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Title:
LOW CARBON UNFIRED BRICK
Document Type and Number:
Japanese Patent JP2005139062
Kind Code:
A
Abstract:

To provide a low carbon unfired brick being excellent in corrosion resistance, thermal shock resistance, high high-temperature strength and slag penetration resistance and having sufficient service durability and hardly causing carbon pick-up.

The low carbon unfired brick is manufactured by adding a mesophase pitch of 0.5-5 mass% and a thermosetting resin of 0.5-5 mass% per total mass to a refractory raw material mixture not containing flake-like graphite of 100 mass%, kneading, forming and heating. As a carbon composite texture generated by the carbonization of the mesophase pitch and the thermosetting resin is formed to be a nano-sized fiber or a strip-like shape under their coexistence, the low carbon unfired brick being excellent in flexibility and thermal shock resistance and easily developing strength is obtained.


Inventors:
HOKII TOSHIYUKI
KIDO YUJI
YAMAMOTO KENZO
SURUGA TOSHIHIRO
FUCHIMOTO HIROYUKI
Application Number:
JP2004299121A
Publication Date:
June 02, 2005
Filing Date:
October 13, 2004
Export Citation:
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Assignee:
KUROSAKI HARIMA CORP
International Classes:
C04B35/06; C04B35/043; C04B35/63; (IPC1-7): C04B35/043; C04B35/06; C04B35/63
Domestic Patent References:
JPH11322405A1999-11-24
JPH05148006A1993-06-15
JPH0354155A1991-03-08
JPH05270889A1993-10-19
JPS61205660A1986-09-11
JP2000044357A2000-02-15
Attorney, Agent or Firm:
Masu Kobori
Takato Tsutsumi



 
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