Synthesis and Performance Characterization of a Low Adsorption Clay-resistant Polycarboxylate Superplasticizer

Synthesis and Performance Characterization of a Low Adsorption Clay-resistant Polycarboxylate Superplasticizer
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低吸附抗粘土聚羧酸减水剂的合成及性能表征

DOI:
10.1007/s11595-021-2429-3
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发表时间:
2021-06
期刊:
Journal of Wuhan University of Technology-Mater. Sci. Ed.
影响因子:
--
通讯作者:
Gao Rui
Gao Rui
中科院分区:
其他
文献类型:
--
作者:
Zhang Ying;Wang Pengshuo;Sun Guowen;Yang Jianming;Gao Rui

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以丙烯酸和异戊烯聚氧乙烯醚为主要反应原料,合成了一种低吸附耐粘土聚羧酸酯高效减水剂(KN-PC)。利用傅里叶变换红外光谱和X射线衍射仪对KN-PC的结构表征和抗粘土机理进行了探讨,并分析了不同蒙脱土含量对复合浆体性能的影响。与普通聚羧酸盐高效减水剂(PC)相比,KN-PC对蒙脱土的感受性较低。在蒙脱土的作用下,KN-PC在蒙脱土上的吸附量远小于PC。
A low adsorption clay-resistant polycarboxylate superplasticizer (KN-PC) was synthesized using acrylic acid and isopentenol polyoxyethylene ether as the main reaction materials. The structural characterization and clay-resistant mechanism of the KN-PC were explored using Fourier transform infrared spectroscopy and X-ray diffraction, and the effect of the KN-PC on the performance of composite paste with various montmorillonite (MMT) contents was analyzed. Compared with ordinary polycarboxylate superplasticizer (PC), the KN-PC has a low sensitivity to the MMT. By the action of the MMT, the adsorption dosage of the KN-PC on the MMT is much smaller than that of the PC.
DOI: 10.4028/www.scientific.net/amr.989-994.151
发表时间: 2014-07
期刊: Advanced Materials Research
影响因子: --
作者:
C. Fu;G. Zheng;Kang Li;Yao Bi;L. Xiong
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