CN102101956B - Preparation method of low-carbon light reflecting energy-saving coating - Google Patents
Preparation method of low-carbon light reflecting energy-saving coating Download PDFInfo
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Abstract
The invention discloses a preparation method of a low-carbon light reflecting energy-saving coating. The method comprises the following steps of: modifying various pigments-fillers by using a chelate titanate coupling agent; adding an aid and water into the pigments and fillers, and grinding the pigments and fillers into slurry; and adding a base material into the slurry for blending into the coating. The reflectivity of the coating obtained by the method is increased to 85-90 percent, and the content of VOC (Volatile Organic Compound) is greatly lowered.
Description
Technical field
The present invention relates to water-borne coatings, relate in particular to low-carbon environment-friendly reflected light energy-saving coatings.
Background technology
Along with the fast development of Building Trade in China, building energy consumption is also corresponding to be increased, and in recent years, national residential architecture energy consumption was under the situation of not heat supply water basically, and the quantity of energy of consumption just accounts for 12.6% of national energy consumption total amount.At some severe cold areas, the town building energy consumption is up to about 50% of local energy resources consumption.The Ministry of Construction proposes " national town building total energy consumption will be realized energy-conservationly 50% basically by 2010, will realize the target of building energy conservation 65% to the year two thousand twenty north and coastal economy developed regions and super large city ".This will bring huge business opportunity to low-carbon energy-saving environmental protection coating material market, and coating also will develop towards the direction of low-carbon energy-saving environmental protection as the high energy consumption industry.
Low-carbon environment-friendly, energy-conservation be present coating industry desire problem to be solved; Though most of coating products is being beaten environmental protection, energy-conservation notion on the market; But state of the art is not high; Also do not have real sophisticated low-carbon energy-saving product, the most price of external in addition energy-saving coatings is higher, and is inreal universal in China.
Organic volatile part (VOC) also is the coating industry problem demanding prompt solution; VOC possibly mainly be derived from auxiliary agent, mill base, solvent, the emulsion various small-molecule substances such as residual monomer in water-borne coatings, and the film coalescence aid-methyl-phenoxide that uses like tradition, phenylcarbinol, terepthaloyl moietie, Ucar 35 etc. all are the main sources of VOC.Address these problems; The method that is adopted at present mainly contains: the technology of preparing of 1, improving film forming base-material (macromolecule resin); As: technologies of preparing such as self-crosslinking polymerization, hud polymerization, seeding polymerization, functional group modification, to prepare the emulsion that contains low residual monomer; 2,, and select the various auxiliary agents that do not contain volatile solvent for use without film coalescence aid or select the high boiling point film coalescence aid for use; 3, directly select for use (as: ROHM AND HAAS, the BASF etc.) of external famous brand name not contain the film forming base-material (and China aspect polymerization technique with also there being certain gap abroad) of residual monomer; 4, preparation technology is improved, various auxiliary agents are carried out orthogonal experiment, select suitable ratio prescription for use, thereby the method that reduces auxiliary dosage prepares low VOC or zero VOC coating.And to above-mentioned the whole bag of tricks imperfection still on polymerization technique and technology, as control of control, molecular weight size and the MWD of soft or hard monomer ratio etc. directly having been influenced the T of polymkeric substance
KgWith two important parameters of MFT, thereby the film forming characteristics and the comprehensive mechanical property of coating have been influenced.And it is less to be applied in the water-borne coatings high boiling point film coalescence aid kind at present; With the suitability research of auxiliary agents such as other auxiliary agent-skimmers, wetting agent, dispersion agent also do not appear in the newspapers to, be in stage at coating aspect industrial production and the market to zero VOC product transition.In development in future, zero VOC latex coating not only will reach the environmental protection index that its VOC goes to zero, and need further improve the over-all properties of coating.
Research shows; The coating of preparation high-reflectivity is to improve the key of energy-saving effect; And the factor that influences the coating reflectivity is except the filler of seeking high refractive index; The gloss and the planeness that improve coatingsurface also are to improve the important factor of reflectivity, and the compactness of coating directly influences the gloss and the reflectivity of coating.In sum, preparation low-carbon energy-saving coating, auxiliary agent and film forming base-material are the keys that reduces VOC, and improve coating compactness, guaranteeing in coating, to be evenly distributed filler, to improve comprehensive heat-proof quality be the key for preparing the reflected light energy-saving coatings.
