WO2002031541A3 - Method for making optical devices from homopolymers - Google Patents

Method for making optical devices from homopolymers Download PDF

Info

Publication number
WO2002031541A3
WO2002031541A3 PCT/US2001/030681 US0130681W WO0231541A3 WO 2002031541 A3 WO2002031541 A3 WO 2002031541A3 US 0130681 W US0130681 W US 0130681W WO 0231541 A3 WO0231541 A3 WO 0231541A3
Authority
WO
WIPO (PCT)
Prior art keywords
homopolymers
optical devices
making optical
blend
continuous
Prior art date
Application number
PCT/US2001/030681
Other languages
French (fr)
Other versions
WO2002031541A2 (en
Inventor
Richard C Allen
Susan L Kent
Ronald J Tabar
Elisa M Cross
William W Merrill
Stephen A Johnson
Peter D Condo
Timothy J Hebrink
Joseph A Gangi
Original Assignee
3M Innovative Properties Co
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 US09/686,498 external-priority patent/US6673275B1/en
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to AU2001296447A priority Critical patent/AU2001296447A1/en
Priority to KR10-2003-7005054A priority patent/KR20030045823A/en
Priority to EP01977319A priority patent/EP1327165A2/en
Priority to JP2002534873A priority patent/JP4347562B2/en
Publication of WO2002031541A2 publication Critical patent/WO2002031541A2/en
Publication of WO2002031541A3 publication Critical patent/WO2002031541A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Abstract

An improved optical film having a continuous/disperse phase morphology and a method for making the same is provided. At least one of the continuous and disperse phases comprises a blend of homopolymers which are inter-reacted, as by transesterification. The resulting films exhibit a higher degree of birefringence for a given level of strain than analogous films in which the blend is replaced by a random copolymer.
PCT/US2001/030681 2000-10-11 2001-10-01 Method for making optical devices from homopolymers WO2002031541A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2001296447A AU2001296447A1 (en) 2000-10-11 2001-10-01 Method for making optical devices from homopolymers
KR10-2003-7005054A KR20030045823A (en) 2000-10-11 2001-10-01 Method for making optical devices from homopolymers
EP01977319A EP1327165A2 (en) 2000-10-11 2001-10-01 Method for making optical devices from homopolymers
JP2002534873A JP4347562B2 (en) 2000-10-11 2001-10-01 Method for producing an optical element from a homopolymer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/686,498 US6673275B1 (en) 1999-10-12 2000-10-11 Method for making optical devices from homopolymers
US09/686,498 2000-10-11

Publications (2)

Publication Number Publication Date
WO2002031541A2 WO2002031541A2 (en) 2002-04-18
WO2002031541A3 true WO2002031541A3 (en) 2002-10-31

Family

ID=24756537

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/030681 WO2002031541A2 (en) 2000-10-11 2001-10-01 Method for making optical devices from homopolymers

Country Status (6)

Country Link
EP (1) EP1327165A2 (en)
JP (1) JP4347562B2 (en)
KR (1) KR20030045823A (en)
CN (1) CN1311248C (en)
AU (1) AU2001296447A1 (en)
WO (1) WO2002031541A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583440B2 (en) * 2006-06-05 2009-09-01 Skc Haas Display Films Co., Ltd. Diffusely-reflecting polarizer having nearly isotropic continuous phase
US9046656B2 (en) 2008-11-18 2015-06-02 3M Innovative Properties Company Isotropic layer of multilayer optical film comprising birefringent thermoplastic polymer
CN110845711B (en) * 2019-07-19 2021-10-29 江建明 Control method and application of PET average sequence length in PET-PA6

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546320A (en) * 1968-03-25 1970-12-08 Sun Oil Co Polyalkylene terephthalate molding composition
US3937754A (en) * 1972-07-25 1976-02-10 Teijin Ltd Biaxially oriented polyethylene-2,6-naphthalate film containing another polyester resin and process for its production
WO1992002584A1 (en) * 1990-07-30 1992-02-20 Eastman Kodak Company Blends of poly(ethylene terephthalate) and poly(ethylene naphthalenedicarboxylate) containing a phosphorous stabilizer
WO1996035571A1 (en) * 1995-05-09 1996-11-14 Hoechst Celanese Corporation Transesterified pet/pen via melt extrusion
WO1998024844A1 (en) * 1996-12-06 1998-06-11 Continental Pet Technologies, Inc. Process for making pen/pet blends and transparent articles therefrom
WO1999036812A1 (en) * 1998-01-13 1999-07-22 Minnesota Mining And Manufacturing Company An optical film and process for manufacture thereof
WO2000007043A1 (en) * 1998-07-31 2000-02-10 3M Innovative Properties Company Post-forming continuous/disperse phase optical bodies

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546320A (en) * 1968-03-25 1970-12-08 Sun Oil Co Polyalkylene terephthalate molding composition
US3937754A (en) * 1972-07-25 1976-02-10 Teijin Ltd Biaxially oriented polyethylene-2,6-naphthalate film containing another polyester resin and process for its production
WO1992002584A1 (en) * 1990-07-30 1992-02-20 Eastman Kodak Company Blends of poly(ethylene terephthalate) and poly(ethylene naphthalenedicarboxylate) containing a phosphorous stabilizer
WO1996035571A1 (en) * 1995-05-09 1996-11-14 Hoechst Celanese Corporation Transesterified pet/pen via melt extrusion
WO1998024844A1 (en) * 1996-12-06 1998-06-11 Continental Pet Technologies, Inc. Process for making pen/pet blends and transparent articles therefrom
WO1999036812A1 (en) * 1998-01-13 1999-07-22 Minnesota Mining And Manufacturing Company An optical film and process for manufacture thereof
WO2000007043A1 (en) * 1998-07-31 2000-02-10 3M Innovative Properties Company Post-forming continuous/disperse phase optical bodies

Also Published As

Publication number Publication date
KR20030045823A (en) 2003-06-11
EP1327165A2 (en) 2003-07-16
CN1468380A (en) 2004-01-14
WO2002031541A2 (en) 2002-04-18
CN1311248C (en) 2007-04-18
JP2004511628A (en) 2004-04-15
JP4347562B2 (en) 2009-10-21
AU2001296447A1 (en) 2002-04-22

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