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Title:
METHOD FOR PRODUCING HIGHLY THERMALLY CONDUCTIVE SILICONE RUBBER SPONGE COMPOSITION
Document Type and Number:
Japanese Patent JP2012153774
Kind Code:
A
Abstract:

To provide a method for producing a highly thermally conductive silicone rubber sponge composition which provides a silicone rubber cured product with high thermal conductivity and low heat capacity as well, and which is effective for a thermal fixing roll.

The method for producing a highly thermally conductive silicone rubber sponge composition which contains a hollow filler composed of an organic resin and thermally conductive powder, is a method for producing an addition reaction curing type highly thermally conductive silicone rubber sponge composition with which a highly thermally conductive silicone rubber sponge composition with a void volume rate of 10-70% is obtained by uniformly mixing (A) a liquid thermosetting organopolysiloxane composition containing the hollow filler composed of an organic resin and having viscosity of 200 Pa s or less at 25°C, which is prepared by premixing the hollow filler composed of an organic resin and an alkenyl group-containing organopolysiloxane, and (B) a liquid organopolysiloxane composition containing highly thermally conductive powder and having viscosity of 500 Pa s or less at 25°C, which is prepared by premixing thermally conductive powder whose heat conductivity being a single item is 15 W/m.K or more and an alkenyl group-containing organopolysiloxane.


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Inventors:
HIRABAYASHI SATAO
TOMIZAWA NOBUMASA
Application Number:
JP2011012787A
Publication Date:
August 16, 2012
Filing Date:
January 25, 2011
Export Citation:
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Assignee:
SHINETSU CHEMICAL CO
International Classes:
C08J9/32; C08K3/08; C08L83/05; C08L83/07; C08L101/00; F16C13/00; G03G15/20
Domestic Patent References:
JP2010092070A2010-04-22
JP2006265340A2006-10-05
JP2010256585A2010-11-11
JP2010092070A2010-04-22
JP2006265340A2006-10-05
JP2010256585A2010-11-11
Attorney, Agent or Firm:
Takashi Kojima
Saori Shigematsu
Katsunari Kobayashi
Takeshi Ishikawa



 
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