JPH0232303A - Color polarizing film - Google Patents
Color polarizing filmInfo
- Publication number
- JPH0232303A JPH0232303A JP18023188A JP18023188A JPH0232303A JP H0232303 A JPH0232303 A JP H0232303A JP 18023188 A JP18023188 A JP 18023188A JP 18023188 A JP18023188 A JP 18023188A JP H0232303 A JPH0232303 A JP H0232303A
- Authority
- JP
- Japan
- Prior art keywords
- direct
- dyes
- dye
- polarizing film
- dichromatic dye
- 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.)
- Pending
Links
- 229910052740 iodine Inorganic materials 0.000 claims abstract description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 10
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011630 iodine Substances 0.000 claims abstract description 9
- 239000000975 dye Substances 0.000 abstract description 40
- 239000000982 direct dye Substances 0.000 abstract description 4
- 239000000985 reactive dye Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000002378 acidificating effect Effects 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- ZBNARPCCDMHDDV-UHFFFAOYSA-N chembl1206040 Chemical compound C1=C(S(O)(=O)=O)C=C2C=C(S(O)(=O)=O)C(N=NC3=CC=C(C=C3C)C=3C=C(C(=CC=3)N=NC=3C(=CC4=CC(=CC(N)=C4C=3O)S(O)(=O)=O)S(O)(=O)=O)C)=C(O)C2=C1N ZBNARPCCDMHDDV-UHFFFAOYSA-N 0.000 description 4
- VRVDFJOCCWSFLI-UHFFFAOYSA-K trisodium 3-[[4-[(6-anilino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]-5-methoxy-2-methylphenyl]diazenyl]naphthalene-1,5-disulfonate Chemical compound [Na+].[Na+].[Na+].COc1cc(N=Nc2cc(c3cccc(c3c2)S([O-])(=O)=O)S([O-])(=O)=O)c(C)cc1N=Nc1c(O)c2ccc(Nc3ccccc3)cc2cc1S([O-])(=O)=O VRVDFJOCCWSFLI-UHFFFAOYSA-K 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UFUQRRYHIHJMPB-DUCFOALUSA-L Sirius red 4B Chemical compound [Na+].[Na+].OS(=O)(=O)c1cc2cc(NC(=O)c3ccccc3)ccc2c([O-])c1\N=N\c1ccc(cc1)\N=N\c1ccc(cc1)S([O-])(=O)=O UFUQRRYHIHJMPB-DUCFOALUSA-L 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- WDWBPYFNRWQKNZ-UHFFFAOYSA-K trisodium 5-[(4-anilino-6-chloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(2-sulfonatophenyl)diazenyl]naphthalene-2,7-disulfonate Chemical compound [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=CC(S([O-])(=O)=O)=CC(NC=3N=C(NC=4C=CC=CC=4)N=C(Cl)N=3)=C2C(O)=C1N=NC1=CC=CC=C1S([O-])(=O)=O WDWBPYFNRWQKNZ-UHFFFAOYSA-K 0.000 description 3
- AVERNFJXXRIVQN-XSDYUOFFSA-N 5-[(4-ethoxyphenyl)diazenyl]-2-[(e)-2-[4-[(4-ethoxyphenyl)diazenyl]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound C1=CC(OCC)=CC=C1N=NC(C=C1S(O)(=O)=O)=CC=C1\C=C\C1=CC=C(N=NC=2C=CC(OCC)=CC=2)C=C1S(O)(=O)=O AVERNFJXXRIVQN-XSDYUOFFSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000980 acid dye Substances 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- NLMHXPDMNXMQBY-UHFFFAOYSA-L chembl260999 Chemical compound [Na+].[Na+].C1=CC(NC(=O)C)=CC=C1N=NC(C(=CC1=C2)S([O-])(=O)=O)=C(O)C1=CC=C2NC(=O)NC1=CC=C(C(O)=C(N=NC=2C=CC=CC=2)C(=C2)S([O-])(=O)=O)C2=C1 NLMHXPDMNXMQBY-UHFFFAOYSA-L 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- BQHRKYUXVHKLLZ-UHFFFAOYSA-M sodium 7-amino-2-[[4-[(4-aminophenyl)diazenyl]-2-methoxy-5-methylphenyl]diazenyl]-3-sulfonaphthalen-1-olate Chemical compound [Na+].COc1cc(N=Nc2ccc(N)cc2)c(C)cc1N=Nc1c(O)c2cc(N)ccc2cc1S([O-])(=O)=O BQHRKYUXVHKLLZ-UHFFFAOYSA-M 0.000 description 2
