CN102442696A - Titanium dioxide used for hard alloy - Google Patents
Titanium dioxide used for hard alloy Download PDFInfo
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- CN102442696A CN102442696A CN2010105067067A CN201010506706A CN102442696A CN 102442696 A CN102442696 A CN 102442696A CN 2010105067067 A CN2010105067067 A CN 2010105067067A CN 201010506706 A CN201010506706 A CN 201010506706A CN 102442696 A CN102442696 A CN 102442696A
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- titanium dioxide
- hard alloy
- dioxide used
- wimet
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Abstract
The invention discloses titanium dioxide used for hard alloy. The titanium dioxide used for hard alloy is characterized by containing 99% to 99.5% of TiO2, 0.004% to 0.005% of S, 0.008% to 0.01% of P, 0.005% of Fe, 0.03% of water, 8.2 m<2>/g to 8 m<2>/g of BET, 0.008% to 0.01% of Co, 0.005% of Cr, 0.0028% to 0.003% of Si, 0.0028% to 0.003% of Al, 0.008% to 0.01% of Mg, 0.004% to 0.005% of Mo, 0.004% to 0.005% of Ca, 0.004% to 0.005% of K and Na, 0.008% to 0.01% of W. The titanium dioxide used for hard alloy has the advantages that the purity is high, the contents of impurity elements (namely Fe, Al, Mg, Ca, Co, Si, S, P and the like) are controlled in a certain range, hard alloy prepared with the titanium dioxide is light and has high rigidity and superstrong high-temperature resistance and corrosion resistance; and the titanium dioxide can be widely applied to industries such as aviation and chemical engineering.
Description
Technical field
The present invention relates to a kind of white titanium pigment, particularly a kind of wimet is used white titanium pigment.
Background technology
In traditional hard, its temperature tolerance, mechanical property and corrosion resistance are not ideal enough, have limited its use field.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of wimet to use white titanium pigment to existing its temperature tolerance of wimet, mechanical property and the dissatisfactory problem of corrosion resistance.
Technical problem to be solved by this invention can realize through following technical scheme:
A kind of wimet is used white titanium pigment, it is characterized in that TiO
2Content 99～99.5%, S content 0.004～0.005%, P content 0.008～0.01%, Fe content 0.005%, moisture 0.03%, BET8.2～8m
2/ g, Co content 0.008～0.001%, Cr content 0.005%; Si content 0.0028～0.003%, Al content 0.0028～0.003%, Mg content 0.008～0.01%; Mo content 0.004～0.005%; Ca content 0.004～0.005%, K+Na content 0.004～0.005%, W content 0.008～0.01%.
Wimet of the present invention is high with white titanium pigment purity; Impurity element (Fe, Al, Mg, Ca, Co, Si, S, P etc.) is controlled within the specific limits, the wimet light weight of preparation, and hardness is high; High temperature resistant, corrosion resistance nature is superpower, be used extensively in industries such as aviation chemical industry.
Embodiment
A kind of wimet is used white titanium pigment, its TiO
2Content 99.5%, S content 0.004%, P content 0.008%, Fe content 0.005%, moisture 0.03%, BET 8.2m
2/ g, Co content 0.008%, Cr content 0.005%, Si content 0.0028%, Al content 0.0028%, Mg content 0.008%, Mo content 0.004%, Ca content 0.004%, K+Na content 0.004%, W content 0.008%.
Above-mentioned wimet with the preparation method of white titanium pigment is: titanium ore adds sulfuric acid and water and carries out acidolysis reaction after raymond grinding powder is broken to 325 orders, and reaction finishes; Carry out sedimentation, purification, and then carry out vacuum crystallization, remove most of ferrous sulfate; Filtrating concentrates after press filtration is qualified, makes TiO
2Concentration adds crystal seed and is hydrolyzed at 190-210g/l, and the press filtration of the laggard andante frame of hydrolysis is promptly washed, and through the titanous bleaching, uses rinsed with deionized water more again, and metatitanic acid contains FeO
3Behind＜the 30ppm, blanking adds bicarbonate of ammonia again and OP-10 handles, and in rotary kiln, calcines then, is broken to 325 orders through raymond grinding powder again, carries out finished product packing at last.
Claims (1)
1. a wimet is used white titanium pigment, it is characterized in that TiO
2Content 99～99.5%, S content 0.004～0.005%, P content 0.008～0.01%, Fe content 0.005%, moisture 0.03%, BET8.2～8m
2/ g, Co content 0.008～0.001%, Cr content 0.005%; Si content 0.0028～0.003%, Al content 0.0028～0.003%, Mg content 0.008～0.01%; Mo content 0.004～0.005%; Ca content 0.004～0.005%, K+Na content 0.004～0.005%, W content 0.008～0.01%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105067067A CN102442696A (en) | 2010-10-14 | 2010-10-14 | Titanium dioxide used for hard alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105067067A CN102442696A (en) | 2010-10-14 | 2010-10-14 | Titanium dioxide used for hard alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102442696A true CN102442696A (en) | 2012-05-09 |
Family
ID=46005694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105067067A Pending CN102442696A (en) | 2010-10-14 | 2010-10-14 | Titanium dioxide used for hard alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102442696A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162853A (en) * | 2021-12-10 | 2022-03-11 | 长沙华希新材料有限公司 | Hydrolysis process for preparing metallurgical titanium dioxide for hard alloy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1900064A1 (en) * | 1969-01-02 | 1970-08-27 | Bayer Ag | Preparation of titanium dioxide fibres |
| CN1078214A (en) * | 1992-05-07 | 1993-11-10 | 西北有色金属研究院 | The manufacture method of titanium dioxide |
| CN1090551A (en) * | 1993-02-06 | 1994-08-10 | 宁甲保 | Purification method for titanium dioxide |
| EP0870731A1 (en) * | 1995-12-27 | 1998-10-14 | Tohkem Products Corporation | Titanium dioxide reduced in volatile water content, process for producing the same, and masterbatch containing the same |
| US6517804B1 (en) * | 2000-02-29 | 2003-02-11 | Korea Atomic Energy Institute | TiO2 ultrafine powder, and process for preparing thereof |
-
2010
- 2010-10-14 CN CN2010105067067A patent/CN102442696A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1900064A1 (en) * | 1969-01-02 | 1970-08-27 | Bayer Ag | Preparation of titanium dioxide fibres |
| CN1078214A (en) * | 1992-05-07 | 1993-11-10 | 西北有色金属研究院 | The manufacture method of titanium dioxide |
| CN1090551A (en) * | 1993-02-06 | 1994-08-10 | 宁甲保 | Purification method for titanium dioxide |
| EP0870731A1 (en) * | 1995-12-27 | 1998-10-14 | Tohkem Products Corporation | Titanium dioxide reduced in volatile water content, process for producing the same, and masterbatch containing the same |
| US6517804B1 (en) * | 2000-02-29 | 2003-02-11 | Korea Atomic Energy Institute | TiO2 ultrafine powder, and process for preparing thereof |
Non-Patent Citations (1)
| Title |
|---|
| 全学军等: "制备高纯微细钛白粉过程中氯化铵的作用和影响", 《无机盐工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162853A (en) * | 2021-12-10 | 2022-03-11 | 长沙华希新材料有限公司 | Hydrolysis process for preparing metallurgical titanium dioxide for hard alloy |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20120509 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |