CN102559064B - Cerium-zirconium praseodymium sosoloid and preparation method thereof - Google Patents
Cerium-zirconium praseodymium sosoloid and preparation method thereof Download PDFInfo
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- HDDHHVDLTLMRIK-UHFFFAOYSA-N [Ce].[Pr].[Zr] Chemical compound [Ce].[Pr].[Zr] HDDHHVDLTLMRIK-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000005498 polishing Methods 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 26
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 14
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 14
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000725 suspension Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 21
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 18
- 150000002910 rare earth metals Chemical class 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 16
- 150000000703 Cerium Chemical class 0.000 claims description 14
- 150000001213 Praseodymium Chemical class 0.000 claims description 14
- 239000012266 salt solution Substances 0.000 claims description 13
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 10
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 8
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 8
- 239000001099 ammonium carbonate Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- YWECOPREQNXXBZ-UHFFFAOYSA-N praseodymium(3+);trinitrate Chemical group [Pr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YWECOPREQNXXBZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 claims description 4
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical group [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 2
- 229910003447 praseodymium oxide Inorganic materials 0.000 abstract 1
- 229910052684 Cerium Inorganic materials 0.000 description 8
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- RCFVMJKOEJFGTM-UHFFFAOYSA-N cerium zirconium Chemical compound [Zr].[Ce] RCFVMJKOEJFGTM-UHFFFAOYSA-N 0.000 description 6
- 229910052777 Praseodymium Inorganic materials 0.000 description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 5
- 229910052726 zirconium Inorganic materials 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XJUNLJFOHNHSAR-UHFFFAOYSA-J zirconium(4+);dicarbonate Chemical compound [Zr+4].[O-]C([O-])=O.[O-]C([O-])=O XJUNLJFOHNHSAR-UHFFFAOYSA-J 0.000 description 2
- 229910004625 Ce—Zr Inorganic materials 0.000 description 1
- VPJQDYNOVJRQLN-UHFFFAOYSA-N [O-2].[La+3].[Ce+3].[F].[O-2].[O-2] Chemical compound [O-2].[La+3].[Ce+3].[F].[O-2].[O-2] VPJQDYNOVJRQLN-UHFFFAOYSA-N 0.000 description 1
- ACDVTYWYUIVEPE-UHFFFAOYSA-N [Pr+3].[O-2].[La+3].[Ce+3].[F] Chemical compound [Pr+3].[O-2].[La+3].[Ce+3].[F] ACDVTYWYUIVEPE-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- -1 rare earth fluoride Chemical class 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention provides a cerium-zirconium praseodymium sosoloid and a preparation method thereof. The cerium-zirconium praseodymium sosoloid comprises the following components in percentage by mass: 44 to 95% of cerium oxide, 4 to 50% of zirconia, and 0.1 to 10% of praseodymium oxide. In the cerium-zirconium praseodymium sosoloid provided by the invention, polishing powder is the cubic-phase cerium-zirconium praseodymium sosoloid. The cerium-zirconium praseodymium sosoloid has advantages of low cost, low suspension property of the polishing powder, high abrasive resistance, high effective utilization rate of the polishing powder, stable product quality, and the like. The cerium-zirconium praseodymium sosoloid can be applied to the precocious polishing processing in the fields of liquid crystal displays, optical components, integrated circuits and the like.
Description
Technical field
The present invention relates to a kind of polishing powder from rare earth and preparation method thereof, or rather, is about a kind of cerium zirconium praseodymium sosoloid polishing powder from rare earth and preparation method thereof.
Background technology
Cerium base polishing powder from rare earth is one of rare-earth products of outbalance, because cerium base polishing powder from rare earth has preferably chemistry and physicals, there is the advantages such as cutting power is strong, polishing time is short, polishing precision is high, clean operation environment, therefore the result of use than other polishing powders is good, and by people, be called " king of polishing powder ".This product is very fast in China's development at present, ever-growing use, in the polishing field of various opticglass devices, television picture tube, optical lens, oscillatron, sheet glass, semiconductor wafer and metal precise product etc., be widely applied, development prospect is good.