- FIXVWFINKCQNFG-UHFFFAOYSA-M sodium;4-[(4-aminophenyl)diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 FIXVWFINKCQNFG-UHFFFAOYSA-M 0.000 description 2
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- KYARBIJYVGJZLB-UHFFFAOYSA-N 7-amino-4-hydroxy-2-naphthalenesulfonic acid Chemical compound OC1=CC(S(O)(=O)=O)=CC2=CC(N)=CC=C21 KYARBIJYVGJZLB-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 1
- PJANXHGTPQOBST-VAWYXSNFSA-N Stilbene Natural products C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000001000 anthraquinone dye Substances 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 235000012745 brilliant blue FCF Nutrition 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- BPHHNXJPFPEJOF-UHFFFAOYSA-J chembl296966 Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC(S([O-])(=O)=O)=C(N)C2=C(O)C(N=NC3=CC=C(C=C3OC)C=3C=C(C(=CC=3)N=NC=3C(=C4C(N)=C(C=C(C4=CC=3)S([O-])(=O)=O)S([O-])(=O)=O)O)OC)=CC=C21 BPHHNXJPFPEJOF-UHFFFAOYSA-J 0.000 description 1
- -1 disazo compound Chemical class 0.000 description 1
- UZZFFIUHUDOYPS-UHFFFAOYSA-L disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-oxido-7-sulfonaphthalene-2-sulfonate Chemical compound [Na+].[Na+].Nc1ccc(N=Nc2ccc(cc2)N=Nc2c(N)c3c(O)c(N=Nc4ccc(cc4)N=Nc4ccc(N)cc4N)c(cc3cc2S([O-])(=O)=O)S([O-])(=O)=O)c(N)c1 UZZFFIUHUDOYPS-UHFFFAOYSA-L 0.000 description 1
- OYUZMQYZGSMPII-UHFFFAOYSA-L disodium 4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)amino]-3-phenyldiazenylnaphthalene-2-sulfonate Chemical compound [Na+].[Na+].Oc1c(N=Nc2ccccc2)c(cc2cc(Nc3ccc4c(O)c(N=Nc5ccccc5)c(cc4c3)S([O-])(=O)=O)ccc12)S([O-])(=O)=O OYUZMQYZGSMPII-UHFFFAOYSA-L 0.000 description 1
- DSARWKALPGYFTA-UHFFFAOYSA-L disodium 4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)carbamoylamino]-3-phenyldiazenylnaphthalene-2-sulfonate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)C1=CC2=CC(NC(=O)NC=3C=C4C=C(C(N=NC=5C=CC=CC=5)=C(O)C4=CC=3)S([O-])(=O)=O)=CC=C2C(O)=C1N=NC1=CC=CC=C1 DSARWKALPGYFTA-UHFFFAOYSA-L 0.000 description 1
- JCODDUJNTJDXSM-UHFFFAOYSA-L disodium 7-anilino-4-hydroxy-3-[[4-[4-[(1-hydroxy-4-sulfonatonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]naphthalene-2-sulfonate Chemical compound COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C=C4C=C(C=CC4=C3[O-])NC5=CC=CC=C5)S(=O)(=O)O)OC)N=NC6=C(C7=CC=CC=C7C(=C6)S(=O)(=O)O)[O-].[Na+].[Na+] JCODDUJNTJDXSM-UHFFFAOYSA-L 0.000 description 1
- SUXCALIDMIIJCK-UHFFFAOYSA-L disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-1-sulfonate Chemical compound [Na+].[Na+].C1=CC=CC2=C(N)C(N=NC3=CC=C(C=C3C)C=3C=C(C(=CC=3)N=NC=3C(=C4C=CC=CC4=C(C=3)S([O-])(=O)=O)N)C)=CC(S([O-])(=O)=O)=C21 SUXCALIDMIIJCK-UHFFFAOYSA-L 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- KXXXUIKPSVVSAW-UHFFFAOYSA-K pyranine Chemical compound [Na+].[Na+].