JPS55153907A - Acrylic polarizing film - Google Patents
Acrylic polarizing filmInfo
- Publication number
- JPS55153907A JPS55153907A JP6021579A JP6021579A JPS55153907A JP S55153907 A JPS55153907 A JP S55153907A JP 6021579 A JP6021579 A JP 6021579A JP 6021579 A JP6021579 A JP 6021579A JP S55153907 A JPS55153907 A JP S55153907A
- Authority
- JP
- Japan
- Prior art keywords
- polarizing film
- polymer
- dehydrohalogenation
- poly
- formula
- 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
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
PURPOSE: To obtain a polarizing film easy to tone and having superior moisture resistance by forming a conjugated double bond chain in an acrylic polymer and using the resulting polymer as a polarizing element.
CONSTITUTION: A polymer contg. polyene (conjugated double bond chain) represented by formula II (where n≤m) and obtd. by dehydrohalogenating an acrylic polymer such as poly-α-chloroacrylonitrile or poly-α-chloromethyl acrylate represented by formula I (where X is halogen, Y is cyano or a carboxylic acid ester group, and m is an integer) is monoaxially oriented by about 2W11 times at about 40W180, preferably 50W170°C to form a polarizing film. The dehydrohalogenation is preferably performed in the following two steps: the tirst step at a dehydrohalogenation degree of about 0.05W20mol and the second step at a solid state with heating.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6021579A JPS55153907A (en) | 1979-05-16 | 1979-05-16 | Acrylic polarizing film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6021579A JPS55153907A (en) | 1979-05-16 | 1979-05-16 | Acrylic polarizing film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55153907A true JPS55153907A (en) | 1980-12-01 |
Family
ID=13135709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6021579A Pending JPS55153907A (en) | 1979-05-16 | 1979-05-16 | Acrylic polarizing film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55153907A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018154754A (en) * | 2017-03-17 | 2018-10-04 | 日本ゼオン株式会社 | Copolymer and positive resist composition |
-
1979
- 1979-05-16 JP JP6021579A patent/JPS55153907A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018154754A (en) * | 2017-03-17 | 2018-10-04 | 日本ゼオン株式会社 | Copolymer and positive resist composition |
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