CN101845252A - Water-based color paste and preparation method thereof - Google Patents
Water-based color paste and preparation method thereof Download PDFInfo
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- CN101845252A CN101845252A CN201010194026A CN201010194026A CN101845252A CN 101845252 A CN101845252 A CN 101845252A CN 201010194026 A CN201010194026 A CN 201010194026A CN 201010194026 A CN201010194026 A CN 201010194026A CN 101845252 A CN101845252 A CN 101845252A
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Abstract
The invention discloses a water-based color paste and a preparation method thereof. The water-based color paste comprises a dispersant, water, an organic pigment and a preservative. The preparation method of the water-based color paste comprises the following steps: firstly, preparing a high-efficiency dispersant; adding 20-22% of high-efficiency dispersant, 41-45% of water, 35-45% of organic pigment and 0.15-0.25% of preservative into a dispersion machine; dispersing at low speed for 10 minutes; after all components are fully wetted, dispersing at high speed for 30 minutes; mixing all components into slurry; after dispersing, injecting the slurry into a horizontal sand mill for milling for 8-16 hours at the temperature lower than 20 DEG C to obtain the water-based color paste; then, filtering the color paste, and discharging the filtered color paste; and finally, detecting the discharged color paste. The invention has the advantages of simple preparation method, safety and environmental protection, shortens the reaction time, improves the production efficiency, and ensures the dispersibility of products.
Description
Technical field:
The present invention relates to a kind of aqueous color paste and preparation method thereof, aqueous color paste is that liquid state is selected barreled for use, and convenient transportation is suitable for industries such as exterior coating, emulsion paint, printing and dyeing.
Background technology:
Mill base is the important component part of coating as tinting material, has determined apparent property, part fastness ability and the environmental-protecting performance of stamp.Along with science and technology development, requirement to mill base is more and more higher, wherein dispersion agent is important moiety, it is a kind of interfacial agent that has lipophilicity and two kinds of opposite nature of wetting ability at intramolecularly simultaneously, but homogeneous disperses those to be difficult to be dissolved in the inorganic of liquid, the solid particulate of pigment dyestuff also can prevent the sedimentation and the cohesion of solid particulate simultaneously, forms the stable required medicament of suspension.At present, when the preparation mill base, moiety need be carried out grinding and the dispersion of long period, time-consuming, effort, and also the product dispersing property of making is good inadequately, and environmental-protecting performance is also bad.
Summary of the invention:
The objective of the invention is provides a kind of preparation method simple in order to overcome above deficiency, shortens the reaction times, and safety and environmental protection is enhanced productivity, and guarantees aqueous color paste of product dispersiveness and preparation method thereof.
The present invention is achieved through the following technical solutions: a kind of aqueous color paste comprises following composition:
Dispersion agent: 20～22%;
Water: 41～45%;
Pigment dyestuff: 35～45%;
Sanitas: 0.15～0.25%.
Further improvement of the present invention is: dispersion agent comprises 30% fatty alcohol-polyoxyethylene ether, 50% water, 10% trolamine, 10% acrylic acid solution.
Further improvement of the present invention is: sanitas is 5-chloro-2 methyl-3-isothiazolones.
Further improvement of the present invention is: a kind of aqueous color paste comprises following composition: dispersion agent: 21%; Water: 41%; Pigment dyestuff: 35%; Sanitas: 0.15%.
Further improvement of the present invention is: a kind of aqueous color paste comprises following composition: dispersion agent: 21%; Water: 43%; Pigment dyestuff: 35%; Sanitas: 0.2%.
Further improvement of the present invention is: a kind of aqueous color paste comprises following composition: dispersion agent: 21%; Water: 42%; Pigment dyestuff: 36%; Sanitas: 0.25%.
A kind of preparation method of aqueous color paste may further comprise the steps:
A, preparation dispersant with high efficiency: the fatty alcohol-polyoxyethylene ether with 30% adds in the reactor, add 50% water again in the reactor, temperature be elevated to the 80-100 degree dissolve, wait material in the reactor to dissolve fully after, the trolamine of adding 10%, mixture was fully stirred 30 minutes, and rotating speed is 200 commentaries on classics/min, the 45-55 degree of lowering the temperature afterwards, the acrylic acid solution of adding 10%, continue to stir 30 minutes, be low to moderate room temperature at last, dispersant with high efficiency gets final product discharging;
B, preparation aqueous color paste: with 20～22% dispersant with high efficiency of above-mentioned gained, 41～45% water, 35～45% pigment dyestuffs, 0.15～0.25% sanitas adds dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, jitter time is 30 minutes, all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, time is 8-16 hour, temperature is controlled in 20 ℃, makes aqueous color paste, afterwards mill base is filtered by 320 purpose screen clothes, mill base after the filtration just can discharging, and the mill base to discharging detects at last.
