Gypsum wallboard, and method of making same

Details Gypsum wallboard, and method of making same Gypsum wallboard, and method of making same

1998-08-21

1999-03-09

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106772, 106778, 106779, 106780, 106783, 106785, 106787, 106802, 106805, 106809, 106823, 156 39, 52443, 428703, C04B 1100

Patent

active

058794468

ABSTRACT:
A method of preparation of gypsum wallboard, as well as a core composition suitable for use therein, are disclosed. The core composition includes a slurry of calcium sulfate hemihydrate (stucco), water, and calcium aluminum lignosulfonate and/or aluminum lignosulfonate.

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