Solid supported comb-branched copolymers as an additive for gypsum compositions
AssigneeArco Chemical Technology, L.P.
InventorsSteven A. Schwartz, Frank J. Liotta, Jr.
Life of this patent
Estimating the term…
Abstract
A gypsum composition suitable for use in the manufacture of gypsum products is provided. The gypsum composition includes gypsum, water, and a solid dispersant comprising a supported acrylic/polyether comb-branched copolymer. A method of making a gypsum composition is also provided. The method includes mixing together, in any combination, gypsum, water, and a solid dispersant comprising a supported acrylic/polyether comb-branched copolymer.
Claims34
A gypsum composition suitable for use in the manufacture of gypsum products, said gypsum composition comprising:
- a) gypsum;
- b) water;
- and
- c) a solid dispersant comprising a supported acrylic/polyether comb-branched copolymer.
A method of making a gypsum composition suitable for use in the manufacture of gypsum products, said method comprising mixing together, in any combination,:
- a) gypsum;
- b) water;
- and
- c) a solid dispersant comprising a acrylic/polyether comb-branched copolymer supported on a support material.
Dependencies are inferred from the claim text.