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Title:
MANUFACTURE OF FIBER-MIXED GYPSUM BOARD
Document Type and Number:
Japanese Patent JP2000071219
Kind Code:
A
Abstract:

To provide a method for manufacturing a fiber-mixed gypsum board which is a gypsum board with uniformly dispersed fibers and is useful industrially.

This method for manufacturing the fiber-mixed gypsum board comprises a step (I) to mix a paste (A) obtained by dispersing organic or inorganic fibers (C) in a mixture of a water-miscible liquid medium (a) and a dispersion retaining agent (b) and a gypsum slurry (B) containing gypsum and water at such a mixing ratio that the blending percentage of the organic or the inorganic fibers (c) is 0.01-3 pts.wt. to 100 pts.wt. gypsum and a step (II) to continuously supply the mixture manufactured in the step (I) to a base paper for the gypsum board.


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Inventors:
HANEDA JUNICHI
KANDA KAZUNORI
MORIMOTO MASATO
Application Number:
JP24516898A
Publication Date:
March 07, 2000
Filing Date:
August 31, 1998
Export Citation:
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Assignee:
NIPPON PAINT CO LTD
CHIYODA UTE CO LTD
International Classes:
B32B13/08; B28B1/52; C04B28/16; H05K9/00; (IPC1-7): B28B1/52; B32B13/08; C04B28/16; H05K9/00
Attorney, Agent or Firm:
Yasuo Yasutomi (2 outside)