KR100414832B1 - 고품질 티탄산바륨계 파우더의 제조방법 - Google Patents
고품질 티탄산바륨계 파우더의 제조방법 Download PDFInfo
- Publication number
- KR100414832B1 KR100414832B1 KR10-2001-0009066A KR20010009066A KR100414832B1 KR 100414832 B1 KR100414832 B1 KR 100414832B1 KR 20010009066 A KR20010009066 A KR 20010009066A KR 100414832 B1 KR100414832 B1 KR 100414832B1
- Authority
- KR
- South Korea
- Prior art keywords
- barium
- barium titanate
- nozzle
- powder
- oxalate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000843 powder Substances 0.000 title claims abstract description 52
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910002113 barium titanate Inorganic materials 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229910052788 barium Inorganic materials 0.000 claims abstract description 42
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 36
- QKKWJYSVXDGOOJ-UHFFFAOYSA-N oxalic acid;oxotitanium Chemical compound [Ti]=O.OC(=O)C(O)=O QKKWJYSVXDGOOJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 claims abstract description 28
- 239000007864 aqueous solution Substances 0.000 claims abstract description 27
- 239000010936 titanium Substances 0.000 claims abstract description 26
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 20
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims abstract description 19
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229910001626 barium chloride Inorganic materials 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 5
- 238000000197 pyrolysis Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 150000001805 chlorine compounds Chemical class 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 3
- 229910052745 lead Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 150000002823 nitrates Chemical class 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 16
- 239000003985 ceramic capacitor Substances 0.000 abstract description 5
- 230000035484 reaction time Effects 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000011259 mixed solution Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000001308 synthesis method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 238000009837 dry grinding Methods 0.000 description 3
- 238000001027 hydrothermal synthesis Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- FQNGWRSKYZLJDK-UHFFFAOYSA-N [Ca].[Ba] Chemical compound [Ca].[Ba] FQNGWRSKYZLJDK-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- FFQALBCXGPYQGT-UHFFFAOYSA-N 2,4-difluoro-5-(trifluoromethyl)aniline Chemical compound NC1=CC(C(F)(F)F)=C(F)C=C1F FFQALBCXGPYQGT-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 1
- PWHCIQQGOQTFAE-UHFFFAOYSA-L barium chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Ba+2] PWHCIQQGOQTFAE-UHFFFAOYSA-L 0.000 description 1
- XBYNNYGGLWJASC-UHFFFAOYSA-N barium titanium Chemical compound [Ti].[Ba] XBYNNYGGLWJASC-UHFFFAOYSA-N 0.000 description 1
- -1 barium titanyl oxalate compound Chemical class 0.000 description 1
- 229910021523 barium zirconate Inorganic materials 0.000 description 1
