Title:
GYPSUM BOARD
Document Type and Number:
Japanese Patent JPH10337803
Kind Code:
A
Abstract:
To prevent bad health or discomfort feeling of a resident suffering from a gypsum board, by giving formaldehyde capturing and removing functions to the gypsum board to be used for an inner wall face or ceiling face of a building.
The gypsum board comprises a formaldehyde capturing layer 3 on a surface of a gypsum layer 2. The layer 3 has a resin layer obtained by coating or immersing a gypsum board base sheet 1 with formaldehyde scavenger or incorporating the scavenger in the sheet 1. Or, a decorative sheet 7 having a resin layer 5 containing formaldehyde scavenger may be pasted on a surface of a base material sheet 6. The resin layer containing the scavenger is preferably an aqueous resin layer containing hydrazine derivative.
Inventors:
ISHII YUJI
YOSHIMURA MASAYASU
SUZUKI HITOSHI
YOSHIMURA MASAYASU
SUZUKI HITOSHI
Application Number:
JP14944597A
Publication Date:
December 22, 1998
Filing Date:
June 06, 1997
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD
International Classes:
E04F13/14; A61L9/01; B32B13/04; E04C2/04; E04F15/08; (IPC1-7): B32B13/04; A61L9/01; E04C2/04; E04F13/14; E04F15/08
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