JPS55153906A - Acrylic polarizing film - Google Patents

Acrylic polarizing film

Info

Publication number
JPS55153906A
JPS55153906A JP6021479A JP6021479A JPS55153906A JP S55153906 A JPS55153906 A JP S55153906A JP 6021479 A JP6021479 A JP 6021479A JP 6021479 A JP6021479 A JP 6021479A JP S55153906 A JPS55153906 A JP S55153906A
Authority
JP
Japan
Prior art keywords
polymer
polarizing film
dehydrohalogenation
poly
blended
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
JP6021479A
Other languages
Japanese (ja)
Inventor
Chiyotsugu Hitomi
Rinjiro Ichikawa
Nobuhiro Fukuda
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.)
Toyobo Co Ltd
Original Assignee
Toyobo Co Ltd
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 Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP6021479A priority Critical patent/JPS55153906A/en
Publication of JPS55153906A publication Critical patent/JPS55153906A/en
Pending legal-status Critical Current

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  • 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 blended with other compatible 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 blended with a polymer such as polyacrylonitrile having compatibility with the above-mentioned polymer. This blend 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 first step at a dehydrohalogenation degree of about 0.05W20mol and the second step at a solid state with heating.
COPYRIGHT: (C)1980,JPO&Japio
JP6021479A 1979-05-16 1979-05-16 Acrylic polarizing film Pending JPS55153906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6021479A JPS55153906A (en) 1979-05-16 1979-05-16 Acrylic polarizing film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6021479A JPS55153906A (en) 1979-05-16 1979-05-16 Acrylic polarizing film

Publications (1)

Publication Number Publication Date
JPS55153906A true JPS55153906A (en) 1980-12-01

Family

ID=13135676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6021479A Pending JPS55153906A (en) 1979-05-16 1979-05-16 Acrylic polarizing film

Country Status (1)

Country Link
JP (1) JPS55153906A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4643756B1 (en) * 2010-07-23 2011-03-02 恵里 田邊 Jumping shoes
WO2024018765A1 (en) * 2022-07-20 2024-01-25 Tdk株式会社 Copolymer, piezoelectric material, piezoelectric film, and piezoelectric element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4643756B1 (en) * 2010-07-23 2011-03-02 恵里 田邊 Jumping shoes
JP2012024530A (en) * 2010-07-23 2012-02-09 Eri Tanabe Jumping shoe
WO2024018765A1 (en) * 2022-07-20 2024-01-25 Tdk株式会社 Copolymer, piezoelectric material, piezoelectric film, and piezoelectric element

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