It proposed that considerations on retarding time, slump loss and cement kinds are important for retarding plasticizer matching.
提出配置缓凝型减水剂应综合考虑缓凝时间要求、坍落度损失和水泥品种。
The performance of water reducing and slump-loss retarding of polycarboxylatetype superplasticizers was determined by the monomer types which had different constitution and functional groups.
用于合成多羧酸共聚物的单体结构和官能团不同，对于减水与保塑性能的影响不同；选择含不同官能团的多种单体，合成一系列多羧酸型高效减水保塑剂；
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