Modifiers for gypsum slurries and method of using them

Details Modifiers for gypsum slurries and method of using them Modifiers for gypsum slurries and method of using them

2006-06-09

2009-10-27

Marcantoni, Paul (Department: 1793)

Stock material or miscellaneous articles

Composite

Of inorganic material

C106S772000, C106S773000, C106S774000, C106S776000, C106S778000

Reexamination Certificate

active

07608347

ABSTRACT:
An improved gypsum slurry that includes water, calcium sulfate hemihydrate, a polycarboxylate dispersant and a modifier. The modifier is chemically configured to improve the efficacy of the polycarboxylate dispersant. Preferred modifiers include cement, lime, slaked lime, soda ash, carbonates, silicates and phosphates.

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