Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Polycarboxylic acid high-performance water reducing agent and preparation method thereof
The invention discloses a polycarboxylic acid high-performance water reducing agent and a preparation method thereof, and belongs to the field of water reducing agents. Step 2, copolymerization; 3, preparing a porous titanium dioxide microsphere suspension; step 4, obtaining a coating agent; 5, adding a coating agent into the porous titanium dioxide microsphere suspension to obtain a suspension A; 6, adding graphene oxide into the suspension A, and performing ultrasonic treatment to obtain a suspension B; and step seven, adding the suspension B and polycarboxylic acid mother liquor into a reaction kettle to obtain the polycarboxylic acid high-performance water reducing agent. In conclusion, compared with the prior art, the polycarboxylic acid high-performance water reducing agent prepared by the preparation method disclosed by the invention has the advantages that various properties such as water reducing rate, fluidity, freezing resistance and slump are remarkably improved, and remarkable progress is achieved, in addition, the preparation method of the water reducing agent provided by the invention simplifies redundant reaction steps, and the water reducing agent is not prepared in a harsh condition environment; and the method is suitable for mass production.
本发明公开了一种聚羧酸高性能减水剂及其制备方法，属于减水剂领域，步骤一：制备改性大单体；步骤二：共聚；步骤三：配制多孔二氧化钛微球悬浮液；步骤四：得到包覆剂；步骤五：将包覆剂加入多孔二氧化钛微球悬浮液中得到悬浮液A；步骤六：向悬浮液A中加入氧化石墨烯超声得到悬浮液B；步骤七：将悬浮液B和聚羧酸母液加入反应釜中，得到聚羧酸高性能减水剂。综上述，本发明所制备得到的聚羧酸高性能减水剂减水率、流动度、抗冻性和坍落度的各项性能相较现有技术作出了突出性的改进，具有显著的进步，此外，本发明所提出的减水剂制备方法简化了冗杂的反应步骤，未在苛刻条件环境下的制备，适用于批量大规模生产。
Polycarboxylic acid high-performance water reducing agent and preparation method thereof
The invention discloses a polycarboxylic acid high-performance water reducing agent and a preparation method thereof, and belongs to the field of water reducing agents. Step 2, copolymerization; 3, preparing a porous titanium dioxide microsphere suspension; step 4, obtaining a coating agent; 5, adding a coating agent into the porous titanium dioxide microsphere suspension to obtain a suspension A; 6, adding graphene oxide into the suspension A, and performing ultrasonic treatment to obtain a suspension B; and step seven, adding the suspension B and polycarboxylic acid mother liquor into a reaction kettle to obtain the polycarboxylic acid high-performance water reducing agent. In conclusion, compared with the prior art, the polycarboxylic acid high-performance water reducing agent prepared by the preparation method disclosed by the invention has the advantages that various properties such as water reducing rate, fluidity, freezing resistance and slump are remarkably improved, and remarkable progress is achieved, in addition, the preparation method of the water reducing agent provided by the invention simplifies redundant reaction steps, and the water reducing agent is not prepared in a harsh condition environment; and the method is suitable for mass production.
本发明公开了一种聚羧酸高性能减水剂及其制备方法，属于减水剂领域，步骤一：制备改性大单体；步骤二：共聚；步骤三：配制多孔二氧化钛微球悬浮液；步骤四：得到包覆剂；步骤五：将包覆剂加入多孔二氧化钛微球悬浮液中得到悬浮液A；步骤六：向悬浮液A中加入氧化石墨烯超声得到悬浮液B；步骤七：将悬浮液B和聚羧酸母液加入反应釜中，得到聚羧酸高性能减水剂。综上述，本发明所制备得到的聚羧酸高性能减水剂减水率、流动度、抗冻性和坍落度的各项性能相较现有技术作出了突出性的改进，具有显著的进步，此外，本发明所提出的减水剂制备方法简化了冗杂的反应步骤，未在苛刻条件环境下的制备，适用于批量大规模生产。
Polycarboxylic acid high-performance water reducing agent and preparation method thereof
一种聚羧酸高性能减水剂及其制备方法
YAN RUIHUA (Autor:in) / MA YULIANG (Autor:in)
06.09.2024
Patent
Elektronische Ressource
Chinesisch
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