CA2448439A1 - Color stable pigmented polymeric films having dyes for color adjustment - Google Patents

Color stable pigmented polymeric films having dyes for color adjustment Download PDF

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Publication number
CA2448439A1
CA2448439A1 CA 2448439 CA2448439A CA2448439A1 CA 2448439 A1 CA2448439 A1 CA 2448439A1 CA 2448439 CA2448439 CA 2448439 CA 2448439 A CA2448439 A CA 2448439A CA 2448439 A1 CA2448439 A1 CA 2448439A1
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CA
Canada
Prior art keywords
film
value
optical film
color
polymer material
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA 2448439
Other languages
French (fr)
Other versions
CA2448439C (en
Inventor
Daniel J. Mcgurran
James A. Olson
Mark N. Schaeffer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2448439A1 publication Critical patent/CA2448439A1/en
Application granted granted Critical
Publication of CA2448439C publication Critical patent/CA2448439C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • 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
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • 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
    • B32B2398/00—Unspecified macromolecular compounds
    • B32B2398/20—Thermoplastics
    • 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
    • B32B2551/00—Optical elements
    • B32B2551/08—Mirrors
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/259—Silicic material
    • 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.]

Abstract

Color-stable, pigmented optical bodies comprising a single or multiple layer core having at least one layer of a thermoplastic polymer material. The thermoplastic polymer material has dispersed within it a particulate pigment.
The optical bodies generally possess high clarity and low haze and exhibit a transmission of light within a wavelength band of interest within the visible spectrum of from about 10 to about 90 percent. The optical bodies also comprise one or more dyes in an amount sufficient to adjust transmitted color, by no more than about 15 units of the color coordinate a* and no more than about 15 units of the color coordinate b*, to a target color such as neutral gray.

Claims (21)

1. A pigmented optical film comprising at least one layer of an oriented thermoplastic polymer material, wherein dispersed within the polymer material is. between 0.01 and 1 percent by weight of a particulate pigment having a mean diameter no more than 500 nm, wherein the optical film exhibits a transmission of light within a wavelength band of interest within the visible spectrum of from 5% to 80%, wherein the dispersed particulate pigment imparts a substantial transmitted color to the optical film, the optical film further-comprising at least one dye added in an amount sufficient to adjust the transmitted color of the optical film to a substantially neutral gray but low enough to exhibit a minor effect on the percent transmission of the optical film compared to the effect of the particulate pigment.
2. The film of claim 1, wherein the optical film has an a* value and a b*
value in the range of ~ 5.
3. The film of claim 2, wherein the optical film has an a* value and a b*
value in the range of ~ 3.
4. The film of claim 3, wherein the optical film has an a* value and a b*
value in the range of ~ 1.
5. The film of claim 1, wherein the optical film has an a* value and a b*
value in the range of -1.5 ~ 5.
6. The film of claim 5, wherein the optical film has an a* value and a b*
value in the range of -1.5 ~ 3.
7. The film of claim 6, wherein the optical film has an a* value and a b*
value in the range of-1.5 ~ 1.
8. The film claim 1, wherein the particulate pigment has a mean diameter of no more than 300 nm.
9. The film of claim 8, wherein the particulate pigment has a mean diameter of no more than 100 nm.
10. The film of claim 1, wherein the film exhibits an internal haze of no more than 5%.
11. The film of claim 1, wherein the at least one dye is disposed in the at least one layer of thermoplastic polymer material.
12. The film claim 1, wherein the at least one dye is co-polymerized in the polymer material.
13. The film of claim 1, wherein the at least one dye adjusts the transmitted color of the optical film by no more than 15 units of a* and by no more than 15 units of b*.
14. A pigmented optical film comprising at least one layer of an oriented thermoplastic polymer material having dispersed therein a particulate pigment in an amount effective to produce a tint perceptible to an observer, wherein the optical film exhibits a transmission of light within a wavelength band of interest within the visible spectrum from 5 to 80%
and.
exhibits an internal haze of less than or equal to 5%, the optical film further comprising at least one dye in an amount effective to adjust the color of the optical film no more than
15 units of a* and by no more than 15 units of b*.

