CN104151876B - A kind of preparation method of glittering golden pearly pigment of synthetic - Google Patents

A kind of preparation method of glittering golden pearly pigment of synthetic Download PDF

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CN104151876B
CN104151876B CN201410350927.8A CN201410350927A CN104151876B CN 104151876 B CN104151876 B CN 104151876B CN 201410350927 A CN201410350927 A CN 201410350927A CN 104151876 B CN104151876 B CN 104151876B
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pearly pigment
purity
adds
golden pearly
caustic soda
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CN104151876A (en
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吴昌硕
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RUICAI TECHNOLOGY Co Ltd
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Abstract

The invention provides the preparation method of the glittering golden pearly pigment of a kind of synthetic.First the method adopts constant-pressure and high-temperature fused junction crystallization, and crystallization goes out silicate single wafer, on a single wafer depositing Ti O 2with Fe 2o 3deng oxide compound, at high temperature, glittering golden pearly pigment is crystallized into.First salt of wormwood, quartz sand, magnesia, aluminum oxide, potassium silicofluoride are mixed by a certain percentage, add heating and melting in melting furnace, crystallisation by cooling after melting, isolate single-chip, be distributed in water, between pH=1.5 ~ 5, add the raw material such as titanium tetrachloride, iron trichloride to be hydrolyzed deposition, make Fe 2o 3deposition between 5 ~ 30%, TiO 2deposition is between 10 ~ 50%; Carry out again dewatering, calcine and obtain golden pearly pigment.The present invention directly prepares golden pearly pigment by silicate etc., is conducive to controlling quality product, production cost, reduces environmental pollution.

