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Title:
POLYETHERIMIDE POROUS BODY AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2014/097920
Kind Code:
A1
Abstract:
Provided are: a polyetherimide porous body which has a low relative permittivity and is not susceptible to fractures during folding (has excellent fracture resistance); and a method for producing the same. This polyetherimide porous body comprises a polyetherimide cross-linked body and has a gel fraction of 10% or more, an average bubble diameter of 8 μm or less, a volume porosity of 30% or more and a dielectric breakdown voltage of 30 kV/mm or more.

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Inventors:
TAKEKAWA YUMI (JP)
YAKUWA SHINPEI (JP)
KASAGI TOMOYUKI (JP)
IKENAGA HIROKO (JP)
Application Number:
PCT/JP2013/082984
Publication Date:
June 26, 2014
Filing Date:
December 09, 2013
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
C08J9/26; B32B5/18; B32B27/34; H01B3/42; H01B17/56; H02K3/30
Foreign References:
JP2012182116A2012-09-20
JP2011508017A2011-03-10
JPH05310931A1993-11-22
JPH06322168A1994-11-22
JPH1045936A1998-02-17
JPH09100363A1997-04-15
JP2001081225A2001-03-27
Other References:
See also references of EP 2933287A4
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
Patent business corporation ユニアス international patent firm (JP)
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