CN108929574A - A kind of preparation method of the dedicated high-grade titanium dioxide of papermaking - Google Patents
A kind of preparation method of the dedicated high-grade titanium dioxide of papermaking Download PDFInfo
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- CN108929574A CN108929574A CN201811047022.8A CN201811047022A CN108929574A CN 108929574 A CN108929574 A CN 108929574A CN 201811047022 A CN201811047022 A CN 201811047022A CN 108929574 A CN108929574 A CN 108929574A
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- 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
- 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
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- 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
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- 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
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/041—Grinding
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- 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
- C09C3/06—Treatment with inorganic compounds
- C09C3/066—Treatment or coating resulting in a free metal containing surface-region
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- 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
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Abstract
The preparation method of the dedicated high-grade titanium dioxide of a kind of papermaking, comprising the following steps: the ordinary titanium powder calcined is beaten, defibrination is then carried out, obtains slurry；Extremely by pulp dilution, it heats up, cerous sulfate and trimethylolethane is added, stirring obtains cerium oxide coating Titanium dioxide slurry；The pH of slurry is adjusted with sulfuric acid, zirconium sulfate is added, is 8-9 with sodium hydroxide solution tune pH value after stirring, obtains zirconium oxide coating Titanium dioxide slurry；After the slurry of acquisition is continued stirring, sodium aluminate solution is added with sulfuric acid tune pH value after stirring and obtains special titanium pigment slurry；The slurry of acquisition is filtered, is washed, after dry, air-flow crushing, obtains papermaking special titanium pigment.Invent provide method simple production process, rationally, it is raw materials used obtain be easy, prepared papermaking special titanium pigment performance indexes is preferable.
Description
Technical field
The present invention relates to a kind of preparation method of titanium dioxide, the preparation side of the dedicated high-grade titanium dioxide of specifically a kind of papermaking
Method.
Background technique
Paper industry can use a large amount of titanium dioxide, and titanium dioxide can improve the optical property of paper, it is opaque to improve its
Degree, brightness and whiteness, improve the physical properties such as smoothness and the evenness of paper, increase the flexibility of paper, reduce moisture pick-up properties
With enhancing dimensional stability etc..In order to develop the high-grade papermaking titanium dioxide that can be substituted, need to carry out coating to titanium dioxide to change
Property, it is crucial using index with weatherability, whiteness, dispersibility, covering power for improving titanium dioxide etc..
Currently, common Titanium dioxide modification method has inorganic coating and organic coated modification.Modified inorganic coating includes aluminium
It is membrane wrapping modified, silicon is membrane wrapping modified, iron is membrane wrapping modified and the composite coated modification of sial；Organic coated modification is mainly alcohol compound
Coating modification with carboxylic acid compound to nano-titanium dioxide.Chinese patent discloses a kind of sial coating modification method, should
The aluminium film that method obtains is more loose, and compactness is poor, poor so as to cause the light resistance of titanium dioxide.In addition, Chinese patent discloses
A kind of dedicated titanium dioxide process of papermaking, to treated, white powder carries out SiO2 inorganic coating to this method, then carries out organic
The dedicated titanium dioxide of papermaking is made in surface treatment；The deficiency of this method is that technique is relatively complicated, equipment and production cost phase
To higher.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of the dedicated high-grade titanium dioxide of papermaking, prepared papermaking is special
With titanium dioxide light resistance is excellent, whiteness is high, covering power is good.
