CN106853991A - The method for producing anatase thpe white powder - Google Patents
The method for producing anatase thpe white powder Download PDFInfo
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- CN106853991A CN106853991A CN201510903102.9A CN201510903102A CN106853991A CN 106853991 A CN106853991 A CN 106853991A CN 201510903102 A CN201510903102 A CN 201510903102A CN 106853991 A CN106853991 A CN 106853991A
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- white powder
- thpe white
- anatase thpe
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/08—Drying; Calcining ; After treatment of titanium oxide
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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
- C01P2006/65—Chroma (C*)
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- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
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Abstract
Method the present invention relates to produce anatase thpe white powder, belongs to titanium dioxide technical field.The technical problems to be solved by the invention provide a kind of method that can produce anatase thpe white powder, and the covering power of the anatase thpe white powder of the method production is higher.The method of present invention production anatase thpe white powder comprises the following steps：100 parts of the metatitanic acid in terms of content of titanium dioxide after rinsing is taken by weight ratio, anatase thpe white powder salt treatment agent is added, and in 830-860 DEG C of calcining, anatase thpe white powder is obtained；The anatase thpe white powder salt treatment agent for wherein being added is made up of following component：Potassium sulfate 0.4-2 parts, phosphoric acid 0.2-0.35 parts, aluminium chloride 0.8-1.0 parts.
Description
Technical field
Method the present invention relates to produce anatase thpe white powder, belongs to titanium dioxide technical field.
Background technology
Titanium dioxide is a kind of important industrial chemicals, is widely used in coating, plastics, ink, papermaking, cosmetics, pigment etc.
Technical field.Titanium dioxide is broadly divided into rutile-type and the major class of anatase titanium dioxide two.In production process of titanium pigment, in order to improve titanium white
Then the performance of powder is obtained titanium dioxide, it is necessary to carry out salt treatment to the metatitanic acid after rinsing through calcining.
Traditional titanium dioxide salt treatment agent mainly has phosphoric acid and potassium carbonate, adds phosphoric acid to improve titanium dioxide whiteness, improves its resistance to
Hou Xing, makes the titanium dioxide after calcining soft frangible；And add the potassium carbonate can to improve the whiteness of titanium dioxide, granule can also be intercepted
Son is reunited, it is to avoid fine particle is sintered in calcination process.
But, traditional titanium dioxide salt treatment agent to other performances of titanium dioxide such as：The indexs such as reducing power, dispersiveness, covering power
Improvement amplitude is smaller.
The content of the invention
The technical problems to be solved by the invention provide a kind of method that can produce anatase thpe white powder, the sharp titanium of the method production
The covering power of type titanium dioxide is higher.
The method of present invention production anatase thpe white powder comprises the following steps：Take by weight ratio rinsing after in terms of content of titanium dioxide
100 parts of metatitanic acid, add anatase thpe white powder salt treatment agent, in 830-860 DEG C calcining, be obtained anatase thpe white powder；Its
Middle added anatase thpe white powder salt treatment agent is made up of following component：Potassium sulfate 0.4-2 parts, phosphoric acid 0.2-0.35 parts, chlorine
Change 0.8-1.0 parts of aluminium.
Wherein, above-mentioned anatase thpe white powder salt treatment agent is preferably made up of the component of following weight proportion：Potassium sulfate 0.8-1.5
Part, phosphoric acid 0.25-0.3 parts, aluminium chloride 0.85-0.95 parts.
Further, above-mentioned anatase thpe white powder salt treatment agent is most preferably made up of the component of following weight proportion：Potassium sulfate 1.2
Part, 0.28 part of phosphoric acid, 0.9 part of aluminium chloride.
During the inventive method production anatase thpe white powder, salt treatment agent used is disposably added when using, compared to the elder generation of conventional method
Phosphoric acid is added after adding potassium carbonate, its operation is simpler more convenient.