Summary of the invention:
The preparation method who the purpose of this invention is to provide the low-carbon (LC) reflected light energy-saving coatings that a kind of reflectivity is high, VOC content is low.
Energy-saving coatings of the present invention is to grind with water and process slurry adding auxiliary agent after the various color stuffing modifications, adds that the base-material allotment forms again, and specifically manufacture craft is following:
The first step: preparation modification color stuffing
At first huge legendary turtle mould assembly titanate coupling agent is dissolved in the diluent solvent; Above-mentioned coupling agent with dilution carries out modification to the various color stuffings of titanium oxide, zinc oxide, talcum powder, kaolin and lime carbonate respectively, requires color stuffing activation number after the modification more than 0.95.
The optimum weight ratio of above-mentioned huge legendary turtle mould assembly titanate coupling agent and thinner is 1: 2.
In order to make coupling agent be coated on face, filling surface equably, above-mentioned thinner is selected Virahol for use; Above-mentioned huge legendary turtle mould assembly titanate coupling agent is selected huge legendary turtle mould assembly titanate coupling agent KR-201 for use;
Second step: preparation slurry
After various auxiliary agents are added water and mix, carry out stirring at low speed, be mixed with slurry, add the modification color stuffing again with the part thickening material carries out high speed dispersion, and white slurry is processed in grinding with viscosity.
Above-mentioned auxiliary agent comprises film coalescence aid, dispersion agent, wetting agent, mould inhibitor and skimmer, is preparation coating commercially available prod commonly used.
For the reflectivity that makes coating is improved; Reduce VOC content greatly, above-mentioned film coalescence aid selects that high boiling point film coalescence aid and density (20 ℃) 0.85g/ml～0.95g/ml, viscosity 20～30mPas, the pH value of ester content>=99%, acid number≤1.0mKgKOH/Kg, moisture content≤0.2%, boiling point 253-283 ℃ are 0～5 for use, VOC is that 0 film coalescence aid mixes.The The Best Mixed proportioning is 1: (2～2.5) (calculating by weight).
Above-mentioned high boiling point film coalescence aid is selected high boiling point film coalescence aid DBE-IB for use, and it is a kind of dibasic acid esters mixture, and its staple is methyl-succinate CH
3OOC (CH
2)
2COOCH
3, the pentanedioic acid diformazan.
The VOC free film coalescence aid LOXANOL EFC300 that above-mentioned VOC free film coalescence aid selects for use Kening Co.,Ltd to produce, it is the linear short-chain fat ester of a kind of high purity, contains C-18 lipid acid blended propylene glycol fatty acid ester.
The 3rd step: preparation coating
With being deployed into the rubber-emulsion paint finished product of coating reflectivity in the slurry adding emulsion binder for preparing at 85-90%.
The detailed step of above-mentioned every kind of color stuffing method of modifying does
Get huge legendary turtle mould assembly titanate coupling agent and use the isopropanol dilution agent; Then a certain color stuffing being inserted high speed kneader high speed stirs; In the high-speed stirring process, drip coupling agent and mixing diluents liquid and carry out modification, require that the activation number of this kind color stuffing reaches more than 95% after the modification; The consumption of huge legendary turtle mould assembly titanate coupling agent is the 1-3% of this kind color stuffing weight.
In order to improve modified effect, the rotating speed of high speed kneader is controlled to be 3000r/min; Rate of addition is controlled at PM 20-30 and drips, and temperature is controlled at (90-100) ± 1 ℃ in the dropping process.
Advantage of the present invention is:
1, employing is carried out modification with huge legendary turtle mould assembly titanate coupling agent KR-201 to color stuffings such as titanium oxide, zinc oxide, talcum powder, kaolin, lime carbonate; Make the surface become hydrophobicity by original wetting ability; Increased consistency to the film forming base-material; Dispersed better, can form finer and close coating during film forming, improved reflectivity.
2, select the color stuffing of high-reflectivity for use; The reflectivity of titanium oxide, zinc oxide, talcum powder, kaolin, lime carbonate is respectively 2.8,2.2,1.86,1.77,1.65; Lime carbonate not only cost is low, also has certain dustproof effect of falling, and suitably increases consumption; Not only obtain higher reflectivity, reduce cost to a certain extent.