Description

A kind of preparation method of glittering golden pearly pigment of synthetic
Technical field
The invention belongs to pigment technology field, be specifically related to a kind of preparation method of glittering golden pearly pigment of synthetic.
Background technology
Study On Mica is with natural mica thin slice for base material, with the continuous coated one deck of special producing technique or alternately coated multilayer TiO 2, Fe 2o 3the micro mist formed Deng high refractive index metal oxide, coating mostly is transition element oxide compound and silicoaluminate, carbon black and the organic toners such as titanium, iron, zinc, tin.This oxide membranous layer is much higher compared with the optical index of base material, and itself is transparent again, therefore produces interference to the reflection of light and transmission, and the gloss of its film is just as soft as pearl and give three-dimensional space texture.Nacreous mica pigment is nontoxic, fast light, heat-resisting, stable chemical nature, possesses the optical properties such as chromatogram is wide, strong coloring force, luminous intensity and metallic appearance are strong, physical strength is high.The research of current white mica based pearlescent pigments is comparatively ripe, and the research of phlogopite based pearlescent pigments needs deeply.
Within 1963, du pont company utilizes nonmetalliferous ore raw material to develop a kind of artificial pearl's delustering pigment---mica titanium nacreous material, widely, major applications is in fields such as sedan limousine decorative paint, military equipment camouflage, coating, plastics, leather, printing-ink, pottery, makeup in its application.In coating, it is easily uniformly distributed, and coating can be made to have good weathering resistance and light stability also can keep flash effect; In paint, it can improve the visual appearance of paint, strengthens weathering resistance, automobile and large-scale amusement toy are obtained for widespread use; For making it present metalluster in plastics, rubber, improving light stability, also can strengthen printing and printing and dyeing effect; In makeup, because it is nontoxic to skin, non-stimulated, uv reflectance, skin makeup skin care function, may be used in lipstick, eye shadow, shampoo, nail varnish, hair jelly, protective skin cream etc.
Along with the expansion of nacreous mica pigment range of application, requirements at the higher level are proposed to its performance, because its opacifying power, tint permanence, the transparency, stability and photostabilization have unsatisfactory part, application is subject to a definite limitation, so, improve the Main way that its performance is the research of current pearly pigment.
Summary of the invention
The invention provides a kind of preparation method of glittering golden pearly pigment of synthetic, solve in the past with TiO 2with Fe 2o 3the problem that the golden pearly pigment nacreous lustre prepared for raw material is poor.
The technical scheme that the present invention takes: adopt constant-pressure and high-temperature fused junction crystallization, crystallization goes out silicate single wafer, on a single wafer depositing Ti O 2with Fe 2o 3, at high temperature, crystallize into glittering golden pearly pigment.First salt of wormwood, quartz sand, magnesia, aluminum oxide, potassium silicofluoride, titanium tetrachloride, iron trichloride, tin tetrachloride is selected to be raw material, first salt of wormwood, quartz sand, magnesia, aluminum oxide, potassium silicofluoride are mixed by a certain percentage, add heating and melting in melting furnace, crystallisation by cooling after melting, isolates single-chip.Then according to size, single-chip is sieved, be distributed in water, between pH=1.5 ~ 5, add the raw material such as titanium tetrachloride, iron trichloride to be hydrolyzed deposition, make Fe 2o 3deposition between 5 ~ 30%, TiO 2deposition is between 10 ~ 50%; Carry out again dewatering, calcine and namely become glittering golden pearly pigment.
The present invention directly prepares golden pearly pigment by silicate etc., is conducive to controlling quality product, production cost, decrease environmental pollution, and product color is bright-coloured.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and following examples only for explaining the present invention, do not form limiting the scope of the present invention.
Experimental drug required for the present invention is as follows: salt of wormwood, quartz sand, magnesia, aluminum oxide, potassium silicofluoride, titanium tetrachloride, iron trichloride, hydrochloric acid, sodium hydroxide, tin tetrachloride, aluminum chloride etc.
Specific experiment process is as follows:
1 first will
Carry out weighing mixing in proportion, pour into after being warmed up to 1000-1700 DEG C in melting furnace, natural cooling crystallization.
The single crystal of advantages of good crystallization carries out peeling off, grind or sieve out 100 grams of single-chips by 2.
100 grams of single-chips are distributed in 1L water by 3, are uniformly dispersed, are warmed up to 60-70 DEG C, adjust between pH1.5-2.0, add tin tetrachloride solution (SnO 20.5-2wt%), use liquid caustic soda constant pH, wherein tin tetrachloride solution only can comprise a kind of material of tin tetrachloride and also can comprise aluminum chloride further.
4 complete previous step after, be adjusted to by pH between 1.8-2.5, temperature is adjusted between 70-80 DEG C and adds titanium tetrachloride solution (TiO 25-50wt%), wherein titanium tetrachloride solution only can comprise a kind of material of titanium tetrachloride and also can comprise Cerium II Chloride further, uses liquid caustic soda constant pH.
5 complete previous step after, be adjusted to by pH between 2.5-3.5, temperature is adjusted between 75-85 DEG C and adds liquor ferri trichloridi (Fe 2o 3wt5-45%), wherein liquor ferri trichloridi only can comprise a kind of material of iron trichloride, also can comprise the mixture of titanium tetrachloride or zinc chloride wherein a kind of material or both arbitrary proportions further, use liquid caustic soda constant pH.
The product deposited is carried out suction filtration, oven dry by 6, then namely it is obtained product in calcining 700 DEG C-800 DEG C.
Example below will be further described the present invention, but content of the present invention is not limited thereto completely.
Example 1
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 65g, magnesia (purity 99%) 73g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 43g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4150mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, TiO simultaneously 2clad ratio is 33%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 365mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 3.5, Fe simultaneously 2o 3clad ratio is 17.8%, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 2
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 68g, magnesia (purity 99%) 78g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 45g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4150mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, TiO simultaneously 2clad ratio is 33%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 365mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 3.5, Fe simultaneously 2o 3clad ratio is 17.8%, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 3
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 68g, magnesia (purity 99%) 78g, anhydrous alumina (purity 98%) 32g, potassium silicofluoride (purity 99.5%) 40g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4150mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, TiO simultaneously 2clad ratio is 33%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 365mL adds in suspension with the speed of 1mL/min, Fe 2o 3clad ratio is 17.8%, uses the liquid caustic soda constant pH of 1mol/L to 3.5 simultaneously, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 4
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 65g, magnesia (purity 99%) 73g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 43g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 2gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4120mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, TiO simultaneously 2clad ratio is 28%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 365mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 3.5, Fe simultaneously 2o 3clad ratio is 19%, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 5
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 65g, magnesia (purity 99%) 73g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 43g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 2.0, by the TiCl of 2mol/L 4120mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 2.0, TiO simultaneously 2clad ratio is 27%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 380mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 3.5, Fe simultaneously 2o 3clad ratio is 22%, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 6
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 68g, magnesia (purity 99%) 78g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 45g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4120mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, TiO simultaneously 2clad ratio is 26.6%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 385mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 3.5, Fe simultaneously 2o 3clad ratio is 23.6%, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 7
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 65g, magnesia (purity 99%) 73g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 43g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4the FeCl of 100mL and 3.5mol/L 3the mixture of 80mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, Fe simultaneously 2o 3clad ratio is 19.8%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 2.8, by the TiCl of 2mol/L 460mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 2.8, TiO simultaneously 2clad ratio is 35.7%, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 8
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 65g, magnesia (purity 99%) 73g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 43g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o and 1gAlCl 36H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4150mL adds in suspension with the speed of 1mL/min, uses the constant pH value of the liquid caustic soda of 1mol/L to 1.8, TiO simultaneously 2clad ratio is 33%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 365mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 3.5, Fe simultaneously 2o 3clad ratio is 17.8%, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 9
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 65g, magnesia (purity 99%) 73g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 43g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4the FeCl of 100mL and 3.5mol/L 3the mixture of 80mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, TiO simultaneously 2clad ratio is 21.5%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 330mL and 1mol/LZnCl 210mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 3.5, Fe simultaneously 2o 3total clad ratio is 29.5%, ZnO 2clad ratio be 0.8% add material after continue to stir 1h, filter, washing, to dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 10
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 65g, magnesia (purity 99%) 73g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 43g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4the FeCl of 60mL and 3.5mol/L 3the mixture of 40mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8 simultaneously.
Temperature is raised to 80 DEG C by 6, and pH is adjusted to 8.0, adds in suspension, use the hydrochloric acid constant pH of 0.5mol/L to 8.0, SiO simultaneously by the nine water water glass 100mL of 100g/L with the speed of 1mL/min 2clad ratio is 2%.
7 reduce the temperature to 76 DEG C, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4the FeCl of 60mL and 3.5mol/L 3the mixture of 40mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, TiO simultaneously 2total clad ratio is 26.4%, Fe 2o 3total clad ratio be 22% add material after continue to stir 1h, filter, washing, to dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 11
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 65g, magnesia (purity 99%) 73g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 43g first mix by 1.
2 material poured in melting furnace, be warmed up to 1380 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 65 DEG C, regulates pH=1.5, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 76 DEG C by 5, and pH is adjusted to 2.5, by the TiCl of 2mol/L 4150mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, TiO simultaneously 2clad ratio is 33%.
Temperature is raised to 85 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 365mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 3.5, Fe simultaneously 2o 3clad ratio is 17.8%, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.
Example 12
Anhydrous potassium carbonate (purity content 99.9%) 20g, quartz sand (purity 99%) 65g, magnesia (purity 99%) 73g, anhydrous alumina (purity 98%) 28g, potassium silicofluoride (purity 99.5%) 43g first mix by 1.
2 material poured in melting furnace, be warmed up to 1500 DEG C after, be incubated 16 hours, natural cooling crystallization 30 days.
3 by broken for xln, mill, cross 325-600 order sizing screen.
The xln 50g separated is distributed in 500mL water by 4, stirs, is warmed up to 75 DEG C, regulates pH=1.7, by 1.5gSnCl 45H 2o is diluted to 100mL, adds in suspension with the speed of 2mL/min.
Temperature is raised to 80 DEG C by 5, and pH is adjusted to 1.8, by the TiCl of 2mol/L 4150mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 1.8, TiO simultaneously 2clad ratio is 33%.
Temperature is raised to 80 DEG C by 6, and pH is adjusted to 3.5, by the FeCl of 3.5mol/L 365mL adds in suspension with the speed of 1mL/min, uses the liquid caustic soda constant pH of 1mol/L to 3.5, Fe simultaneously 2o 3clad ratio is 17.8%, and add rear continuation of material and stir 1h, filtration, washing, oven dry, put in retort furnace and burn 800 DEG C, final obtained glittering golden pearly pigment.