To achieve the above object, the dedicated high-grade titanium dioxide of papermaking provided by the invention preparation method the following steps are included:
(1) ordinary titanium powder calcined is beaten into 600-800g/L, then carries out carrying out defibrination with sand mill, by titanium dioxide
Particle wears into 0.2-0.3 μm of particle, obtains slurry；
(2) pulp dilution to 300-350g/L is warming up to 40-50 DEG C with water, the sulfuric acid that mass fraction is 0.2-1.0% is added
The trimethylolethane that cerium (in terms of cerium oxide) and mass fraction are 0.1-1.0%, stirs 30-60min, obtains cerium oxide coating
Titanium dioxide slurry；
(3) pH for the slurry that step (2) obtains is adjusted to 2-3 by the sulfuric acid for being 2% with concentration, and addition mass fraction is 0.2-
1.0% zirconium sulfate (in terms of zirconium oxide), after stirring 1-2 hours, the sodium hydroxide solution tune pH value for being 2% with concentration is 8-9, is obtained
To zirconium oxide coating Titanium dioxide slurry；
(4) slurry that step (3) obtain is continued after stirring 0.5-1h, 180-300g/L, mass fraction 4.5-5.5% is added
Sodium aluminate solution, stir 0.5h after be 2% with concentration sulfuric acid tune pH value be 6.0-7.0, obtain special titanium pigment slurry；
(5) slurry for obtaining step (4) is filtered, is washed, after dry, air-flow crushing, obtains papermaking special titanium pigment.
Further, in the above method, the titanium dioxide calcined is rutile type titanium white or anatase titanium dioxide
Powder.
Method simple production process provided by the invention, rationally, raw materials used obtain is easy, and prepared papermaking is dedicated
Titanium dioxide performance indexes is preferable.
Specific embodiment
Below by way of several specific embodiments, this is described further invention.
Embodiment 1:
(1) rutile type titanium white calcined is beaten into 600g/L, then carries out carrying out defibrination with sand mill, by titanium dioxide
Particle wears into 0.2-0.3 μm of particle, obtains slurry；
(2) pulp dilution to 300g/L is warming up to 40 DEG C with water, the cerous sulfate that mass fraction is 0.2% is added (with cerium oxide
Meter) and mass fraction be 0.2% trimethylolethane, stirring 30min, obtain cerium oxide coating Titanium dioxide slurry；
(3) pH value for the slurry that step (2) obtains is adjusted to 2 by the sulfuric acid for being 2% with concentration, and it is 0.2% that mass fraction, which is added,
Zirconium sulfate (in terms of zirconium oxide), after stirring 2 hours, the sodium hydroxide solution tune pH value for being 2% with concentration is 8, obtains zirconium oxide packet
Film Titanium dioxide slurry；
(4) slurry that step (3) obtain is continued after stirring 0.5h, 180g/L is added, the sodium metaaluminate that mass fraction is 4.5%
Solution, stir 0.5h after be 2% with concentration sulfuric acid tune pH value be 6.0, obtain special titanium pigment slurry；
(5) routinely treatment process, the slurry that step (4) are obtained are filtered, are washed, after dry, air-flow crushing, and it is special to obtain papermaking
Use titanium dioxide.
Embodiment 2:
(1) anatase thpe white powder calcined is beaten into 700g/L, then carries out carrying out defibrination with sand mill, by titanium dioxide
Grain wears into 0.2-0.3 μm of particle, obtains slurry；
(2) pulp dilution to 300g/L is warming up to 45 DEG C with water, the cerous sulfate that mass fraction is 0.4% is added (with cerium oxide
Meter) and mass fraction be 0.4% trimethylolethane, stirring 40min, obtain cerium oxide coating Titanium dioxide slurry；
(3) pH value for the slurry that step (2) obtains is adjusted to 2 by the sulfuric acid for being 2% with concentration, and it is 0.4% that mass fraction, which is added,
Zirconium sulfate (in terms of zirconium oxide), after stirring 2 hours, the sodium hydroxide solution tune pH value for being 2% with concentration is 9, obtains zirconium oxide packet
Film Titanium dioxide slurry；
(4) slurry that step (3) obtain is continued after stirring 0.6h, 200g/L is added, the sodium metaaluminate that mass fraction is 4.5%
Solution, stir 0.5h after be 2% with concentration sulfuric acid tune pH value be 6.0, obtain special titanium pigment slurry；
(5) routinely treatment process, the slurry that step (4) are obtained are filtered, are washed, after dry, air-flow crushing, and it is special to obtain papermaking
Use titanium dioxide.
