GYPSUM COMPOSITIONS WITH NAPHTHALENE SULFONATE AND MODIFIERS

An improved gypsum slurry that includes water, calcium sulfate hemihydrat e, a naphthalene sulfonate dispersant and a modifier. The modifier is chemic ally configured to improve the efficacy of the naphthalene sulfonate dispers ant. Preferred modifiers include cement, lime, slaked lime, soda ash, ca...

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Bibliographic Details
Main Authors SHAKE, MICHAEL P, BLACKBURN, DAVID R, LIU, QINGXIA
Format Patent
LanguageEnglish
French
Published 24.07.2008
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
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Summary:An improved gypsum slurry that includes water, calcium sulfate hemihydrat e, a naphthalene sulfonate dispersant and a modifier. The modifier is chemic ally configured to improve the efficacy of the naphthalene sulfonate dispers ant. Preferred modifiers include cement, lime, slaked lime, soda ash, carbon ates, silicates and phosphates.
Bibliography:Application Number: CA20072670942