Title:
A manufacturing method of a polarizing film
Document Type and Number:
Japanese Patent JP6231511
Kind Code:
B2
Abstract:
The invention provides a method for producing a polyving akohol resin film, and a manufacturing method for obtaining a polarizing film through the method. The method comprises a drying step: removing water from an aqoeous solution containing the polyving akohol resin film, wherein the moisture content is greater than 30 mass%, and the removing speed is 0.01-1.8 mass%/s.
Inventors:
Yuuichiro Kuuchi
Naoko Takenokuma
Naoko Takenokuma
Application Number:
JP2015028267A
Publication Date:
November 15, 2017
Filing Date:
February 17, 2015
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
G02B5/30; C08J5/18; G02F1/1335
Domestic Patent References:
| JP2012058754A | ||||
| JP2014206719A | ||||
| JP2013148909A |
Attorney, Agent or Firm:
Fukami patent office
Previous Patent: Foreign language learning system
Next Patent: MAGNETIC RECORDING/REPRODUCING APPARATUS AND CASSETTE HALF
Next Patent: MAGNETIC RECORDING/REPRODUCING APPARATUS AND CASSETTE HALF