15. The film of claim 14, wherein the film has a substantially neutral gray color.
16. The film of claim 15, wherein the film has an a* value and a b* value in the range of -1.5 ~ 1.
17. The film of claim 14 wherein the at least one layer is a single layer and the optical film consists essentially of the single layer.
18. The film of claim 14, wherein the particulate pigment has a mean diameter of no more than 500 nm.
19. The film of claim 14, wherein the at least one dye is disposed in the at least one layer of thermoplastic polymer material.
20. The film of claim 14, wherein the at least one dye is co-polymerized in the polymer material.
21. An optical of either claim 1 or claim 14 to a rigid window member. [laminated]
CA 2448439 2001-06-01 2002-03-14 Color stable pigmented polymeric films having dyes for color adjustment Expired - Fee Related CA2448439C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/872,532 US20030017326A1 (en) 2001-06-01 2001-06-01 Color stable pigmented polymeric films having dyes for color adjustment
US09/872,532 2001-06-01
PCT/US2002/007601 WO2002098959A1 (en) 2001-06-01 2002-03-14 Color stable pigmented polymeric films having dyes for color adjustment

Publications (2)

Publication Number Publication Date
CA2448439A1 true CA2448439A1 (en) 2002-12-12
CA2448439C CA2448439C (en) 2010-09-14

Family

ID=25359766

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2448439 Expired - Fee Related CA2448439C (en) 2001-06-01 2002-03-14 Color stable pigmented polymeric films having dyes for color adjustment

Country Status (10)

Country Link
US (1) US20030017326A1 (en)
EP (1) EP1392763A1 (en)
JP (1) JP4322111B2 (en)
KR (1) KR100881485B1 (en)
CN (1) CN100335530C (en)
AU (1) AU2002247323B2 (en)
BR (1) BR0209788A (en)
CA (1) CA2448439C (en)
MX (1) MXPA03010823A (en)
WO (1) WO2002098959A1 (en)

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US6811867B1 (en) * 2000-02-10 2004-11-02 3M Innovative Properties Company Color stable pigmented polymeric films
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US6838494B2 (en) * 2002-12-30 2005-01-04 Ferro Corporation Light reflecting polymeric compositions
JP4923385B2 (en) * 2004-04-01 2012-04-25 東レ株式会社 Polyester film
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US20070236939A1 (en) * 2006-03-31 2007-10-11 3M Innovative Properties Company Structured Composite Optical Films
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JP6069490B2 (en) * 2013-03-29 2017-02-01 積水化成品工業株式会社 Optical film
US10215902B2 (en) * 2013-04-03 2019-02-26 Nippon Kayaku Kabushiki Kaisha Achromatic dye-based polarization element, and polarization plate
KR102123504B1 (en) * 2013-04-03 2020-06-22 니폰 가야꾸 가부시끼가이샤 Achromatic dye-based highly-transmissive polarization element, and polarization plate
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CN115867437A (en) * 2020-08-27 2023-03-28 日本瑞翁株式会社 Light-reducing film, method for producing same, and laminate
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Also Published As

Publication number Publication date
CN100335530C (en) 2007-09-05
EP1392763A1 (en) 2004-03-03
MXPA03010823A (en) 2004-02-17
KR100881485B1 (en) 2009-02-05
WO2002098959A1 (en) 2002-12-12
KR20040003026A (en) 2004-01-07
JP2004530164A (en) 2004-09-30
JP4322111B2 (en) 2009-08-26
CN1518574A (en) 2004-08-04
BR0209788A (en) 2004-06-01
US20030017326A1 (en) 2003-01-23
CA2448439C (en) 2010-09-14
AU2002247323B2 (en) 2008-02-14

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