CN101693789A - Titanium dioxide granular pigment and preparation method thereof - Google Patents
Titanium dioxide granular pigment and preparation method thereof Download PDFInfo
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- CN101693789A CN101693789A CN200910153574A CN200910153574A CN101693789A CN 101693789 A CN101693789 A CN 101693789A CN 200910153574 A CN200910153574 A CN 200910153574A CN 200910153574 A CN200910153574 A CN 200910153574A CN 101693789 A CN101693789 A CN 101693789A
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Abstract
The invention belongs to the field of chemical pigments and particularly relates to a titanium dioxide granular pigment and a preparation method thereof. The related titanium dioxide granular pigment comprises titanium dioxide which is a main component; an additive coating layer is arranged outside the titanium dioxide; and the titanium dioxide and the coating layer are combined together to form the granular pigment. The pigment is prepared by the following steps: preparing an additive aqueous solution and heating to 30-100 DEG C; delivering the titanium dioxide to a granulating machine, uniformly spraying the prepared additive aqueous solution on the titanium dioxide and gradually forming small granules; screening the prepared granules by a vibrating screen and drying to obtain a finished product. The granular pigment prepared by the invention is difficult to disperse, thereby effectively inhibiting dust pollution; and the titanium dioxide granular pigment has high color preserving performance, good fluidity and dispersibility and low cost and is suitable for being widely applied in industries.
Description
Technical field
The invention belongs to the chemical color field, relate to a kind of pigment and manufacture method thereof, furtherly, specifically is a kind of titanium dioxide granular pigment and manufacture method thereof.
Background technology
Ferric oxide series pigment and titanium white powder pigment are the important colouring materials that is widely used in the industry such as coating, cement, pitch.These traditional raw materials all are fine powder-products, in use very easily fly upward, and have a strong impact on the healthy of environment and workman, and in the modern production operation, because its flowability is poor, be difficult for accurately metering and automatic charging, on automatic industrial manufacturing line, be difficult to apply.Therefore, press for a kind of environment-friendly type pigment that can solve dust pollution of exploitation.At these technical problems, the applicant is by a large amount of research and test, file an application and obtained the patent of invention (patent No. ZL03103924.3) that name is called " particulate iron oxide red and manufacture method thereof ", this patented technology is by manufacturing traditional red iron oxide powder stock the particulate state of certain diameter, on the basis that does not change product performance and result of use, solved the dust pollution question of original powder stock preferably, thereby solved the substitution problem of Powdered iron oxide red pigment, checked the spreading trend of pneumoconiosis occupational illness in the exposed population group.Simultaneously, this patented technology has been improved the good fluidity of product, has solved a difficult problem that is difficult to automatic gauge in the modern industry production, feasible accurate, the convenience that feeds intake.
But, because the ZL03103924.3 patent of invention has only solved the traditional problem of red iron oxide powder pigment, do not solve ferric oxide other colouring material of series or titanium dioxide colouring material technical problem as the pigment main body, such as when titanium dioxide during as the colouring material main body, when how to solve its dust from flying, automatic gauge difficulty, can ensure the performance issue of product again well.In fact, solve the above-mentioned serial problem of titanium white powder pigment, need do deep analysis to PERFORMANCE OF TITANIUM DIOXIDE PIGMENT, particularly the combination of additive composition and preferred version, the optimal selection of particle diameter and the manufacture method of correspondence of main body particle coating layer are studied, thereby proposed to have the solution of practical significance.
Summary of the invention
Purpose of the present invention is exactly in order to solve above shortcomings in the prior art, proposes a kind of Environmental Safety, measures titanium white powder pigment and corresponding method of manufacture convenient, stable performance, and a kind of titanium dioxide granular pigment and manufacture method thereof specifically are provided.
