Some defects such as quick slump loss,poor compatibility with cement and easy bleeding were found in current use of a great number of naphthalene superplasticizers.

• 目前使用的大量萘系高效减水剂存在着坍落度损失大、与水泥的适应性差、易泌水等缺陷,本文运用物理多元复合技术对萘系高效减水剂进行了改性。