Title:
ANTISTATIC POLYESTER FILM
Document Type and Number:
WIPO Patent Application WO/2022/220043
Kind Code:
A1
Abstract:
The present invention provides an antistatic polyester film which has good adhesion to an antistatic layer, while being excellent in terms of retention of the adhesion at high levels for a long period of time. An antistatic polyester film which is obtained by sequentially superposing a highly adhesive layer and an antistatic layer in this order on at least one surface of a polyester film, wherein the highly adhesive layer is obtained by curing a coating layer that is formed of a composition containing a polyurethane resin that has a carboxyl group and an acid value of 30 to 50 mgKOH/g and a crosslinking agent that has a carboxyl group and an acid value of 30 to 50 mgKOH/g.
Inventors:
NAKATANI MITSUHARU (JP)
SUGIMOTO YUKA (JP)
TAKI HIROSHI (JP)
TAKAGI NORIYUKI (JP)
TAKII ISAO (JP)
SUGIMOTO YUKA (JP)
TAKI HIROSHI (JP)
TAKAGI NORIYUKI (JP)
TAKII ISAO (JP)
Application Number:
PCT/JP2022/013636
Publication Date:
October 20, 2022
Filing Date:
March 23, 2022
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B7/023; B32B27/00; B32B7/025; B32B27/26; B32B27/36; B32B27/40
Domestic Patent References:
| WO2009157199A1 | 2009-12-30 | |||
| WO2019142615A1 | 2019-07-25 | |||
| WO2021085327A1 | 2021-05-06 |
Foreign References:
| JP2021059117A | 2021-04-15 | |||
| JP2018104532A | 2018-07-05 | |||
| JP2019162807A | 2019-09-26 | |||
| JP2006160883A | 2006-06-22 |
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