Claims (2)

1. the preparation method of the glittering golden pearly pigment of a synthetic, the method comprises the steps: silicate single wafer to be placed in reactor, add deionized water, solid-liquid mass volume ratio is regulated to be (1:8) ~ (10:1), temperature controls between 50 DEG C ~ 90 DEG C, pH controls between 1.5 ~ 5, stir, then carry out successively following 3 layers coated:
The first layer: temperature controls at 60 ~ 70 DEG C, adds the arbitrary proportion mixture of tin tetrachloride and aluminum chloride two kinds of materials in above-mentioned reaction solution, maintains 1.5 ~ 2.0 all the time by liquid caustic soda adjust ph simultaneously;
The second layer: temperature controls at 70 ~ 85 DEG C, adds the arbitrary proportion mixture of titanium tetrachloride and Cerium II Chloride two kinds of materials in the first layer reaction solution, maintains 1.8 ~ 2.5 all the time by liquid caustic soda adjust ph simultaneously;
Third layer: temperature controls at 75 ~ 85 DEG C, in second layer reaction solution, add the arbitrary proportion mixture of iron trichloride and titanium tetrachloride two kinds of materials or the arbitrary proportion mixture of iron trichloride and zinc chloride two kinds of materials, maintain 2.5 ~ 3.5 all the time by liquid caustic soda adjust ph simultaneously;
Then third layer suspension suction filtration, washing, oven dry, in 700 DEG C ~ 800 DEG C calcinings, above-mentioned glittering golden pearly pigment is namely obtained.
2. the preparation method of the glittering golden pearly pigment of a kind of synthetic according to claim 1, is characterized in that, described third layer suspension meets Fe 2o 3deposition 5 ~ 30%, TiO 2deposition 10 ~ 50%.
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