JPS5445153A - Polarizing film - Google Patents

Polarizing film

Info

Publication number
JPS5445153A
JPS5445153A JP11202777A JP11202777A JPS5445153A JP S5445153 A JPS5445153 A JP S5445153A JP 11202777 A JP11202777 A JP 11202777A JP 11202777 A JP11202777 A JP 11202777A JP S5445153 A JPS5445153 A JP S5445153A
Authority
JP
Japan
Prior art keywords
film
oriented
polarizing film
nylon
dyes
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
Application number
JP11202777A
Other languages
Japanese (ja)
Inventor
Yasuo Furuhashi
Mineichi Kodama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP11202777A priority Critical patent/JPS5445153A/en
Publication of JPS5445153A publication Critical patent/JPS5445153A/en
Pending legal-status Critical Current

Links

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE: To increase the absorption 2 color ratio of a polymide-dye base polarizing film by dyeing and orienting dyes only one side of an oriented nylon 12 film.
CONSTITUTION: Dyes such as direct fast yellow GC are dyed at 70 to 100°C on a nylon-12 film in which lauryl lactam is polymerized before it is oriented more than 4 times preferably 6 or more times at 70 to 150°C in at least one direction or after it has been oriented. This polarizing film has high polarizing ability and yet superior moisture resistance, etc
COPYRIGHT: (C)1979,JPO&Japio
JP11202777A 1977-09-16 1977-09-16 Polarizing film Pending JPS5445153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11202777A JPS5445153A (en) 1977-09-16 1977-09-16 Polarizing film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11202777A JPS5445153A (en) 1977-09-16 1977-09-16 Polarizing film

Publications (1)

Publication Number Publication Date
JPS5445153A true JPS5445153A (en) 1979-04-10

Family

ID=14576154

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11202777A Pending JPS5445153A (en) 1977-09-16 1977-09-16 Polarizing film

Country Status (1)

Country Link
JP (1) JPS5445153A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866902A (en) * 1981-10-17 1983-04-21 Mitsui Toatsu Chem Inc Manufacture of color polarizing film
GB2175707A (en) * 1984-10-05 1986-12-03 Mitsui Toatsu Chemicals Polarizing film
US4840640A (en) * 1986-06-17 1989-06-20 Mitsubishi Chemical Industries Limited Polarizing film: polymer film base containing substituted anthraquinone dichroic dye
US5286418A (en) * 1984-10-05 1994-02-15 Mitsui Toatsu Chemicals, Incorporated Polarizing film

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866902A (en) * 1981-10-17 1983-04-21 Mitsui Toatsu Chem Inc Manufacture of color polarizing film
JPS6224761B2 (en) * 1981-10-17 1987-05-29 Mitsui Toatsu Chemicals
GB2175707A (en) * 1984-10-05 1986-12-03 Mitsui Toatsu Chemicals Polarizing film
US5059356A (en) * 1984-10-05 1991-10-22 Mitsui Toatsu Chemicals, Incorporated Polarizing film
US5286418A (en) * 1984-10-05 1994-02-15 Mitsui Toatsu Chemicals, Incorporated Polarizing film
US5354513A (en) * 1984-10-05 1994-10-11 Mitsui Toatsu Chemicals, Incorporated Polarizing film
US4840640A (en) * 1986-06-17 1989-06-20 Mitsubishi Chemical Industries Limited Polarizing film: polymer film base containing substituted anthraquinone dichroic dye

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