Titanium dioxide (TiO2), chemical property is stable, water insoluble and lipid acid and weak inorganic acid, but can be slightly soluble in alkali, and can be by the vitriol oil and dissolving with hydrochloric acid, product appearance is a white, blue partially phase, particle jewelry, expensive clothing and other valuables, good dispersity.As a kind of pigment raw material, its purposes is very extensive.
The titanium dioxide granular pigment that the present invention is related comprises the main component titanium dioxide, and the main component titanium dioxide has the additive-package coating outward, main component titanium dioxide and the coating layer formation granular pigment that combines.
The composition of above-mentioned related coating layer additive is the combination of any one or more than one component in Xylo-Mucine, polyvinyl alcohol, water glass, gelatin, sodium lignosulfonate, ferrous sulfate, calcium lignin sulphonate, Sodium hexametaphosphate 99, polyacrylic acid, the sodium stearate.
As a kind of preferred, the composition of coating layer additive is the combination of any one or two kinds of components in water glass, the gelatin.
As a kind of preferred, the composition of coating layer additive is the combination of any one or two kinds of components in sodium stearate, the Sodium hexametaphosphate 99.
Further preferred, the composition of coating layer additive is the combination of any one or more than one component in sodium lignosulfonate, calcium lignin sulphonate, the polyvinyl alcohol.
Titanium dioxide particle diameter of the present invention is 4 millimeters～0.15 millimeter.
As a kind of preferred, particle diameter is 1.40 millimeters～0.3 millimeter.
Titanium dioxide granular pigment manufacture method of the present invention, realize by following steps: the combination of a) getting in Xylo-Mucine, polyvinyl alcohol, water glass, gelatin, sodium lignosulfonate, ferrous sulfate, calcium lignin sulphonate, Sodium hexametaphosphate 99, polyacrylic acid, the sodium stearate any one or more than one component is as additive, proportioning between the various components can be any proportioning, additive is mixed with the aqueous solution of 0.1～30% (weight ratio), heats 30～100 ℃; B) by weight, get 100 parts～200 parts of titanium dioxides, send into tablets press, 15 parts～60 parts additive aqueous solution are evenly sprayed on the powder, can select for use sprayed tank to spray, and adopt pressurized with compressed air, used pressure generally is controlled in the 0.6Mpa, form small-particle gradually, these particles can be spherical, also can be cylindric or other shapes; C) particle that step b) is made screens with vibratory screening apparatus, and the selected aperture of vibratory screening apparatus is 4 millimeters～0.15 millimeter, and preferred aperture is 1.40 millimeters～0.3 millimeter, and gained particle diameter material dried gets product.
As a kind of preferred, the combination of getting in sodium stearate, the Sodium hexametaphosphate 99 any one or two kinds of components is sent into diameter 1500mm～3000mm granulating disc as additive with the automatic gauge transfer roller, makes coccoid particle.
As a kind of preferred, the combination of getting in sodium lignosulfonate, calcium lignin sulphonate, the polyvinyl alcohol any one or more than one component is sent into diameter 1500mm～3000mm granulating disc with the automatic gauge transfer roller, and is made coccoid particle as additive.
Beneficial effect of the present invention comprises at least:
1, because the present invention manufactures traditional Powdered titanium dioxide colouring material the larger particles shape pigment that is coated with additive, make that this product settling velocity in air is fast, be difficult for diffusion, thereby effectively check dust pollution, this granular pigment has substituted conventional powder shape titanium white powder pigment well, has solved because of using the caused occupational illness problem of conventional powder shape titanium white powder pigment.
2, the product because of gained of the present invention presents sized granular, thereby has improved the flowing property of product, has solved a difficult problem that is difficult to automatic gauge in modern industrialization production, has realized convenience, the purpose that accurately feeds intake.
