ES2190300A1 - Production of stable tetragonal structure zirconium oxide powders comprises polycondensation of sol to form gel based on zirconyl chloride and ammonia - Google Patents

Production of stable tetragonal structure zirconium oxide powders comprises polycondensation of sol to form gel based on zirconyl chloride and ammonia

Info

Publication number
ES2190300A1
ES2190300A1 ES200000243A ES200000243A ES2190300A1 ES 2190300 A1 ES2190300 A1 ES 2190300A1 ES 200000243 A ES200000243 A ES 200000243A ES 200000243 A ES200000243 A ES 200000243A ES 2190300 A1 ES2190300 A1 ES 2190300A1
Authority
ES
Spain
Prior art keywords
ammonia
production
zirconium oxide
sol
oxide powders
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.)
Granted
Application number
ES200000243A
Other languages
Spanish (es)
Other versions
ES2190300B1 (en
Inventor
Ibanez Gerardo Colon
Santos Jose Antonio Navio
Azana Manuel Macias
M Carmen Hidalgo
Soto Pedro Jose Sanchez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Consejo Superior de Investigaciones Cientificas CSIC
Universidad de Sevilla
Original Assignee
Consejo Superior de Investigaciones Cientificas CSIC
Universidad de Sevilla
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Consejo Superior de Investigaciones Cientificas CSIC, Universidad de Sevilla filed Critical Consejo Superior de Investigaciones Cientificas CSIC
Priority to ES200000243A priority Critical patent/ES2190300B1/en
Publication of ES2190300A1 publication Critical patent/ES2190300A1/en
Application granted granted Critical
Publication of ES2190300B1 publication Critical patent/ES2190300B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The production of stable-tetragonal-structure zirconium oxide powders comprises modification of the specific surface to give nanometric powder. A gel is formed by the polycondensation of a sol produced by hydrolysis based on a solution of zirconyl chloride and ammonia in an aqueous medium. Preferred Features: Hydrogen peroxide is applied, to increase the end-product's molar ratio, with an ageing time of 30 minutes.
ES200000243A 2000-02-04 2000-02-04 PROCEDURE FOR OBTAINING NANOMETRIC POWDER OF CIRCONIOUS OXIDE WITH MODIFICATION OF ITS SPECIFIC SURFACE AND STABLE TETRAGONAL STRUCTURE. Expired - Fee Related ES2190300B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES200000243A ES2190300B1 (en) 2000-02-04 2000-02-04 PROCEDURE FOR OBTAINING NANOMETRIC POWDER OF CIRCONIOUS OXIDE WITH MODIFICATION OF ITS SPECIFIC SURFACE AND STABLE TETRAGONAL STRUCTURE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200000243A ES2190300B1 (en) 2000-02-04 2000-02-04 PROCEDURE FOR OBTAINING NANOMETRIC POWDER OF CIRCONIOUS OXIDE WITH MODIFICATION OF ITS SPECIFIC SURFACE AND STABLE TETRAGONAL STRUCTURE.

Publications (2)

Publication Number Publication Date
ES2190300A1 true ES2190300A1 (en) 2003-07-16
ES2190300B1 ES2190300B1 (en) 2004-11-16

Family

ID=27589257

Family Applications (1)

Application Number Title Priority Date Filing Date
ES200000243A Expired - Fee Related ES2190300B1 (en) 2000-02-04 2000-02-04 PROCEDURE FOR OBTAINING NANOMETRIC POWDER OF CIRCONIOUS OXIDE WITH MODIFICATION OF ITS SPECIFIC SURFACE AND STABLE TETRAGONAL STRUCTURE.

Country Status (1)

Country Link
ES (1) ES2190300B1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172233A (en) * 1982-03-31 1983-10-11 Etsuro Kato Manufacture of spherical fine zirconia particle
JPS61141620A (en) * 1985-11-27 1986-06-28 Etsuro Kato Crystalline zirconia fine powder, and production thereof
JPS61270217A (en) * 1985-05-23 1986-11-29 Denki Kagaku Kogyo Kk Production of crystalline zirconium oxide fine powder
JPS62128924A (en) * 1985-11-29 1987-06-11 Denki Kagaku Kogyo Kk Production of zirconium oxide series fine powder
JPS62212224A (en) * 1986-03-14 1987-09-18 Taiyo Yuden Co Ltd Production of zirconia solid solution crystal fine powder
US5238625A (en) * 1991-04-12 1993-08-24 Colloid Research Institute Process for preparing zirconia sols and/or zirconia forms

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172233A (en) * 1982-03-31 1983-10-11 Etsuro Kato Manufacture of spherical fine zirconia particle
JPS61270217A (en) * 1985-05-23 1986-11-29 Denki Kagaku Kogyo Kk Production of crystalline zirconium oxide fine powder
JPS61141620A (en) * 1985-11-27 1986-06-28 Etsuro Kato Crystalline zirconia fine powder, and production thereof
JPS62128924A (en) * 1985-11-29 1987-06-11 Denki Kagaku Kogyo Kk Production of zirconium oxide series fine powder
JPS62212224A (en) * 1986-03-14 1987-09-18 Taiyo Yuden Co Ltd Production of zirconia solid solution crystal fine powder
US5238625A (en) * 1991-04-12 1993-08-24 Colloid Research Institute Process for preparing zirconia sols and/or zirconia forms

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
HCAPLUS [en línea] [recuperado el 23.06.2003]. Recuperado de STN International, Columbus, Ohio (EE.UU.). Nö de acceso 1988:80681 & JP 62212224 A (TAIYO YUDEN, CO.) 18.09.1987 (resumen) *
HCAPLUS [en línea] [recuperado el 23.06.2003]. Recuperado de STN International, Columbus, Ohio, (EE.UU.). Nö de acceso 1984:55923 & JP 58172233 A (KATO ETSURO) 11.10.1983 (resumen) *
HCAPLUS [en línea] [recuperado el 23.06.2003]. Recuperado de STN International, Columbus, Ohio, (EE.UU.). Nö de acceso 1986:555547 & JP 61141620 A (KATO ETSURO) 28.06.1986 (resumen) *
HCAPLUS [en línea] [recuperado el 23.06.2003]. Recuperado de STN International, Columbus, Ohio, (EE.UU.). Nö de acceso 1987:161534 & JP 61270217 A (DENKI KAGAKU KOGYO KK) 29.11.1986 (resumen) *
HCAPLUS [en línea] [recuperado el 23.06.2003]. Recuperado de STN International, Columbus, Ohio, (EE.UU.). Nö de acceso 1987:619919 & JP 62128924 A (DENKI KAGAKU KOGYO KK) 11.06.1987 (resumen) *
NAVIO, J.A. y col. Effects of H2O2 and SO42- species on the crystalline structure and surface properties of ZrO2 processed by alkaline precipitation. Chemistry of Materials, 1997, Vol. 9, Nö 5, páginas 1256-1261, ISSN 0897-4756. Todo el documento. *

Also Published As

Publication number Publication date
ES2190300B1 (en) 2004-11-16

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