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Author:

刘晓 (刘晓.) (Scholars:刘晓) | 管佳男 (管佳男.) | 王子明 (王子明.) | 申和庆 (申和庆.) | 薛龙 (薛龙.) | 庞晓凡 (庞晓凡.)

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incoPat zhihuiya

Abstract:

一种酯化接枝阳离子侧链的高抗泥型水泥分散剂的制备方法属于分散剂领域。本发明以不饱和羧酸类单体为反应物,在引发剂和链转移剂作用下进行自由基聚合得到聚羧酸主链,然后以不饱和阳离子季铵盐单体为反应物,在高价铈盐与醇组成的氧化‑还原引发体系下自由基聚合得到端羟基阳离子侧链,再将聚羧酸主链与端羟基阳离子侧链、聚乙二醇类化合物在催化剂的作用下通过酯化接枝反应制得。本发明过程简单易控、成本低廉、节能高效、环保无污染,通过分子结构设计改性合成复合侧链结构,成功实现侧链空间位阻效应和阳离子电荷排布,表现出比普通聚羧酸减水剂更加优异的减水保坍特性和抑制粘土副作用能力,具有广阔的市场前景和推广应用潜力。

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Patent Info :

Type: 发明授权

Patent No.: CN201610563315.6

Filing Date: 2016-07-17

Publication Date: 2019-03-22

Pub. No.: CN106117564B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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