3, the related titanium dioxide granular pigment manufacturing technology of the present invention is compared with existing agglomeration technique, has outstanding substantive distinguishing features and obvious improvement, thereby has improved the product use properties of gained titanium dioxide granular pigment greatly:
(1) adopt existing agglomeration technique, though also can obtain the titanium dioxide granular pigments, the use properties of product also is subjected to very big influence, is difficult for difficult problems such as dispersion, easy caking when using in materials such as coating, cement, pitch.The titanium dioxide granular pigment manufacture method that the present invention is related, be not only simply to make the material process, adopted effective spray to coat means simultaneously, select suitable granular size, guaranteeing that product should have on the basis of performance, improving the tint retention energy in the product application;
(2) composition and the combination of the suitable coating layer additive of selection targetedly is one of major contribution of the present invention:
1. select water glass, gelatin as additive, can improve the flowability of titanium dioxide particulate pigment product;
2. select sodium lignosulfonate, calcium lignin sulphonate, polyvinyl alcohol as additive, can improve the dispersiveness of titanium dioxide particulate pigment product;
3. select sodium stearate, Sodium hexametaphosphate 99 as additive, the product of manufacturing can be used in the oiliness the inside, has improved its dispersiveness greatly;
4. additive proposed by the invention, can be by the combination of any proportioning, it also can be single any additive, this just can satisfy the different requirements that product proposes the product the subject of knowledge and the object of knowledge better in the different application field, the use cost of also really accomplishing to reduce targetedly product simultaneously.
Embodiment
[embodiment 1]
The manufacture method of the described titanium dioxide granular pigment of present embodiment may further comprise the steps and realizes:
A) take by weighing Xylo-Mucine 0.03Kg, ferrous sulfate 0.01Kg, mix the back, join in the 40Kg water, be heated to 30 ℃ as additive, to be added dose of dissolving fully, the additive aqueous solution of gained is standby;
B) by the automatic gauge transfer roller, 100Kg titanium dioxide powder is sent in the granulating disc of diameter 1500mm, liquid spraying can with the additive aqueous solution that the step a) gained is housed sprays on the powder, the usage quantity of the control additive aqueous solution is 15Kg, the pressure that spray is adopted is 0.1Mpa, forms the titanium dioxide small-particle that is coated with additive gradually;
C) particle that step b) is made screens with 20 order vibratory screening apparatuss, and gained particle diameter material is dried;
D) with the particle diameter material of oven dry, carry out fractional separation and get product.
Adopt the titanium dioxide granular pigment of aforesaid method manufacturing, outside its main component titanium dioxide, the additive-package coating is arranged, main component titanium dioxide and the coating layer formation granular pigment that combines.Nontoxic, the odorless, tasteless of used additive composition Xylo-Mucine in the present embodiment (being called for short CMC-Na), belong to anionic line style water-soluble polymers, can water-soluble (should use cold-water solution) generate anti-salt and the viscous soln that certain stability is arranged, can be used as the thickening material of water soluble adhesive; Ferrous sulfate (FeSO
47H
2O) be sky blue or green monoclinic system crystal body, can be used for making molysite, ink, red iron oxide and indigo-blue etc. industrial.Owing to adopted above-mentioned Xylo-Mucine and ferrous sulfate as additive, when assurance is carried out effective granulation to Powdered titanium white powder pigment, also kept the stability of main component titanium dioxide, these granular pigments can lack and reduce dust pollution effectively, have ensured the product performance of pigment simultaneously again.
[embodiment 2]
The manufacture method of the described titanium dioxide granular pigment of present embodiment may further comprise the steps and realizes:
A) 40Kg water is heated to 50 ℃ after, add water glass 4Kg, gelatin 2Kg, stir, until dissolving fully, make the additive aqueous solution;
B) by the automatic gauge transfer roller, 100Kg titanium dioxide powder is sent in the granulating disc of diameter 3000mm, liquid spraying can with the additive aqueous solution that the step a) gained is housed sprays on the powder, the usage quantity of the control additive aqueous solution is 30Kg, spray pressure is 0.2Mpa, forms the titanium dioxide small-particle that is coated with additive gradually;
C) particle that step b) is made screens with 50 order vibratory screening apparatuss, and gained particle diameter material is dried;
D) with the particle diameter material of oven dry, carry out fractional separation and get product.
