Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
THIN POLYMER FILM PRODUCTION APPARATUS AND PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/116951
Kind Code:
A1
Abstract:
Provided are: a method for producing a thin polymer film with a specified shape continuously and uniformly without using a soluble processing polymer or special solvent; and a production apparatus for implementing said production method. This thin polymer film production method comprises: forming a polymer film by conveying an elastic mold, in which recesses and protrusions are formed with the upper surfaces of the protruding parts having a specified shape, while coating and drying a coating material comprising a polymer material so as to cover the upper surfaces of the protruding parts; obtaining the polymer thin film by stretching the mold or expanding and contracting the mold at least one time to release the polymer film from the upper surfaces of the protruding parts; and collecting the released polymer thin film that has the specified shape.

Inventors:
TOMINAGA, Yoshiaki (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
MINOURA, Kiyoshi (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
WADA, Keita (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
Application Number:
JP2018/044431
Publication Date:
June 20, 2019
Filing Date:
December 03, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TORAY INDUSTRIES, INC. (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 66, 〒1038666, JP)
International Classes:
B29C41/36; B29C41/24; B29C41/38; B29C41/42
Domestic Patent References:
WO2017018753A12017-02-02
Foreign References:
JP2017047684A2017-03-09
JP2015199349A2015-11-12
KR101104479B12012-01-12
JP2014051029A2014-03-20
JPH0663969A1994-03-08
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
Download PDF: