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萘系高效减水剂的优化合成与改性
Authors
何柳
胡红梅
马保国
Publication date
25 September 2005
Publisher
Abstract
研究了工业萘系高效减水剂合成工艺的优化方案,得出了各合成阶段的关键工艺参数———时间、温度和原料用量的最佳控制值。尝试了一次性投酸法和用石灰代替液碱中和等新的工艺手段,前者可以简化合成工艺,但不会影响产品质量;后者不仅可以降低成本,而且所得产品除了用作减水剂,还可兼作加气混凝土的稳泡剂。对复合改性的研究发现,“萘系-糖钙”复合外加剂,既保持了显著的减水、增强效果,又达到了控制混凝土坍落度损失的改性目的
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Last time updated on 16/06/2016