Embodiment 3:
(1) anatase thpe white powder calcined is beaten into 800g/L, then carries out carrying out defibrination with sand mill, by titanium dioxide
Grain wears into 0.2-0.3 μm of particle, obtains slurry；
(2) pulp dilution to 350g/L is warming up to 45 DEG C with water, the cerous sulfate that mass fraction is 0.6% is added (with cerium oxide
Meter) and mass fraction be 0.6% trimethylolethane, stirring 45min, obtain cerium oxide coating Titanium dioxide slurry；
(3) pH value for the slurry that step (2) obtains is adjusted to 3 by the sulfuric acid for being 2% with concentration, and it is 0.6% that mass fraction, which is added,
Zirconium sulfate (in terms of zirconium oxide), after stirring 2 hours, the sodium hydroxide solution tune pH value for being 2% with concentration is 9, obtains zirconium oxide packet
Film Titanium dioxide slurry；
(4) slurry that step (3) obtain is continued after stirring 0.8h, 220g/L is added, the sodium metaaluminate that mass fraction is 5.0%
Solution, stir 0.5h after be 2% with concentration sulfuric acid tune pH value be 6.0, obtain special titanium pigment slurry；
(5) routinely treatment process, the slurry that step (4) are obtained are filtered, are washed, after dry, air-flow crushing, and it is special to obtain papermaking
Use titanium dioxide.
Embodiment 4:
(1) rutile type titanium white calcined is beaten into 800g/L, then carries out carrying out defibrination with sand mill, by titanium dioxide
Particle wears into 0.2-0.3 μm of particle, obtains slurry；
(2) pulp dilution to 300g/L is warming up to 40 DEG C with water, the cerous sulfate that mass fraction is 0.8% is added (with cerium oxide
Meter) and mass fraction be 0.8% trimethylolethane, stirring 50min, obtain cerium oxide coating Titanium dioxide slurry；
(3) pH value for the slurry that step (2) obtains is adjusted to 3 by the sulfuric acid for being 2% with concentration, and it is 0.8% that mass fraction, which is added,
Zirconium sulfate (in terms of zirconium oxide), after stirring 2 hours, the sodium hydroxide solution tune pH value for being 2% with concentration is 9, obtains zirconium oxide packet
Film Titanium dioxide slurry；
(4) slurry that step (3) obtain is continued after stirring 1.0h, 260g/L is added, the sodium metaaluminate that mass fraction is 5.0%
Solution, stir 0.5h after be 2% with concentration sulfuric acid tune pH value be 6.0, obtain special titanium pigment slurry；
(5) routinely treatment process, the slurry that step (4) are obtained are filtered, are washed, after dry, air-flow crushing, and it is special to obtain papermaking
Use titanium dioxide.
Embodiment 5:
(1) rutile type titanium white calcined is beaten into 700g/L, then carries out carrying out defibrination with sand mill, by titanium dioxide
Particle wears into 0.2-0.3 μm of particle, obtains slurry；
(2) pulp dilution to 350g/L is warming up to 50 DEG C with water, the cerous sulfate that mass fraction is 1.0% is added (with cerium oxide
Meter) and mass fraction be 1.0% trimethylolethane, stirring 60min, obtain cerium oxide coating Titanium dioxide slurry；
(3) pH value for the slurry that step (2) obtains is adjusted to 3 by the sulfuric acid for being 2% with concentration, and it is 1.0% that mass fraction, which is added,
Zirconium sulfate (in terms of zirconium oxide), after stirring 1.5 hours, the sodium hydroxide solution tune pH value for being 2% with concentration is 8, obtains zirconium oxide
Coating Titanium dioxide slurry；
(4) slurry that step (3) obtain is continued after stirring 1.0h, 280g/L is added, the sodium metaaluminate that mass fraction is 5.5%
Solution, stir 0.5h after be 2% with concentration sulfuric acid tune pH value be 6, obtain special titanium pigment slurry；
(5) routinely treatment process, the slurry that step (4) are obtained are filtered, are washed, after dry, air-flow crushing, and it is special to obtain papermaking
Use titanium dioxide.
Top grade papermaking titanium dioxide physical property compared with ordinary titanium powder as made from the above various embodiments is compared as follows table.
