ES2049184A1 - Procedimiento para el recubrimiento de particulas magneticas para la obtencion de fluidos magneticos estables. - Google Patents

Procedimiento para el recubrimiento de particulas magneticas para la obtencion de fluidos magneticos estables.

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Publication number
ES2049184A1
ES2049184A1 ES9201984A ES9201984A ES2049184A1 ES 2049184 A1 ES2049184 A1 ES 2049184A1 ES 9201984 A ES9201984 A ES 9201984A ES 9201984 A ES9201984 A ES 9201984A ES 2049184 A1 ES2049184 A1 ES 2049184A1
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ES
Spain
Prior art keywords
particles
micro
coating
emulsion
magnetic
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
ES9201984A
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English (en)
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ES2049184B1 (es
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RIVAS REY
Original Assignee
RIVAS REY
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Publication date
Application filed by RIVAS REY filed Critical RIVAS REY
Priority to ES09201984A priority Critical patent/ES2049184B1/es
Publication of ES2049184A1 publication Critical patent/ES2049184A1/es
Application granted granted Critical
Publication of ES2049184B1 publication Critical patent/ES2049184B1/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Colloid Chemistry (AREA)

Abstract

PROCEDIMIENTO PARA EL RECUBRIMIENTO DE PARTICULAS MAGNETICAS PARA LA OBTENCION DE FLUIDOS MAGNETICOS ESTABLES, EN PARTICULAR PARA RECUBRIR CON CAPAS DE DIFERENTES MATERIALES PARTICULAS MAGNETICAS MEDIANTE UNA TECNICA BASADA EN LA REALIZACION DE REACCIONES EN MICROEMULSIONES CONSISTENTE EN: (A) OBTENCION DEL MATERIAL MAGNETICO BASE DENTRO DE LAS NANOGOTAS DE UNA MICROEMULSION (B) RECUBRIMIENTO DE LAS PARTICULAS OBTENIDAS MEDIANTE UNA SEGUNDA REACCION REALIZADA EN LA MICROEMULSION PRECEDENTE CON LAS PARTICULAS MAGNETICAS Y (C) SEPARACION DE LAS PARTICULAS DEL MEDIO Y REDISPERSION EN OTRAS MEZCLAS DE LIQUIDO/SURFACTANTE.
ES09201984A 1992-10-07 1992-10-07 Procedimiento para el recubrimiento de particulas magneticas para la obtencion de fluidos magneticos estables. Expired - Lifetime ES2049184B1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES09201984A ES2049184B1 (es) 1992-10-07 1992-10-07 Procedimiento para el recubrimiento de particulas magneticas para la obtencion de fluidos magneticos estables.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09201984A ES2049184B1 (es) 1992-10-07 1992-10-07 Procedimiento para el recubrimiento de particulas magneticas para la obtencion de fluidos magneticos estables.

Publications (2)

Publication Number Publication Date
ES2049184A1 true ES2049184A1 (es) 1994-04-01
ES2049184B1 ES2049184B1 (es) 1994-10-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
ES09201984A Expired - Lifetime ES2049184B1 (es) 1992-10-07 1992-10-07 Procedimiento para el recubrimiento de particulas magneticas para la obtencion de fluidos magneticos estables.

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ES (1) ES2049184B1 (es)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215572A (en) * 1963-10-09 1965-11-02 Papell Solomon Stephen Low viscosity magnetic fluid obtained by the colloidal suspension of magnetic particles
US3843540A (en) * 1972-07-26 1974-10-22 Us Interior Production of magnetic fluids by peptization techniques
EP0054832A1 (en) * 1980-12-15 1982-06-30 The Dow Chemical Company A colloidal size hydrophobic polymer particulate having discrete particles of an inorganic material dispersed therein

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215572A (en) * 1963-10-09 1965-11-02 Papell Solomon Stephen Low viscosity magnetic fluid obtained by the colloidal suspension of magnetic particles
US3843540A (en) * 1972-07-26 1974-10-22 Us Interior Production of magnetic fluids by peptization techniques
EP0054832A1 (en) * 1980-12-15 1982-06-30 The Dow Chemical Company A colloidal size hydrophobic polymer particulate having discrete particles of an inorganic material dispersed therein

Also Published As

Publication number Publication date
ES2049184B1 (es) 1994-10-01

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Legal Events

Date Code Title Description
FA2A Application withdrawn

Effective date: 19950425