A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Y-shaped structure side chain monomer, branched water reducing agent, branched structure mud-resistant high-dispersion water reducing agent and preparation method of Y-shaped structure side chain monomer and branched structure mud-resistant high-dispersion water reducing agent
The invention relates to the technical field of chemical materials, in particular to a Y-shaped structure side chain monomer, a branched water reducer, a branched structure mud-resistant high-dispersion water reducer and a preparation method thereof.The preparation method of the Y-shaped structure side chain monomer comprises the following preparation steps that an intermediate 1 is added into a container, nitrogen is introduced to remove air in a system, and the intermediate 2 is added into the container; adding acetonitrile, dissolving and fully stirring to completely dissolve the intermediate 1, adding potassium carbonate and potassium iodide, heating to 80 DEG C, dropwise adding amino alcohol, condensing and refluxing at normal temperature after dropwise adding, and filtering the product to obtain a Y-shaped structure side chain monomer; the branched water reducer synthesized by the Y-shaped structure side chain monomer and the branched structure mud-resistant high-dispersion water reducer have branched structures, and compared with traditional comb-type PCE, the branched water reducer has the advantages that the steric hindrance of the side chain is large, the side chain winding phenomenon can be reduced, the side chain is in a stretched state, and the steric hindrance effect is improved, so that the branched water reducer and the branched structure mud-resistant high-dispersion water reducer have good dispersion performance; the method has important practical application value.
本发明涉及化工材料技术领域，特别涉及提供一种Y型结构侧链单体、支化型减水剂、支化结构抗泥高分散型减水剂及其制备方法，Y型结构侧链单体的制备方法包括以下制备步骤：在容器中加入中间体1，通入氮气去除体系内空气，加入乙腈溶解充分搅拌使中间体1完全溶解，加入碳酸钾和碘化钾，加热至80℃，滴加氨基醇，滴加完以后在常温下冷凝回流，将产物过滤后得到Y型结构侧链单体，本发明Y型结构侧链单体合成的支化型减水剂以及支化结构抗泥高分散型减水剂具有支化结构，与传统的梳型PCE相比，侧链空间位阻大，能够减少侧链缠绕现象，使侧链呈舒展状态，增大空间位阻效应，从而具有很好的分散性能，具有重要的实际应用价值。
Y-shaped structure side chain monomer, branched water reducing agent, branched structure mud-resistant high-dispersion water reducing agent and preparation method of Y-shaped structure side chain monomer and branched structure mud-resistant high-dispersion water reducing agent
The invention relates to the technical field of chemical materials, in particular to a Y-shaped structure side chain monomer, a branched water reducer, a branched structure mud-resistant high-dispersion water reducer and a preparation method thereof.The preparation method of the Y-shaped structure side chain monomer comprises the following preparation steps that an intermediate 1 is added into a container, nitrogen is introduced to remove air in a system, and the intermediate 2 is added into the container; adding acetonitrile, dissolving and fully stirring to completely dissolve the intermediate 1, adding potassium carbonate and potassium iodide, heating to 80 DEG C, dropwise adding amino alcohol, condensing and refluxing at normal temperature after dropwise adding, and filtering the product to obtain a Y-shaped structure side chain monomer; the branched water reducer synthesized by the Y-shaped structure side chain monomer and the branched structure mud-resistant high-dispersion water reducer have branched structures, and compared with traditional comb-type PCE, the branched water reducer has the advantages that the steric hindrance of the side chain is large, the side chain winding phenomenon can be reduced, the side chain is in a stretched state, and the steric hindrance effect is improved, so that the branched water reducer and the branched structure mud-resistant high-dispersion water reducer have good dispersion performance; the method has important practical application value.
本发明涉及化工材料技术领域，特别涉及提供一种Y型结构侧链单体、支化型减水剂、支化结构抗泥高分散型减水剂及其制备方法，Y型结构侧链单体的制备方法包括以下制备步骤：在容器中加入中间体1，通入氮气去除体系内空气，加入乙腈溶解充分搅拌使中间体1完全溶解，加入碳酸钾和碘化钾，加热至80℃，滴加氨基醇，滴加完以后在常温下冷凝回流，将产物过滤后得到Y型结构侧链单体，本发明Y型结构侧链单体合成的支化型减水剂以及支化结构抗泥高分散型减水剂具有支化结构，与传统的梳型PCE相比，侧链空间位阻大，能够减少侧链缠绕现象，使侧链呈舒展状态，增大空间位阻效应，从而具有很好的分散性能，具有重要的实际应用价值。
Y-shaped structure side chain monomer, branched water reducing agent, branched structure mud-resistant high-dispersion water reducing agent and preparation method of Y-shaped structure side chain monomer and branched structure mud-resistant high-dispersion water reducing agent
Y型结构侧链单体、支化型减水剂、支化结构抗泥高分散型减水剂及其制备方法
CHEN ZHANHUA (author) / FANG YUNHUI (author) / KE YULIANG (author) / LAI HUAZHEN (author) / WANG ZHAOPENG (author) / ZHOU LONGJIE (author) / GUO YUANQIANG (author) / LIN TIANXING (author) / XIE FEI (author) / WU WENXIAN (author)
2024-04-05
Patent
Electronic Resource
Chinese
IPC:
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
/
C04B
Kalk
,
LIME
/
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
| European Patent Office | 2024
| European Patent Office | 2024
| European Patent Office | 2024