[Na+].C1=C2C(O)=CC(S([O-])(=O)=O)=C(C=C3)C2=C2C3=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1 KXXXUIKPSVVSAW-UHFFFAOYSA-K 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- DJDYMAHXZBQZKH-UHFFFAOYSA-M sodium;1-amino-4-(cyclohexylamino)-9,10-dioxoanthracene-2-sulfonate Chemical compound [Na+].C1=2C(=O)C3=CC=CC=C3C(=O)C=2C(N)=C(S([O-])(=O)=O)C=C1NC1CCCCC1 DJDYMAHXZBQZKH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- WNQPPENQFWLADQ-UHFFFAOYSA-J tetrasodium;4-hydroxy-5-[[4-[[4-[(8-hydroxy-3,6-disulfonatonaphthalen-1-yl)diazenyl]-2-methoxy-5-methylphenyl]carbamoylamino]-5-methoxy-2-methylphenyl]diazenyl]naphthalene-2,7-disulfonate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC(O)=C2C(N=NC3=C(C)C=C(C(=C3)OC)NC(=O)NC3=CC(C)=C(N=NC=4C5=C(O)C=C(C=C5C=C(C=4)S([O-])(=O)=O)S([O-])(=O)=O)C=C3OC)=CC(S([O-])(=O)=O)=CC2=C1 WNQPPENQFWLADQ-UHFFFAOYSA-J 0.000 description 1
- VZPXDCIISFTYOM-UHFFFAOYSA-K trisodium;1-amino-4-[4-[[4-chloro-6-(3-sulfonatoanilino)-1,3,5-triazin-2-yl]amino]-3-sulfonatoanilino]-9,10-dioxoanthracene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=2C(=O)C3=CC=CC=C3C(=O)C=2C(N)=C(S([O-])(=O)=O)C=C1NC(C=C1S([O-])(=O)=O)=CC=C1NC(N=1)=NC(Cl)=NC=1NC1=CC=CC(S([O-])(=O)=O)=C1 VZPXDCIISFTYOM-UHFFFAOYSA-K 0.000 description 1
Landscapes
- Polarising Elements (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は偏光フィルムに関する。更に詳しくはカラーフ
ィルターの使用を不用にしたカラー偏光フィルムに関す
る。DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION This invention relates to polarizing films. More specifically, the present invention relates to a color polarizing film that does not require the use of color filters.
従来の技術
偏光フィルムは、LCDの発展に伴い計器のデジタル表
示など種々の分野に利用されている。BACKGROUND OF THE INVENTION With the development of LCDs, polarizing films have been used in various fields such as digital displays for instruments.
その中で、識別のし易さ、デザイン上の理由から従来の
白黒表示からカラー表示への要望が少なくない。Among these, there is a considerable demand for color display instead of conventional black and white display for ease of identification and design reasons.
即ち、ポジ表示の場合、OFF領域が、黄、緑、赤、青
などのカラーであり、ON領域が、黒または、OFF領
域と異なる色相で表示されるところのLCDである。That is, in the case of positive display, the OFF area is a color such as yellow, green, red, or blue, and the ON area is displayed in black or a different hue from the OFF area.
このような表示方法には従来、偏光フィルムとカラーフ
ィルム(カラーフィルター)が併用されている。しかし
ながら、この方法では光線透過率の低下、生産性の低下
は避は難い。Conventionally, such a display method uses a polarizing film and a color film (color filter) in combination. However, with this method, a decrease in light transmittance and a decrease in productivity are unavoidable.
発明が解決しようとする課題
偏光フィルムとカラーフィルターをそれぞれ1枚ずつ使
うことによる光線透過率の低下、ならびKそれらの接着
工程等による生産性の低下を招(ことなくカラーフィル
ターの機能を併せ持った偏光フィルムの開発が望まれて
いる。Problems to be Solved by the Invention A method that combines the functions of a color filter without causing a decrease in light transmittance due to the use of one polarizing film and one color filter, and a decrease in productivity due to the adhesion process etc. Development of polarizing film is desired.
課題を解決するための手段
本発明者らは、前記したような課題を解決すべく、鋭意
研究を重ねた結果、本発明を完成させた。即ち本発明は
低二色性染料を高二色性染料又はヨウ素と共にポリビニ
ルアルコール又はその誘導体に吸着配向せしめてなるこ
とを特徴とするカラー偏光フィルムを提供する。Means for Solving the Problems The present inventors have completed the present invention as a result of extensive research in order to solve the above-mentioned problems. That is, the present invention provides a color polarizing film comprising a low dichroic dye and a high dichroic dye or iodine adsorbed and aligned on polyvinyl alcohol or a derivative thereof.