As seen from the above table, have the characteristics that light resistance is excellent, whiteness is high, covering power is good obtained by the present invention.
Claims (2)
1. a kind of preparation method of the dedicated high-grade titanium dioxide of papermaking, comprising the following steps:
(1) ordinary titanium powder calcined is beaten into 600-800g/L, then carries out carrying out defibrination with sand mill, by titanium dioxide
Particle wears into 0.2-0.3 μm of particle, obtains slurry；
(2) pulp dilution to 300-350g/L is warming up to 40-50 DEG C with water, the sulfuric acid that mass fraction is 0.2-1.0% is added
The trimethylolethane that cerium (in terms of cerium oxide) and mass fraction are 0.1-1.0%, stirs 30-60min, obtains cerium oxide coating
Titanium dioxide slurry；
(3) pH for the slurry that step (2) obtains is adjusted to 2-3 by the sulfuric acid for being 2% with concentration, and addition mass fraction is 0.2-
1.0% zirconium sulfate (in terms of zirconium oxide), after stirring 1-2 hours, the sodium hydroxide solution tune pH value for being 2% with concentration is 8-9, is obtained
To zirconium oxide coating Titanium dioxide slurry；
(4) slurry that step (3) obtain is continued after stirring 0.5-1h, 180-300g/L, mass fraction 4.5-5.5% is added
Sodium aluminate solution, stir 0.5h after be 2% with concentration sulfuric acid tune pH value be 6.0-7.0, obtain special titanium pigment slurry；
(5) slurry for obtaining step (4) is filtered, is washed, after dry, air-flow crushing, obtains papermaking special titanium pigment.
2. a kind of high-grade papermaking special titanium pigment preparation method as described in claim 1, it is characterised in that: the calcining is well
Titanium dioxide be rutile type titanium white or anatase thpe white powder.
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| CN201811047022.8A CN108929574A (en) | 2018-09-08 | 2018-09-08 | A kind of preparation method of the dedicated high-grade titanium dioxide of papermaking |
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| CN201811047022.8A CN108929574A (en) | 2018-09-08 | 2018-09-08 | A kind of preparation method of the dedicated high-grade titanium dioxide of papermaking |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1810652A (en) * | 2006-02-22 | 2006-08-02 | 攀钢集团攀枝花钢铁研究院 | Rutile-type titanium white and its prepn process |
| CN101143978A (en) * | 2007-11-13 | 2008-03-19 | 攀枝花学院 | Composite envelope titanium white powder and preparation method thereof |
| CN103112891A (en) * | 2013-02-25 | 2013-05-22 | 南京钛白化工有限责任公司 | Preparation method of high-performance rutile titanium white |
| CN106752110A (en) * | 2016-11-18 | 2017-05-31 | 漯河兴茂钛业股份有限公司 | A kind of preparation method of TiO 2 pigment used for decorative paper |
| CN106810912A (en) * | 2017-01-12 | 2017-06-09 | 云南冶金新立钛业有限公司 | The method for preparing titanium dioxide |
-
2018
- 2018-09-08 CN CN201811047022.8A patent/CN108929574A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1810652A (en) * | 2006-02-22 | 2006-08-02 | 攀钢集团攀枝花钢铁研究院 | Rutile-type titanium white and its prepn process |
| CN101143978A (en) * | 2007-11-13 | 2008-03-19 | 攀枝花学院 | Composite envelope titanium white powder and preparation method thereof |
| CN103112891A (en) * | 2013-02-25 | 2013-05-22 | 南京钛白化工有限责任公司 | Preparation method of high-performance rutile titanium white |
| CN106752110A (en) * | 2016-11-18 | 2017-05-31 | 漯河兴茂钛业股份有限公司 | A kind of preparation method of TiO 2 pigment used for decorative paper |
| CN106810912A (en) * | 2017-01-12 | 2017-06-09 | 云南冶金新立钛业有限公司 | The method for preparing titanium dioxide |
Non-Patent Citations (1)
| Title |
|---|
| 杜茂平，等: "一种制备高性能金红石型钛白粉新工艺的研究", 《聚合物与助剂》 * |
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