[embodiment 3]
Get the 4Kg water glass as single additive, other Step By Condition is identical with embodiment 2, makes to obtain titanium dioxide granular pigment.
Owing to selected for use water glass and two kinds of components of gelatin or the single component of water glass as additive among embodiment 2 and the embodiment 3, water glass (Na2SiO3) additive particularly, be the transparent yellow blush thick liquid that arrives of colourless or what is said or talked about, soluble in water, can effectively improve product basicity, hardness and intensity, make the product of manufacturing have better flowability.
[embodiment 4]
The manufacture method of the described titanium dioxide granular pigment of present embodiment may further comprise the steps and realizes:
A) 50Kg water is heated to 50 ℃ after, add sodium stearate 10Kg, Sodium hexametaphosphate 99 5Kg, stir, until dissolving fully, make the additive aqueous solution;
B) by the automatic gauge transfer roller, 200Kg titanium dioxide powder is sent in the granulating disc of diameter 1500mm, liquid spraying can with the additive aqueous solution that the step a) gained is housed sprays on the powder, the usage quantity of the control additive aqueous solution is 60Kg, spray pressure is 0.5Mpa, forms the titanium dioxide small-particle that is coated with additive gradually;
C) particle that step b) is made screens with 14 order vibratory screening apparatuss earlier, allow and leaked less than 1.40 millimeters particle, the particle that will leak screens (promptly allow and leaked less than 0.3 millimeter particle) at 50 order vibratory screening apparatuss again, what stay in 50 eye mesh screens is-14 orders～+ 50 purpose particles, be that prepared particle diameter is 1.40 millimeters～0.3 millimeter, these particles are dried, classification gets product again.
Adopt the titanium dioxide granular pigment of the method manufacturing of present embodiment, owing to selected for use sodium stearate, Sodium hexametaphosphate 99 as additive, wherein Sodium hexametaphosphate 99 has stronger hygroscopic property, and is soluble in water, has the ability of good complexation of metal ions; Sodium stearate (C17H35COONa) has good emulsification, osmosis.Above-mentioned additive will improve the dispersiveness of product greatly, and the product of manufacturing can be applied in the oiliness the inside.In addition, pass through sizing screening, particle directly is controlled in 1.40 millimeters～0.3 millimeter scope, these granular pigments not only can reduce the pollution of dust well, and can guarantee the dispersiveness and the amalgamation of product better, as the pigment product of materials such as coating, cement, pitch, selecting for use of this sizeable particle and additive can improve the melting property of parent between the material effectively.
[embodiment 5]
The manufacture method of the described titanium dioxide granular pigment of present embodiment may further comprise the steps and realizes:
A) take by weighing sodium lignosulfonate 0.5Kg, calcium lignin sulphonate 0.2Kg, polyvinyl alcohol 0.1Kg, join in 50 ℃ the 40Kg hot water, reheat hot water to 90 ℃ dissolves whole additives fast, makes the additive aqueous solution;
B) by the automatic gauge transfer roller, 150Kg titanium dioxide powder is sent in the granulating disc of diameter 2000mm, liquid spraying can with the additive aqueous solution that the step a) gained is housed sprays on the powder, the consumption of the additive aqueous solution is 30Kg, the pressure that spray is adopted is 0.1Mpa, forms the titanium dioxide small-particle that is coated with additive gradually;
C) particle that step b) is made gets product after gained particle diameter material is dried processing with the screening of 5 orders (size of mesh is 4.00 millimeters) vibratory screening apparatus.