The main polishing powder using is mainly mishmetal polishing powder in the market, comprises cerium oxide, fluorine cerium lanthanum oxide, fluorine cerium lanthanum oxide praseodymium etc.As CN1156749, it is raw material that CN1205354 patent adopts hamartite, and CN101010402A has announced mixed rare-earth oxide, mixed rare earth fluoride, used the abrasive material based on cerium of this material; CN101284983A has announced a kind of ultra-fine, spheroidizing rare-earth polish, and this polishing powder from rare earth is also rare earth oxyfluoride.
But because rare earth price amount of increase is larger recently, simple use rare earth makes high cost as the raw material of polishing powder, has been unfavorable for the development of downstream electronic information industry.Meanwhile, China's polishing powder is in use inhomogeneous because of particle size distribution, and proportion is larger, causes the effective rate of utilization of polishing powder from rare earth lower, has caused the waste of a large amount of Nonrenewable resources.A large amount of mishmetal polishing powders that use, have also increased the weight of the workload of ore dressing in upstream, have caused a large amount of environmental pollutions.
Cerium zirconium sosoloid is widely used in purifying vehicle exhaust at present, as CN200510115874.2 has announced a kind of solid solution composition of cerium zirconium compound oxide with high specific surface and preparation method thereof, CN200610117192.X has announced a kind of spherical Ce-Zr based composite oxide and preparation method thereof, and CN02110040.3 has announced a kind of preparation technology based on cerium oxide and zirconic composite oxides.But requiring of using in the requirement of the cerium zirconium based solid solution of cerium zirconium and polishing process in this field is inconsistent, generally adds a lot of additives in preparation process, complicated process of preparation, condition is harsh, and cost is high, can not directly apply to polishing field simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of cerium zirconium praseodymium sosoloid polishing powder from rare earth and preparation method thereof, the above-mentioned defect existing to overcome prior art, meets the requirement of business to the polishing precision of production cost and increasingly stringent.
Cerium zirconium based solid solution polishing powder from rare earth of the present invention, the component that contains following weight percent:
Cerium oxide 44～95wt%
Zirconium white 4～50wt%
Praseodymium trioxide 0.1～10wt%
Preferably, the component that contains following weight percent:
Zirconium white 4.9～49.9wt%
Praseodymium trioxide accounts for 0.1～10wt%
The preparation method of described cerium zirconium praseodymium sosoloid, comprises the following steps:
The mixed salt solution of cerium, zirconium and praseodymium is mixed with ammonium bicarbonate soln, and co-precipitation, obtains presoma, then by presoma drying, roasting, pulverizing, obtains described precision cerium-zirconium-based solid solution rare earth polishing powder;
Concrete, comprise the following steps:
(1) mixed solution A of cerium salt, zirconates and praseodymium salt is mixed with ammonium bicarbonate soln B, controlling pH value is 6.0-6.5, obtains suspension liquid C, at 50～90 ℃, is incubated 0.5～2h precipitation, then collecting precipitation thing;
The concentration of the aqueous solution of described bicarbonate of ammonia is 100-200g/L;
In the mixing salt solution of described cerium salt, zirconates and praseodymium salt, in corresponding oxide compound:
Cerium oxide accounts for 44～95wt% of mixing salt gross weight
Zirconium white accounts for 4～50wt% of mixing salt gross weight
Praseodymium trioxide accounts for 0.1～10wt% of metal-salt gross weight
Preferably, in the mixing salt solution of described cerium salt, zirconates and praseodymium salt, in corresponding oxide compound:
Cerium oxide accounts for 50～95%wt% of mixing salt gross weight
