混凝土坍落度损失的问题若获得解决,那在商品混凝土中高减水率混凝土的制备、运输以及等侯时间的延长就有可能。这样,高减水率的混凝土就可以与普通混凝土同样方便地广泛使用。本研究是有关采用新发展的反应性高分子为主要成分,配制新的高效引气减水剂,使混凝土坍落度得到控制的技术报告。即在混凝土中,由于反应 If the problem of concrete slump loss is solved, it is possible that the high water-reducing rate of concrete in commercial concrete can be prepared, transported, and extended waiting time. In this way, concrete with a high water reduction rate can be used as easily and conveniently as ordinary concrete. This study is a technical report on the use of newly developed reactive macromolecules as the main component to formulate new high efficiency air-entraining water-reducing agents and to control concrete slumps. In concrete, due to reaction