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Patent Searching and Data


Title:
POLYESTER FILM, BACK SHEET FOR SOLAR CELL MODULE, AND SOLAR CELL MODULE
Document Type and Number:
Japanese Patent JP2013227440
Kind Code:
A
Abstract:

To provide a polyester film that has excellent hydrolysis resistance and good film thickness uniformity, and can exhibit good adhesion to a functional layer after being subjected to a wet heat treatment when used as a back sheet for a solar cell module.

A polyester film comprises (A) polyester and (B) a compound which has such a cyclic structure in which one carbodiimide group is contained and whose first and second nitrogen atoms are bound to each other through a bonding group, wherein the intrinsic viscosity of the polyester (A) is 0.5 to 0.9 dl/g and the compound (B) which has one carbodiimide group and has such a cyclic structure in which the first and second nitrogen atoms are bound to each other through a bonding group, in an amount of 0.05 to 0.9 mass% relative to the amount of the polyester (A).


Inventors:
FUKUDA MAKOTO
SAKURAI SEIYA
Application Number:
JP2012000100887
Publication Date:
November 07, 2013
Filing Date:
April 26, 2012
Export Citation:
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Assignee:
FUJIFILM CORP
International Classes:
C08L67/00; C07D273/08; C08J5/18; C08K5/29; H01L31/042; C08G63/183
Attorney, Agent or Firm:
特許業務法人特許事務所サイクス