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Patent Searching and Data


Title:
READILY ADHESIVE POLYESTER FILM AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2020/158403
Kind Code:
A1
Abstract:
[Problem] To provide a readily adhesive polyester film that has few flaws and is free of defects of appearance caused by winding tightness, etc., during product roll storage and a method for producing the same efficiently. [Solution] A readily adhesive polyester film having a polyester film as a base film and a readily adhesive layer on at least one side of the base film, wherein the base film contains 1 mass% or less of particles having an average particle size of 0.1 to 2 μm inclusive relative to the mass of the base film, and the readily adhesive layer comprises a cured composition containing a copolyester resin (A), a urethane resin having a blocked isocyanate group (B), and a silicone-based surfactant (C). Also, a method for producing a readily adhesive polyester film by an in-line coating method.

Inventors:
YAMAGUCHI YOHEI (JP)
TAKI HIROSHI (JP)
TAKII ISAO (JP)
ITO KATSUYA (JP)
Application Number:
PCT/JP2020/001184
Publication Date:
August 06, 2020
Filing Date:
January 16, 2020
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
International Classes:
B05D1/28; B05D3/02; B05D3/12; B05D5/00; B05D7/00; B05D7/04; B05D7/24; B32B27/36; C08J7/04; C09J11/00; C09J167/00; C09J175/04
Domestic Patent References:
WO2017082130A12017-05-18
Foreign References:
JP2014035362A2014-02-24
JP2014159176A2014-09-04
JP2015166182A2015-09-24
JP2001138465A2001-05-22
JP2010036368A2010-02-18
JP2017193720A2017-10-26
JP2009269302A2009-11-19
JP2013001760A2013-01-07
Other References:
See also references of EP 3919185A4
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