WO2002095456A3 - Multilayer optical films comprising polymers having low glass transition temperatures (tg) - Google Patents

Multilayer optical films comprising polymers having low glass transition temperatures (tg) Download PDF

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Publication number
WO2002095456A3
WO2002095456A3 PCT/US2002/015912 US0215912W WO02095456A3 WO 2002095456 A3 WO2002095456 A3 WO 2002095456A3 US 0215912 W US0215912 W US 0215912W WO 02095456 A3 WO02095456 A3 WO 02095456A3
Authority
WO
WIPO (PCT)
Prior art keywords
polymers
glass transition
transition temperatures
multilayer optical
optical films
Prior art date
Application number
PCT/US2002/015912
Other languages
French (fr)
Other versions
WO2002095456A2 (en
Inventor
Timothy J Hebrink
Nagraj Koneripalli
James M Jonza
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
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to DE60213599T priority Critical patent/DE60213599T2/en
Priority to EP02731871A priority patent/EP1399767B1/en
Priority to AU2002303812A priority patent/AU2002303812B2/en
Publication of WO2002095456A2 publication Critical patent/WO2002095456A2/en
Publication of WO2002095456A3 publication Critical patent/WO2002095456A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
    • G02B5/0825—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only
    • G02B5/0841—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only comprising organic materials, e.g. polymers
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G02B5/287—Interference filters comprising deposited thin solid films comprising at least one layer of organic material
    • 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
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree

Abstract

Multilayer optical films are comprised of materials with glass transition temperatures (tg) below room temperature (<30°C). The high refractive index polymers are unique in that they exhibit mechanical properties similar to other low Tg semi-crystalline polymers, yet have significant birefringence (>0.05) when strain induced oriented. Novel combinations of comonomers for thermoplastics control the rate of crystallinity for improved processability and flexibility, giving the films crease and crumple recovery advantages.
PCT/US2002/015912 2001-05-24 2002-05-16 Multilayer optical films comprising polymers having low glass transition temperatures (tg) WO2002095456A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE60213599T DE60213599T2 (en) 2001-05-24 2002-05-16 MULTILAYER OPTICAL FILM CONTAINING POLYMERS WITH LOW GLASS TRANSITION TEMPERATURES (TG)
EP02731871A EP1399767B1 (en) 2001-05-24 2002-05-16 Multilayer optical films comprising polymers having low glass transition temperatures (tg)
AU2002303812A AU2002303812B2 (en) 2001-05-24 2002-05-16 Multilayer optical films comprising polymers having low glass transition temperatures (tg)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29329401P 2001-05-24 2001-05-24
US60/293,294 2001-05-24
US10/139,893 2002-05-06
US10/139,893 US7052762B2 (en) 2001-05-24 2002-05-06 Low Tg multilayer optical films

Publications (2)

Publication Number Publication Date
WO2002095456A2 WO2002095456A2 (en) 2002-11-28
WO2002095456A3 true WO2002095456A3 (en) 2003-01-16

Family

ID=26837642

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/015912 WO2002095456A2 (en) 2001-05-24 2002-05-16 Multilayer optical films comprising polymers having low glass transition temperatures (tg)

Country Status (8)

Country Link
US (1) US7052762B2 (en)
EP (1) EP1399767B1 (en)
CN (1) CN100414319C (en)
AT (1) ATE335212T1 (en)
AU (1) AU2002303812B2 (en)
DE (1) DE60213599T2 (en)
TW (1) TW577832B (en)
WO (1) WO2002095456A2 (en)

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US8012571B2 (en) * 2008-05-02 2011-09-06 3M Innovative Properties Company Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units
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Also Published As

Publication number Publication date
TW577832B (en) 2004-03-01
DE60213599D1 (en) 2006-09-14
DE60213599T2 (en) 2007-08-09
CN1547674A (en) 2004-11-17
AU2002303812B2 (en) 2007-01-25
US20030072931A1 (en) 2003-04-17
CN100414319C (en) 2008-08-27
US7052762B2 (en) 2006-05-30
ATE335212T1 (en) 2006-08-15
WO2002095456A2 (en) 2002-11-28
EP1399767A2 (en) 2004-03-24
EP1399767B1 (en) 2006-08-02

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