Further improvement of the present invention is: the B step prepares aqueous color paste: 21% dispersant with high efficiency, 41% water, 35% pigment dyestuff, 0.15% sanitas are added dispersion machine, carry out low speed and disperse, rotating speed is 150 commentaries on classics/min, divides
2 
Between be 10 minutes, wait all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, and jitter time is 30 minutes, and all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, the time is 8-16 hour, and temperature is controlled in 20 ℃, make aqueous color paste, afterwards mill base is filtered by 320 purpose screen clothes, the mill base after the filtration just can discharging, and the mill base to discharging detects at last.
Further improvement of the present invention is: the B step prepares aqueous color paste: with 21% dispersant with high efficiency, 43% water, 35% pigment dyestuff, 0.2% sanitas adds dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, jitter time is 30 minutes, all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, time is 8-16 hour, temperature is controlled in 20 ℃, makes aqueous color paste, afterwards mill base is filtered by 320 purpose screen clothes, mill base after the filtration just can discharging, and the mill base to discharging detects at last.
Further improvement of the present invention is: the preparation method of aqueous color paste: the B step prepares aqueous color paste: with 21% dispersant with high efficiency, 42% water, 36% pigment dyestuff, 0.25% sanitas adds dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, jitter time is 30 minutes, all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, time is 8-16 hour, temperature is controlled in 20 ℃, makes aqueous color paste, afterwards mill base is filtered by 320 purpose screen clothes, mill base after the filtration just can discharging, and the mill base to discharging detects at last.
The present invention compared with prior art has the following advantages: the present invention adopts dispersant with high efficiency, original dispersion agent and other monomers are composited by special process, grinding and jitter time have been reduced, save time, laborsaving, product environmental protection and the dispersing property made are good, simultaneously light fastness is up to the 7-8 level, no APEO, AZO, heavy metal, and environmental protection does not have harm.
Embodiment:
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment, and following examples only are used to explain the present invention, do not constitute the qualification to protection domain of the present invention.
A kind of aqueous color paste of the present invention comprises following composition:
Dispersion agent: 20～22%;
Water: 41～45%;
Pigment dyestuff: 35～45%;
Sanitas: 0.15～0.25%.
Dispersion agent comprises 30% fatty alcohol-polyoxyethylene ether, 50% water, 10% trolamine, 10% acrylic acid solution; Sanitas is 5-chloro-2 methyl-3-isothiazolones; Pigment dyestuff is divided into redness, yellow, blueness, green usually, as PR2, PR31 or the like.
A kind of preparation method of aqueous color paste may further comprise the steps:
A, preparation dispersant with high efficiency: the fatty alcohol-polyoxyethylene ether with 30% adds in the reactor, add 50% water again in the reactor, temperature be elevated to the 80-100 degree dissolve, wait material in the reactor to dissolve fully after, the trolamine of adding 10%, mixture was fully stirred 30 minutes, and rotating speed is 200 commentaries on classics/min, the 45-55 degree of lowering the temperature afterwards, the acrylic acid solution of adding 10%, continue to stir 30 minutes, be low to moderate room temperature at last, dispersant with high efficiency gets final product discharging;
B, preparation aqueous color paste: with 20～22% dispersant with high efficiency of above-mentioned gained, 41～45% water, 35～45% pigment dyestuffs, 0.15～0.25% sanitas adds dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, jitter time is 30 minutes, all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, time is 8-16 hour, temperature is controlled in 20 ℃, makes aqueous color paste, afterwards mill base is filtered by 320 purpose screen clothes, mill base after the filtration just can discharging, and the mill base to discharging detects at last.
Embodiment one: A, preparation dispersant with high efficiency: 63 kilograms fatty alcohol-polyoxyethylene ether are added in the reactor, add the water of 105 kg again in the reactor, temperature be elevated to the 80-100 degree dissolve, wait material in the reactor to dissolve fully after, the trolamine that adds 21 kilograms, mixture was fully stirred 30 minutes, and rotating speed is 200 commentaries on classics/min, the 45-55 degree of lowering the temperature afterwards, the acrylic acid solution that adds 21 kilograms, continue to stir 30 minutes, be low to moderate room temperature at last, dispersant with high efficiency gets final product discharging; B, preparation aqueous color paste: with 210 kilograms of dispersant with high efficiency, 440 kg of water, 350-450 kilogram pigment dyestuff, 2 kilograms of sanitass add dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, jitter time is 30 minutes, all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, time is 8-16 hour, temperature is controlled in 20 ℃, makes aqueous color paste, afterwards mill base is filtered, mill base after the filtration just can discharging, and the mill base to discharging detects at last.
