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WO2008093478A1 - 表面光拡散性ポリエステルフィルム - Google Patents

表面光拡散性ポリエステルフィルム Download PDF

Info

Publication number
WO2008093478A1
WO2008093478A1 PCT/JP2007/074434 JP2007074434W WO2008093478A1 WO 2008093478 A1 WO2008093478 A1 WO 2008093478A1 JP 2007074434 W JP2007074434 W JP 2007074434W WO 2008093478 A1 WO2008093478 A1 WO 2008093478A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
polyester
diffusing
light
polyester film
Prior art date
Application number
PCT/JP2007/074434
Other languages
English (en)
French (fr)
Inventor
Shunichiro Baba
Yasushi Sasaki
Mutsuo Nishi
Shiro Hamamoto
Katsuya Ito
Harunobu Kuroiwa
Katsuhiko Nose
Original Assignee
Toyo Boseki Kabushiki Kaisha
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 JP2007316712A external-priority patent/JP4257619B2/ja
Application filed by Toyo Boseki Kabushiki Kaisha filed Critical Toyo Boseki Kabushiki Kaisha
Priority to CN2007800501338A priority Critical patent/CN101600977B/zh
Publication of WO2008093478A1 publication Critical patent/WO2008093478A1/ja

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

　（１）結晶性ホモポリエステル、または共重合成分を含む結晶性ポリエステルからなる支持層と、該支持層の少なくとも片面に共押出法で積層された、融点が２３５～２５５°Cである共重合成分を含む結晶性ポリエステル５０～９９質量部と該ポリエステルに非相溶性の添加剤１～５０質量部との配合組成物からなる光拡散層とを有し、（２）フィルムの面配向係数ΔＰが０．０８～０．１６であり、（３）表面ヘーズが１５％以上、（４）内部ヘーズが表面ヘーズ未満、（５）１５０°Cにおける寸法変化率が３％以下、引張強さが１００ＭＰａ以上であること、を特徴とする二軸配向ポリエステルフィルムよりなる光拡散性ポリエステルフィルム。
PCT/JP2007/074434 2007-01-31 2007-12-19 表面光拡散性ポリエステルフィルム WO2008093478A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007800501338A CN101600977B (zh) 2007-01-31 2007-12-19 表面光扩散性聚酯膜

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2007021798 2007-01-31
JP2007-021798 2007-01-31
JP2007-118424 2007-04-27
JP2007118424 2007-04-27
JP2007191907 2007-07-24
JP2007-191907 2007-07-24
JP2007-316712 2007-12-07
JP2007316712A JP4257619B2 (ja) 2007-01-31 2007-12-07 表面光拡散性ポリエステルフィルム

Publications (1)

Publication Number Publication Date
WO2008093478A1 true WO2008093478A1 (ja) 2008-08-07

Family

ID=39673794

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074434 WO2008093478A1 (ja) 2007-01-31 2007-12-19 表面光拡散性ポリエステルフィルム

Country Status (1)

Country Link
WO (1) WO2008093478A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010016542A1 (ja) * 2008-08-06 2010-02-11 東洋紡績株式会社 表面光拡散性ポリエステルフィルム
JP2010085844A (ja) * 2008-10-01 2010-04-15 Teijin Dupont Films Japan Ltd 光学用積層フィルム
JP2010107765A (ja) * 2008-10-30 2010-05-13 Teijin Dupont Films Japan Ltd 光学用積層フィルム
JP2010107766A (ja) * 2008-10-30 2010-05-13 Teijin Dupont Films Japan Ltd 光学用積層フィルム
JP2010117558A (ja) * 2008-11-13 2010-05-27 Teijin Dupont Films Japan Ltd 光学用積層フィルム
JP2010162731A (ja) * 2009-01-14 2010-07-29 Teijin Dupont Films Japan Ltd 光学用積層フィルム

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11268211A (ja) * 1998-03-19 1999-10-05 Toray Ind Inc 光拡散ポリエステルフィルム
JP2004174788A (ja) * 2002-11-26 2004-06-24 Toray Ind Inc 二軸配向積層ポリエステルフィルム
JP2004230894A (ja) * 2003-01-28 2004-08-19 Mitsubishi Polyester Film Gmbh ポリエステルフィルム及びその製造方法
JP2005181648A (ja) * 2003-12-19 2005-07-07 Mitsubishi Polyester Film Copp プリズムシート用光散乱性ポリエテルフィルム
WO2007074853A1 (ja) * 2005-12-28 2007-07-05 Toyo Boseki Kabushiki Kaisha 光拡散性フィルムの製造方法および光拡散性フィルム
WO2007114258A1 (ja) * 2006-03-31 2007-10-11 Toyo Boseki Kabushiki Kaisha 光拡散性フィルム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11268211A (ja) * 1998-03-19 1999-10-05 Toray Ind Inc 光拡散ポリエステルフィルム
JP2004174788A (ja) * 2002-11-26 2004-06-24 Toray Ind Inc 二軸配向積層ポリエステルフィルム
JP2004230894A (ja) * 2003-01-28 2004-08-19 Mitsubishi Polyester Film Gmbh ポリエステルフィルム及びその製造方法
JP2005181648A (ja) * 2003-12-19 2005-07-07 Mitsubishi Polyester Film Copp プリズムシート用光散乱性ポリエテルフィルム
WO2007074853A1 (ja) * 2005-12-28 2007-07-05 Toyo Boseki Kabushiki Kaisha 光拡散性フィルムの製造方法および光拡散性フィルム
WO2007114258A1 (ja) * 2006-03-31 2007-10-11 Toyo Boseki Kabushiki Kaisha 光拡散性フィルム

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010016542A1 (ja) * 2008-08-06 2010-02-11 東洋紡績株式会社 表面光拡散性ポリエステルフィルム
JP2010085844A (ja) * 2008-10-01 2010-04-15 Teijin Dupont Films Japan Ltd 光学用積層フィルム
JP2010107765A (ja) * 2008-10-30 2010-05-13 Teijin Dupont Films Japan Ltd 光学用積層フィルム
JP2010107766A (ja) * 2008-10-30 2010-05-13 Teijin Dupont Films Japan Ltd 光学用積層フィルム
JP2010117558A (ja) * 2008-11-13 2010-05-27 Teijin Dupont Films Japan Ltd 光学用積層フィルム
JP2010162731A (ja) * 2009-01-14 2010-07-29 Teijin Dupont Films Japan Ltd 光学用積層フィルム

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