偏光フィルムは、一般にヨウ素、又は高二色性染料をポ
リビニルアルコール又はその誘導体に吸着配向させて製
造される。Polarizing films are generally produced by adsorbing and aligning iodine or highly dichroic dyes to polyvinyl alcohol or its derivatives.
本発明においては最大吸収波長(λmax )における
二色性定数(Rd)が約10以上のものを高二色性染料
、約5以下のものを低二色性染料と分類する。高二色性
染料としてはRdが約10以上の染料であれば酸性染料
、直接染料、反応性染料等いずれの種類の染料でも使用
出来、構造とし℃はアゾ系、スチルベン系、アントラキ
ノン系、メチン系あるいはシアニン系染料が使用されう
る。ここで二色性定数(Rd)とは次の式で定義される
定数である。In the present invention, dyes with a dichroism constant (Rd) of about 10 or more at the maximum absorption wavelength (λmax) are classified as high dichroism dyes, and dyes with a dichroism constant of about 5 or less are classified as low dichroism dyes. As a highly dichroic dye, any type of dye can be used, such as acid dyes, direct dyes, and reactive dyes, as long as the Rd is about 10 or more. Alternatively, cyanine dyes can be used. Here, the dichroism constant (Rd) is a constant defined by the following formula.
1’(d=dz/dy
dz:完全偏光に対するZ軸濃度
dy: Y軸濃度
高二色性染料の具体例としては、特開昭59−1452
55、特開昭60−156759に記載のジスアゾ化合
物、及びカラーインデックスゼネリックネームで表され
るシー・アイ・ダイレクト・イエロー12 (C,1,
Direct Yellow 12 )、シー・アイ−
ダイレクト・イエo −44(C−1−Direct
YellaW44)、シー・アイ・ダイレクト・オレン
ジ26(C,1,Direct Orange 26
)、シー・アイ・ダイレクト・オレンジ39 (C,1
,Direct Orange 39 )、シー・アイ
・ダイレクト・レッド2 (C01,DirectRe
d 2 )、クー・アイ・ダイレクト・レッド23(C
,1,Direct Red 23 )、シー・アイ・
ダイレクトw レッド31 (C,1,Direct
Red 31 )、 シー・アイ・ダイレクト・レッド
79 (C−1−Direct Red 79 )、シ
ー・アイ・ダイレクト・レッド81 (C−1,Dir
ectRed81)、シー・アイ・ダイレクト・バイオ
レット9 (C,1,Direct Violet 9
)、シー・アイ・ダイレクト・バイオレット35 (
C,1,Direct Violet 35 )、シー
・アイ・ダイレクト・バイオレッ)51(C。1' (d=dz/dy dz: Z-axis density dy for completely polarized light: Y-axis density High dichroic dyes include JP-A-59-1452.
55, a disazo compound described in JP-A No. 60-156759, and C.I. Direct Yellow 12 (C, 1,
Direct Yellow 12), C.I.
Direct Ieo-44 (C-1-Direct
YellaW44), C, 1, Direct Orange 26
), C.I. Direct Orange 39 (C,1
, Direct Orange 39), C.I. Direct Red 2 (C01, DirectRe
d2), Kui Direct Red 23 (C
, 1, Direct Red 23), C.I.
Direct w Red 31 (C, 1, Direct
Red 31), C-I Direct Red 79 (C-1-Direct Red 79), C-I Direct Red 81 (C-1, Dir
ectRed81), C, 1, Direct Violet 9
), C.I. Direct Violet 35 (
C, 1, Direct Violet 35), C.I. Direct Violet) 51 (C.