The inventive method compares the anatase thpe white powder of produced in conventional processes, and its covering power is obviously improved, and whiteness, weatherability etc. are more
It is good.The present invention is, provides the art a kind of production method of new anatase thpe white powder, to have broad application prospects.
Specific embodiment
The method of present invention production anatase thpe white powder comprises the following steps：Take by weight ratio rinsing after in terms of content of titanium dioxide
100 parts of metatitanic acid, add anatase thpe white powder salt treatment agent, in 830-860 DEG C calcining, be obtained anatase thpe white powder；Its
Middle added anatase thpe white powder salt treatment agent is made up of following component：Potassium sulfate 0.4-2 parts, phosphoric acid 0.2-0.35 parts, chlorine
Change 0.8-1.0 parts of aluminium.
Wherein, above-mentioned anatase thpe white powder salt treatment agent is preferably made up of the component of following weight proportion：Potassium sulfate 0.8-1.5
Part, phosphoric acid 0.25-0.3 parts, aluminium chloride 0.85-0.95 parts.
Further, above-mentioned anatase thpe white powder salt treatment agent is most preferably made up of the component of following weight proportion：Potassium sulfate 1.2
Part, 0.28 part of phosphoric acid, 0.9 part of aluminium chloride.
During the inventive method production anatase thpe white powder, salt treatment agent used is disposably added when using, compared to the elder generation of conventional method
Phosphoric acid is added after adding potassium carbonate, its operation is simpler more convenient.
Specific embodiment of the invention is further described with reference to embodiment, does not therefore limit the present invention to institute
Among the scope of embodiments stated.
Embodiment 1 produces anatase thpe white powder using the inventive method
The metatitanic acid 100kg in terms of content of titanium dioxide after rinsing is taken, anatase thpe white powder salt treatment agent is added, calcined in 850 DEG C,
Anatase thpe white powder is obtained；The anatase thpe white powder salt treatment agent for wherein being added is made up of following component：Potassium sulfate 0.8kg,
Phosphoric acid 0.35kg, aluminium chloride 0.85kg.
Embodiment 2 produces anatase thpe white powder using the inventive method
The metatitanic acid 100kg in terms of content of titanium dioxide after rinsing is taken, anatase thpe white powder salt treatment agent is added, calcined in 850 DEG C,
Anatase thpe white powder is obtained；The anatase thpe white powder salt treatment agent for wherein being added is made up of following component：Potassium sulfate 1.2kg,
Phosphoric acid 0.28kg, aluminium chloride 0.9kg.
Embodiment 3 produces anatase thpe white powder using the inventive method
The metatitanic acid 100kg in terms of content of titanium dioxide after rinsing is taken, anatase thpe white powder salt treatment agent is added, calcined in 850 DEG C,
Anatase thpe white powder is obtained；The anatase thpe white powder salt treatment agent for wherein being added is made up of following component：Potassium sulfate 1.5kg,
Phosphoric acid 0.2kg, aluminium chloride 0.95kg.
Test example 1
The metatitanic acid 100kg in terms of content of titanium dioxide after rinsing is taken, anatase thpe white powder salt treatment agent is added, calcined in 850 DEG C,
Anatase thpe white powder is obtained；The anatase thpe white powder salt treatment agent for wherein being added is made up of following component：Potassium sulfate 2.1kg,
Phosphoric acid 0.15kg, aluminium chloride 1.05kg.
Test example 2
The metatitanic acid 100kg in terms of content of titanium dioxide after rinsing is taken, anatase thpe white powder salt treatment agent is added, calcined in 850 DEG C,
Anatase thpe white powder is obtained；The anatase thpe white powder salt treatment agent for wherein being added is made up of following component：Potassium sulfate 0.75kg,
Phosphoric acid 0.4kg, aluminium chloride 0.75kg.
