Patent ID: 7972436

Claim:
A hydratable cementitious composition containing a cementitious binder and an admixture composition, said admixture composition comprising: a plasticizer for modifying a cementitious composition; a first surface active agent comprising a betaine, an alkyl sulfonate, an aryl sulfonate, an alkylaryl sulfonate, or a mixture thereof; and a second surface active agent comprising a nonionic oxyalkylene-containing polymer surfactant represented by at least one of the formulae “A” through “D”: wherein x and x′ independently represent an integer of from 1 to 140; and y represents an integer of from 15-70; wherein v and v′ independently represent an integer of from 9 to 27; and w represents an integer of from 4 to 232; wherein q, q′, q″, and q′″ independently represent an integer of from 4 to 31; and r, r′, r″, and r′″ independently represent an integer of from 2 to 140; and wherein m, m′, m″, and m′″ independently represent an integer of from 1 to 95; and n, n′, n″, and n′″ independently represent an integer of from 8 to 32.