TWI455966B - 薄膜 - Google Patents

薄膜 Download PDF

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Publication number
TWI455966B
TWI455966B TW97134707A TW97134707A TWI455966B TW I455966 B TWI455966 B TW I455966B TW 97134707 A TW97134707 A TW 97134707A TW 97134707 A TW97134707 A TW 97134707A TW I455966 B TWI455966 B TW I455966B
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TW
Taiwan
Prior art keywords
film
polylactic acid
component
δhms
following formula
Prior art date
Application number
TW97134707A
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English (en)
Other versions
TW200932799A (en
Inventor
Kohei Endo
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Publication of TW200932799A publication Critical patent/TW200932799A/zh
Application granted granted Critical
Publication of TWI455966B publication Critical patent/TWI455966B/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • 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
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • 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
    • C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y10T428/31797—Next to addition polymer from unsaturated monomers

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polarising Elements (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Claims (9)

  1. 一種薄膜，其特徵係，由含有由聚L-乳酸及聚D-乳酸形成之聚乳酸(A成份)與丙烯酸系樹脂(B成份)，差示掃描熱量計(DSC)測定下於190℃以上具有結晶熔化峰之樹脂組成物所形成；藉由動態黏彈性(DMA)測定之貯藏彈性率E’為，常溫(25℃)至150℃之溫度範圍內未發現極小值，且具有大於0.5×108 Pa之值；90℃下熱處理5小時後之濁度為6.0以下。
  2. 如申請專利範圍第1項之薄膜，其中聚乳酸(A成份)與丙烯酸系樹脂(B成份)之比率為，重量比(A成份/B成份)為90/10至50/50的範圍。
  3. 如申請專利範圍第1或2項之薄膜，其中光彈性係數之絕對值未達10×10-12 /Pa。
  4. 如申請專利範圍第1或2項之薄膜，其中下述式(ii)所定義之薄膜的面方向相位差(Re)，及下述式(iii)所定義之厚度方向相位差(Rth)同為10nm以下，Re=(nx-ny)×d (ii) Rth=((nx+ny)/2-nz)×d (iii)(式中，nx為長度方向之折射率，ny為寬度方向之折射率，nz為厚度方向之折射率，d為厚度(nm))。
  5. 如申請專利範圍第1或2項之薄膜，其中以下述式(i)所定義之立體化度(S)為80%以上，S(%)=[△Hms/(△Hmh+△Hms)]×100 (i)(式中，△Hms為立體配位相聚乳酸之結晶熔化熱函數( J/g)，△Hmh為均相聚乳酸之結晶熔化熱函數(J/g))。
  6. 如申請專利範圍第1或2項之薄膜，其中90℃下處理5小時時之縱方向及橫方向的收縮率同為5%以下。
  7. 如申請專利範圍第1或2項之薄膜，其中下述式(iv)所定義之立體結晶化度(K)為10至60%，K=(△Hms-△Hc)/142 (iv)(式中，△Hms為立體配位相聚乳酸之結晶熔化熱函數(J/g)，△Hc為聚乳酸結晶化熱函數(J/g)，142(J/g)為立體配位相聚乳酸結晶之平衡熔化熱函數)。
  8. 一種偏光板保護膜，其特徵係由，如申請專利範圍第1至7項中任何一項之薄膜形成。
  9. 一種相位差薄膜，其特徵係由，如申請專利範圍第1至8項中任何一項之薄膜形成。
TW97134707A 2007-09-10 2008-09-10 薄膜 TWI455966B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007234059 2007-09-10

Publications (2)

Publication Number Publication Date
TW200932799A TW200932799A (en) 2009-08-01
TWI455966B true TWI455966B (zh) 2014-10-11

Family

ID=40452132

Family Applications (1)

Application Number Title Priority Date Filing Date
TW97134707A TWI455966B (zh) 2007-09-10 2008-09-10 薄膜

Country Status (8)

