| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vacuum heat insulation body which can be used for the heat insulation of a construction such as a residence or a building, a facility and various machinery products, which can utilize energy efficiently. <P>SOLUTION: This vacuum heat insulation material has a ceramic with a tunnel form microporous matrix of a long diameter, a porous ceramic of a meerschaum of a fiber size of 0.2 μs and a fiber length of 5 to 50 μs in a range of 0.06-0.2 apparent specific gravity and a 250-330 surface area (m2/g) with respect to the true specific gravity 2.6 and a compound hybrid selected from the porous non-woven fabric felt formed of an animal fiber, a plant fiber, a chemical fiber etc. is sandwiched by a lamination material as a base sheet to support this and displacement seal an air layer of a hybrid with a vacuum in an extremely low pressure environment. <P>COPYRIGHT: (C)2008,JPO&INPIT |