- DQBAOWPVHRWLJC-UHFFFAOYSA-N barium(2+);dioxido(oxo)zirconium Chemical compound [Ba+2].[O-][Zr]([O-])=O DQBAOWPVHRWLJC-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/003—Titanates
- C01G23/006—Alkaline earth titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/34—Three-dimensional structures perovskite-type (ABO3)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (13)
- 염화바륨(BaCl2)/사염화티탄(TiCl4)의 몰비가 1 ∼ 1.5인 혼합수용액을 고속분사 노즐을 사용하여 농도가 0.2 ∼ 2.0 mol/ℓ인 옥살산(H2C2O4) 수용액에 적가하여 바륨티타닐옥살레이트[BaTiO(C2O4)2ㆍ4H2O]를 침전시킨 후 숙성시키고 세척 및 여과하는 단계;상기에서 얻어진 바륨티타닐옥살레이트(BTO) 결정을 1차 분쇄시키고 건조시킨 후, 700 ∼ 1200 ℃ 온도에서 열분해시켜 티탄산바륨(BaTiO3) 파우더를 형성하는 단계; 그리고상기에서 형성된 티탄산바륨 파우더를 2차 분쇄시키는 단계를 포함하는 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 제 1 항에 있어서, 상기 노즐의 분사속도는 0.01 ∼ 70ℓ/min인 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 노즐의 타입은 일류체 노즐인 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 제 3 항에 있어서, 상기 일류체 노즐은 풀콘(Full-Con), 할로우-콘(Hollow-Con) 및 플랫(Flat) 중에서 선택된 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 제 1 항에 있어서, 상기 염화바륨 수용액 및 염화티탄 수용액의 농도는 0.2 ∼ 2.0 mol/ℓ인 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 삭제
- 삭제
- 제 1 항에 있어서, 상기 숙성은 1 ∼ 100시간 동안 수행하는 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 제 1 항에 있어서, 상기 바륨티타닐산옥살레이트(BTO)결정을 1차 분쇄시 첨가제를 혼합시켜, Ba이나 Ti, 또는 Ba 및 Ti 자리에 다른 원소를 치환하는 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 제 9 항에 있어서, 상기 Ba자리에 치환되는 원소는 Mg, Ca, Sr 및 Pb 중에서 선택된 1종 또는 2종 이상인 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 제 9 항에 있어서, 상기 Ti 자리에 치환되는 원소는 Zr, Hf 및 Sn 중에서 선택된 1종 또는 2종 이상인 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 제 9 항 내지 제 11 항 중 어느 한항에 있어서, 상기 첨가제는 치환되는 원소의 염화물 및 질산화물 중에서 선택된 형태인 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
- 제 1 항에 있어서, 상기 열분해의 가열속도는 0.5 ∼ 10 ℃/min이고, 유지온도는 700 ∼ 1200 ℃인 것을 특징으로 하는 티탄산바륨계 파우더의 제조방법.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0009066A KR100414832B1 (ko) | 2001-02-22 | 2001-02-22 | 고품질 티탄산바륨계 파우더의 제조방법 |
JP2002565899A JP4064241B2 (ja) | 2001-02-22 | 2002-02-05 | 高品質チタン酸バリウム系パウダーの製造方法 |
CNB02806805XA CN1234613C (zh) | 2001-02-22 | 2002-02-05 | 制备高质量钛酸钡基粉末的方法 |
PCT/KR2002/000165 WO2002066377A1 (en) | 2001-02-22 | 2002-02-05 | Method for preparing high quality barium-titanate based powder |
EP02700822A EP1362008A1 (en) | 2001-02-22 | 2002-02-05 | Method for preparing high quality barium-titanate based powder |
US10/468,468 US20040115122A1 (en) | 2001-02-22 | 2002-02-05 | Method for preparing high quality barium-titanate based powder |
TW091103229A TW558470B (en) | 2001-02-22 | 2002-02-22 | Method for preparing high quality barium-titanate based powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0009066A KR100414832B1 (ko) | 2001-02-22 | 2001-02-22 | 고품질 티탄산바륨계 파우더의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020068792A KR20020068792A (ko) | 2002-08-28 |
KR100414832B1 true KR100414832B1 (ko) | 2004-01-13 |
Family
