WO2006128091A3 - Multilayer laminates comprising twisted nematic liquid crystals - Google Patents

Multilayer laminates comprising twisted nematic liquid crystals Download PDF

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Publication number
WO2006128091A3
WO2006128091A3 PCT/US2006/020655 US2006020655W WO2006128091A3 WO 2006128091 A3 WO2006128091 A3 WO 2006128091A3 US 2006020655 W US2006020655 W US 2006020655W WO 2006128091 A3 WO2006128091 A3 WO 2006128091A3
Authority
WO
WIPO (PCT)
Prior art keywords
multilayer laminates
layers
nematic liquid
twisted nematic
liquid crystals
Prior art date
Application number
PCT/US2006/020655
Other languages
French (fr)
Other versions
WO2006128091A2 (en
Inventor
Lee A Silverman
Marc B Goldfinger
Richard A Hayes
Original Assignee
Du Pont
Lee A Silverman
Marc B Goldfinger
Richard A Hayes
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 Du Pont, Lee A Silverman, Marc B Goldfinger, Richard A Hayes filed Critical Du Pont
Priority to JP2008513800A priority Critical patent/JP2008542065A/en
Priority to EP20060771426 priority patent/EP1885556A2/en
Priority to AU2006249383A priority patent/AU2006249383A1/en
Publication of WO2006128091A2 publication Critical patent/WO2006128091A2/en
Publication of WO2006128091A3 publication Critical patent/WO2006128091A3/en

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    • 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
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
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    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
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    • 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
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Abstract

Provided are multilayer laminates having one or more layers comprising twisted nematic liquid crystals and one or more layers of a polymeric sheet comprising a polymer with a modulus of 20,000 psi (138 MPa) or less. The twisted nematic liquid crystal layers reflect infrared radiation. Thus, the multilayer laminates are useful to reduce the transmission of infrared energy. For example, in some embodiments the multilayer laminates are useful as windows to reduce energy consumption necessary to cool the interior of a structure such as an automobile or building. Preferably, the multilayer laminates retain the beneficial properties of safety glass. The multilayer laminates may include additional layers such as infrared absorbing layers, half wave plates, and the like, to minimize the transmission of infrared energy. The multilayer laminates may also include further additional layers such as polymeric films, polymeric sheets, rigid sheets, and the like.
PCT/US2006/020655 2005-05-26 2006-05-26 Multilayer laminates comprising twisted nematic liquid crystals WO2006128091A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008513800A JP2008542065A (en) 2005-05-26 2006-05-26 Multilayer laminates containing twisted nematic liquid crystals
EP20060771426 EP1885556A2 (en) 2005-05-26 2006-05-26 Multilayer laminates comprising twisted nematic liquid crystals
AU2006249383A AU2006249383A1 (en) 2005-05-26 2006-05-26 Multilayer laminates comprising twisted nematic liquid crystals

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US68529205P 2005-05-26 2005-05-26
US60/685,292 2005-05-26
US68571905P 2005-05-27 2005-05-27
US60/685,719 2005-05-27
US75497805P 2005-12-29 2005-12-29
US75467805P 2005-12-29 2005-12-29
US75490405P 2005-12-29 2005-12-29
US60/754,678 2005-12-29
US60/754,978 2005-12-29
US60/754,904 2005-12-29

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WO2006128091A2 WO2006128091A2 (en) 2006-11-30
WO2006128091A3 true WO2006128091A3 (en) 2007-03-29

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EP (1) EP1885556A2 (en)
JP (1) JP2008542065A (en)
AU (1) AU2006249383A1 (en)
WO (1) WO2006128091A2 (en)

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