional inorganic ecologic coating of aldehyde and VOC.
In addition, inorganic mineral powder can have not with the function of the excellent antimildew and antibacterial of imparting coating under lower cost
Whiten, without degradation, there is best thickening fixed effect in coating, has good scrub resistance, adhesive force, increase machinery strong
Degree has good weatherability, wearability, water resistance, stain resistance and excellent painting effect, and production process is simple, environmental protection
Health can meet the market demand in this field.
Detailed description of the invention
Fig. 1, which is shown, is added commercial surfactant according to comparative example 2() inorganic particle and latex particle dilution it is mixed
Close the form of object；
Fig. 2, which is shown, is added surfactant according to the present invention according to embodiment 3() inorganic particle and latex particle it is dilute
Release the form of mixture；
Fig. 3 is the SEM-EDX spectrogram of surfactant according to the present invention.
Specific embodiment
It is to illustrate specific embodiments of the present invention, but the present invention is not limited thereto below.
Embodiment 1
Reaction vessel is led to nitrogen to protect, initial charge is then added into reaction vessel, wherein the initial charge packet
The HEDTA-3NA of water and 0.0001 parts by weight containing 250 parts by weight；Then flask is heated to 90 DEG C using water-bath, it is continuous to add
Enter monomer feed and aqueous feed, continuous charging is completed in 4 hours, wherein the monomer feed includes 110 parts by weight propylene
Sour methyl esters, the methyl methacrylate of 60 parts by weight, the glycidyl methacrylate of 10 parts by weight, γ-first of 6 parts by weight
Base acryloyloxypropyltrimethoxysilane, the aqueous feed include 60 parts by weight of deionized water, the 12 of 2.0 parts by weight
Alkyl diphenyl ether disulphonic acid natrium surfactant, the sodium peroxydisulfate of 0.3 parts by weight, the sodium bicarbonate of 0.2 parts by weight, after adding,
Latex is kept for 1 hour at 90 DEG C to complete polymerization, then filters, obtains emulsion polymer.
The granularity of emulsion polymer can use fluid dynamics chromatography determination, and average grain diameter is about 92nm.Pass through differential
The T of scanning calorimetry measurement dry polymer sampleg(glass transition temperature): being cooled to about -40 DEG C for sample, with 10 DEG C/
Min is cooled to -40 DEG C from -40 DEG C of scannings to 200 DEG C, then is scanned for the first time with 10 DEG C/min from -40 DEG C of scannings to 200 DEG C
For adjusting sample, using the point of inflexion on a curve of second of scanning as Tg.After tested, the T of the emulsion polymergIt is 4.5 DEG C.
The lower TgIt ensures the film forming under low temperature, without coalescing aid is added, avoids the production of VOC
It is raw.
Embodiment 2
In the 500mL flask of the neck flask equipped with mechanical agitator, thermometer and condenser, by 130g methacrylic acid 2- hydroxyl
Ethyl ester and 0.2g mono-methylether hydroquinone, which are placed in, makes about 50 DEG C of reactor, and then by 59.16g, phosphorus pentoxide is slowly added into instead
It answers in device, temperature is maintained at 50 DEG C and reacts 3 hours hereinafter, going in a nitrogen environment, is cooled to room temperature, filters, use sodium hydroxide
Solution regulation system pH value is about 8.0, filtering, then filtrate pH value is adjusted to 3-6, places, filters out precipitating, is washed, dry, i.e.,
Obtain surfactant shown in formula (I).
Embodiment 3
Multifunctional inorganic ecologic coating composition is prepared, by weight, by 60 parts of ripple mountain flour bodies and 1.0 parts according to embodiment 2
Surfactant obtained is sufficiently mixed, and 30 parts of emulsion polymer, thickener according to made from embodiment 1 is then added
0.2 part of (Rheovis HS 1152 derives from BASF), 0.2 part of pigment (zinc oxide newly reaches Xin Ye Co., Ltd derived from Yangzhou), then
100 parts of water are added, stir, obtain the aqueous form i.e. water paint of coating.The water-borne dispersions of coating are cast
Onto quartz plate, covering is placed 48 hours at room temperature, is made it dry, film thickness 0.2-0.6mm, flawless.
