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    MOISTURE ABSORBING AND RELEASING MATERIAL WITH SMALL HYSTERESIS AND STEAM DURABILITY
    6.
    发明专利
    MOISTURE ABSORBING AND RELEASING MATERIAL WITH SMALL HYSTERESIS AND STEAM DURABILITY 失效

    公开(公告)号：JP2001029781A

    公开(公告)日：2001-02-06

    申请号：JP20870699

    申请日：1999-07-23

    Applicant: AGENCY IND SCIENCE TECHN

    Inventor： OHASHI FUMIHIKO ,  MAEDA MASAKI ,  INUKAI KEIICHI ,  SUZUKI MASAYA ,  WATAMURA SHINJI

    IPC: B01J20/10 ,  B01D53/28 ,  C01B33/12 ,  C01B37/02

    Abstract: PROBLEM TO BE SOLVED: To obtain a new moisture absorbing and releasing material being repeatedly usable and with steam durability and excellent autonomic moisture absorbing and releasing function by constituting a compsn. for a porous material synthesized by using a surfactant or an org. substance with a long chain alkyl group as a casting mold of a mixed compsn. of a silicon compd. and a titanium compd. SOLUTION: A moisture absorbing and releasing material comprizing a compsn. of a porous material with convergent hysteresis and an autonomic moisture absorbing and releasing function is provided. i.e., the moisture absorbing and releasing material comprising a porous material consisting of a main compsn. of a porous material synthesized so as to surround the casting mold by periodically arranging a substance wherein a surfactant whose chain length is const. or an org. substance with a long chain alkyl group as a casting mold comprises a mixed compsn. of a silicon compd. and a titanium compd. and whose mean value of the fine pore diameter is controlled to 2-6 nm, is provided. The porous material like this is obtd. by a method wherein after the periphery of the org. substance is surrounded with the silicon compd. and titanium compd. and is polymerized, incineration or extraction is performed to remove org. substance.

    MOISTURE ABSORPTION-DESORPTION POROUS STRUCTURE AND MANUFACTURE THEREOF
    8.
    发明专利
    MOISTURE ABSORPTION-DESORPTION POROUS STRUCTURE AND MANUFACTURE THEREOF 失效

    公开(公告)号：JP2000104353A

    公开(公告)日：2000-04-11

    申请号：JP29459798

    申请日：1998-09-30

    Applicant: AGENCY IND SCIENCE TECHN

    Inventor： WATAMURA SHINJI ,  MAEDA MASAKI ,  INUKAI KEIICHI ,  OHASHI FUMIHIKO ,  SUZUKI MASAYA ,  SHIBAZAKI YASUO

    IPC: E04B1/64 ,  C04B28/24 ,  C04B38/00

    Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a porous wall material, in which molding and solidifying are conducted without reducing the steam absorption of porous powder having no moldability and which displays an autonomous humidity-conditioning function. SOLUTION: A porous wall material combining hygroscopicity and moisture absorption characteristics without damaging porosity and having pores in nanometer order is manufactured by preparing and drying molded and solidified forms by utilizing the viscosity of a silica sol. Accordingly, a functional material autonomically having a humidity-conditioning function can be supplied without imparting energy from the outside by a capillary condensation phenomenon generated in pores in nanometer order by providing an energy-conservative porous solidified-form manufacture as a molding method making the strength of porous powder having no moldability and steam absorption coexist.

    MANUFACTURE OF LAMINAR PARTICLE FILM
    9.
    发明专利
    MANUFACTURE OF LAMINAR PARTICLE FILM 失效

    公开(公告)号：JPH0857406A

    公开(公告)日：1996-03-05

    申请号：JP3098994

    申请日：1994-02-02

    Applicant: AGENCY IND SCIENCE TECHN

    Inventor： INUKAI KEIICHI ,  WATAMURA SHINJI ,  SUZUKI KENJI ,  YAMAGISHI AKIHIKO

    IPC: B01D71/02 ,  B01J19/00 ,  B05D1/18 ,  B05D1/20 ,  B05D3/00 ,  B32B5/16 ,  B32B19/04 ,  C01B33/40

    Abstract: PURPOSE: To make a laminar inorganic compound having a complicated structure and composition into a film, arrange the thin laminar particles correctly and manufacture a laminar particle film by turning the surfaces of the laminar particles hydrophobic, dispersing the particles on a water surface and making the particles adhere to a substrate. CONSTITUTION: The surfaces of laminar particles are turned into hydrophobic and dispersed on a water surface, and then made to adhere to a substrate to manufacture a laminar particles film. On the other hand, the manufacturing processes are repeated to control the thickness of laminar particle film. In the manufacture, for example, a film manufacturing device composed of a trough 1, a movable barrier 2, a vertical immersion plate 3 and a surface pressure sensor 4 is used. At that time, the formation status and reproducibility of the film are presumed based on the measurement (π-A curve) of surface pressure (π) and development area (A). As a result, when the ratio between the dispersed liquid volume and the maximum development area is too large, the particles on a development surface are brought into contact with one another to form weakly composite particles, which is not preferable as it takes a long time to form desired monolayer particles.

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