Title:
MULTILAYERED POLYESTER FILM
Document Type and Number:
WIPO Patent Application WO/2023/145408
Kind Code:
A1
Abstract:
[Problem] To stably provide a multilayered polyester film having excellent versatile adhesion properties onto various coated materials. [Solution] Provided is a multilayered polyester film comprising a polyester film base material and a coating layer provided on at least one surface of the base material, in which the coating layer is formed from a composition comprising a polyester resin, a polyurethane resin and/or an acrylic resin, the contact angle (A) of a droplet of 1-bromonaphthalene on the coating layer measured 1 second after the attachment of the droplet is 13 to 25 degrees, and the contact angle (B) of a droplet of 1-bromonaphthalene on the coating layer measured 5 seconds after the attachment of the droplet is 9 to 20 degrees.
Inventors:
TAKI HIROSHI (JP)
YAMAGUCHI YOHEI (JP)
TAKII ISAO (JP)
YAMAGUCHI YOHEI (JP)
TAKII ISAO (JP)
Application Number:
PCT/JP2023/000208
Publication Date:
August 03, 2023
Filing Date:
January 06, 2023
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
C08J7/043; B32B27/36; C08F220/28; C08G18/00; C08G63/12; C08L33/00; C08L67/02; C08L75/04
Domestic Patent References:
| WO2016031817A1 | 2016-03-03 |
Foreign References:
| JP2020063457A | 2020-04-23 | |||
| JP2004202701A | 2004-07-22 | |||
| JP2007182487A | 2007-07-19 |
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