Comparative example 1
Embodiment 3 is repeated, difference is only that emulsion polymer flexible acrylic acid emulsion (RS-300 is purchased from Ahmedabad richness company) replaces
Generation.
The VOC of the coating of (GB 18582-2008) testing example 3 and comparative example 1 according to national standards.Test equipment and
Condition is as follows:
Instrument: Agilent 7890A gas chromatograph (test VOC content use)；Detector: flame ionization ditector；Color
Compose column: HP-1301；Reagent: DMF, with 5 molecular sieve dehydrations；Isopropanol, with 5 molecular sieve dehydrations；Acetonitrile, isobutanol.It is above equal
It is pure to analyze.
65 DEG C of column temperature initial temperature, keep 18 min；210 DEG C of 5 min of holding are risen to 30 DEG C/min；Again with 30 DEG C/min liter
To 250 DEG C of 5 min of holding；Injector temperature is 250 DEG C, and detector temperature is 300 DEG C, and carrier gas is high pure nitrogen, and internal standard compound is
Isobutanol, flow rate of carrier gas are 0.8 mL/min, and combustion gas is 40mL/min H2, combustion-supporting gas is 400 mL/min air, and sample volume is
1 μL.Calculation formula is VOC=(V-VH2O)×ρ Sample×103。
The VOC content of embodiment 3 is lower than detection limit, and the VOC of the coating of comparative example 1 is about 120g/L.
Comparative example 2
Embodiment 3 is repeated, difference is only that (DEMOL EP derives from Japan to surfactant using polycarboxylate surfactant
Flower king).
By Fig. 1 and 2 clearly it can be seen from the use of coating of the invention due to the surfactant, emulsion polymerization
Composition granule and inorganic particle have good compatibility, and latex particle is perfectly adhered to the surface of inorganic particle.And use city
It sells in the comparative example 2 of polycarboxylic acids surfactant, emulsion polymerization composition granule and the inorganic particle of significant proportion isolate, and do not have
It is attached to the surface of inorganic particle, the two compatibility is poor, is easy to happen aggregation, this can lead to the multinomial performance such as gloss of film
Property and mechanical performance are deteriorated.
This written description discloses the present invention, including optimal mode using example, and also enables those skilled in the art
The manufacture and use present invention.It is of the invention can patentable scope be defined by the claims, and may include this field skill
Other examples that art personnel expect.If this other examples have not different from the structural elements of the literal language of claims
Element, or if this other examples include the equivalent structure element with the literal language of claims without substantial differences,
Then this other examples are intended within the scope of claims.In the case where not will cause inconsistent degree, by reference to
It will be incorporated herein in place of all references referred to herein.
Claims (10)
1. being free of the multifunctional inorganic ecologic coating of formaldehyde and VOC, by weight, which includes: inorganic mineral powder 50-90
Part, 5-60 parts of emulsion polymer, 0.1-10.0 parts of thickener, 0.1-5.0 parts of surfactant, 0.01-5.0 parts of pigment.
2. multifunctional inorganic ecologic coating according to claim 1, wherein the inorganic mineral powder is selected from ripple mountain flour, surpasses
One of fine ash calcium powder, diatomite in powder, talcum powder, mica titanium valve, kaolin powder, quartz sand powder and potassium silicate powder are a variety of.
3. multifunctional inorganic ecologic coating according to claim 1 or 2, the inorganic mineral powder is powder granule surface warp
Modified inorganic mineral powder.
4. multifunctional inorganic ecologic coating according to any one of the preceding claims, wherein the pigment is inorganic face
Material.
5. according to the method described in claim 4, wherein the inorganic pigment is selected from MnO2、MgSiO3、CaCO3, one in ZnO
Kind or a variety of inorganic pigments.
6. multifunctional inorganic ecologic coating according to any one of the preceding claims, wherein the emulsion polymer is function
The polymer of energyization.
