Title:
ORIENTED POLYESTER FILM
Document Type and Number:
WIPO Patent Application WO/2018/142662
Kind Code:
A1
Abstract:
Provided is an oriented polyester film having a layer (P1 layer) that contains polyester and a filler, wherein the P1 layer satisfies (1) and (2) below, whereby the oriented polyester film has exceptional electrical insulating properties and thermal conductivity. (1) The filler content in the P1 layer relative to the entire P1 layer is 10-60% by mass. (2) The polyester of the P1 layer has as a main component a polyester having an aromatic dicarboxylic acid component and a diol component as main structural components, the diol component including both a diol (A) having an even number of main chain carbon atoms and a diol (B) having an odd number of main chain carbon atoms, and the molar ratio (A)/(B) of the diol (A) and the diol (B) being 30/70-97/3.
Inventors:
YOSHIDA SHOHEI (JP)
AOYAMA SHIGERU (JP)
AOYAMA SHIGERU (JP)
Application Number:
PCT/JP2017/033850
Publication Date:
August 09, 2018
Filing Date:
September 20, 2017
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B32B27/36; C08J5/18; C08K3/00; C08L67/02
Domestic Patent References:
WO2016167149A1 | 2016-10-20 |
Foreign References:
JP2000355090A | 2000-12-26 | |||
JP2009138067A | 2009-06-25 | |||
JP2014031011A | 2014-02-20 | |||
JP2013522413A | 2013-06-13 | |||
JP2007016056A | 2007-01-25 | |||
JP2011126272A | 2011-06-30 | |||
JP2007178788A | 2007-07-12 | |||
JP2008080672A | 2008-04-10 | |||
JP2013028753A | 2013-02-07 | |||
JP2013038179A | 2013-02-21 |
Other References:
See also references of EP 3578594A4
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