Embodiment two: A, preparation dispersant with high efficiency: 126 kilograms fatty alcohol-polyoxyethylene ether are added in the reactor, the water that adds 210 kilograms again in the reactor, temperature is elevated to the 80-100 degree dissolves, after dissolving fully Deng the material in the reactor, the trolamine that adds 42 kilograms, mixture was fully stirred 30 minutes, rotating speed is 200 commentaries on classics/min, the 45-55 degree of lowering the temperature afterwards, the acrylic acid solution that adds 42 kilograms, continue to stir 30 minutes, be low to moderate room temperature at last, dispersant with high efficiency gets final product discharging; B, preparation aqueous color paste: with 420 kilograms of dispersant with high efficiency, 840 kg of water, 720 kilograms of pigment dyestuffs, 5 kilograms of sanitass add dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, jitter time is 30 minutes, all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, time is 8-16 hour, temperature is controlled in 20 ℃, makes aqueous color paste, afterwards mill base is filtered, mill base after the filtration just can discharging, and the mill base to discharging detects at last.
Embodiment three: A, preparation dispersant with high efficiency: 189 kilograms fatty alcohol-polyoxyethylene ether are added in the reactor, the water that adds 315 kilograms again in the reactor, temperature is elevated to the 80-100 degree dissolves, after dissolving fully Deng the material in the reactor, the trolamine that adds 63 kilograms, mixture was fully stirred 30 minutes, rotating speed is 200 commentaries on classics/min, the 45-55 degree of lowering the temperature afterwards, the acrylic acid solution that adds 63 kilograms, continue to stir 30 minutes, be low to moderate room temperature at last, dispersant with high efficiency gets final product discharging; B, preparation aqueous color paste: with 630 kilograms of dispersant with high efficiency, 1290 kg of water, 1050 kilograms of pigment dyestuffs, 6 kilograms of sanitass add dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, jitter time is 30 minutes, all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, time is 8-16 hour, temperature is controlled in 20 ℃, makes aqueous color paste, afterwards mill base is filtered, mill base after the filtration just can discharging, and the mill base to discharging detects at last.
Embodiment four: A, preparation dispersant with high efficiency: 252 kilograms fatty alcohol-polyoxyethylene ether are added in the reactor, the water that adds 420 kilograms again in the reactor, temperature is elevated to the 80-100 degree dissolves, after dissolving fully Deng the material in the reactor, the trolamine that adds 84 kilograms, mixture was fully stirred 30 minutes, rotating speed is 200 commentaries on classics/min, the 45-55 degree of lowering the temperature afterwards, the acrylic acid solution that adds 84 kilograms, continue to stir 30 minutes, be low to moderate room temperature at last, dispersant with high efficiency gets final product discharging; B, preparation aqueous color paste: with 840 kilograms of dispersant with high efficiency, 1640 kg of water, 1400 kilograms of pigment dyestuffs, 6 kilograms of sanitass add dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, jitter time is 30 minutes, all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, time is 8-16 hour, temperature is controlled in 20 ℃, makes aqueous color paste, afterwards mill base is filtered, mill base after the filtration just can discharging, and the mill base to discharging detects at last.
The present invention adopts dispersant with high efficiency, and original dispersion agent and other monomers are composited by special process, has reduced grinding and jitter time, save time, laborsaving, product environmental protection and the dispersing property made are good, simultaneously light fastness is up to the 7-8 level, no APEO, AZO, heavy metal, environmental protection does not have harm.
Claims (10)
1. an aqueous color paste is characterized in that, comprises following composition:
Dispersion agent: 20～22%;
Water: 41～45%;
Pigment dyestuff: 35～45%;
Sanitas: 0.15～0.25%.
2. according to the described aqueous color paste of claim 1, it is characterized in that described dispersion agent comprises 30% fatty alcohol-polyoxyethylene ether, 50% water, 10% trolamine, 10% acrylic acid solution.
3. according to claim 1 or 2 described aqueous color pastes, it is characterized in that described sanitas is 5-chloro-2 methyl-3-isothiazolones.
4. according to the described aqueous color paste of claim 1, it is characterized in that, comprise following composition:
Dispersion agent: 21%;
Water: 41%;
Pigment dyestuff: 35%;
Sanitas: 0.15%.
