Sag resistant compositions

Details Sag resistant compositions Sag resistant compositions

C - Chemistry, Metallurgy

08

K

154/107, 261/45,

C08K 3/22 (2006.01) C04B 28/02 (2006.01) C08L 101/00 (2006.01) C09J 1/00 (2006.01)

Patent

CA 1096078

COMPOSITE TCA-78 TCA-78A TCA-78B UNITED STATES PATENT APPLICATION OF: Jeffrey R. Ellis and Herman B. Wagner FOR: SAG RESISTANT COMPOSITIONS ABSTRACT OF THE DISCLOSURE There is provided a new sag resistance imparting agent selected from among gelatinous metal hydroxides and metal salts capable of forming a gelatinous or hydrated hydroxide in the presence of a water soluble alkaline material, the agent being useful for providing sag resistance in adhesive compositions including: (i) dry-set cementitious mortar compositions com- prising an hydraulic cement, at least one water soluble high molecular weight polymer, and optionally, at least one sub- stantially water insoluble polymer; (ii) hydraulic non-dry-set compositions comprising an hydraulic cement or plaster of paris, and (iii) non-hydraulic compositions comprising a room tem- perature hardening polymer in the form of a resinous liquid or an emulsion, suspension, dispersion, partial solution or total solution. Methods of imparting sag resistance to adhesive compositions such as the aforementioned and methods of use for sag resistant compositions in the installation of wall and floor covering surfaces are also provided.

293325

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