abstract |
The invention provides a gypsum board composition comprising stucco, binder, water, and an additive for enhancing bonding, wherein the additive is of formula M I M II (OH) 2 (A n‑ )·mH 2 O represents, wherein M I Is a divalent metal ion, M II Is a trivalent metal ion, A n‑ Is an interlayer anion, M I And M II Are different metals. The invention also provides a gypsum board prepared from the composition and a method for using the compound shown in the chemical formula. |