CN106957539A - A kind of production method of high near-infrared reflection ratio titanium brown - Google Patents

A kind of production method of high near-infrared reflection ratio titanium brown Download PDF

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CN106957539A
CN106957539A CN201611150544.1A CN201611150544A CN106957539A CN 106957539 A CN106957539 A CN 106957539A CN 201611150544 A CN201611150544 A CN 201611150544A CN 106957539 A CN106957539 A CN 106957539A
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infrared reflection
slurry
reflection ratio
titanium dioxide
high near
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CN106957539B (en
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王玲
谢宏伟
廖向阳
杨伟伟
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Jiangsu New Mstar Technology Ltd
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3692—Combinations of treatments provided for in groups C09C1/3615 - C09C1/3684
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/12—Treatment with organosilicon compounds

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Abstract

The invention discloses a kind of production method of high near-infrared reflection ratio titanium brown.The present invention utilizes the high reaction activity of nanoscale hydrated titanium dioxide, from suitable nanoscale hydrated titanium dioxide, the additive such as addition titanic acid-sol, Zn-ef ficiency, antimony oxide, phosphoric acid, chromium oxide, by high-temperature calcination, crush, high near-infrared reflection ratio titanium brown product is made in desalination.The product has the notable feature that rational particle diameter distribution, color are moderate, easy scattered, near-infrared reflection ratio is high, is the ideal product of brown color near-infrared reflection functional material.

