Title:
MOLECULAR SIEVE CARBON FILM AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JP3647985
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prepare a molecular sieve carbon film having good selective permeability, high strength, and heat resistance by making a carbon film having a carbon content of at least a given value and lots of pores adhere to the surface of a porous ceramic material of a specified shape.
SOLUTION: A porous ceramic material such as alumina, silica is used, and the porosity of the material is made 30-80%. A thermosetting resin such as a phenol and a melamine resin is applied on the surface of the material to form a polymer film, and the film is heat-treated at 550-1100°C in a nonoxidative atmosphere. A molecular sieve carbon film having a carbon content of not less than 80% and lots of pores at least 1nm in diameter is prepared. The film can separate and purify a component of a specified molecular size selectively from various mixed gases of different molecular sizes and is good in heat resistance, chemical resistance and has high strength.
Inventors:
Kenichi Okamoto
Kita Hidetoshi
Marumo Chisato
Masaki Yamamoto
Kita Hidetoshi
Marumo Chisato
Masaki Yamamoto
Application Number:
JP22739796A
Publication Date:
May 18, 2005
Filing Date:
August 09, 1996
Export Citation:
Assignee:
Kanebo Co., Ltd.
International Classes:
B01D53/22; B01D71/02; (IPC1-7): B01D71/02; B01D53/22
Domestic Patent References:
| JP1262902A | ||||
| JP4326960A | ||||
| JP8299769A |