MX9604250A - Metodo para hacer un material mixto de cristal liquido. - Google Patents

Metodo para hacer un material mixto de cristal liquido.

Info

Publication number
MX9604250A
MX9604250A MX9604250A MX9604250A MX9604250A MX 9604250 A MX9604250 A MX 9604250A MX 9604250 A MX9604250 A MX 9604250A MX 9604250 A MX9604250 A MX 9604250A MX 9604250 A MX9604250 A MX 9604250A
Authority
MX
Mexico
Prior art keywords
liquid crystal
crystal composite
making liquid
composite
basis
Prior art date
Application number
MX9604250A
Other languages
English (en)
Other versions
MXPA96004250A (es
Inventor
Robert H Reamey
John Mazzanti
Mark Wartenberg
Gil Garza
John Havens
Anne Gonzales
Kathleen Dizio
Harriette Atkins
Kevin Malloy
Original Assignee
Raychem Corp
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 Raychem Corp filed Critical Raychem Corp
Publication of MX9604250A publication Critical patent/MX9604250A/es
Publication of MXPA96004250A publication Critical patent/MXPA96004250A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542—Macromolecular compounds
    • C09K19/544—Macromolecular compounds as dispersing or encapsulating medium around the liquid crystal
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

La presente invencion se refiere a un método para hacer un material mixto de cristal líquido, en donde volumenes variados de un material de cristal líquido están dispersados en un material de matriz y el material de cristal líquido es por lo menos parcialmente separado del material de matriz mediante un material de encapsulacion dispuesto entre ellos, dicho método comprende los pasos de: a) emulsificar una combinacion del material de cristal líquido, el material de encapsulacion y un medio de vehículo para formar una emulsion, en donde las cápsulas que comprenden un volumen del material de cristal líquido contenido dentro del material de encapsulacion, están suspendidas en el medio de vehículo; b) separar las cápsulas del medio de vehículo; c) dispersar las cápsulas en un medio, en el cual está presente el material de matriz o un precursor del mismo; y d) hacer que el material de matriz o su precursor se fijen alrededor de las cápsulas, para formar el material mixto de cristal líquido.
MXPA/A/1996/004250A 1994-03-24 1995-03-22 Metodo para hacer un material mixto de cristalliquido MXPA96004250A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/217,581 US5405551A (en) 1994-03-24 1994-03-24 Method of making liquid crystal composite
US08217581 1994-03-24
PCT/US1995/003656 WO1995025778A1 (en) 1994-03-24 1995-03-22 Method of making liquid crystal composite

Publications (2)

Publication Number Publication Date
MX9604250A true MX9604250A (es) 1998-05-31
MXPA96004250A MXPA96004250A (es) 1998-10-23

Family

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Also Published As

Publication number Publication date
CA2186228C (en) 2005-10-18
KR100370283B1 (ko) 2003-04-08
US5405551A (en) 1995-04-11
JP3583135B2 (ja) 2004-10-27
DE69520139T2 (de) 2001-09-27
JPH09510746A (ja) 1997-10-28
EP0751982A1 (en) 1997-01-08
EP0751982B1 (en) 2001-02-21
CA2186228A1 (en) 1995-09-28
HK1011703A1 (en) 1999-07-16
WO1995025778A1 (en) 1995-09-28
DE69520139D1 (de) 2001-03-29

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