Description

A kind of production method of high near-infrared reflection ratio titanium brown
Technical field
The present invention relates to the preparation method of titanium brown, Gao Jinhong is prepared more particularly, to using suitable nanoscale hydrated titanium dioxide Production method of the external reflectance than titanium brown.
Background technology
Power-saving technology is paid attention to increasingly both at home and abroad at present, it is a kind of easy to be easy to improve to the direct albedo of solar radiation Capable technology path.From the point of view of the Energy distribution of the sun, the wavelength for the solar radiant energy that can be received on the earth is mainly distributed In the range of 250~2500nm, three parts can be divided into, the wave-length coverage of each part and shared energy are respectively：It is small The 3% of gross energy is accounted in 380nm ultraviolet region；380~780nm visible region accounts for the 45% of gross energy；It is more than 780nm near infrared region accounts for the 52% of gross energy.The wavelength for producing the main solar radiant energy of fuel factor is more than 780nm's Near infrared region, improves the direct reflection near infrared region solar radiant energy, can play the effect of cooling consumption reduction.
Traditional color pigment, it is impossible to adapt to the high near-infrared reflection ability of power conservation requirement, it is impossible to meet energy-saving function Products application requirement.Titanium brown with rutile crystal form can then have high near when rational particle diameter distribution is arrived in control Infrared external reflection ratio, is one of comparatively ideal colored near-infrared reflection functional material.
The excellent properties that titanium brown has：1. due to being got by pyroreaction and calcining, with rutile-type crystal formation, lattice Stability Analysis of Structures, heat-resisting, fast light, weather-proof and resistance to various chemical mediator performances are very excellent, and anti-grinded hardness index is good.2. titanium brown has Neutral pH value, it is adaptable to various medium systems, will not react with medium system.3. the color development element that titanium brown contains enters TiO2The security system of nontoxicization requirement is not completely suitable for by any medium etch under lattice, general condition.
The more ripe titanium brown product of in the market more use solid phase method technique, using titanium dioxide as primary raw material, although technique compared with To be simple, cost is relatively low, but because titanium dioxide has been stable crystal structure, it is necessary to which higher temperature carries out soild oxide Mixed calcining, causes unstable product quality.It is that primary raw material carries out titanium brown using nanoscale high activity hydrated titanium dioxide The other mixing of molecular level is realized between production, material, is a kind of simple and easy to do and stably and controllable product quality production method.
The content of the invention
The purpose of the present invention, is to provide for a kind of production method of high near-infrared reflection ratio titanium brown, what this method was solved The characteristics of technical problem is the high reaction activity using nanoscale hydrated titanium dioxide, realizes between material it is that molecular level is other mixed Close.Once washing, acid treatment, secondary water are carried out by preferred nanoscale high activity hydrated titanium dioxide, to hydrated titanium dioxide Wash, add inorganic agent mixing, calcining, once crush, grind the key steps such as desalination, drying, steam flow crushing, to reach that output is high near Purpose of the infrared external reflection than titanium brown.
The production method that the present invention is provided comprises the steps：
A, hydrated titanium dioxide are once washed：Choose hydrolysate hydration titanium dioxide prepared by sulfate process titanium dioxide production technology Titanium, sedimentation rate index meets 150~200mm/20min, and hydrated titanium dioxide is washed with 55~70 DEG C of running water, washing Qualified Judging index is that the iron content (in terms of Fe) in a washing waste water is less than 100mg/L；
B, acid treatment：Gained hydrated titanium dioxide will once be washed plus slurry, titanium dioxide concentration control is made in running water For 320~380g/L, temperature is at 55~70 DEG C, with H2SO4Meter, addition sulfuric acid is 30~50g/L, with Ti2O3Count, titanous is 0.5~1.5g/L, handles slurry 1~2 hour on this condition；After processing terminates, TiO in calcining seeds, calcining seeds is added2 Quality account in pending slurry contained TiO2The 2~7% of quality, are stirred 30 minutes；
The calcining seeds are titanic acid-sol calcining seeds, and the titanic acid-sol calcining seeds are given birth to for sulfate process titanium dioxide Rutile type calcining seeds prepared by production. art；
The secondary washing of c, hydrated titanium dioxide：With 55~70 DEG C of desalted waters hydrated titanium dioxide good to step b acid treatments Slurry is washed, and the qualified Judging index of washing is the iron content in secondary washing waste water (with Fe2O3Meter) control less than 10mg/L。
