| 摘要 |
PROBLEM TO BE SOLVED: To provide a porous self-supporting clay film excellent in not only heat resistance but also thermal insulation properties and a method for producing the porous self-supporting clay film. SOLUTION: The porous self-supporting clay film is based on clay, has such a structure that clay layered crystals are layered on one another, is used as a self-supporting film, has a void among the adjacent clay layered crystals, and has a hole which penetrates the clay layered crystals and reaches the surface of the clay film. COPYRIGHT: (C)2010,JPO&INPIT
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