Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1972-08-29
1976-03-30
Anderson, Harold D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 294UA, 260 4213, 427258, C08L 2504, C08L 3104, C08L 3308, C08L 3310
Patent
active
039473988
ABSTRACT:
The invention provides a fluid plaster composition having desirable flow properties and being capable of setting to a hard material, said composition comprising a calcium sulphate alpha-hemihydrate plaster and an aqueous resin emulsion capable of forming a hard material on removal of water, the relative proportions of the plaster and the resin being such that the plaster takes up the major part of the water in the emulsion when it sets. The resins are preferably homopolymers and copolymers of lower alkyl acrylates and methacrylates, styrene and vinyl acetate. The composition is particularly useful for providing a self-levelling, quick-setting, tough flooring composition which is stable at usual ambient temperatures. Other uses include the casting of art objects such as statuettes.
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