3, this method adopts high boiling point film coalescence aid DBE-IB and LOXANOL EFC 300, calculates the consumption of EFC200 and DBE-IBDBE-IB according to minimum film-forming temperature (MFFT), and according to U.S. EPA 24 examination criterias, the VOC of coating is 0.1Kg/l.Increase and reduced minimum film-forming temperature with the consistency of emulsion in addition, the rheological of coating be improved significantly, also make and film no matter be 20 degree or the gloss at 60 degree angles all obviously improves.EFC-200 also helps to improve the wet-rub resistance and the coating hardness of coating.In a word, the inventive method is improved the coating reflectivity of coating, reaches 85-90%, greatly reduces VOC content, and laboratory results has confirmed the feasibility of such scheme.
Description of drawings
Fig. 1 is a paint coatings apparatus for measuring reflectance of the present invention.
Among the figure: T
1-blackboard temperature; T
2-reflector temperature; T
0-room temperature.
Embodiment:
Specify technical scheme of the present invention through specific embodiment below.
Coating of the present invention is by after titanium oxide, zinc oxide, talcum powder, kaolin and the modification of lime carbonate color stuffing; Adding various auxiliary agents and water grinds; Adding the emulsion allotment then forms; The proportioning of various color stuffings, auxiliary agent and emulsion is seen table 1, is example (removing loss) according to table 1 proportioning with preparation 76Kg coating, and concrete preparation process is following:
The first step: the preparation of modification color stuffing
The modification of titanium oxide: at first the titanate coupling agent KR-201 of 0.26Kg and Virahol low speed (250r/min) in beaker of 0.52Kg are stirred, change over to again (seal with nylon mesh the bottom) in the spherical hopper, then the titanium oxide of 17Kg is inserted in the high speed kneader; High-speed stirring under the 3000r/min rotating speed, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution, and rate of addition is slow; About 25 of PMs; Temperature is controlled at 95 ± 1 ℃, and the time, modification finishes in 45 ℃ of baking ovens placed 2h at 30min; After treating that thinner fully volatilizees, be transferred to test tube and survey activation number.
Modified zinc oxide: at first the titanate coupling agent KR-201 of 0.21Kg and Virahol low speed (250r/min) in beaker of 0.42Kg are stirred, change over to again (seal with nylon mesh the bottom) in the spherical hopper, then the zinc oxide of 7Kg is inserted in the high speed kneader; (3000r/min) stirs at a high speed, and the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution, and rate of addition is slow; About 30 of PMs; Temperature is controlled at 90 ± 1 ℃ ℃, and the time, modification finishes placed 2h in baking oven (45 ℃) at 45min; After treating that thinner fully volatilizees, be transferred to test tube and survey activation number.
Talcous modification: at first the titanate coupling agent KR-201 of 0.12Kg and Virahol low speed (250r/min) in beaker of 0.25Kg are stirred, change over to again (seal with nylon mesh the bottom) in the spherical hopper, then the talcum powder of 3.5Kg is inserted in the high speed kneader; (3000r/min) stirs at a high speed, and the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution, and rate of addition is slow; About 20 of PMs; Temperature is controlled at 95 ± 1 ℃, and the time, modification finishes in 45 ℃ of baking ovens placed 2h at 35min; After treating that thinner fully volatilizees, be transferred to test tube and survey activation number.
Modifying kaolin: at first the titanate coupling agent KR-201 of 0.12Kg and Virahol low speed (250r/min) in beaker of 0.25Kg are stirred, change over to again (seal with nylon mesh the bottom) in the spherical hopper, then the kaolin of 3.5Kg is inserted in the high speed kneader; (3000r/min) stirs at a high speed, and the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution, and rate of addition is slow; About 20 of PMs; Temperature is controlled at 90 ± 1 ℃ ℃, and the time, modification finishes placed 2h in baking oven (45 ℃) at 30min; After treating that thinner fully volatilizees, be transferred to test tube and survey activation number.
The modification of lime carbonate: at first the titanate coupling agent KR-201 of 0.3Kg and Virahol low speed (250r/min) in beaker of 0.6Kg are stirred, change over to again (seal with nylon mesh the bottom) in the spherical hopper, then the lime carbonate of 12Kg is inserted in the high speed kneader; (3000r/min) stirs at a high speed, and the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution, and rate of addition is slow; About 30 of PMs; Temperature is controlled at 100 ± 1 ℃ ℃, and the time, modification finishes in 45 ℃ of baking ovens placed 2h at 45min; After treating that thinner fully volatilizees, be transferred to test tube and survey activation number.