Test example 3
The metatitanic acid 100kg in terms of content of titanium dioxide after rinsing is taken, anatase thpe white powder salt treatment agent is added, calcined in 850 DEG C,
Anatase thpe white powder is obtained；The anatase thpe white powder salt treatment agent for wherein being added is made up of following component：Potassium sulfate 2.1kg,
Phosphoric acid 0.45kg, mixes.
Test example 4
The metatitanic acid 100kg in terms of content of titanium dioxide after rinsing is taken, without salt treatment agent, directly in 960 DEG C of calcinings, is obtained
Anatase thpe white powder.
The performance of gained anatase thpe white powder is determined, as a result as shown in table 1.
Table 1
| Numbering | Whiteness | |
| Embodiment 1 | 104 | 44 |
| Embodiment 2 | 107 | 46 |
| Embodiment 3 | 105 | 44 |
| Test example 1 | 101.4 | 39 |
| Test example 2 | 101.4 | 40 |
| Test example 3 | 101.5 | 35 |
| Test example 4 | 100 | 25 |
As it can be seen from table 1 the covering power of the anatase thpe white powder produced using embodiment of the present invention 1-3 is substantially more preferable, especially
Be embodiment 2 production anatase thpe white powder performance it is best.
Claims (3)
1. the method for producing anatase thpe white powder, it is characterised in that comprise the following steps：Take by weight ratio after rinsing with titanium dioxide
100 parts of the metatitanic acid of Ti content meter, adds anatase thpe white powder salt treatment agent, in 830-860 DEG C of calcining, anatase titanium dioxide titanium is obtained
White powder；The anatase thpe white powder salt treatment agent for wherein being added is made up of following component：Potassium sulfate 0.4-2 parts, phosphoric acid 0.2-0.35
Part, aluminium chloride 0.8-1.0 parts.
2. it is according to claim 1 production anatase thpe white powder method, it is characterised in that at the anatase titanium dioxide powder salt
Reason agent is made up of the component of following weight proportion：Potassium sulfate 0.8-1.5 parts, phosphoric acid 0.25-0.3 parts, aluminium chloride 0.85-0.95
Part.
3. it is according to claim 1 production anatase thpe white powder method, it is characterised in that at the anatase titanium dioxide powder salt
Reason agent is made up of the component of following weight proportion：1.2 parts of potassium sulfate, 0.28 part of phosphoric acid, 0.9 part of aluminium chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903102.9A CN106853991A (en) | 2015-12-09 | 2015-12-09 | The method for producing anatase thpe white powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903102.9A CN106853991A (en) | 2015-12-09 | 2015-12-09 | The method for producing anatase thpe white powder |
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| Publication Number | Publication Date |
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| CN106853991A true CN106853991A (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510903102.9A Pending CN106853991A (en) | 2015-12-09 | 2015-12-09 | The method for producing anatase thpe white powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107540016A (en) * | 2017-10-31 | 2018-01-05 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of method for preparing anatase thpe white powder |
| CN108017938A (en) * | 2017-11-30 | 2018-05-11 | 广西雅照钛白有限公司 | A kind of inorganic agent for improving titanium dioxide covering power |
| CN109160537A (en) * | 2018-10-23 | 2019-01-08 | 龙蟒佰利联集团股份有限公司 | A kind of production technology improving anatase thpe white powder performance |
-
2015
- 2015-12-09 CN CN201510903102.9A patent/CN106853991A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107540016A (en) * | 2017-10-31 | 2018-01-05 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of method for preparing anatase thpe white powder |
| CN108017938A (en) * | 2017-11-30 | 2018-05-11 | 广西雅照钛白有限公司 | A kind of inorganic agent for improving titanium dioxide covering power |
| CN109160537A (en) * | 2018-10-23 | 2019-01-08 | 龙蟒佰利联集团股份有限公司 | A kind of production technology improving anatase thpe white powder performance |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170616 |
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| WD01 | Invention patent application deemed withdrawn after publication |