GYPSUM BOARD AND PROCESS FOR PRODUCING GYPSUM BOARD

Title:

GYPSUM BOARD AND PROCESS FOR PRODUCING GYPSUM BOARD

Document Type and Number:

WIPO Patent Application WO/2017/104473

Kind Code:

A1

Abstract:

Provided is a gypsum board which comprises a gypsum core containing a sparingly water-soluble anti-termite agent, wherein when the gypsum core is divided in the thickness direction from one surface of the gypsum core toward the other surface into three regions having the same thickness, i.e., a first end region, a center region, and a second end region, then the first end region, center region, and second end region each contain the anti-termite agent, the content of the anti-termite agent in the center region being lower than the contents of the anti-termite agent in the first end region and the second end region.

Inventors:

NIIMI KATSUMI (JP)
YOKOYAMA ITARU (JP)
UMEHARA KAZUYUKI (JP)
ATAKA YUJI (JP)
OHKI KEIICHI (JP)
YOSHIDA SHINJI (JP)
YAMATO SABUROU (JP)
NAKAGAKI TADASHI (JP)
TANIGUCHI AYAKA (JP)

Application Number:

PCT/JP2016/086116

Publication Date:

June 22, 2017

Filing Date:

December 05, 2016

Export Citation:

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Assignee:

YOSHINO GYPSUM CO (JP)
OSAKA GAS CHEMICALS CO LTD (JP)

International Classes:

C04B28/14; B28B1/50; C04B24/12; E04B1/72; C04B103/67

Foreign References:

JPS5145121A	1976-04-17
JPS59812U	1984-01-06
JPS6355239A	1988-03-09
JPH08143030A	1996-06-04
JPH02209230A	1990-08-20
JPS6346509U	1988-03-29

Other References: