METHODS AND COMPOSITIONS FOR IMPROVING AIR ENTRAINMENT IN CEMENTITIOUS MIXTURES

摘要

Suggested is a method for improving air entrainment, comprising the steps of: (i) providing a compound (a) selected from the group consisting of an amphoteric, an alkyl polyglycoside, an ester, an optionally alkoxylated triglyceride, a triglyceride derivative, a fatty alcohol, an alkoxylated fatty alcohol, an alkoxylated polyhydric fatty alcohol, and mixtures thereof; (ii) dispersing the compound on a particulate carrier to form a treated carrier; and (iii) adding the treated carrier to a cementitious mixture.