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Patent Searching and Data


Title:
COMPOSITE FILM MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2016/157635
Kind Code:
A1
Abstract:
Provided is a composite film manufacturing method comprising a coating step wherein a coating layer is formed by coating one surface or both surfaces of a porous substrate with a coating liquid that contains a resin, a solidifying step wherein said resin is solidified by contacting said coating layer with a solidifying liquid and a composite film provided with a porous layer that contains said resin is obtained on said one surface or both surfaces of said porous substrate, a water washing step wherein said composite film is water washed and a drying step wherein water is removed from said composite film while said composite film is conveyed at a speed of at least 30 m/min, wherein a drying device provided with a drying means that comprises a contact-type heating means and a heated air blowing means is used to remove water from said composite film by contacting said composite film with said contact-type heating means and by subjecting said composite film to heated air blown from said heated air blowing means.

Inventors:
TANIKAWA, Noboru (6-7 Minamihommachi 1-chome, Chuo-ku, Osaka-sh, Osaka 54, 〒5410054, JP)
HONMOTO, Hiroyuki (6-7 Minamihommachi 1-chome, Chuo-ku, Osaka-sh, Osaka 54, 〒5410054, JP)
Application Number:
JP2015/084722
Publication Date:
October 06, 2016
Filing Date:
December 10, 2015
Export Citation:
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Assignee:
TEIJIN LIMITED (6-7 Minamihommachi 1-chome, Chuo-ku Osaka-sh, Osaka 54, 〒5410054, JP)
International Classes:
B01D69/12; B01D69/10; B32B5/32; F26B13/08
Foreign References:
JP2014173013A2014-09-22
JPH09187631A1997-07-22
JPS6287211A1987-04-21
JPS6078604A1985-05-04
JPS6323703A1988-02-01
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (TAIYO, NAKAJIMA & KATO Seventh Floor, HK-Shinjuku Bldg., 3-17, Shinjuku 4-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
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