ID=19706141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0009066A Expired - Lifetime KR100414832B1 (ko) | 2001-02-22 | 2001-02-22 | 고품질 티탄산바륨계 파우더의 제조방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20040115122A1 (ko) |
EP (1) | EP1362008A1 (ko) |
JP (1) | JP4064241B2 (ko) |
KR (1) | KR100414832B1 (ko) |
CN (1) | CN1234613C (ko) |
TW (1) | TW558470B (ko) |
WO (1) | WO2002066377A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100503857B1 (ko) * | 2002-11-01 | 2005-07-25 | (주)아해 | 무기산으로 제조한 사염화티타늄 수용액과 염화바륨수용액으로부터 나노크기의 결정성 티탄산바륨 분말을제조하는 방법 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW527321B (en) * | 2000-08-09 | 2003-04-11 | Samsung Electro Mech | A method for producing barium titanate based powders by oxalate process |
KR100434883B1 (ko) * | 2001-08-14 | 2004-06-07 | 삼성전기주식회사 | 티탄산바륨계 파우더의 제조방법 |
JP5025100B2 (ja) * | 2005-06-27 | 2012-09-12 | 京セラ株式会社 | チタン酸バリウム粉末の製造方法 |
CN101537494B (zh) * | 2009-04-29 | 2010-07-28 | 北京科技大学 | 一种镍颗粒分散锆钛酸钡钙压电复合材料的制备方法 |
KR101606932B1 (ko) * | 2009-04-29 | 2016-03-28 | 삼성전기주식회사 | 옥살레이트 공정에 의한 티탄산바륨 분말의 제조방법 및 그 방법에 의하여 제조된 티탄산바륨 분말 |
US9242922B2 (en) * | 2011-04-01 | 2016-01-26 | M. Technique Co., Ltd. | Method for producing barium titanyl salt and barium titanate |
CN102242400B (zh) * | 2011-06-29 | 2013-06-05 | 浙江大学 | 一种制备单晶CaTiO3枝晶的方法 |
JP5879078B2 (ja) | 2011-09-15 | 2016-03-08 | 日本化学工業株式会社 | シュウ酸バリウムチタニルの製造方法及びチタン酸バリウムの製造方法 |
WO2014084429A1 (ko) * | 2012-11-30 | 2014-06-05 | 삼성정밀화학 주식회사 | 티탄산바륨의 제조방법, 및 이에 의하여 제조된 티탄산바륨 |
KR101770701B1 (ko) | 2012-12-21 | 2017-09-06 | 삼성전자주식회사 | 티탄산 바륨을 포함한 이산화탄소 흡착제, 이를 포함한 이산화탄소 포집 모듈, 및 이를 이용한 이산화탄소 분리 방법 |
KR102376545B1 (ko) * | 2017-08-01 | 2022-03-21 | 삼성디스플레이 주식회사 | 플렉시블 디스플레이 윈도우 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62154680A (ja) * | 1985-12-27 | 1987-07-09 | Toyo Soda Mfg Co Ltd | アクチユエ−タ−用BaTiO↓3系磁器 |
KR950000566A (ko) * | 1993-06-08 | 1995-01-03 | 우덕창 | 티탄산바륨의 제조방법 |
KR19980013821A (ko) * | 1996-08-03 | 1998-05-15 | 구자홍 | 액정 디스플레이의 자동 밝기 조절장치 |
US5783165A (en) * | 1997-01-08 | 1998-07-21 | Ferro Corporation | Method of making barium titanate |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2985506A (en) * | 1957-12-06 | 1961-05-23 | Vita Sam Di | Method of producing barium titanate |
US3529978A (en) * | 1969-09-23 | 1970-09-22 | Globe Union Inc | General purpose batio3 ceramic dielectric compositions |
SE451114B (sv) * | 1981-11-13 | 1987-09-07 | Fluidcarbon International Ab | Sett for forstoftning av partikelhaltiga dispersioner och losningar |
JPS5936919A (ja) * | 1982-08-25 | 1984-02-29 | 三菱鉱業セメント株式会社 | 磁器コンデンサ |
JPS61146710A (ja) * | 1984-12-19 | 1986-07-04 | Central Glass Co Ltd | 高純度チタン酸バリウム微粒子の製造方法 |
US4764493A (en) * | 1986-06-16 | 1988-08-16 | Corning Glass Works | Method for the production of mono-size powders of barium titanate |
DE3635532A1 (de) * | 1986-10-18 | 1988-04-28 | Philips Patentverwaltung | Verfahren zur herstellung von bariumtitanat batio(pfeil abwaerts)3(pfeil abwaerts) |
DD267480A1 (de) * | 1987-11-30 | 1989-05-03 | Univ Schiller Jena | Verfahren zur herstellung von titanaten |