Second step: the preparation of slurry
Get 1.3Kg high boiling point film coalescence aid DBE-IB, the VOC free film coalescence aid LOXANOLEFC300 of 2.7Kg Kening Co.,Ltd product, 0.15Kg aqueous color paste dispersion agent FS3204,0.5Kg anionic polyacrylic acid sodium salt dispersing agent C D50, the special-purpose wetting agent H885 of 0.1Kg water-borne coatings, 0.15Kg non-ionic type dispersion moisture agent 188A, 0.2Kg isothiazolinone mould inhibitor YC88,0.15Kg MO synthetic molecular level skimmer A10,0.20Kg water-borne coatings dedicated defoamer F111,0.1Kg adhesion promoter and 20Kg deionized water; Stirring at low speed 15min uniform mixing; The color stuffing, 0.5Kg Natvosol thickening material HEC, 0.3Kg non-ionic polyurethane class associative thickener DSX3116 and the additional about 4Kg of part deionized water that add modification in the step 1 again carry out high speed dispersion; White slurry is processed in grinding, and milling time is not less than 1.5h.
The 3rd step: preparation coating
Join ground white slurry of second step at a slow speed among the 7Kg benzene emulsion PA237 in batches; Be meant at a slow speed in batches and treat that preceding batch of white slurry that adds just can add a collection of white slurry in back after stirring at low speed is even, it is even to continue stirring at low speed again, adjusts the viscosity of coating just with thickening material at last; To use PH regulator adjustment pH value be 8.5 or add a little skimmers and be the rubber-emulsion paint finished product; Through filtration, weighing,, press KGB/T9755-2001 and detect each item performance by national standard KGB3186 sampling.
For further checking advantage of the present invention, the reflectivity of embodiment of the invention paint coatings is detected, test set is as shown in Figure 1, and determination step is:
The first step: the model preparation, wipe clean three aluminium models with solvent, the model specification is of a size of 150 * 75 * 1mm, and meet the specifications QQ-A-250/4 regulation.The black enamel paint of spraying meet the specifications TTE-489 regulation on two models, its build is between 0.03～0.04mm.On another piece model, be coated with coating dry film to be tested, thickness is identical with preceding two models, and with two kinds of models air dry 72 hours all.
Second step: test is carried out under constant temperature, and the model (black model) of two spray blacks lacquer is placed on the measuring table, and painted one faces up, place fluorescent tube under, two plates are each other at a distance of 50mm.Fluorescent tube is adjusted to the height from test plate (panel) 600mm, opens well heater,, when room temperature is 28 ℃, make test plate (panel) in 30 minutes, reach 88 ℃ ± 1 ℃ equilibrium temperature through regulating fluorescent tube apart from the height of test plate (panel) and the regulator of well heater.This temperature just can be withdrawn a black model once reaching and keeping 5 minutes, changes lastblock and treats sample board.After 15 minutes, the temperature of two models of record.Whether if the temperature of black model is 88 ℃ ± 1 ℃, the temperature of check test model writes down and calculates, see to meet the requirements, and requires ρ>=50% like reflectivity, and then the temperature of tested model should be T
2≤68 ℃.As be not this temperature, regulate bulb height etc. again, repeat to test three times, average.As fixing T
1=88 ℃, T
0=28 ℃, can extrapolate according to formula:
T
2≤68.3 ℃, reflectivity ρ>=50%; T
2≤65.6 ℃, reflectivity ρ>=60%
T
2≤63.2 ℃, reflectivity ρ>=70%; T
2≤61.1 ℃, reflectivity ρ>=80%
Calculate formula according to reflectivity:
to calculate reflectivity be 86.8%.