Zirconium white accounts for 4.9～49.9wt% of mixing salt gross weight
Praseodymium trioxide accounts for 0.1～10wt% of metal-salt gross weight;
In the mixing salt solution A of described cerium salt, zirconates and praseodymium salt, the total weight content of cerium salt, zirconates and praseodymium salt is 3～7%;
Described hybrid mode is: A solution is added drop-wise in B solution, or B solution is added drop-wise in A solution, or A, B solution drip are added in reactor;
The compound method of the mixed salt solution A of cerium, zirconium and praseodymium, comprises the steps:
Cerium salt, zirconates and praseodymium salt is water-soluble, obtain solution A;
Or the carbonate of the carbonate of cerium, zirconium and acid-respons being obtained to the soluble salt of cerium, zirconium, the oxide compound of praseodymium and acid-respons obtain the soluble salt of praseodymium, fully mix, and obtain solution A;
The soluble salt of described cerium salt, zirconates and praseodymium salt is respectively nitrate or muriate;
Preferably, the soluble salt of cerium is cerous nitrate;
Preferably, the soluble salt of zirconium is zirconium nitrate;
Preferably, the soluble salt of praseodymium is praseodymium nitrate;
Described acid is hydrochloric acid or nitric acid;
(2) by roasting after the drying precipitate of collecting;
Drying temperature is 80～160 ℃, and be 12-24h time of drying;
Maturing temperature is 950～1100 ℃, and roasting time is 4～6h;
(3) product of roasting is obtained to target product cerium zirconium praseodymium sosoloid polishing powder from rare earth through comminution by gas stream, particle diameter is that D50 is 0.7～4 μ m;
Utilize preparation method of the present invention, polishing powder is Emission in Cubic cerium zirconium praseodymium sosoloid.The polishing powder that adopts the present invention to prepare, has cost low, and the suspension of polishing powder is little, and wear resistance is high, and the effective rate of utilization of polishing powder is high, and the advantages such as constant product quality can be applicable to the precise polished processing in the fields such as liquid-crystal display, optical element, unicircuit.
Accompanying drawing explanation
Fig. 1 is the XRD figure of precision cerium zirconium praseodymium sosoloid polishing powder from rare earth in embodiment 1.
Embodiment
Embodiment 1
Get cerous carbonate 111g, zirconium carbonate 125g, adds deionized water 7550g, with hydrochloric acid, is distinguished dissolve complete, and the pH value of terminal is 2, and praseodymium nitrate 0.5g is dissolved in 10g deionized water, joins in above-mentioned solution and mixes, and is heated to 50 ℃, obtains mixing salt solution A; The ammonium bicarbonate aqueous solution of preparation 200g/L, is added drop-wise in mixing salt solution A, and the pH value of controlling terminal is 6.0, continues to stir 2h at 50 ℃.By the suspension liquid obtaining through centrifuge dehydration, 120 ℃ of dry 12h, 950 ℃ of roasting 6h.By product of roasting through comminution by gas stream to D50 be 4 μ m, obtain target product, wherein cerium oxide content 50%, zirconia content 49.9%, Praseodymium trioxide content 0.1%.
Embodiment 2
Get cerous carbonate 111g, zirconium carbonate 100g, Praseodymium trioxide 10g, adds deionized water 2772g, and with nitric acid, by its dissolve complete, the pH value of terminal is 3, mixes, and is heated to 90 ℃, obtains mixing salt solution A.The ammonium bicarbonate soln of preparation 100g/L, is then slowly added drop-wise to mixing salt solution A in ammonium bicarbonate aqueous solution, and the pH value of controlling terminal is 6.5, continues to stir 0.5h at 90 ℃.By the suspension liquid obtaining through centrifuge dehydration, 80 ℃ of dry 24h, 950 ℃ of roasting 6h.By product of roasting through comminution by gas stream to D50 be 2.6 μ m, obtain target product, wherein cerium oxide content 50%, zirconia content 40%, Praseodymium trioxide content 10%.