1、DireC1vi01et51)、シー・アイ・ダ
イレクト・ブルー15 (C1I−Direct Bl
ue 15 )、シー・アイ・ダイレクト・プルーフ
8 (C−1,Direct Blue 78 )、シ
ー・アイ・ダイレクト・ブルー90 (C01,Dir
ectBlue 90 )、シー・アイ・ダイレクト・
ブルー168 (C01,Direct Blue 1
68 )、シーアイ・ダイレクト・ブルー202 (C
,1,Direct Blue 202 )、シー・ア
イ・ダイレクト・ブルー203 (C,1,Direc
tBlue 203 )、シー・アイ・ダイレクト・プ
ラウ72 (C,1,Direct Brown 2
)、シー・アイ・ダイレクト・ブラック17 (C11
,Direct Black 17 )、シー・アイ・
ダイレクト・ブラック19 (C01,DirectB
lack 19 )、シー・アイ・ダイレクト・ブラッ
ク118 (C−l−Direct Black 11
8 )、シー・アイ・ダイレクト・ブラック132 (
C,1,Direct Black132)等があげら
れる。1, DireC1vi01et51), C1I-Direct Blue 15 (C1I-Direct Bl
ue 15), C.I. Direct Proof
8 (C-1, Direct Blue 78), C.I. Direct Blue 90 (C01, Dir
ectBlue 90), C.I. Direct
Blue 168 (C01, Direct Blue 1
68), C.I. Direct Blue 202 (C
, 1, Direct Blue 202), C.I. Direct Blue 203 (C, 1, Direct Blue 202)
tBlue 203), C.I. Direct Plow 72 (C, 1, Direct Brown 2
), C.I. Direct Black 17 (C11
, Direct Black 17), C.I.
Direct Black 19 (C01, DirectB
rack 19), C-I Direct Black 118 (C-l-Direct Black 11
8), C.I. Direct Black 132 (
C, 1, Direct Black 132), etc.
一方、本発明に用いられる低二色性染料としては、l(
dが5以下のものであれば、酸性染料、直接染料、反応
染料などいずれの染料も使用でき構造としては、アゾ系
染料、スチルベン系染料、アントラキノン系染料、メチ
ン系染料、シアニン系染料などが使用できる。低二色性
染料の具体例としては、カラーインデックスゼネリック
ネームで表されるシー・アイ・ダイレクト・ブルー86
(C,1,Direct Blue 86 )、シー
・アイ・アシッド・ブルー62 (C,1,Ac1d
Blue 62 )、シー・アイ・アシッド・ブルー1
27 (C0■、Ac1dI31ue 127 )、シ
ー・アイ・アシッド・ブルー185 (C,1,Ac1
d Blue 185 )、シーーフィーIJ7クテイ
プ・オレンジ12 (C01,Reactive Qr
ange 12 )、シー・アイ・リアクティブ・レッ
ド3 (C,I。On the other hand, the low dichroism dye used in the present invention is l(
As long as d is 5 or less, any dye such as acid dye, direct dye, or reactive dye can be used.As for the structure, azo dye, stilbene dye, anthraquinone dye, methine dye, cyanine dye, etc. Can be used. A specific example of a low dichroism dye is C.I. Direct Blue 86, which is represented by the Color Index generic name.
(C, 1, Direct Blue 86), C.I. Acid Blue 62 (C, 1, Ac1d
Blue 62), Sea I Acid Blue 1
27 (C0■, Ac1dI31ue 127), C.I.Acid Blue 185 (C,1,Ac1
d Blue 185), Seafie IJ7 Kuteip Orange 12 (C01, Reactive Qr
ange 12), C.I. Reactive Red 3 (C,I.
Reactive Red 3 )、シー・アイ・リア
クティブ・ブルー 2(C,I、 Reactive
131ue 2 )、シー・アイ・リアクティブ・グリ
−y 8G C,1,Reactive Green
8)等があげられる。Reactive Red 3), C,I Reactive Blue 2 (C, I, Reactive
131ue 2), C.I. Reactive Green 8G C, 1, Reactive Green
8) etc.
本発明のカラー偏光フィルムはポリビニルアルコール又
はその誘導体に、前記の低二色性染料を高二色性染料、
又はヨウ素とともに吸着後延伸することによるか、延伸
後、吸着又は吸着、延伸を同時に行うことにより製造す
るのが好都合である。The color polarizing film of the present invention includes polyvinyl alcohol or a derivative thereof, the low dichroic dye, and the high dichroic dye.
Alternatively, it is convenient to produce by adsorbing with iodine and then stretching, or by simultaneously performing adsorption or adsorption and stretching after stretching.
本発明のカラー偏光フィルムは、その用途により低二色
性染料、高二色性染料を各1種類以上、またはヨウ素と
低二色性染料1種類以上を選択して使用される。In the color polarizing film of the present invention, one or more kinds of low dichroism dyes and one or more kinds of high dichroism dyes, or iodine and one or more kinds of low dichroism dyes are selected depending on the purpose.
