C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
154/114, 261/72
C04B 11/06 (2006.01) C04B 11/00 (2006.01) C04B 11/024 (2006.01) C04B 28/14 (2006.01) E04C 2/04 (2006.01) E04C 2/06 (2006.01)
Patent
CA 1279877
ABSTRACT OF THE DISCLOSURE The invention relates to a novel high-strength, fire-resistant composition containing calcium sulphate hemihydrate, a boron compound having fire-resistant properties including boric acid, anhydrous boric acid, sodium tetraborate decahydrate (borax) and sodium borate anhydrous, and aluminum and/ox silicon compound including aluminum hydroxide, aluminum oxide and sodium aluminate and sodium silicate, silicon dioxide, silica gel and silicic acid, natural or synthetic fibers and water. Such compositions can be used in building materials such as wallboard, thermal insulation, fire breaks and soundproofing panels. More particularly the invention constitutes a much improved type of composition having greater strength and fire-resistance stance when compared to standard gypsum wallboard and fire-related gypsum wallboard. The application of this composition in slurry form and the use of this novel composition for use in finishing joints between wallboard are also contemplated.
545352
Flanagan Richard J.
Jack Wayne A.
Vincent Gerald H.
Flanagan Richard J.
Gowling Lafleur Henderson Llp
Jack Wayne A.
Vincent Gerald H.
Winroc Holdings Ltd.
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