In the above-mentioned formula: T
1-blackboard temperature; T
2-reflector temperature; T
0-room temperature
Table 1 formula rate (unit: Kg)
Claims (4)
1. a low-carbon (LC) reflected light energy-saving coatings preparation method is characterized in that, it is to grind with water and process slurry adding auxiliary agent after the various color stuffing modifications, adds that the base-material allotment forms again, and specifically manufacture craft is following:
The first step: preparation modification color stuffing
At first the chelating titanate coupling agent is dissolved in the diluent solvent; Above-mentioned coupling agent with dilution carries out modification to the various color stuffings of titanium oxide, zinc oxide, talcum powder, kaolin and lime carbonate respectively, requires color stuffing activation number after the modification more than 0.95; Concrete method of modifying is following:
The modification of titanium oxide: at first that the Virahol of the titanate coupling agent KR-201 of 0.26Kg and 0.52Kg is even with 250r/min rotating speed stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the titanium oxide of 17Kg is inserted in the high speed kneader, high-speed stirring under the 3000r/min rotating speed, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 25 of PMs, and temperature is controlled at 95 ± 1 ℃; Time is at 30min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
Modified zinc oxide: at first that the Virahol of the titanate coupling agent KR-201 of 0.21Kg and 0.42Kg is even with 250r/min rotating speed stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the zinc oxide of 7Kg is inserted in the high speed kneader, in 3000r/min rotating speed high-speed stirring, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 30 of PMs, and temperature is controlled at 90 ± 1 ℃; Time is at 45min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
Talcous modification: at first that the Virahol of the titanate coupling agent KR-201 of 0.12Kg and 0.25Kg is even with the 250r/min stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the talcum powder of 3.5Kg is inserted in the high speed kneader, with 3000r/min speed high-speed stirring, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 20 of PMs, and temperature is controlled at 95 ± 1 ℃; Time is at 35min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
Modifying kaolin: at first that the Virahol of the titanate coupling agent KR-201 of 0.12Kg and 0.25Kg is even with the 250r/min stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the kaolin of 3.5Kg is inserted in the high speed kneader, with 3000r/min rotating speed high-speed stirring, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 20 of PMs, and temperature is controlled at 90 ± 1 ℃; Time is at 30min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
The modification of lime carbonate: at first that the Virahol of the titanate coupling agent KR-201 of 0.3Kg and 0.6Kg is even with 250r/min rotating speed stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the lime carbonate of 12Kg is inserted in the high speed kneader, with 3000r/min rotating speed high-speed stirring, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 30 of PMs, and temperature is controlled at 100 ± 1 ℃; Time is at 45min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
Second step: preparation slurry
After the various auxiliary agents of film coalescence aid, dispersion agent, wetting agent, mould inhibitor and skimmer are added water and mix, carry out stirring at low speed, be mixed with slurry, add the modification color stuffing again with the part thickening material carries out high speed dispersion, and white slurry is processed in grinding with viscosity;
Described film coalescence aid selects that high boiling point film coalescence aid and 20 ℃ of density 0.85g/mL～0.95g/mL, viscosity 20～30mPas, pH values of ester content>=99%, acid number≤1.0mKgKOH/Kg, moisture content≤0.2%, boiling point: 253-283 ℃ are 0～5 for use, VOC is that 0 film coalescence aid mixes;
The 3rd step: preparation coating
Be deployed into the rubber-emulsion paint finished product of coating reflectivity in the white slurry adding emulsion binder that second step is ground at 85-90%.
2. preparation method as claimed in claim 1 is characterized in that, described high boiling point film coalescence aid and VOC are that the weight proportion of 0 film coalescence aid is 1: (2～2.5).
3. like the preparation method of claim 1 or 2, it is characterized in that described high boiling point film coalescence aid is selected high boiling point film coalescence aid DBE-IB for use; The VOC free film coalescence aid LOXANOL EFC 300 that described VOC free film coalescence aid selects for use Kening Co.,Ltd to produce.