D plus inorganic agent：Desalted water is added to adjust titanium dioxide concentration control in hydrated titanium dioxide slurry obtained by secondary washing For 320~380g/L；Slurry pH value is adjusted to 2.5~4.0 with alkali；To account for contained TiO in pending slurry2The mass fraction of amount Meter, with Sb2O3Meter, the adding proportion of antimony oxide is 10~15%；With Cr2O3Meter, the adding proportion of chromium oxide is 5~10%；With H3PO4Meter, the adding proportion of phosphoric acid is 0.00~0.25%；In terms of ZnO, the adding proportion of zinc oxide or zinc sulfate or zinc chloride For 0.0~0.5%；In terms of MgO, the adding proportion of magnesia or magnesium sulfate or magnesium chloride is 0.0~0.5%；Add above-mentioned examination Slurry is stirred after agent 0.5~1 hour, slurry is pressed dry into moisture standby.
E, calcining：The material for pressing dry moisture is calcined, highest calcining heat is controlled between 900~1200 DEG C, is forged Rutile-type crystal formation content >=98.5% in burning product；
F, crushing：Calcining product are crushed with pulverizer, 45 μm of residue on sieves of control smashing fineness are less than 0.05%, produce High near-infrared reflection ratio titanium brown primary product；
G, desalination, sand milling：Slurry is made with desalted water in titanium brown primary product, slurry is ground with sand mill, is selected With 1.2~1.4 μm of zirconium silicate pearls or yttrium stabilised zirconia pearl, the slurry after grinding is washed with desalted water, control washing is useless Water conductivity is less than 80 μm/cm, slurry is pressed dry into moisture standby；
H, drying, steam flow are crushed：The drying materials for pressing dry moisture are removed into moisture removal, trimethylolethane, three hydroxyl first are added Base propane, polydimethylsiloxanepolymer polymer one kind therein, addition is account for comminuting matter quality 0.1~0.8%, through vapour Stream crushes to obtain titanium brown product.
Beneficial effects of the present invention are：
(1) products obtained therefrom of the present invention is rutile-type crystal structure, and with preferable particle diameter distribution, particle diameter D50 is between 500 Between~1500nm, product has excellent near infrared ray reflective ability.This method is hydrated dioxy by preferred nanoscale high activity Change titanium and color development element, auxiliary agent simultaneously added after carrying out removal of impurities to it, realize between material it is the other mixing of molecular level so that The size tunable growth of titanium brown product；, can by carrying out desalination to primary product, grinding and adding different surfactants So that product has wider applicability.
(2) present invention process is simple, easy to operate, with low cost.
Embodiment
With reference to specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to This.
Embodiment 1
The hydrolysate hydrated titanium dioxide for taking sulfate process titanium dioxide production technology to prepare, sedimentation rate is 155mm/20min, with 55~60 DEG C of running water are washed to hydrated titanium dioxide, iron content (in terms of Fe) 95mg/L in a washing waste water；Will Once washing gained hydrated titanium dioxide adds running water that slurry is made, and concentration is 322g/L, and temperature adds sulfuric acid at 60~65 DEG C (with H2SO4Meter) it is 48g/L, titanous is (with Ti2O3Meter) it is 0.6g/L, it is contained in pending slurry to account for after handling 1 hour TiO2The mass fraction meter of amount, adds titanic acid-sol calcining seeds (with TiO2Meter), adding proportion is 2%；It is de- with 60~65 DEG C The salt solution hydrated titanium dioxide good to acid treatment is washed, and the iron content in secondary washing waste water is (with Fe2O3Meter) it is 8mg/L； Add desalted water that slurry is made hydrated titanium dioxide obtained by secondary washing, concentration is 335g/L；With potassium hydroxide adjustment slurry PH It is worth 2.5~4.0；To account for contained TiO in pending slurry2The mass fraction meter of amount, the antimony oxide of addition is (with Sb2O3Meter) add Plus ratio is 10%；Chromium oxide is (with Cr2O3Meter) adding proportion be 5%；Phosphoric acid is (with H3PO4Meter) adding proportion be 0.25%；Oxygen Change zinc or zinc sulfate or zinc chloride (counts) adding proportion as 0.5% using ZnO；Add and stirred 0.5~1 hour after mentioned reagent, will Slurry press dry moisture and calcined, and highest calcining heat control rutile-type crystal formation content in 1150 DEG C, calcining product is 99.5%；Calcining product are crushed with mechanical crusher, smashing fineness 0.02%, produce high near-infrared reflection ratio titanium brown primary Product；Slurry is made with desalted water in titanium brown primary product, slurry is ground with sand mill, from 1.2~1.4 μm of silicon Sour zirconium pearl, is washed with desalted water to the slurry after grinding, 75 μm/cm of washing waste water electrical conductivity, and slurry is pressed dry into moisture；Will The drying materials for pressing dry moisture remove moisture removal, add trimethylolethane, addition is account for comminuting matter quality 0.1%, warp Steam flow crushes to obtain high near-infrared reflection ratio titanium brown product.
Embodiment 2
