C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/46, 261/73
C04B 11/00 (2006.01) C04B 28/14 (2006.01)
Patent
CA 1085880
FOAMING AGENTS FOR GYPSUM BOARD MANUFACTURE ABSTRACT This invention relates to a novel means of manu- facture of gypsum board. The improvement herein comprises the use of sodium and/or ammonium salts of ethoxylated, sul- fated alcohols as foaming agents, said alcohols being a mix- ture of primary, linear alcohols having an average chain length of 9 carbon atoms.
288702
Domtar Inc.
Fox Robert H.
LandOfFree
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