5. according to the described aqueous color paste of claim 1, it is characterized in that, comprise following composition:
Dispersion agent: 21%;
Water: 43%;
Pigment dyestuff: 35%;
Sanitas: 0.2%.
6. according to the described aqueous color paste of claim 1, it is characterized in that, comprise following composition:
Dispersion agent: 21%;
Water: 42%;
Pigment dyestuff: 36%;
Sanitas: 0.25%.
7. the preparation method of an aqueous color paste is characterized in that, may further comprise the steps:
A, preparation dispersant with high efficiency: the fatty alcohol-polyoxyethylene ether with 30% adds in the reactor, add 50% water again in the reactor, temperature be elevated to the 80-100 degree dissolve, wait material in the reactor to dissolve fully after, the trolamine of adding 10%, mixture was fully stirred 30 minutes, and rotating speed is 200 commentaries on classics/min, the 45-55 degree of lowering the temperature afterwards, the acrylic acid solution of adding 10%, continue to stir 30 minutes, be low to moderate room temperature at last, dispersant with high efficiency gets final product discharging;
B, preparation aqueous color paste: with 20～22% dispersant with high efficiency of above-mentioned gained, 41～45% water, 35～45% pigment dyestuffs, 0.15～0.25% sanitas adds dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, jitter time is 30 minutes, all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, time is 8-16 hour, temperature is controlled in 20 ℃, makes aqueous color paste, afterwards mill base is filtered by 320 purpose screen clothes, mill base after the filtration just can discharging, and the mill base to discharging detects at last.
8. according to the preparation method of the described aqueous color paste of claim 7, it is characterized in that: described B step prepares aqueous color paste: with 21% dispersant with high efficiency, 41% water, 35% pigment dyestuff, 0.15% sanitas adds dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, and jitter time is 30 minutes, and all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, the time is 8-16 hour, and temperature is controlled in 20 ℃, make aqueous color paste, afterwards mill base is filtered by 320 purpose screen clothes, the mill base after the filtration just can discharging, and the mill base to discharging detects at last.
9. according to the preparation method of the described aqueous color paste of claim 7, it is characterized in that: described B step prepares aqueous color paste: with 21% dispersant with high efficiency, 43% water, 35% pigment dyestuff, 0.2% sanitas adds dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, and jitter time is 30 minutes, and all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, the time is 8-16 hour, and temperature is controlled in 20 ℃, make aqueous color paste, afterwards mill base is filtered by 320 purpose screen clothes, the mill base after the filtration just can discharging, and the mill base to discharging detects at last.
10. according to the preparation method of the described aqueous color paste of claim 7, it is characterized in that: described B step prepares aqueous color paste: with 21% dispersant with high efficiency, 42% water, 36% pigment dyestuff, 0.25% sanitas adds dispersion machine, carrying out low speed disperses, rotating speed is 150 commentaries on classics/min, jitter time is 10 minutes, Deng all the components fully wetting after, carry out high speed dispersion again, rotating speed is 1000 commentaries on classics/min, and jitter time is 30 minutes, and all the components is mixed into slurry, behind the five equilibrium dissipating bind bundle, slurry is squeezed into horizontal sand mill grind, the time is 8-16 hour, and temperature is controlled in 20 ℃, make aqueous color paste, afterwards mill base is filtered by 320 purpose screen clothes, the mill base after the filtration just can discharging, and the mill base to discharging detects at last.
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Cited By (6)
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| CN102146235A (en) * | 2011-02-28 | 2011-08-10 | 杨小玲 | Waterborne environmental-friendly color paste without VOC (volatile organic compounds) and APEO (alkylphenol ethoxylates) and preparation method thereof |
| CN104004417A (en) * | 2014-06-04 | 2014-08-27 | 福建省华普新材料有限公司 | Formula and preparation method of aqueous color paste |
| CN105062224A (en) * | 2015-09-01 | 2015-11-18 | 吴江市屯村颜料厂 | Nanoscale pigment red 177 color paste and preparation method thereof |
| CN106609471A (en) * | 2015-10-22 | 2017-05-03 | 上海劳安涂料有限公司 | High-light fastness nano coating color paste used for weaving, and preparation method theref |
| CN106638044A (en) * | 2015-11-04 | 2017-05-10 | 上海劳安涂料有限公司 | High temperature resistant nano-pigment printing paste for textile and manufacturing method of nano-pigment printing paste |
| CN107874071A (en) * | 2017-06-30 | 2018-04-06 | 宁波品生物技术有限公司 | A kind of edible titanium dioxide slurry and its production technology |
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Application publication date: 20100929 |