7. the method for preparing multifunctional inorganic ecologic coating according to claim 1-6, this method includes will be each
Coating composition is uniformly mixed.
8. according to the method described in claim 7, wherein mixing step is included in surfactant and emulsion polymer, thickening
Agent and inorganic pigment mix surfactant with inorganic mineral powder with before mixing.
9. according to the method described in claim 8, wherein the surfactant and inorganic mineral powder are thoroughly mixed
It is even.
10. this method includes should using the method for multifunctional inorganic ecologic coating according to claim 1-6
Coating is mixed with water, wherein the dosage of the water is 10-500 parts.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113214715A (en) * | 2021-06-11 | 2021-08-06 | 江西省千色绘装饰有限公司 | Ecological artistic crystal coating and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481584A (en) * | 2009-01-23 | 2009-07-15 | 华南理工大学 | Dry powder latex paint for inner wall and preparation thereof |
| WO2010082918A1 (en) * | 2009-01-16 | 2010-07-22 | Rhodia Operations | Latex binders, aqueous coatings and paints having freeze-thaw stability and methods for using same |
| CN103084119A (en) * | 2013-02-06 | 2013-05-08 | 中化化工科学技术研究总院 | Phosphorylated polymerization polymer dispersant and its preparation method |
| CN103642353A (en) * | 2013-11-28 | 2014-03-19 | 六安科瑞达新型材料有限公司 | Thermosetting acrylic resin powder paint composition and preparation method thereof |
| CN105218736A (en) * | 2015-10-30 | 2016-01-06 | 佛山市顺德区巴德富实业有限公司 | A kind of silicon composite water soluble ACRYLIC EMULSION and preparation method thereof |
| CN105482517A (en) * | 2016-01-04 | 2016-04-13 | 大美泰康（天津）生态科技有限公司 | Ecological multifunctional inorganic coating free of formaldehyde and VOC |
| CN106967341A (en) * | 2017-03-17 | 2017-07-21 | 北京艺高世纪科技股份有限公司 | A kind of dry powder paint for external walls |
| CN108276521A (en) * | 2017-12-22 | 2018-07-13 | 英德科迪颜料技术有限公司 | A kind of polyacrylate sodium phosphate dispersant and preparation method thereof |
-
2018
- 2018-07-19 CN CN201810794434.1A patent/CN109082186A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010082918A1 (en) * | 2009-01-16 | 2010-07-22 | Rhodia Operations | Latex binders, aqueous coatings and paints having freeze-thaw stability and methods for using same |
| CN101481584A (en) * | 2009-01-23 | 2009-07-15 | 华南理工大学 | Dry powder latex paint for inner wall and preparation thereof |
| CN103084119A (en) * | 2013-02-06 | 2013-05-08 | 中化化工科学技术研究总院 | Phosphorylated polymerization polymer dispersant and its preparation method |
| CN103642353A (en) * | 2013-11-28 | 2014-03-19 | 六安科瑞达新型材料有限公司 | Thermosetting acrylic resin powder paint composition and preparation method thereof |
| CN105218736A (en) * | 2015-10-30 | 2016-01-06 | 佛山市顺德区巴德富实业有限公司 | A kind of silicon composite water soluble ACRYLIC EMULSION and preparation method thereof |
| CN105482517A (en) * | 2016-01-04 | 2016-04-13 | 大美泰康（天津）生态科技有限公司 | Ecological multifunctional inorganic coating free of formaldehyde and VOC |
| CN106967341A (en) * | 2017-03-17 | 2017-07-21 | 北京艺高世纪科技股份有限公司 | A kind of dry powder paint for external walls |
| CN108276521A (en) * | 2017-12-22 | 2018-07-13 | 英德科迪颜料技术有限公司 | A kind of polyacrylate sodium phosphate dispersant and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113214715A (en) * | 2021-06-11 | 2021-08-06 | 江西省千色绘装饰有限公司 | Ecological artistic crystal coating and preparation method thereof |
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