The hydrolysate hydrated titanium dioxide for taking sulfate process titanium dioxide production technology to prepare, sedimentation rate is 195mm/20min, with 60~65 DEG C of running water are washed to hydrated titanium dioxide, iron content (in terms of Fe) 85mg/L in a washing waste water；Will Once washing gained hydrated titanium dioxide adds running water that slurry is made, and concentration is 375g/L, and temperature adds sulfuric acid at 55~60 DEG C (with H2SO4Meter) it is 32g/L, titanous is (with Ti2O3Meter) it is 1.5g/L, it is contained in pending slurry to account for after handling 2 hours TiO2The mass fraction meter of amount, adds titanic acid-sol calcining seeds (in terms of TiO2), adding proportion is 7%；With 60~65 DEG C The desalted water hydrated titanium dioxide good to acid treatment is washed, and the iron content in secondary washing waste water is (with Fe2O3Meter) be 10mg/L；Add desalted water that slurry is made hydrated titanium dioxide obtained by secondary washing, concentration is 360g/L；Adjusted and starched with potassium carbonate Expect pH value to 2.5~4.0；To account for contained TiO in pending slurry2The mass fraction meter of amount, the antimony oxide of addition is (with Sb2O3 Meter) adding proportion be 15%；Chromium oxide is (with Cr2O3Meter) adding proportion be 10%；Phosphoric acid is (with H3PO4Meter) adding proportion is 0.00%；Zinc oxide or zinc sulfate or zinc chloride (count) adding proportion as 0.0% using ZnO；Magnesia or magnesium sulfate or magnesium chloride Adding proportion is 0.5%；Add and stirred 0.5~1 hour after mentioned reagent, slurry is pressed dry into moisture and calcined, highest calcining Temperature control rutile-type crystal formation content in 900 DEG C, calcining product is 98.5%；Calcining product are subjected to powder with mechanical crusher Broken, smashing fineness 0.04% produces high near-infrared reflection ratio titanium brown primary product；Slurry is made of desalted water for titanium brown primary product Material, is ground to slurry with sand mill, from 1.2~1.4 μm of yttrium stabilised zirconia pearl, the slurry after grinding is entered with desalted water Water-filling is washed, 75 μm/cm of washing waste water electrical conductivity, and slurry is pressed dry into moisture；The drying materials for pressing dry moisture are removed into moisture removal, added Trimethylolpropane, addition is account for comminuting matter quality 0.3%, and high near-infrared reflection ratio titanium brown production is crushed to obtain through steam flow Product.
Embodiment 3
The hydrolysate hydrated titanium dioxide for taking sulfate process titanium dioxide production technology to prepare, sedimentation rate is 170mm/20min, with 55~60 DEG C of running water are washed to hydrated titanium dioxide, iron content (in terms of Fe) 85mg/L in a washing waste water；Will Once washing gained hydrated titanium dioxide adds running water that slurry is made, and concentration is 352g/L, and temperature adds sulfuric acid at 65~70 DEG C (with H2SO4Meter) it is 35g/L, titanous is (with Ti2O3Meter) it is 1.1g/L, it is contained in pending slurry to account for after handling 1.5 hours The mass fraction meter of TiO2 amounts, adds titanic acid-sol calcining seeds (with TiO2Meter), adding proportion is 5%；With 55~60 DEG C The desalted water hydrated titanium dioxide good to acid treatment is washed, and the iron content in secondary washing waste water is (with Fe2O3Meter) it is 9mg/ L；Add desalted water that slurry is made hydrated titanium dioxide obtained by secondary washing, concentration control is 360g/L；Adjusted with NaOH Slurry pH value is to 2.5~4.0；To account for contained TiO in pending slurry2The mass fraction meter of amount, the antimony oxide of addition is (with Sb2O3 Meter) adding proportion be 12%；Chromium oxide is (with Cr2O3Meter) adding proportion be 8%；Phosphoric acid is (with H3PO4Meter) adding proportion is 0.05%；Zinc oxide or zinc sulfate or zinc chloride (count) adding proportion as 0.3% using ZnO；Magnesia or magnesium sulfate or magnesium chloride Adding proportion is 0.2%；Add and stirred 0.5~1 hour after mentioned reagent, slurry is pressed dry into moisture and calcined, highest calcining Temperature control rutile-type crystal formation content >=99.0% in 1000 DEG C, calcining product；Calcining product are subjected to powder with mechanical crusher Broken, smashing fineness 0.04% produces high near-infrared reflection ratio titanium brown primary product；Slurry is made of desalted water for titanium brown primary product Material, is ground to slurry with sand mill, from 1.2~1.4 μm of zirconium silicate pearl, the slurry after grinding is carried out with desalted water Slurry is pressed dry moisture by washing, 78 μm/cm of washing waste water electrical conductivity；The drying materials for pressing dry moisture are removed into moisture removal, added poly- Dimethylsiloxane polymer, addition is account for comminuting matter quality 0.8%, and high near-infrared reflection ratio titanium is crushed to obtain through steam flow Brown product.
The titanium brown product of embodiment is detected, R% therein is XRD testing results, particle diameter is examined for laser particle analyzer Result is surveyed, near-infrared reflection ratio (NIR) is the testing results of Agilent cary 5000, and gained detection data are arranged in table 1 later Show：
Table 1：Embodiment Product checking data

