Compositions: coating or plastic – Coating or plastic compositions – Proteinaceous material containing
Patent
1979-05-23
1980-08-19
Vertiz, O. R.
Compositions: coating or plastic
Coating or plastic compositions
Proteinaceous material containing
106114, 106315, C04B 1114, C04B 1122
Patent
active
042182611
ABSTRACT:
A retarder for gypsum plaster is provided which consists essentially of .beta.-hydroxy-.beta.-carboxy-isocaproic acid or a water soluble salt thereof. It has powerful retarding effect toward gypsum plaster and gives a solid product having much better mechanical strength than that encountered when an alkali metal salt of citric acid or powdered glue which are the ordinary set retarders are used. A process for retarding the setting of gypsum plaster by the use thereof, is also provided.
REFERENCES:
patent: 2448218 (1948-08-01), Haddon
patent: 2607427 (1952-08-01), Bond et al.
patent: 3215549 (1965-11-01), Ericson
patent: 3451832 (1969-06-01), Kuntze
patent: 3598621 (1971-08-01), Ferrara
patent: 3656985 (1972-04-01), Bonnel et al.
Iwai Shizuo
Takeuchi Koji
Zama Takashi
Ajinomoto Company Incorporated
Straub Gary R.
Vertiz O. R.
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