WO2008149919A1 - 反射シート - Google Patents

反射シート Download PDF

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Publication number
WO2008149919A1
WO2008149919A1 PCT/JP2008/060340 JP2008060340W WO2008149919A1 WO 2008149919 A1 WO2008149919 A1 WO 2008149919A1 JP 2008060340 W JP2008060340 W JP 2008060340W WO 2008149919 A1 WO2008149919 A1 WO 2008149919A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer portion
reflective sheet
polyolefin resin
surface layer
inner layer
Prior art date
Application number
PCT/JP2008/060340
Other languages
English (en)
French (fr)
Inventor
Shinya Hamasaki
Yuuichi Arito
Kenji Takasa
Tsumoru Kuwabara
Original Assignee
Asahi Kasei E-Materials Corporation
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
Priority claimed from JP2007173264A external-priority patent/JP2009014776A/ja
Priority claimed from JP2007173263A external-priority patent/JP5205000B2/ja
Priority claimed from JP2007274454A external-priority patent/JP2009104852A/ja
Priority claimed from JP2008029527A external-priority patent/JP2009186930A/ja
Priority claimed from JP2008029528A external-priority patent/JP2009186931A/ja
Application filed by Asahi Kasei E-Materials Corporation filed Critical Asahi Kasei E-Materials Corporation
Priority to CN2008800190085A priority Critical patent/CN101680974B/zh
Priority to EP20080765153 priority patent/EP2166382A1/en
Priority to US12/663,171 priority patent/US8358468B2/en
Publication of WO2008149919A1 publication Critical patent/WO2008149919A1/ja

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Classifications

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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
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    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B7/02—Physical, chemical or physicochemical properties
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    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
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    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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    • 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
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    • 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
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    • Y10T428/249987—With nonvoid component of specified composition
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Abstract

　本発明の反射シートは、少なくとも表層部及び内層部を含み、前記表層部が０．３ｇ／ｍ２～２０ｇ／ｍ２の無機粉末及びポリオレフィン系樹脂（Ｃ）を少なくとも含み、前記内層部がポリオレフィン系樹脂（Ａ）及び前記ポリオレフィン系樹脂（Ａ）の延伸可能な温度において前記ポリオレフィン系樹脂（Ａ）と非相溶である樹脂（Ｂ）の少なくとも１種を含んでおり、前記表層部において、（ｎ１－ｎ２）／ｎ２≧０．２０（ｎ１：無機粉末の屈折率、ｎ２：ポリオレフィン系樹脂（Ｃ）の屈折率）を満足し、前記内層部に孔を有することを特徴とする。
PCT/JP2008/060340 2007-06-05 2008-06-05 反射シート WO2008149919A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2008800190085A CN101680974B (zh) 2007-06-05 2008-06-05 反射片
EP20080765153 EP2166382A1 (en) 2007-06-05 2008-06-05 Reflective sheet
US12/663,171 US8358468B2 (en) 2007-06-05 2008-06-05 Reflecting sheet

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
JP2007149407 2007-06-05
JP2007-149408 2007-06-05
JP2007-149407 2007-06-05
JP2007149408 2007-06-05
JP2007-173264 2007-06-29
JP2007-173263 2007-06-29
JP2007173264A JP2009014776A (ja) 2007-06-29 2007-06-29 反射シート
JP2007173263A JP5205000B2 (ja) 2007-06-29 2007-06-29 反射シート
JP2007274454A JP2009104852A (ja) 2007-10-22 2007-10-22 反射体
JP2007-274454 2007-10-22
JP2008029527A JP2009186930A (ja) 2008-02-08 2008-02-08 反射シートの製造方法
JP2008-029527 2008-02-08
JP2008-029528 2008-02-08
JP2008029528A JP2009186931A (ja) 2008-02-08 2008-02-08 反射シート
JP2008-081876 2008-03-26
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CN101680974A (zh) 2010-03-24
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CN101680974B (zh) 2011-11-23

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