Owing to selected sodium lignosulfonate, calcium lignin sulphonate, polyvinyl alcohol additive in the present embodiment for use as product, belong to anion surfactant as calcium lignin sulphonate, can slow down the subsidence rate of product, improved the dispersiveness of product, put into and all can be easy in water and other solvent disperse, relatively aberration is also very little for the form and aspect of product and standard, Da＜+0.7; Db＜+0.6; DL-0.4-0.7; Tinctorial yield 98-102%.Obviously, adopt the prepared product of present embodiment prilling process to be fit to industrial service requirements fully.
[embodiment 6]
Select for use sodium lignosulfonate 0.7Kg, calcium lignin sulphonate 0.1Kg as additive, selecting size of mesh for use is the vibratory screening apparatus screening of 0.15 millimeter (the standard mesh number is 100 orders), and adopting embodiment 5 described steps and all the other conditions to operate, prepared fine particulate titanium white powder pigment meets industrial service requirements equally.
What certainly, more than enumerate only is specific embodiments of the invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged, all distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (10)
1. a titanium dioxide granular pigment comprises the main component titanium dioxide, it is characterized in that, the main component titanium dioxide has the additive-package coating outward, main component titanium dioxide and the coating layer formation granular pigment that combines.
2. titanium dioxide granular pigment according to claim 1, it is characterized in that the composition of coating layer additive is the combination of any one or more than one component in Xylo-Mucine, polyvinyl alcohol, water glass, gelatin, sodium lignosulfonate, ferrous sulfate, calcium lignin sulphonate, Sodium hexametaphosphate 99, polyacrylic acid, the sodium stearate.
3. titanium dioxide granular pigment according to claim 2 is characterized in that, the composition of coating layer additive is the combination of any one or two kinds of components in water glass, the gelatin.
4. titanium dioxide granular pigment according to claim 2 is characterized in that, the composition of coating layer additive is the combination of any one or two kinds of components in sodium stearate, the Sodium hexametaphosphate 99.
5. titanium dioxide granular pigment according to claim 2 is characterized in that, the composition of coating layer additive is the combination of any one or more than one component in sodium lignosulfonate, calcium lignin sulphonate, the polyvinyl alcohol.
6. according to claim 1 or 2 or 3 or 4 or 5 described titanium dioxide granular pigments, it is characterized in that particle diameter is 4 millimeters～0.15 millimeter.
7. titanium dioxide granular pigment according to claim 6 is characterized in that, particle diameter is 1.25 millimeters～0.3 millimeter.
8. the manufacture method of a kind of titanium dioxide granular pigment according to claim 1 is characterized in that, said method comprising the steps of:
A) get in Xylo-Mucine, polyvinyl alcohol, water glass, gelatin, sodium lignosulfonate, ferrous sulfate, calcium lignin sulphonate, Sodium hexametaphosphate 99, polyacrylic acid, the sodium stearate combination of any one or more than one component as additive, additive is mixed with the aqueous solution of 0.1～30% (weight ratio), heats 30～100 ℃;
B) by weight, get 100 parts～200 parts of titanium dioxides, send into a machine of making, 15 parts～60 parts additive aqueous solution are evenly sprayed on the powder, form small-particle gradually;
C) particle that step b) is made screens with vibratory screening apparatus, and gained particle diameter material is dried and got product.
9. manufacture method according to claim 8 is characterized in that, the combination of getting in sodium stearate, the Sodium hexametaphosphate 99 any one or two kinds of components is as additive, and tablets press is the granulating disc of diameter 1500mm～3000mm;
Screening mode is in the step c): screen with 14 order vibratory screening apparatuss earlier, allow and leaked less than 1.40 millimeters particle, the particle that will leak screens (promptly allow and leaked less than 0.3 millimeter particle) at 50 order vibratory screening apparatuss again, what stay in 50 eye mesh screens is-14 orders～+ 50 purpose particles, and promptly prepared particle diameter is 1.40 millimeters～0.3 millimeter.