吸着は、前記の高二色性及び低二色性染料、ヨウ素の水
溶液に必要に応じて無機塩、染色助剤を添加し、0〜7
0℃、好ましくは、30〜50℃でポリビニルアルコー
ル又はその誘導体を通常1〜60分浸漬して行う。Adsorption is carried out by adding inorganic salts and dyeing aids as necessary to the aqueous solutions of the high dichroic and low dichroic dyes and iodine.
Polyvinyl alcohol or a derivative thereof is immersed at 0°C, preferably 30 to 50°C, for usually 1 to 60 minutes.
延伸を、水中で行った後、0.5〜15%はう酸水溶液
中で処理するか、又は、0.5〜5%はう酸水溶液中で
延伸することによりほう酸処理と延伸を同時におこなう
。このほう酸処理によりフィルムの機械的強度、及び耐
久性が向上する。After stretching in water, treatment is performed in a 0.5-15% aqueous solution of holic acid, or by stretching in an aqueous solution of 0.5-5% acetic acid, boric acid treatment and stretching are performed simultaneously. . This boric acid treatment improves the mechanical strength and durability of the film.
又、このようにして得たカラー偏光フィルムは、機械的
強度、耐久性を更に上げるためその片面または両面に保
護フィルムをラミネートして偏光板として使用される。In addition, the color polarizing film thus obtained is used as a polarizing plate by laminating a protective film on one or both sides of the film in order to further increase mechanical strength and durability.
保護フィルムとしては、セルロースアセテート系フィル
ム、アクリル系フィルム、カーボネート系フィルム、エ
ステル系フィルム等が使用される。As the protective film, cellulose acetate film, acrylic film, carbonate film, ester film, etc. are used.
実施例
以下、実施例により本発明を更に詳細に説明するが、本
発明がこれらに限定されるものではない。EXAMPLES Hereinafter, the present invention will be explained in more detail with reference to Examples, but the present invention is not limited thereto.
実施例文中、%は重量%を表し、部は重量部を表す。In the examples, % represents % by weight, and parts represent parts by weight.
実施例1゜ シー・アイ・ダイレクト・オレンジ39 (C,I。Example 1゜ C.I. Direct Orange 39 (C, I.
Direct Qrange 39 ) 0.1部、シ
ー・アイ・ダイレクト・レッド81 (C,I−Dir
ect Red 81 ) 0.4部、特開昭59−1
45255の実施例23に記載の染料1.0部(以上高
二色性染料)、及びシー・アイ・ダイレクト・プA/
−86(C−1−Direct Blue 86 )1
0部(低二色性染料)を水1000部に40℃で溶解す
る。この水溶液に厚さ7511mのポリビニルアルコー
ルを2分間浸漬後、水洗し、45℃の3%はう酸水溶液
中で4倍に延伸する。Direct Qrange 39) 0.1 part, C,I Direct Red 81 (C,I-Dir
ect Red 81) 0.4 copies, JP-A-59-1
1.0 part of the dye described in Example 23 of No. 45255 (highly dichroic dye), and C.I. Direct Pu A/
-86 (C-1-Direct Blue 86) 1
0 parts (low dichroic dye) are dissolved in 1000 parts of water at 40°C. A piece of polyvinyl alcohol with a thickness of 7,511 m is immersed in this aqueous solution for 2 minutes, washed with water, and stretched to 4 times in a 3% aqueous oxalic acid solution at 45°C.
水洗後、70℃で10分間乾燥し本発明のカラー偏光フ
ィルムを得た。After washing with water, it was dried at 70°C for 10 minutes to obtain a color polarizing film of the present invention.
互いの偏光軸を平行に組み合わせると青色となり、直交
に組み合わせると光を透過せず黒色となった。When the polarization axes were combined parallel to each other, the result was blue, and when combined orthogonally, no light was transmitted and the result was black.
実施例2゜
ヨウ素0.3部、ヨウ化カリウム1.0部及びシー・ア
イ・リアクティブ・レッド3 (C,1,Reacti
−ve Red 3 ) 2.0部(低二色性染料)を
水1000部に溶解する。他方厚さ75μmのポリビニ
ルアルコールを35℃の温水中で4倍に延伸し先に得た
水溶液に3分間浸漬後、55℃の5%はう酸水溶液で5
分間処理する。水洗後、70℃で10分間乾燥し本発明
のカラー偏光フィルムを得た。このカラー偏光フィルム
につき互いの偏光軸を平行に組み合わせると赤色となり
、直交に組み合わせると光を透過せず黒色となった。Example 2 0.3 part of iodine, 1.0 part of potassium iodide and C.I. Reactive Red 3 (C,1, Reacti
-ve Red 3 ) 2.0 parts (low dichroic dye) are dissolved in 1000 parts of water. On the other hand, polyvinyl alcohol with a thickness of 75 μm was stretched 4 times in warm water at 35°C, immersed in the previously obtained aqueous solution for 3 minutes, and then diluted with a 5% aqueous solution of oxalic acid at 55°C.