Claims (10)

1. a kind of production method of high near-infrared reflection ratio titanium brown, it is characterised in that comprise the following steps：
A, hydrated titanium dioxide are once washed：Take qualified hydrolysate hydration titanium dioxide prepared by sulfate process titanium dioxide production technology Titanium, is washed with 50~60 DEG C of running water to hydrated titanium dioxide, washes qualified Judging index in a washing waste water Iron content (in terms of Fe) be less than 100mg/L；
B, acid treatment：Gained hydrated titanium dioxide will once be washed plus slurry is made in running water, titanium dioxide concentration control is 320 ~380g/L, temperature is at 55~70 DEG C, with H2SO4Meter, addition sulfuric acid is 30~50g/L；With Ti2O3Meter, titanous be 0.5~ 1.5g/L, handles slurry 1~2 hour on this condition；After processing terminates, TiO in calcining seeds, calcining seeds is added2Matter Measure to account for contained TiO in pending slurry2The 2~7% of quality, are stirred 30 minutes after adding；
The secondary washing of c, hydrated titanium dioxide：With 55~70 DEG C of desalted waters hydrated titanium dioxide slurry good to step b acid treatments Washed, the qualified Judging index of washing is the iron content in secondary washing waste water (with Fe2O3Meter) control less than 10mg/ L；
D plus inorganic agent：Add desalted water to adjust titanium dioxide concentration control in hydrated titanium dioxide slurry obtained by secondary washing to be 320~380g/L；Slurry pH value is adjusted to 2.5~4.0 with alkali；To account for contained TiO in pending slurry2The mass fraction of amount Meter, with Sb2O3Meter, the adding proportion of antimony oxide is 10~15%；With Cr2O3Meter, the adding proportion of chromium oxide is 5~10%；With H3PO4Meter, the adding proportion of phosphoric acid is 0.00~0.25%；In terms of ZnO, the adding proportion in zinc source is 0.0~0.5%；With MgO Meter, the adding proportion in magnesium source is 0.0~0.5%；Add and stirred 0.5~1 hour after mentioned reagent, slurry is pressed dry into moisture standby With；
E, calcining：The material for pressing dry moisture is calcined, highest calcining heat is controlled between 900~1200 DEG C, and control is forged Rutile-type crystal formation content >=98.5% in burning product；
F, crushing：Calcining product are crushed with pulverizer, control smashing fineness is qualified, at the beginning of producing high near-infrared reflection ratio titanium brown Level product；
G, desalination, sand milling：Slurry is made with desalted water in titanium brown primary product, slurry is ground with sand mill, from 1.2 ~1.4 μm of zirconium silicate pearl or yttrium stabilised zirconia pearl, is washed with desalted water to the slurry after grinding, controls washing waste water conductance Rate is less than 80 μm/cm, slurry is pressed dry into moisture standby；
H, drying, steam flow are crushed：The drying materials for pressing dry moisture are removed into moisture removal, surface conditioning agent is added, is crushed through steam flow High near-infrared reflection ratio titanium brown product.
2. a kind of production method of high near-infrared reflection ratio titanium brown according to claims 1, it is characterised in that step a In, qualified hydrolysate hydrated titanium dioxide prepared by the sulfate process titanium dioxide production technology refers to hydrolysate sedimentation rate index Meet 150~200mm/20min hydrolysis material；The measuring method of hydrolysate sedimentation rate index is：100ml is taken to be more than 90 DEG C Hydrolysate and 900ml temperature be sufficiently mixed for 20 ± 2 DEG C of desalted water after, be placed in 1000ml graduated cylinders, in 22 ± 2 DEG C Standing sedimentation 20min under environment, the supernatant liquor measured highly is the hydrolysate sedimentation rate.
3. a kind of production method of high near-infrared reflection ratio titanium brown according to claims 1, it is characterised in that step b In, the calcining seeds are titanic acid-sol calcining seeds, and the titanic acid-sol calcining seeds are that sulfate process titanium dioxide produces work Rutile type calcining seeds prepared by skill.
4. a kind of production method of high near-infrared reflection ratio titanium brown according to claims 1 or 2, it is characterised in that institute State desalted water and meet electrical conductivity less than 10 μ s/cm, clear appearance is transparent.
5. the production method of a kind of high near-infrared reflection ratio titanium brown according to claim 1, it is characterised in that in step d, The alkali is potassium hydroxide, potassium carbonate, NaOH, sodium carbonate one kind therein；The antimony oxide refers to content (with Sb2O3Meter) >=99.0%, the industrial goods antimony oxide of residue on sieve (mass fraction, 45 μm)≤0.05%；The chromic oxide content is (with Cr2O3Meter) >=99%, the industrial goods chromium oxide of residue on sieve (mass fraction, 45 μm)≤0.01%.
6. the production method of a kind of high near-infrared reflection ratio titanium brown according to claim 1, it is characterised in that in step d, The zinc source is zinc oxide, zinc sulfate or zinc chloride；Magnesium source is magnesia, magnesium sulfate or magnesium chloride.
7. the production method of a kind of high near-infrared reflection ratio titanium brown according to claim 1, it is characterised in that in step f, The smashing fineness is qualified, produces high near-infrared reflection ratio titanium brown primary product and refers to that 45 μm of residue on sieves are less than 0.05%, through swashing Light particle size analyzer detects particle diameter D50 between 500~1500nm, the pulverized product of rutile-type crystal formation content >=98.5%.
8. the production method of a kind of high near-infrared reflection ratio titanium brown according to claim 1, it is characterised in that in step h, The surface conditioning agent is trimethylolethane, trimethylolpropane, polydimethylsiloxanepolymer polymer one kind therein, addition Measure to account for 0.1~0.8% (mass ratio) of comminuting matter quality.
9. the production method of a kind of high near-infrared reflection ratio titanium brown according to claim 1, it is characterised in that in step h, The high near-infrared reflection ratio titanium brown product refers to that 45 μm of residue on sieves are less than 0.02%, detects that particle diameter D50 is situated between through laser particle analyzer Between 500~1500nm, water dissolvable salt content is less than 0.1%, the pulverized product of rutile-type crystal formation content >=98.5%.
10. the purposes of high near-infrared reflection ratio titanium brown according to made from preparation method according to any one of claims 1 to 9, Characterized in that, the high near-infrared reflection ratio titanium brown product to be used for the pale brown color system for needing to reflect near infrared ray.
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Cited By (2)

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CN107652713A (en) * 2017-10-20 2018-02-02 攀钢集团攀枝花钢铁研究院有限公司 A kind of method for preparing titanium yellow pigment
CN108165052A (en) * 2017-12-14 2018-06-15 华南理工大学 A kind of ceramic pigment with near-infrared reflection and preparation method thereof

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