Title:
PAPER FACED GYPSUM BOARD AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/016860
Kind Code:
A1
Abstract:
A paper faced gypsum board, comprising: desulfuration gypsum, water, calcium oxide, sodium metaaluminate, crown ether, glass fiber, a retarder, and starch. Further provided is a preparation method for the paper faced gypsum board. The paper faced gypsum board can be prepared from low-grade desulfuration gypsum, and the physical performance of the paper faced gypsum board is excellent so that the utilization of the low-grade desulfuration gypsum is implemented.
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Inventors:
YIN DONGJIE (CN)
WANG PENGQI (CN)
TAN DANJUN (CN)
WANG YING (CN)
JIAN MING (CN)
HE LIANG (CN)
WU FADE (CN)
WANG PENGQI (CN)
TAN DANJUN (CN)
WANG YING (CN)
JIAN MING (CN)
HE LIANG (CN)
WU FADE (CN)
Application Number:
PCT/CN2019/098365
Publication Date:
February 04, 2021
Filing Date:
July 30, 2019
Export Citation:
Assignee:
BEIJING NEW BUILDING MAT PLC (CN)
International Classes:
C04B28/14
Foreign References:
| CN108724451A | 2018-11-02 | |||
| CN104909681A | 2015-09-16 | |||
| CN103964802A | 2014-08-06 | |||
| CN109020450A | 2018-12-18 | |||
| CN101935410A | 2011-01-05 | |||
| CN106278086A | 2017-01-04 | |||
| US20190023614A1 | 2019-01-24 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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