Reinforced plasterboard and method of forming
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United States of America Patent
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-
Feb 20, 1990
Issued Date -
N/A
app pub date -
Oct 12, 1988
filing date -
Aug 1, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention is directed to a process for the manufacture of plasterboard optionally strengthened with reinforcing materials by mixing gypsum capable of rehydration with water and optionally reinforcing materials and subsequently pressing the resulting mixture, characterized in that polyisocyanates are added to the mixture used for producing the plasterboard and/or are applied to the surface of the finished plasterboard. The invention is also directed to the optionally reinforced plasterboard.
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Family
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Cited Art Landscape
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