纤维素醚对硫铝酸盐水泥浆体水组分及水化产物演变的影响

doi:10.11896/cldb.21010095

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Abstract The evolution of water and microstructure in cellulose ether modified calcium sulfoaluminate (CSA) cement paste was studied by low-field nuclear magnetic resonance and thermal analyzer. The results show that with the addition of cellulose ether, cellulose ether adsorbs water, which is characterized as the third relaxation peak in the transverse relaxation time spectrum of low-field nuclear magnetic resonance. The amount of adsorbed water has a positive correlation with the dosage of cellulose ether. Furthermore, cellulose ether significantly promotes the water exchange between the inner and outer flocculent structure of CSA paste. Although the addition of cellulose ether plays no role in the types of hydrates, it affects the amount of hydrates at specific curing ages.

Key words： cellulose ether calcium sulfoaluminate cement water hydration product

Published: Online: 2022-05-24

CLC number:

TU525.9

Fund:National Key R & D Program of China (2018YFD1101002) and the Sichuan Huashi Group Co., Ltd. Technology Project.

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	Articles by authors
	XU Linglin
	YANG Ken
	MU Fanyuan
	YANG Zhenghong
	XUE Lingli

Cite this article:

XU Linglin,YANG Ken,MU Fanyuan, et al. Effect of Cellulose Ether on the Water and Hydration Products Evolution of Calcium Sulfoaluminate Cement Paste[J]. Materials Reports, 2022, 36(10): 21010095-6.

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http://www.mater-rep.com/EN/10.11896/cldb.21010095 OR http://www.mater-rep.com/EN/Y2022/V36/I10/21010095

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