Wood cement board and a manufacturing method thereof
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United States of America Patent
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-
Aug 31, 1999
Issued Date -
N/A
app pub date -
Jul 25, 1997
filing date -
May 29, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wood cement board substantially consisting of reinforcing wood material and a cement wherein said reinforcing wood material is treated by a method comprising attaching an aqueous solution of a mineral acid and adding and mixing an alkaline metal silicate in said reinforcing wood material to prevent the inhibition of hardening of cement by sugar contained said reinforcing wood material is provided in the present invention. According to the present invention, a wood cement board having a high strength is constantly manufactured by using reinforcing wood material made from wood having a big amount of sugar as an inhibiter of hardening of cement such that reinforcing wood material regenerated from wood scrap can be used in wood cement board without any problem.
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