“polymeric superplasticizer”的概念、定义、翻译、参考文献-科学参考

单词	polymeric superplasticizer
释义	polymeric superplasticizer Encyclopedia 工学高分子助剂释 polymeric superplasticizer高分子减水剂能有效促进水泥颗粒分散的外加高分子物质，用少量产品即可显著改善和提高水泥净浆的流动性和工作性。它是用于水泥和混凝土中的非常重要的外加剂。在保持水泥净浆、混凝土的和易性和工作度不变的条件下，能显著减少拌合用水量并且提高混凝土强度，或者在保证水泥的和易性及强度不变的条件下可以节约水泥用量。
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