Process for minutes. After washing with water, it was dried at 70°C for 10 minutes to obtain a color polarizing film of the present invention. When these color polarizing films were combined with their polarization axes parallel to each other, the color was red, and when they were combined orthogonally, no light was transmitted and the color was black.
又、このカラー偏光フィルムの裏面にアルミ箔を貼り反
射型偏光フィルムとしてヨウ素系偏光フィルムと組み合
わせて同様に評価したところ互いの偏光軸を平行に組み
合わせると赤色となり、直交に組み合わせると黒色とな
った。Also, when aluminum foil was pasted on the back side of this color polarizing film and it was used as a reflective polarizing film in combination with an iodine-based polarizing film and evaluated in the same way, when the polarizing axes were combined in parallel to each other, the result was red, and when combined at right angles, the result was black. .
発明の効果
カラーフィルターを必要としない偏光フィルムが得られ
た。Effects of the Invention A polarizing film that does not require a color filter was obtained.
Claims (1)
リビニルアルコール又はその誘導体に吸着配向せしめて
なることを特徴とするカラー偏光フィルム1. A color polarizing film comprising a low dichroic dye and a high dichroic dye or iodine adsorbed and oriented on polyvinyl alcohol or a derivative thereof.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18023188A JPH0232303A (en) | 1988-07-21 | 1988-07-21 | Color polarizing film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18023188A JPH0232303A (en) | 1988-07-21 | 1988-07-21 | Color polarizing film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0232303A true JPH0232303A (en) | 1990-02-02 |
Family
ID=16079670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18023188A Pending JPH0232303A (en) | 1988-07-21 | 1988-07-21 | Color polarizing film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0232303A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0605191A1 (en) * | 1992-12-25 | 1994-07-06 | MITSUI TOATSU CHEMICALS, Inc. | Color filter having polarizability |
-
1988
- 1988-07-21 JP JP18023188A patent/JPH0232303A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0605191A1 (en) * | 1992-12-25 | 1994-07-06 | MITSUI TOATSU CHEMICALS, Inc. | Color filter having polarizability |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1712595B1 (en) | Azo compound and polarizing film and polarizing plate each containing the same | |
KR100309045B1 (en) | Dye Polarized Film | |
JP2001240762A (en) | Azo compound or salt thereof and dyestuff polarizing membrane containing the same | |
JPS6270802A (en) | Polarizing film | |
US6277966B2 (en) | Azo-compounds and dye polarizing films containing them | |
JP4049229B2 (en) | New polarizing film | |
JPH0232303A (en) | Color polarizing film | |
JP2003313451A (en) | Azo compound or its salt, and their application to polarizing film | |
US4514559A (en) | Water soluble disazo compound, copper salt thereof, and sheet or film colored therewith | |
JP3206141B2 (en) | Disazo compound and polarizing film containing the same | |
JP2985408B2 (en) | Dye-based polarizing film | |
JP3680709B2 (en) | Manufacturing method of polarizing film | |
JP2003327858A (en) | Azo compound or its salt and application thereof to polarizing film | |
JPS6132005A (en) | Polarizing filter | |
JPH08240715A (en) | Production of polarizing film | |
JP3825508B2 (en) | Method for producing iodine polarizing film | |
JP2001027708A (en) | Polarizing plate for liquid crystal projector and color liquid crystal projector | |
JP4736424B2 (en) | Azo compound or salt thereof, and polarizing film containing the compound or salt thereof | |
JPS62156602A (en) | Preparation of polarizing film having neutral gray color | |
JP2008007763A (en) | Azo dye for anisotropic dye film | |
JP2001002631A (en) | Disazo compound and dye-based polarizing film | |
JPH07333425A (en) | Production of polarizing plate | |
JP3446302B2 (en) | Manufacturing method of polarizing film | |
JP4438125B2 (en) | Dioxazine compound and dye-based polarizing film containing the same | |
JP4438124B2 (en) | Dioxazine compound and dye-based polarizing film containing the same |