BURNED PLANT MATERIAL AND ELECTROMAGNETIC WAVE ABSORBING PLATE

WIPO Patent Application WO/2012/086719

A1

[Problem] To provide an electromagnetic wave absorbing plate which highly absorbs electromagnetic waves and has extremely light specific gravity. [Solution] An electromagnetic wave absorbing plate in which a burned plant material such as burned soy bean hull that is burned within the range from 600˚C to 3,000˚C is contained in a matrix of an ethylene propylene diene rubber or the like. The content of the burned plant material is set within the range from 150 phr to 250 phr, and the plate thickness is set within the range from 1.8 mm to 2.2 mm. A sheet layer for preventing water immersion, which is formed from a material such as fluorine or vinyl chloride, is optionally formed thereon.

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OGINO SATOSHI (JP)
SUGAYA KEISHI (JP)
GOTOU HIROYUKI (JP)
KAWANOBE YUMI (JP)
MIYAGAWA KOUKI (JP)

PCT/JP2011/079713

June 28, 2012

December 21, 2011

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NISSHIN OILLIO GROUP LTD (JP)
MICROWAVE ABSORBERS INC (JP)
OGINO SATOSHI (JP)
SUGAYA KEISHI (JP)
GOTOU HIROYUKI (JP)
KAWANOBE YUMI (JP)
MIYAGAWA KOUKI (JP)

H05K9/00; C01B31/02

WO2010035829A1

2010-04-01

JP2002141691A	2002-05-17
JP2008130749A	2008-06-05
JP2009152374A	2009-07-09
JP2005317825A	2005-11-10
JP2008282862A	2008-11-20
JP2001311105A	2001-11-09
JPS59152696A	1984-08-31

YAMAUCHI, Hiroaki et al. (JP)
Hiroaki Yamauchi (JP)

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