Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Plastic-retaining polycarboxylate superplasticizer synthesized at normal temperature
The invention discloses a plasticity-maintaining polycarboxylate superplasticizer synthesized at normal temperature, and the plasticity-maintaining polycarboxylate superplasticizer is characterized in that 20-50 parts of a polycarboxylic acid solution, 50-100 parts of a slump retaining type polycarboxylic acid water reducing agent and 25-45 parts of a slow release type polycarboxylic acid water reducing agent are put into a reaction kettle; meanwhile, 200-6000 parts of a polycarboxylic acid water reducing agent macromonomer and 200-600 parts of water are mixed and then added into the reaction kettle, a synthetic reaction is carried out at the normal temperature, the reaction time needs to be completed within 1-6 h, the synthetic product is integrally adjusted to re-adjust the type and the ratio of the raw materials of the polycarboxylate superplasticizer; the synthesis mode and the synthesis method are defined, and each link of the synthesis method is controlled so as to synthesize the plasticity-maintaining polycarboxylate superplasticizer meeting the use function requirements, and the total synthesis process of the plasticity-maintaining polycarboxylate superplasticizer is completed under the normal temperature condition, and during the synthesis reaction process, reaction instruments and equipment are covered with heat preservation, so the synthesis reaction is stably and efficiently carried out, and the synthesis effect is improved.
本发明公开了：一种常温合成的保塑型聚羧酸减水剂，其特征在于；将聚羧酸溶液20～50份、保坍型聚羧酸减水剂50～100份和缓释型聚羧酸减水剂25～45份，放入反应釜，同时将聚羧酸减水剂大单体200～6000分与水200～600份混合后加入反应釜，常温状态下进行合成反应，反应时间需要在1h～6h完成，将合成产物整体调节，重新调整聚羧酸减水剂原料的种类和比例，明确合成的方式方法，控制合成方法的各个环节，从而合成出符合使用功能要求的保塑型聚羧酸减水剂，并且在常温条件下，完成保塑型聚羧酸减水剂的全合成过程，同时在合成反应过程中，对反应仪器设备进行保温覆盖，使合成反应稳定高效地进行，提升合成效果。
Plastic-retaining polycarboxylate superplasticizer synthesized at normal temperature
The invention discloses a plasticity-maintaining polycarboxylate superplasticizer synthesized at normal temperature, and the plasticity-maintaining polycarboxylate superplasticizer is characterized in that 20-50 parts of a polycarboxylic acid solution, 50-100 parts of a slump retaining type polycarboxylic acid water reducing agent and 25-45 parts of a slow release type polycarboxylic acid water reducing agent are put into a reaction kettle; meanwhile, 200-6000 parts of a polycarboxylic acid water reducing agent macromonomer and 200-600 parts of water are mixed and then added into the reaction kettle, a synthetic reaction is carried out at the normal temperature, the reaction time needs to be completed within 1-6 h, the synthetic product is integrally adjusted to re-adjust the type and the ratio of the raw materials of the polycarboxylate superplasticizer; the synthesis mode and the synthesis method are defined, and each link of the synthesis method is controlled so as to synthesize the plasticity-maintaining polycarboxylate superplasticizer meeting the use function requirements, and the total synthesis process of the plasticity-maintaining polycarboxylate superplasticizer is completed under the normal temperature condition, and during the synthesis reaction process, reaction instruments and equipment are covered with heat preservation, so the synthesis reaction is stably and efficiently carried out, and the synthesis effect is improved.
本发明公开了：一种常温合成的保塑型聚羧酸减水剂，其特征在于；将聚羧酸溶液20～50份、保坍型聚羧酸减水剂50～100份和缓释型聚羧酸减水剂25～45份，放入反应釜，同时将聚羧酸减水剂大单体200～6000分与水200～600份混合后加入反应釜，常温状态下进行合成反应，反应时间需要在1h～6h完成，将合成产物整体调节，重新调整聚羧酸减水剂原料的种类和比例，明确合成的方式方法，控制合成方法的各个环节，从而合成出符合使用功能要求的保塑型聚羧酸减水剂，并且在常温条件下，完成保塑型聚羧酸减水剂的全合成过程，同时在合成反应过程中，对反应仪器设备进行保温覆盖，使合成反应稳定高效地进行，提升合成效果。
Plastic-retaining polycarboxylate superplasticizer synthesized at normal temperature
一种常温合成的保塑型聚羧酸减水剂
LI ZHEN (Autor:in) / WU JIAOYING (Autor:in) / JIA XUPING (Autor:in) / SUN GUOZHI (Autor:in) / FENG GUOCHAO (Autor:in) / CAI DONG (Autor:in)
10.12.2021
Patent
Elektronische Ressource
Chinesisch
Preparation method of normal temperature synthesized polycarboxylate superplasticizer
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