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Title:
INSULATING SHEET AND MULTILAYER STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2010/016480
Kind Code:
A1
Abstract:
Disclosed is an insulating sheet having excellent handleability in an uncured state, which provides a cured product having excellent dielectric breakdown characteristics, thermal conductivity, heat resistance, acid resistance and workability. The insulating sheet contains: a polymer (A) having an aromatic structure and a weight average molecular weight of not less than 10,000; a resin (B) which is composed of at least one of an epoxy resin (B1) having a weight average molecular weight of less than 10,000 and an oxethane resin (B2) having a weight average molecular weight of less than 10,000; a curing agent (C); and a substance (D) which is composed of at least one of anhydrous magnesium carbonate (D1) represented by the chemical formula MgCO3 and containing no crystal water and a coated body (D2) which is obtained by coating the surface of the anhydrous magnesium carbonate (D1) with an organic resin, a silicone resin or silica.

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Inventors:
MAENAKA HIROSHI (JP)
HIGUCHI ISAO (JP)
KUSAKA YASUNARI (JP)
AOYAMA TAKUJI (JP)
WATANABE TAKASHI (JP)
NAKAJIMA DAISUKE (JP)
TAKAHASHI RYOUSUKE (JP)
Application Number:
PCT/JP2009/063794
Publication Date:
February 11, 2010
Filing Date:
August 04, 2009
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD (JP)
MAENAKA HIROSHI (JP)
HIGUCHI ISAO (JP)
KUSAKA YASUNARI (JP)
AOYAMA TAKUJI (JP)
WATANABE TAKASHI (JP)
NAKAJIMA DAISUKE (JP)
TAKAHASHI RYOUSUKE (JP)
International Classes:
H01B17/56; B32B15/08; H01B17/62
Foreign References:
JP2007116134A2007-05-10
JPH10242606A1998-09-11
JP2009031536A2009-02-12
JP2006342238A2006-12-21
JPH08332696A1996-12-17
Other References:
ADHESION, vol. 40, no. 8, 1996, pages 342 - 350
Attorney, Agent or Firm:
MIYAZAKI, Chikara et al. (JP)
Miyazaki Chikara (JP)
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