C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 26/04 (2006.01) C04B 14/28 (2006.01) C04B 24/42 (2006.01) C09D 5/34 (2006.01) C09K 3/10 (2006.01)
Patent
CA 2504186
Wallboard joint compound compositions comprising water, calcium carbonate, a polyether siloxane copolymer, and a styrene-butadiene polymer are disclosed. The joint compound compositions display significantly reduced cratering, reduced shrinking, greater sag resistance, and excellent workability.
L'invention concerne des compositions faites de composés pour les joints de panneaux muraux contenant de l'eau, du carbonate de calcium, un copolymère de polyéther siloxane, et un polymère de styrène butadiène. Ces compositions faites de composés pour joints présentent une formation de cratères nettement réduite, un plissage faible, une meilleure résistance à l'affaissement, et une excellente aptitude au façonnage.
National Gypsum Properties Llc
Osler Hoskin & Harcourt Llp
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