Country Link
US (1) US8647738B2 (zh)
EP (1) EP2189493A4 (zh)
JP (1) JP5492561B2 (zh)
KR (1) KR101546978B1 (zh)
CN (1) CN101802057B (zh)
HK (1) HK1143985A1 (zh)
TW (1) TWI455966B (zh)
WO (1) WO2009035127A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5541853B2 (ja) * 2008-09-29 2014-07-09 帝人株式会社 ポリ乳酸フィルム及びその製造方法
US8748543B2 (en) * 2008-09-29 2014-06-10 Teijin Limited Polylactic acid film
JP2011162713A (ja) * 2010-02-12 2011-08-25 Teijin Ltd 白色二軸延伸ポリ乳酸フィルム
JP2012000808A (ja) * 2010-06-15 2012-01-05 Teijin Ltd 透明導電性積層体
US10655003B2 (en) * 2010-10-14 2020-05-19 Lg Chem, Ltd. Resin blend for melting process
KR101241014B1 (ko) 2011-07-29 2013-03-11 한국기술교육대학교 산학협력단 용액캐스팅 법을 이용한 폴리유산 스테레오컴플렉스 제조방법
EP2786864B1 (en) * 2011-11-30 2016-07-20 Toray Industries, Inc. Polylactic acid resin sheet and molded body
JP6403936B2 (ja) * 2012-08-08 2018-10-10 住友化学株式会社 偏光板及びそれを用いた液晶表示パネル
KR101465760B1 (ko) * 2013-02-06 2014-12-01 성균관대학교산학협력단 개선된 폴리에스테르계 필름, 및 이의 제조 방법
CN105339155A (zh) * 2013-06-27 2016-02-17 地方独立行政法人大阪市立工业研究所 聚乳酸系树脂膜的制造方法
JP6313674B2 (ja) * 2013-07-05 2018-04-18 富士フイルム株式会社 偏光板および液晶表示装置
WO2017170446A1 (ja) * 2016-03-29 2017-10-05 リンテック株式会社 両面粘着シート
JP6481728B2 (ja) * 2017-08-09 2019-03-13 住友化学株式会社 偏光板及びそれを用いた液晶表示パネル
CN109912945B (zh) * 2018-11-19 2021-04-30 江苏科技大学 一种高分子量聚乳酸材料及其制备方法

Citations (2)

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TW200641028A (en) * 2005-01-18 2006-12-01 Asahi Kasei Chemicals Corp Resin composition for optical materials
TW200732690A (en) * 2005-11-28 2007-09-01 Asahi Kasei Chemicals Corp Optical film

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JP2004107630A (ja) * 2002-07-24 2004-04-08 Toray Ind Inc ポリ乳酸系フィルム
EP1721936B1 (en) * 2004-03-05 2012-05-02 Mitsubishi Rayon Co., Ltd. Thermoplastic resin composition and molded article comprising the same
KR101240218B1 (ko) * 2004-07-22 2013-03-07 데이진 가부시키가이샤 폴리락트산 및 그 제조 방법
JP5008015B2 (ja) 2004-12-27 2012-08-22 株式会社豊田中央研究所 脂肪族ポリエステル組成物及びその成形体
JP2006227090A (ja) * 2005-02-15 2006-08-31 Asahi Kasei Chemicals Corp 偏光板保護フィルム
JP2006243610A (ja) 2005-03-07 2006-09-14 Asahi Kasei Chemicals Corp 位相差フィルム
JP5135742B2 (ja) 2005-09-30 2013-02-06 東レ株式会社 樹脂組成物およびそれからなる成形品
JP5376749B2 (ja) * 2005-10-26 2013-12-25 帝人株式会社 ポリ乳酸フィルム
JP5140988B2 (ja) 2005-12-22 2013-02-13 東レ株式会社 樹脂組成物およびそれからなる成形品
JP5150052B2 (ja) * 2006-01-20 2013-02-20 帝人株式会社 ポリ乳酸組成物の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200641028A (en) * 2005-01-18 2006-12-01 Asahi Kasei Chemicals Corp Resin composition for optical materials
TW200732690A (en) * 2005-11-28 2007-09-01 Asahi Kasei Chemicals Corp Optical film

Also Published As

Publication number Publication date
WO2009035127A1 (ja) 2009-03-19
CN101802057A (zh) 2010-08-11
EP2189493A4 (en) 2015-07-22
US8647738B2 (en) 2014-02-11
JP5492561B2 (ja) 2014-05-14
JPWO2009035127A1 (ja) 2010-12-24
CN101802057B (zh) 2014-09-24
KR20100057774A (ko) 2010-06-01
EP2189493A1 (en) 2010-05-26
TW200932799A (en) 2009-08-01
KR101546978B1 (ko) 2015-08-24
US20100182694A1 (en) 2010-07-22
HK1143985A1 (en) 2011-01-21

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