4. preparation method as claimed in claim 1 is characterized in that step is following:
The first step: the preparation of modification color stuffing
The modification of titanium oxide: at first that the Virahol of the titanate coupling agent KR-201 of 0.26Kg and 0.52Kg is even with 250r/min rotating speed stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the titanium oxide of 17Kg is inserted in the high speed kneader, high-speed stirring under the 3000r/min rotating speed, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 25 of PMs, and temperature is controlled at 95 ± 1 ℃; Time is at 30min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
Modified zinc oxide: at first that the Virahol of the titanate coupling agent KR-201 of 0.21Kg and 0.42Kg is even with 250r/min rotating speed stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the zinc oxide of 7Kg is inserted in the high speed kneader, in 3000r/min rotating speed high-speed stirring, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 30 of PMs, and temperature is controlled at 90 ± 1 ℃; Time is at 45min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
Talcous modification: at first that the Virahol of the titanate coupling agent KR-201 of 0.12Kg and 0.25Kg is even with the 250r/min stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the talcum powder of 3.5Kg is inserted in the high speed kneader, with 3000r/min speed high-speed stirring, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 20 of PMs, and temperature is controlled at 95 ± 1 ℃; Time is at 35min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
Modifying kaolin: at first that the Virahol of the titanate coupling agent KR-201 of 0.12Kg and 0.25Kg is even with the 250r/min stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the kaolin of 3.5Kg is inserted in the high speed kneader, with 3000r/min rotating speed high-speed stirring, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 20 of PMs, and temperature is controlled at 90 ± 1 ℃; Time is at 30min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
The modification of lime carbonate: at first that the Virahol of the titanate coupling agent KR-201 of 0.3Kg and 0.6Kg is even with 250r/min rotating speed stirring at low speed in beaker, change over to again in the spherical hopper, seal with nylon mesh the funnel bottom; Then the lime carbonate of 12Kg is inserted in the high speed kneader, with 3000r/min rotating speed high-speed stirring, the funnel cock of outwarding winding simultaneously drips the coupling agent mixed solution; Rate of addition is slow, 30 of PMs, and temperature is controlled at 100 ± 1 ℃; Time is at 45min; Modification finishes in 45 ℃ of baking ovens places 2h, treat that thinner fully volatilizees after, be transferred to test tube and survey activation number;
Second step: the preparation of slurry
Get 1.3Kg high boiling point film coalescence aid DBE-IB, the VOC free film coalescence aid LOXANOLEFC300 of 2.7Kg Kening Co.,Ltd product, 0.15Kg aqueous color paste dispersion agent FS3204,0.5Kg anionic polyacrylic acid sodium salt dispersing agent C D50, the special-purpose wetting agent H885 of 0.1Kg water-borne coatings, 0.15Kg non-ionic type dispersion moisture agent 188A, 0.2Kg isothiazolinone mould inhibitor YC88,0.15Kg MO synthetic molecular level skimmer A10,0.20Kg water-borne coatings dedicated defoamer F111,0.1Kg adhesion promoter and 20Kg deionized water; Stirring at low speed 15min uniform mixing; The color stuffing, 0.5Kg Natvosol thickening material HEC, 0.3Kg non-ionic polyurethane class associative thickener DSX3116 and the additional part deionized water 4Kg that add modification in the step 1 again carry out high speed dispersion; White slurry is processed in grinding, and milling time is not less than 1.5h;
The 3rd step: preparation coating
Join ground white slurry of second step at a slow speed among the 7Kg benzene emulsion PA237 in batches; Be meant at a slow speed that in batches batch white slurry that adds just can add a collection of white slurry in back before treating after stirring at low speed is even; It is even to continue stirring at low speed again; At last with the first viscosity of coating of thickening material adjustment, to use pH regulator agent adjustment pH value be 8.5 or add a little skimmers and be the rubber-emulsion paint finished product.
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| CN103146277B (en) * | 2012-06-24 | 2015-07-29 | 西安经建油漆股份有限公司 | Petroleum storage tank thermal insulating coating |
| CN109181396A (en) * | 2018-07-13 | 2019-01-11 | 安徽康瑞高科新材料技术工程有限公司 | A kind of preparation method of modified aqueous paint dispersing agent |
| CN110564225A (en) * | 2019-09-27 | 2019-12-13 | 李宝军 | Antirust primer and preparation method thereof |
| CN111499221B (en) * | 2020-04-29 | 2022-06-14 | 巨石集团有限公司 | Low-odor glass fiber impregnating compound and preparation method and application thereof |
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|---|---|---|---|---|
| CN1462780A (en) * | 2003-06-18 | 2003-12-24 | 刘文录 | Environmental protection type high performance emulsion paint |
| CN101649139A (en) * | 2009-09-08 | 2010-02-17 | 武汉纳米特新材料有限责任公司 | High-solid colour filler containing pulp for nano modified aqueous paint and production method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5466286A (en) * | 1994-05-27 | 1995-11-14 | E. I. Du Pont De Nemours And Company | Stable automotive aqueous metallic-flake tint dispersion |
-
2010
- 2010-12-30 CN CN201010615592XA patent/CN102101956B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462780A (en) * | 2003-06-18 | 2003-12-24 | 刘文录 | Environmental protection type high performance emulsion paint |
| CN101649139A (en) * | 2009-09-08 | 2010-02-17 | 武汉纳米特新材料有限责任公司 | High-solid colour filler containing pulp for nano modified aqueous paint and production method |
Non-Patent Citations (1)
| Title |
|---|
| 靳涛等."重质碳酸钙粉体改性研究".《现代化工》.2008,第28卷(第1期),74-77. |
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| CN102101956A (en) | 2011-06-22 |
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