阅读说明：本技术 消泡剂乳液 (Antifoam emulsions ) 是由 李诗丞 王益亨 何萍 于 2018-05-15 设计创作，主要内容包括：本发明涉及一种消泡剂乳液,其包含至少一种烷基醚硫酸盐或磺酸盐、至少一种消泡剂和水,其中所述烷基醚硫酸盐或磺酸盐中的烷基是C<Sub>6</Sub>-C<Sub>22</Sub>烷基且所述乳液的平均微滴直径小于300nm。本发明还提供其生产方法、包含所述消泡剂乳液的聚羧酸酯醚配制剂和包含所述聚羧酸酯醚配制剂的水泥组合物。本发明的消泡剂乳液具有高透射比和优异的稳定性。包含所述消泡剂乳液的聚羧酸酯醚配制剂也表现出优异的稳定性。包含根据本发明的聚羧酸酯醚配制剂的水泥组合物具有低含气量。(The invention relates to an antifoam emulsion comprising at least one alkyl ether sulfate or sulfonate, at least one antifoam and water, wherein the alkyl group in the alkyl ether sulfate or sulfonate is C 6 ‑C 22 Alkyl and the emulsion has a mean droplet diameter of less than 300 nm. The invention also provides a method for the production thereof, a polycarboxylate ether formulation comprising the defoamer emulsion and a cement composition comprising the polycarboxylate ether formulation. The defoamer emulsion of the invention has high transmittance and excellent stability. Polycarboxylate ether formulations comprising the defoamer emulsion also exhibit excellent stability. The cement compositions comprising the polycarboxylate ether formulations according to the invention have a low gas content.)