JPH0388719A (ja) * | 1989-08-30 | 1991-04-15 | Tdk Corp | シュウ酸チタニルバリウム粒子の製造方法 |
US5219811A (en) * | 1989-08-31 | 1993-06-15 | Central Glass Company, Limited | Powder composition for sintering into modified barium titanate semiconductive ceramic |
JPH03103323A (ja) * | 1989-09-14 | 1991-04-30 | Tdk Corp | シュウ酸チタニルバリウム粒子の製造方法 |
IT1270828B (it) * | 1993-09-03 | 1997-05-13 | Chon Int Co Ltd | Processo per la sintesi di polveri ceramiche cristalline di composti di perovskite |
US6660680B1 (en) * | 1997-02-24 | 2003-12-09 | Superior Micropowders, Llc | Electrocatalyst powders, methods for producing powders and devices fabricated from same |
US6251816B1 (en) * | 1998-12-31 | 2001-06-26 | Mra Laboratories, Inc. | Capacitor and dielectric ceramic powder based upon a barium borate and zinc silicate dual-component sintering flux |
KR100360118B1 (ko) * | 1999-07-05 | 2002-11-04 | 삼성전기주식회사 | 옥살레이트법에 의한 티탄산바륨계 산화물 분말 제조방법 |
-
2001
- 2001-02-22 KR KR10-2001-0009066A patent/KR100414832B1/ko not_active Expired - Lifetime
-
2002
- 2002-02-05 EP EP02700822A patent/EP1362008A1/en not_active Withdrawn
- 2002-02-05 WO PCT/KR2002/000165 patent/WO2002066377A1/en not_active Application Discontinuation
- 2002-02-05 CN CNB02806805XA patent/CN1234613C/zh not_active Expired - Lifetime
- 2002-02-05 JP JP2002565899A patent/JP4064241B2/ja not_active Expired - Lifetime
- 2002-02-05 US US10/468,468 patent/US20040115122A1/en not_active Abandoned
- 2002-02-22 TW TW091103229A patent/TW558470B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62154680A (ja) * | 1985-12-27 | 1987-07-09 | Toyo Soda Mfg Co Ltd | アクチユエ−タ−用BaTiO↓3系磁器 |
KR950000566A (ko) * | 1993-06-08 | 1995-01-03 | 우덕창 | 티탄산바륨의 제조방법 |
KR19980013821A (ko) * | 1996-08-03 | 1998-05-15 | 구자홍 | 액정 디스플레이의 자동 밝기 조절장치 |
US5783165A (en) * | 1997-01-08 | 1998-07-21 | Ferro Corporation | Method of making barium titanate |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100503857B1 (ko) * | 2002-11-01 | 2005-07-25 | (주)아해 | 무기산으로 제조한 사염화티타늄 수용액과 염화바륨수용액으로부터 나노크기의 결정성 티탄산바륨 분말을제조하는 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20020068792A (ko) | 2002-08-28 |
EP1362008A1 (en) | 2003-11-19 |
CN1498192A (zh) | 2004-05-19 |
US20040115122A1 (en) | 2004-06-17 |
JP4064241B2 (ja) | 2008-03-19 |
TW558470B (en) | 2003-10-21 |
WO2002066377A1 (en) | 2002-08-29 |
JP2004521850A (ja) | 2004-07-22 |
CN1234613C (zh) | 2006-01-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100434883B1 (ko) | 티탄산바륨계 파우더의 제조방법 | |
US6641794B2 (en) | Method for producing barium titanate based powders by oxalate process | |
EP0641740B1 (en) | Process for the synthesis of crystalline ceramic powders of perovskite compounds | |
KR100414832B1 (ko) | 고품질 티탄산바륨계 파우더의 제조방법 | |
KR100360118B1 (ko) | 옥살레이트법에 의한 티탄산바륨계 산화물 분말 제조방법 | |
US20050019248A1 (en) | High-gravity reactive precipitation process for the preparation of barium titanate powders | |
KR101451987B1 (ko) | 옥살레이트 공정에 의한 고결정성의 티탄산바륨 미분말의 제조방법 및 그 방법에 의하여 제조된 고결정성의 티탄산바륨 미분말 | |
KR101426345B1 (ko) | 옥살레이트 공정에 의한 티탄산바륨 분말의 제조방법 및 그방법에 의하여 제조된 티탄산바륨 분말 | |