Embodiment 3
Get cerous nitrate 211g, zirconium oxychloride 13g, praseodymium nitrate 2.5g, adds deionized water 5000g, and dissolve complete is heated to 60 ℃; The ammonium bicarbonate aqueous solution of preparation 150g/L; Then mixing salt solution A and ammonium bicarbonate aqueous solution drip are added in reactor, the pH value of controlling terminal is 6.2, and continuation is stirred 1h at 60 ℃, by the suspension liquid obtaining through centrifuge dehydration, 160 ℃ of dry 18h, 1100 ℃ of roasting 4h.By product of roasting through comminution by gas stream to D50 be 0.7 μ m, obtain target product, wherein cerium oxide content 95%, zirconia content 4.9%, Praseodymium trioxide content 0.1%.
Claims (7)
1. cerium zirconium praseodymium sosoloid, is characterized in that, the component that contains following weight percent:
Cerium oxide 44～95wt%
Zirconium white 4～50wt%
Praseodymium trioxide 0.1～10wt%;
The method of the cerium zirconium praseodymium sosoloid that preparation is described, comprises the following steps:
(1) mixed solution A of cerium salt, zirconates and praseodymium salt is mixed with ammonium bicarbonate soln B, controlling pH value is 6.0-6.5, obtains suspension liquid C, at 50～90 ℃, is incubated 0.5～2h precipitation, then collecting precipitation thing;
(2) by roasting after the drying precipitate of collecting, maturing temperature is 950～1100 ℃, and roasting time is 4～6h;
(3) product of roasting is obtained to cerium zirconium praseodymium sosoloid polishing powder from rare earth through comminution by gas stream.
2. cerium zirconium praseodymium sosoloid according to claim 1, is characterized in that the component that contains following weight percent:
Cerium oxide 50～95wt%
Zirconium white 4.9～49.9wt%
Praseodymium trioxide accounts for 0.1～10wt%.
3. cerium zirconium praseodymium sosoloid according to claim 1, is characterized in that, the concentration of the aqueous solution of described bicarbonate of ammonia is 100-200g/L;
In the mixing salt solution A of described cerium salt, zirconates and praseodymium salt, in corresponding oxide compound:
Cerium oxide accounts for 44～95wt% of mixing salt gross weight,
Zirconium white accounts for 4～50wt% of mixing salt gross weight,
Praseodymium trioxide accounts for 0.1～10wt% of mixing salt gross weight
In the mixing salt solution A of described cerium salt, zirconates and praseodymium salt, the total weight content of cerium salt, zirconates and praseodymium salt is 3～7%.
4. cerium zirconium praseodymium sosoloid according to claim 1, is characterized in that, in the mixing salt solution of described cerium salt, zirconates and praseodymium salt, in corresponding oxide compound:
Cerium oxide accounts for 50～95wt% of mixing salt gross weight
Zirconium white accounts for 4.9～49.9wt% of mixing salt gross weight
Praseodymium trioxide accounts for 0.1～10wt% of mixing salt gross weight.
5. cerium zirconium praseodymium sosoloid according to claim 1, is characterized in that, described cerium salt, zirconates and praseodymium salt are respectively nitrate or muriate.
6. cerium zirconium praseodymium sosoloid according to claim 1, is characterized in that, cerium salt is cerous nitrate, and zirconates is zirconium nitrate, and praseodymium salt is praseodymium nitrate.
7. cerium zirconium praseodymium sosoloid according to claim 1, is characterized in that, drying temperature is 80～160 ℃, and be 12-24h time of drying.
