Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Polycarboxylate-type high-performance water reducing agent and synthesis method thereof
The invention relates to the field of building material production, and provides a polycarboxylate-type high-performance water reducing agent and a synthesis method thereof, and the synthesis method comprises the following steps: S1, preparing a kettle base solution; s2, preparing a dropwise adding solution A; s3, preparing a dropwise adding solution B; and S4, dropwise adding the dropwise adding solution A and the dropwise adding solution B into the kettle bottom solution obtained in the step S1 at a constant speed, aging for 1 hour, then adding a neutralizer, and supplementing water to obtain the polycarboxylic acid high-performance water reducing agent. The synthetic method of the polycarboxylate-type high-performance water reducing agent is simple, feasible and easy to operate, two chain transfer agents and two oxidants are used in the preparation process, and the dropwise adding time of the material B is prolonged, so that the purposes of improving the conversion rate of the synthetic reaction and the product stability are achieved, and the yield of the polycarboxylate-type high-performance water reducing agent is improved. The prepared polycarboxylic acid high-performance water reducing agent is high in conversion rate and high in product stability.
本发明涉及建筑材料生产领域，提供了一种聚羧酸系高性能减水剂及其合成方法，包括如下步骤：S1、配制釜底液；S2、配制A滴加液；S3、配制B滴加液；S4、向步骤S1所得釜底液中匀速滴加A滴加液和B滴加液，老化1小时，然后加入中和剂，补水，即得聚羧酸系高性能减水剂；本发明所提供的聚羧酸系高性能减水剂的合成方法，简单可行，操作简易，在制备过程中使用两种链转移剂和两种氧化剂，并且延长B料滴加时间，以达到提高合成反应的转化率和产品稳定性的目的，所制得的聚羧酸系高性能减水剂的转化率高，产品稳定性强。
Polycarboxylate-type high-performance water reducing agent and synthesis method thereof
The invention relates to the field of building material production, and provides a polycarboxylate-type high-performance water reducing agent and a synthesis method thereof, and the synthesis method comprises the following steps: S1, preparing a kettle base solution; s2, preparing a dropwise adding solution A; s3, preparing a dropwise adding solution B; and S4, dropwise adding the dropwise adding solution A and the dropwise adding solution B into the kettle bottom solution obtained in the step S1 at a constant speed, aging for 1 hour, then adding a neutralizer, and supplementing water to obtain the polycarboxylic acid high-performance water reducing agent. The synthetic method of the polycarboxylate-type high-performance water reducing agent is simple, feasible and easy to operate, two chain transfer agents and two oxidants are used in the preparation process, and the dropwise adding time of the material B is prolonged, so that the purposes of improving the conversion rate of the synthetic reaction and the product stability are achieved, and the yield of the polycarboxylate-type high-performance water reducing agent is improved. The prepared polycarboxylic acid high-performance water reducing agent is high in conversion rate and high in product stability.
本发明涉及建筑材料生产领域，提供了一种聚羧酸系高性能减水剂及其合成方法，包括如下步骤：S1、配制釜底液；S2、配制A滴加液；S3、配制B滴加液；S4、向步骤S1所得釜底液中匀速滴加A滴加液和B滴加液，老化1小时，然后加入中和剂，补水，即得聚羧酸系高性能减水剂；本发明所提供的聚羧酸系高性能减水剂的合成方法，简单可行，操作简易，在制备过程中使用两种链转移剂和两种氧化剂，并且延长B料滴加时间，以达到提高合成反应的转化率和产品稳定性的目的，所制得的聚羧酸系高性能减水剂的转化率高，产品稳定性强。
Polycarboxylate-type high-performance water reducing agent and synthesis method thereof
一种聚羧酸系高性能减水剂及其合成方法
HUANG SONG (Autor:in) / LIU TIANQI (Autor:in) / CHEN PENGMING (Autor:in)
01.04.2022
Patent
Elektronische Ressource
Chinesisch
Preparation method of polycarboxylate-type high-performance water reducing agent
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2020
Block type polycarboxylate water reducing agent and preparation method thereof
| Europäisches Patentamt | 2021
Polycarboxylate-type concrete water reducing agent and production method thereof
| Europäisches Patentamt | 2020
Polycarboxylate water reducing agent and preparation method thereof
| Europäisches Patentamt | 2020