前言 引气剂是当前国外使用最广泛的砂浆、混凝土外加剂。在所出售的外加剂商品中多数是引气剂或引气剂的复合剂。 在砂浆和混凝土中掺入引气剂,由于引入适量的微小气泡,增加水泥砂浆的匀质性 Foreword Air-entraining agents are currently the most widely used mortar and concrete admixtures in foreign countries. Most of the admixtures sold are combinations of air-entraining agents or air-entraining agents. Incorporation of air-entraining agents in mortar and concrete, due to the introduction of appropriate micro-bubbles, increasing the homogeneity of cement mortar