Title:
GYPSUM BOARD AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/005022
Kind Code:
A1
Abstract:
A gypsum board, which comprises a board core and a face protection paper, wherein the board core comprises dihydrate gypsum obtained by hydrating a gypsum clinker, glass fibers, starch and an aerogel felt, the aerogel felt is provided with through holes and the through holes are parallel to the vertical direction of the face protection paper; and a gypsum slurry comprises the following raw materials in parts by weight: 100 parts of a gypsum clinker, 0.05-0.2 part of glass fibers and 0.2-1 part of starch; and the aerogel felt has excellent thermal insulation and fire resistance, but the aerogel felt is difficult to combine with the gypsum board due to the hydrophobic property thereof. By means of the present application, the aerogel felt with uniformly arranged holes is arranged in the middle of the board core of the gypsum board, and the two upper and lower layers of gypsum slurry are connected and solidified at the holes, and the glass fibers in the slurry play a role in strengthening the connection.
Inventors:
YIN DONGJIE (CN)
WANG YING (CN)
WANG PENGQI (CN)
TAN DANJUN (CN)
WANG YING (CN)
WANG PENGQI (CN)
TAN DANJUN (CN)
Application Number:
PCT/CN2021/126817
Publication Date:
February 02, 2023
Filing Date:
October 27, 2021
Export Citation:
Assignee:
BEIJING NEW BUILDING MAT PLC (CN)
International Classes:
C04B28/14; C04B38/02
Foreign References:
| CN111807800A | 2020-10-23 | |||
| CN108166698A | 2018-06-15 | |||
| CN104529367A | 2015-04-22 | |||
| CN102725243A | 2012-10-10 | |||
| CN108863260A | 2018-11-23 | |||
| JP2013066460A | 2013-04-18 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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