The result showed using polycarboxylate acid could reduce the cost of the concrete and elevate the concrete durability.
试验结果表明C30混凝土使用聚羧酸可以降低混凝土成本，提高混凝土的耐久性。
Based on molecular design theory of polymer, a kind of low slump loss polycarboxylate type superplasticizer was synthesized.
应用高分子设计原理，合成了一种低坍损聚羧酸系高效减水剂。
A three repeating unit polycarboxylate dispersant is included in the mixture in amounts from about 0.2% to about 10% by weight.
三个重复单元的聚羧酸盐分散剂以约0.2重量％至约10重量％的量包含于所述混合物中。
Based on molecular design theory of polymer, a kind of low slump loss comb-like polycarboxylate type superplasticizer was synthesized.
应用高分子设计原理，合成了一种低坍损梳形聚羧酸系高效减水剂。
The invention relates to a polycarboxylate composite water reducing agent suitable for low-cementitious material concrete and a preparation method thereof.
本发明涉及一种聚羧酸复合减水剂及其制备方法，适用于低胶凝材料混凝土。
Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.
通过大分子反应，合成了一类主链带羧基、磺酸基，支链带聚氧乙烯基醚的聚羧酸系高效减水剂。
A kind of unsaturated polyether was adopted as the reactive monomer, synthesis a new type of polycarboxylate superplasticizer with high dispersibility and long retention characters.
采用了工业化的不饱和聚醚多元醇为反应单体，合成了一种高减水率，长缓凝时间的新型聚羧酸系高效减水剂。
The synthetic superplasticizer has little difference in performance compared to other products around the world, but the synthetic polycarboxylate superplasticizer has good cost performance.
在与国内外同类产品的对比试验中，自制减水剂与其性能相差不大，但成本低，自制产品的性价比高。
Based on the analysis of the chemical structure of polycarboxylate-type superplasticizers with polyoxyethylene (PEO) side chains, the dispersing properties for cement particles were investigated.
基于对羧酸的化学构造剖析与乙烯型高效减水剂(peo)的侧链的水泥颗粒的分散性能停止了研讨。
Based on the analysis of the chemical structure of polycarboxylate-type superplasticizers with polyoxyethylene (PEO) side chains, the dispersing properties for cement particles were investigated.
基于对羧酸的化学构造剖析与乙烯型高效减水剂(peo)的侧链的水泥颗粒的分散性能停止了研讨。
应用推荐