KR20100118805A (ko) | 옥살레이트 공정에 의한 티탄산바륨 분말의 제조방법 및 그 방법에 의하여 제조된 티탄산바륨 분말 | |
KR101606932B1 (ko) | 옥살레이트 공정에 의한 티탄산바륨 분말의 제조방법 및 그 방법에 의하여 제조된 티탄산바륨 분말 | |
KR20100113847A (ko) | 연속식 옥살레이트 공정에 의한 바륨티타닐옥살레이트의 제조방법, 상기 방법에 의하여 제조된 바륨티타닐옥살레이트 및 상기 방법을 포함하는 티탄산바륨의 제조방법 | |
KR100562520B1 (ko) | 이산화티탄졸을 이용한 티탄산바륨 입자의 제조방법 | |
KR101751081B1 (ko) | 티탄산바륨의 제조방법, 및 이에 의하여 제조된 티탄산바륨 | |
TW201520173A (zh) | 草酸氧鈦鋇製備方法以及鈦酸鋇製備方法 | |
KR100435534B1 (ko) | 티탄산바륨의 제조방법 | |
CN108675785A (zh) | 制造钛酸钡的方法和通过该方法制造的钛酸钡 | |
KR100558460B1 (ko) | 옥살레이트 공정에 의한 초미립 티탄산바륨계 분말의 제조방법 | |
KR20150060189A (ko) | 바륨티타닐옥살레이트의 제조방법, 티탄산바륨의 제조방법, 및 티탄산바륨 | |
KR101792283B1 (ko) | 입자의 크기가 작고 균일한 바륨지르코늄티타네이트의 제조방법 및 이에 의하여 제조된 바륨지르코늄티타네이트 | |
KR20060102928A (ko) | 티탄산바륨 분말의 제조방법 | |
KR20150060303A (ko) | 바륨티타닐옥살레이트의 제조방법 및 티탄산바륨의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20010222 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20030421 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20030930 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20031229 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20031230 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20051220 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20071015 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20080923 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20090918 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20100930 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20111010 Start annual number: 9 End annual number: 9 |
|
FPAY | Annual fee payment |
Payment date: 20121008 Year of fee payment: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20121008 Start annual number: 10 End annual number: 10 |
|
FPAY | Annual fee payment |
Payment date: 20130910 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20130910 Start annual number: 11 End annual number: 11 |
|
FPAY | Annual fee payment |
Payment date: 20141001 Year of fee payment: 12 |
|
PR1001 | Payment of annual fee |
Payment date: 20141001 Start annual number: 12 End annual number: 12 |
|
FPAY | Annual fee payment |
Payment date: 20151005 Year of fee payment: 13 |
|
PR1001 | Payment of annual fee |
Payment date: 20151005 Start annual number: 13 End annual number: 13 |
|
FPAY | Annual fee payment |
Payment date: 20161004 Year of fee payment: 14 |
|
PR1001 | Payment of annual fee |
Payment date: 20161004 Start annual number: 14 End annual number: 14 |
|
FPAY | Annual fee payment |
Payment date: 20171011 Year of fee payment: 15 |
|
PR1001 | Payment of annual fee |
Payment date: 20171011 Start annual number: 15 End annual number: 15 |
|
FPAY | Annual fee payment |
Payment date: 20181002 Year of fee payment: 16 |
|
PR1001 | Payment of annual fee |
Payment date: 20181002 Start annual number: 16 End annual number: 16 |
|
PR1001 | Payment of annual fee |
Payment date: 20201005 Start annual number: 18 End annual number: 18 |
|
PC1801 | Expiration of term |
Termination date: 20210822 Termination category: Expiration of duration |