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| CN103571335A (en) * | 2013-11-05 | 2014-02-12 | 上海华明高纳稀土新材料有限公司 | Rare earth polishing powder and preparation method thereof |
| CN105524592A (en) * | 2015-07-16 | 2016-04-27 | 湖州华通研磨制造有限公司 | Grinding material |
| CN105505312A (en) * | 2015-07-16 | 2016-04-20 | 湖州华通研磨制造有限公司 | Preparation method for grinding material |
| CN107201178B (en) * | 2017-05-27 | 2018-03-06 | 泰安麦丰新材料科技有限公司 | A kind of preparation method of cerium praseodymium stabilizing zirconia polishing powder |
| WO2019099655A1 (en) | 2017-11-15 | 2019-05-23 | Saint-Gobain Ceramics & Plastics, Inc. | Composition for conducting material removal operations and method for forming same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403376A (en) * | 2002-10-15 | 2003-03-19 | 清华大学 | Cerium-base quaternary nano level composite RE oxide and its prepn process |
| JP2003105326A (en) * | 2001-09-28 | 2003-04-09 | Mitsui Mining & Smelting Co Ltd | Raw material for cerium polishing material and method for analyzing raw material for cerium polishing material |
| CN1807260A (en) * | 2005-01-18 | 2006-07-26 | 内蒙古科技大学 | High specific surface area nanometer cerium zirconium oxide preparation method |
| EP1707534A1 (en) * | 2004-01-21 | 2006-10-04 | Mitsui Mining and Smelting Co., Ltd | Oxide solid solution powder |
| CN1962051A (en) * | 2005-11-10 | 2007-05-16 | 北京有色金属研究总院 | Solid solution composition of cerium zirconium compound oxide with high specific surface and method for preparing the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10237425A (en) * | 1997-02-24 | 1998-09-08 | Toray Ind Inc | Polishing agent |
| JP3945745B2 (en) * | 2001-03-09 | 2007-07-18 | 三井金属鉱業株式会社 | Cerium-based abrasive and abrasive slurry and method for producing cerium-based abrasive |
| JP3946982B2 (en) * | 2001-11-01 | 2007-07-18 | ニッケイ・メル株式会社 | Method for producing zirconia-ceria based composite oxide |
| US6749653B2 (en) * | 2002-02-21 | 2004-06-15 | 3M Innovative Properties Company | Abrasive particles containing sintered, polycrystalline zirconia |
-
2011
- 2011-12-15 CN CN201110422071.7A patent/CN102559064B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003105326A (en) * | 2001-09-28 | 2003-04-09 | Mitsui Mining & Smelting Co Ltd | Raw material for cerium polishing material and method for analyzing raw material for cerium polishing material |
| CN1403376A (en) * | 2002-10-15 | 2003-03-19 | 清华大学 | Cerium-base quaternary nano level composite RE oxide and its prepn process |
| EP1707534A1 (en) * | 2004-01-21 | 2006-10-04 | Mitsui Mining and Smelting Co., Ltd | Oxide solid solution powder |
| CN1807260A (en) * | 2005-01-18 | 2006-07-26 | 内蒙古科技大学 | High specific surface area nanometer cerium zirconium oxide preparation method |
| CN1962051A (en) * | 2005-11-10 | 2007-05-16 | 北京有色金属研究总院 | Solid solution composition of cerium zirconium compound oxide with high specific surface and method for preparing the same |
Non-Patent Citations (8)
| Title |
|---|
| (Ce-Zr)mA(1-m)O2复合氧化物的制备及其表征;郑向江等;《稀土》;20081015;第29卷(第05期);40-43 * |
| Jian Liu,et.al..Synthesis of nanopowder Ce–Zr–Pr oxide solid solutions and.《Catalysis Communications》.2006,第8卷(第3期), |
| Synthesis of nanopowder Ce–Zr–Pr oxide solid solutions and;Jian Liu,et.al.;《Catalysis Communications》;20060617;第8卷(第3期);220-224 * |
| 朱兆武等.高性能纯铈抛光粉的制备.《中国稀土学报》.2005,第23卷 |
| 胡玉才.铈锆镨氧化物固溶体在三效催化剂中的应用.《稀有金属材料与工程》.2005,第34卷(第8期), |
| 郑向江等.(Ce-Zr)mA(1-m)O2复合氧化物的制备及其表征.《稀土》.2008,第29卷(第05期), |
| 铈锆镨氧化物固溶体在三效催化剂中的应用;胡玉才;《稀有金属材料与工程》;20050830;第34卷(第8期);1299-1301 * |
| 高性能纯铈抛光粉的制备;朱兆武等;《中国稀土学报》;20051201;第23卷;74-78 * |
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