Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Low-sensitivity water-reducing slump-retaining polycarboxylic acid water reducer and preparation method thereof
The invention discloses a low-sensitivity water-reducing slump-retaining polycarboxylic acid water reducer and a preparation method thereof, and relates to the technical field of concrete admixtures. The invention provides a structural formula and a preparation method of a low-sensitivity type water-reducing and slump-retaining polycarboxylic acid water reducer, and also provides application of the low-sensitivity type water-reducing and slump-retaining polycarboxylic acid water reducer in preparation of concrete. The water reducer provided by the invention has high water reducing and slump retaining properties, also has good mud-resistant and weather-resistant characteristics, and meets the workability of concrete under the conditions of raw material fluctuation, high temperature, long-distance transportation and the like.
本发明公开了一种低敏感型减水保坍聚羧酸减水剂及其制备方法，涉及混凝土外加剂技术领域。本发明提供了低敏感型减水保坍聚羧酸减水剂的结构式及制备方法，本发明还提供了低敏感型减水保坍聚羧酸减水剂在制备混凝土中的用途。本发明提供的减水剂具有高减水保坍性能的同时，具有良好的耐泥耐候特性，满足原材料波动、高温和长途运输等情况下的混凝土工作性。
Low-sensitivity water-reducing slump-retaining polycarboxylic acid water reducer and preparation method thereof
The invention discloses a low-sensitivity water-reducing slump-retaining polycarboxylic acid water reducer and a preparation method thereof, and relates to the technical field of concrete admixtures. The invention provides a structural formula and a preparation method of a low-sensitivity type water-reducing and slump-retaining polycarboxylic acid water reducer, and also provides application of the low-sensitivity type water-reducing and slump-retaining polycarboxylic acid water reducer in preparation of concrete. The water reducer provided by the invention has high water reducing and slump retaining properties, also has good mud-resistant and weather-resistant characteristics, and meets the workability of concrete under the conditions of raw material fluctuation, high temperature, long-distance transportation and the like.
本发明公开了一种低敏感型减水保坍聚羧酸减水剂及其制备方法，涉及混凝土外加剂技术领域。本发明提供了低敏感型减水保坍聚羧酸减水剂的结构式及制备方法，本发明还提供了低敏感型减水保坍聚羧酸减水剂在制备混凝土中的用途。本发明提供的减水剂具有高减水保坍性能的同时，具有良好的耐泥耐候特性，满足原材料波动、高温和长途运输等情况下的混凝土工作性。
Low-sensitivity water-reducing slump-retaining polycarboxylic acid water reducer and preparation method thereof
一种低敏感型减水保坍聚羧酸减水剂及其制备方法
WANG ZIRU (Autor:in) / BAI SHUYING (Autor:in) / ZHANG XIAOFU (Autor:in) / LIU HU (Autor:in) / LI NING (Autor:in)
28.09.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C08F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
,
Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind
/
C04B
Kalk
,
LIME
/
C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
,
Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind
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