Plaster composition containing water-reducing agent

Details Plaster composition containing water-reducing agent Plaster composition containing water-reducing agent

1978-04-06

1980-01-22

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106 3835, C04B 1114

Patent

active

041848870

ABSTRACT:
A plaster composition containing an agent for reducing the amount of water necessary in forming a pourable aqueous calcined gypsum slurry, the agent comprising a high potassium salt of a condensation product of naphthalene and sulfonic acid having a molecular weight between about 300 and 3,000. Aqueous plaster slurries containing the agent are pourable, moldable and castable with much less excess water than ordinarily required, resulting in dried cast products of increased strength and other physical property benefits.

REFERENCES:
patent: 3277162 (1966-10-01), Johnson
patent: 3465825 (1969-09-01), Hook et al.
patent: 3582376 (1971-06-01), Ames
patent: 3686133 (1972-08-01), Hattori et al.
patent: 3847635 (1974-11-01), Lange et al.
patent: 4028125 (1977-06-01), Martin

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