Title:
HEAT INSULATING MATERIAL AND METHOD FOR PRODUCING HEAT INSULATING MATERIAL
Document Type and Number:
Japanese Patent JP2023019719
Kind Code:
A
Abstract:
To provide a heat insulating material capable of preventing generation of particles without deteriorating thermal insulation performance.SOLUTION: There is provided a heat insulating material 10 using carbon fibers 2 which has a coating layer 6 containing a pyrolytic carbon on the surface and an underlying layer 5 containing carbon-based particles 4 between carbon fibers 2 under the coating layer 6, There is provided a method for producing the heat insulating material 10 which comprises an underlying layer formation step of forming an underlying layer 5 by impregnating the surface of molded bodies 3 of carbon fibers 2 with a slurry containing carbon-based particles 4 and a CVD step of forming a coating layer 6 containing a pyrolytic carbon on the underlying layer 5 by a chemical vapor deposition method by putting the molded bodies 3 in a CVD furnace.SELECTED DRAWING: Figure 1
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Inventors:
KOBAYASHI TOMOYA
KITAGUCHI HIRO
KITAGUCHI HIRO
Application Number:
JP2021124661A
Publication Date:
February 09, 2023
Filing Date:
July 29, 2021
Export Citation:
Assignee:
IBIDEN CO LTD
International Classes:
B32B5/24; B32B18/00; C04B35/52; C04B35/83; F16L59/02
Attorney, Agent or Firm:
Patent Attorney Corporation Eiko Office
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