Plaster compositions containing oxo-polycarboxylic acids as a se

Details Plaster compositions containing oxo-polycarboxylic acids as a se Plaster compositions containing oxo-polycarboxylic acids as a se

1976-03-17

1978-07-25

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106315, 260514K, C04B 1114

Patent

active

041027019

ABSTRACT:
Oxo-polycarboxylic acids act as set control agents, preferably as set retarders for plasters. Examples of usable acids are 2,2,6,6-tetra(.beta.-carboxyethyl)cyclohexanone, 2,2-di(.beta.-carboxyethyl)-3,5,5-trimethylcyclohexanone or 3-acetyl-3(.beta.-carboxyethyl)-pimelic acid. Also the salts of these acids are usable. The set control agents are added to the plaster in amounts of 5 to 5000 ppm.

REFERENCES:
patent: 2329432 (1943-09-01), Bruson
patent: 3598621 (1971-08-01), Ferrara
The American College Dictionary; Random House, New York, 1947, p. 928.

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