Title:
ポリエステルフィルム
Document Type and Number:
Japanese Patent JP6972524
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a film having an infrared absorption function and an ultraviolet absorption function and capable of avoiding bleeding out of an ultraviolet absorber even when used under environment where it is exposed to solar light.SOLUTION: There is provided a polyester film containing an infrared absorber and an ultraviolet absorber having a reactive functional group, content of the infrared absorber A [wt.%] in the polyester film and thickness T [μm] of the polyester film satisfies 200≥T [μm]×A [wt.%]≥10, and content of the ultraviolet absorber B [wt.%] in the polyester film and thickness T [μm] of the polyester film satisfies 1000≥T [μm]×B [wt.%]≥100.SELECTED DRAWING: None
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Inventors:
Ken Sakagami
Application Number:
JP2016179953A
Publication Date:
November 24, 2021
Filing Date:
September 14, 2016
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
C08J5/18; C08L67/00
Domestic Patent References:
| JP2015189933A | ||||
| JP10077360A | ||||
| JP2015048404A | ||||
| JP2015042698A |
Attorney, Agent or Firm:
Tamotsu Otani
Kenichi Hirasawa
Yukine Sekine
Kenichi Hirasawa
Yukine Sekine
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