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Patent Searching and Data


Title:
PLASTERBOARD HAVING ENVIRONMENT IMPROVING FUNCTION
Document Type and Number:
Japanese Patent JP2005247635
Kind Code:
A
Abstract:

To provide a plasterboard which performs an environment improving function by a humidity-conditioning material and more efficiently exhibits an environment improving function such as a function of releasing negative ions.

The plasterboard is composed of raw paper for a plasterboard and a gypsum layer integrally bonded to the raw paper. In the plasterboard, the gypsum layer contains an inorganic porous humidity-conditioning material and a radioactive material. In the gypsum plasterboard, the inorganic porous humidity-conditioning material and the radioactive material are contained in an inorganic porous humidity-conditioning material/radioactive material ratio of 75:25 to 99.5:0.5.


Inventors:
YOSHIDA SHIGEO
FUJITA TAKUMI
Application Number:
JP2004000060493
Publication Date:
September 15, 2005
Filing Date:
March 04, 2004
Export Citation:
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Assignee:
PANAHOME CORP
CHIYODA UTE CO LTD
International Classes:
E04B1/64; B32B13/08; C04B14/04; C04B14/36; C04B28/14; C04B38/00; E04B1/92; E04C2/04; (IPC1-7): C04B28/14; B32B13/08; C04B14/04; C04B14/36; C04B38/00; E04B1/64; E04B1/92; E04C2/04
Attorney, Agent or Firm:
松本 武彦