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 JP2007173263A external-priority patent/JP5205000B2/ja
Priority claimed from JP2007173264A external-priority patent/JP2009014776A/ja
Priority claimed from JP2007274454A external-priority patent/JP2009104852A/ja
Priority claimed from JP2008029528A external-priority patent/JP2009186931A/ja
Priority claimed from JP2008029527A external-priority patent/JP2009186930A/ja
Application filed by Asahi Kasei E-Materials Corporation filed Critical Asahi Kasei E-Materials Corporation
Priority to US12/663,171 priority Critical patent/US8358468B2/en
Priority to CN2008800190085A priority patent/CN101680974B/zh
Priority to EP20080765153 priority patent/EP2166382A1/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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    • 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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    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
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    • 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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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)

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

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
JP2007149408 2007-06-05
JP2007-149408 2007-06-05
JP2007-149407 2007-06-05
JP2007149407 2007-06-05
JP2007-173264 2007-06-29
JP2007173263A JP5205000B2 (ja) 2007-06-29 2007-06-29 反射シート
JP2007173264A JP2009014776A (ja) 2007-06-29 2007-06-29 反射シート
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