Surfactant composition for gypsum plaster boards

Details Surfactant composition for gypsum plaster boards Surfactant composition for gypsum plaster boards

2006-04-25

2006-04-25

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S678000, C106S680000, C106S778000, C106S783000, C156S039000, C427S372200, C428S703000

Reexamination Certificate

active

07033431

ABSTRACT:
A gypsum composition including gypsum, water, and a surfactant composition of alkyl sulfates of formula H(CH2)nOSO3−M+, in which n is from 6 to 16, the mean number of carbon atoms in the alkyl sulfate composition nmbeing between 10 and 11, and M is a monovalent cation. A process for the preparation of the gypsum composition and a gypsum board obtainable from this composition. Finally, a process for the manufacture of gypsum boards. Application for the manufacture of foamed gypsum boards.

REFERENCES:
patent: 5158612 (1992-10-01), Savoly et al.
patent: 5240639 (1993-08-01), Diez et al.
patent: 5643510 (1997-07-01), Sucech
patent: 967996 (1982-10-01), None
patent: 1252322 (1986-08-01), None
patent: 95/16515 (1995-06-01), None
patent: 99/08978 (1999-02-01), None
patent: 00/06518 (2000-02-01), None

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