Title:
吸水性ボードの製造方法
Document Type and Number:
Japanese Patent JP7446637
Kind Code:
B2
Abstract:
To provide a water-absorbable board on which processing such as cutting is performed and which can improve a yield, and a manufacturing method thereof.SOLUTION: A water-absorbable board manufacturing method for manufacturing a water-absorbable board 1 containing a foamed glass material, includes: a dough making step S1 of mixing powdered glass foaming material, silica sand, slaked lime, and pulp with water to form slurry-like dough M; a plate-shaped dough forming step S2 of forming a slurry-like dough M into a plate of a predetermined thickness; a first drying step S3 of heating the dough M having been formed in a plate shape to be dried until water content reaches 40% or less; a hardening step S5 of heating the dough M having been dried while pressurizing it above atmospheric pressure to harden the same until the water content reaches 40% or less; and a second drying step S6 of drying the hardened plate-shaped dough M until the water content is reduced to 15% or less while being heated at a higher temperature than in the first drying step S3.SELECTED DRAWING: Figure 1
Inventors:
Take Chien
Application Number:
JP2022179872A
Publication Date:
March 11, 2024
Filing Date:
November 09, 2022
Export Citation:
Assignee:
Japan-Europe Environmental Protection Technology Co., Ltd.
International Classes:
C04B28/12; A47K3/00; B28B3/00; C04B14/02; C04B14/06; C04B16/02; C04B22/06
Domestic Patent References:
| JP2009023864A | ||||
| JP2014037678A | ||||
| JP2015211924A | ||||
| JP2006044986A | ||||
| JP2001334523A |
Attorney, Agent or Firm:
Shingo Sagawa
Kiyoko Ota
Yosuke Kawano
Yoko Ebe
Tomoyuki Okubo
Kiyoko Ota
Yosuke Kawano
Yoko Ebe
Tomoyuki Okubo
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