A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Preparation method of polyhydroxy acid water reducing agent
The invention discloses a preparation method of a polyhydroxy acid water reducing agent, and relates to the technical field of polyhydroxy acid water reducing agent production, and the preparation method comprises the following steps: carrying out free radical polymerization reaction on styrene and acrylic acid under the protection of nitrogen by taking a free radical initiator as a catalyst to obtain a polyacrylic acid styrene copolymer; the invention discloses a preparation method of a polyhydroxy acid water reducing agent, which comprises the following steps: mixing a polyacrylic acid-styrene copolymer with water, adding a basic catalyst, and carrying out hydrolysis reaction to obtain the polyhydroxy acid water reducing agent, aiming at the problems, the invention provides the preparation method of the polyhydroxy acid water reducing agent, and the prepared polyhydroxy acid water reducing agent has the advantages of efficient water reducing effect, excellent anti-permeability and good water reducing effect. The preparation method is suitable for various types of concrete projects, has the advantages of low reaction temperature, short reaction time, low energy consumption, low cost, stable product performance and the like compared with the existing preparation method of the polyhydroxy acid water reducing agent, can improve the production efficiency and the product quality of the polyhydroxy acid water reducing agent, and meets the requirements of the concrete projects.
本发明公布了一种聚羟酸减水剂的制备方法，涉及聚羟酸减水剂生产技术领域，包括以下步骤：将苯乙烯和丙烯酸在氮气保护下，以自由基引发剂为催化剂，进行自由基聚合反应，得到聚丙烯酸苯乙烯共聚物，将聚丙烯酸苯乙烯共聚物和水混合，加入碱性催化剂，进行水解反应，得到聚羟酸减水剂，本发明的目的是针对以上问题，提供一种聚羟酸减水剂的制备方法，所制备出的聚羟酸减水剂，具有高效减水作用和优良抗渗性，适用于各种类型的混凝土工程，相比于现有的聚羟酸减水剂的制备方法，具有反应温度低、反应时间短、能耗小、成本低、产品性能稳定等优点，能够提高聚羟酸减水剂的生产效率和产品质量，满足混凝土工程的需求。
Preparation method of polyhydroxy acid water reducing agent
The invention discloses a preparation method of a polyhydroxy acid water reducing agent, and relates to the technical field of polyhydroxy acid water reducing agent production, and the preparation method comprises the following steps: carrying out free radical polymerization reaction on styrene and acrylic acid under the protection of nitrogen by taking a free radical initiator as a catalyst to obtain a polyacrylic acid styrene copolymer; the invention discloses a preparation method of a polyhydroxy acid water reducing agent, which comprises the following steps: mixing a polyacrylic acid-styrene copolymer with water, adding a basic catalyst, and carrying out hydrolysis reaction to obtain the polyhydroxy acid water reducing agent, aiming at the problems, the invention provides the preparation method of the polyhydroxy acid water reducing agent, and the prepared polyhydroxy acid water reducing agent has the advantages of efficient water reducing effect, excellent anti-permeability and good water reducing effect. The preparation method is suitable for various types of concrete projects, has the advantages of low reaction temperature, short reaction time, low energy consumption, low cost, stable product performance and the like compared with the existing preparation method of the polyhydroxy acid water reducing agent, can improve the production efficiency and the product quality of the polyhydroxy acid water reducing agent, and meets the requirements of the concrete projects.
本发明公布了一种聚羟酸减水剂的制备方法，涉及聚羟酸减水剂生产技术领域，包括以下步骤：将苯乙烯和丙烯酸在氮气保护下，以自由基引发剂为催化剂，进行自由基聚合反应，得到聚丙烯酸苯乙烯共聚物，将聚丙烯酸苯乙烯共聚物和水混合，加入碱性催化剂，进行水解反应，得到聚羟酸减水剂，本发明的目的是针对以上问题，提供一种聚羟酸减水剂的制备方法，所制备出的聚羟酸减水剂，具有高效减水作用和优良抗渗性，适用于各种类型的混凝土工程，相比于现有的聚羟酸减水剂的制备方法，具有反应温度低、反应时间短、能耗小、成本低、产品性能稳定等优点，能够提高聚羟酸减水剂的生产效率和产品质量，满足混凝土工程的需求。
Preparation method of polyhydroxy acid water reducing agent
一种聚羟酸减水剂的制备方法
WANG LI (author) / WANG XIANGYU (author)
2024-08-02
Patent
Electronic Resource
Chinese
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