10. manufacture method according to claim 8; it is characterized in that; the combination of getting in sodium lignosulfonate, calcium lignin sulphonate, the polyvinyl alcohol any one or more than one component is sent into diameter 1500mm～3000mm granulating disc as additive with the automatic gauge transfer roller.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881421A (en) * | 2014-03-07 | 2014-06-25 | 江苏双乐化工颜料有限公司 | Nanometer surface modifier and preparation method and using method thereof |
| CN105860592A (en) * | 2016-05-05 | 2016-08-17 | 中钛集团洛阳市裕星化工有限公司 | Modified titanium dioxide powder with coated polyacrylic acid |
| CN105949820A (en) * | 2016-02-26 | 2016-09-21 | 友达光电股份有限公司 | Color filter layer material, pigment for color filter layer and preparation method thereof |
| CN110003687A (en) * | 2019-04-26 | 2019-07-12 | 龙蟒佰利联集团股份有限公司 | Preparation method of special titanium dioxide for high-gloss outdoor coating |
| CN110028812A (en) * | 2019-04-30 | 2019-07-19 | 河南佰利联新材料有限公司 | A kind of preparation method of special raising titanium dioxide weatherability |
| CN111321476A (en) * | 2020-05-11 | 2020-06-23 | 华东理工大学 | Method for reducing spray drying dust of chinlon chemical fiber titanium dioxide |
| CN113403853A (en) * | 2021-07-29 | 2021-09-17 | 东台市东驰服装有限公司 | Waterproof and moisture permeable radiation-proof fabric and preparation method thereof |
| CN116082861A (en) * | 2022-10-25 | 2023-05-09 | 安徽新涛光电科技有限公司 | Nanometer titanium dioxide powder dispersion liquid and preparation method thereof |
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2009
- 2009-10-20 CN CN200910153574A patent/CN101693789A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881421A (en) * | 2014-03-07 | 2014-06-25 | 江苏双乐化工颜料有限公司 | Nanometer surface modifier and preparation method and using method thereof |
| CN103881421B (en) * | 2014-03-07 | 2015-07-22 | 江苏双乐化工颜料有限公司 | Nanometer surface modifier and preparation method and using method thereof |
| CN105949820A (en) * | 2016-02-26 | 2016-09-21 | 友达光电股份有限公司 | Color filter layer material, pigment for color filter layer and preparation method thereof |
| CN105860592A (en) * | 2016-05-05 | 2016-08-17 | 中钛集团洛阳市裕星化工有限公司 | Modified titanium dioxide powder with coated polyacrylic acid |
| CN105860592B (en) * | 2016-05-05 | 2018-02-16 | 焦作市裕盛钛业有限公司 | A kind of modified titanium for being coated with polyacrylic acid |
| CN110003687A (en) * | 2019-04-26 | 2019-07-12 | 龙蟒佰利联集团股份有限公司 | Preparation method of special titanium dioxide for high-gloss outdoor coating |
| CN110003687B (en) * | 2019-04-26 | 2021-06-25 | 龙蟒佰利联集团股份有限公司 | Preparation method of special titanium dioxide for high-gloss outdoor coating |
| CN110028812A (en) * | 2019-04-30 | 2019-07-19 | 河南佰利联新材料有限公司 | A kind of preparation method of special raising titanium dioxide weatherability |
| CN110028812B (en) * | 2019-04-30 | 2020-11-24 | 河南佰利联新材料有限公司 | Special preparation method for improving weather resistance of titanium dioxide |
| CN111321476A (en) * | 2020-05-11 | 2020-06-23 | 华东理工大学 | Method for reducing spray drying dust of chinlon chemical fiber titanium dioxide |
| CN113403853A (en) * | 2021-07-29 | 2021-09-17 | 东台市东驰服装有限公司 | Waterproof and moisture permeable radiation-proof fabric and preparation method thereof |
| CN116082861A (en) * | 2022-10-25 | 2023-05-09 | 安徽新涛光电科技有限公司 | Nanometer titanium dioxide powder dispersion liquid and preparation method thereof |
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Application publication date: 20100414 |