环境温度对纤维素醚改性石膏工作性的影响

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Abstract The working performance of cellulose ether modified gypsum varies greatly at different ambient temperatures, but its mechanism of action is still unclear.In this paper, the effect of cellulose ether on the rheological parameters and water retention of gypsum slurry under different ambient temperatures was studied, and the hydrodynamic diameter of cellulose ether in the liquid phase was measured by dynamic light scattering method, which revealed its influence mechanism. The results show that cellulose ether has a good effect on water retention and thickening. The water retention and viscosity of gypsum slurry increase with the increase of the content. The higher viscosity of HPMC, the better thickening effect. With the increase of temperature, the water retention of the modified gypsum slurry has a certain degree of reduction and the rheological parameters varied a lot. Considering that the cellulose ether colloidal association can block the water transmission channel to achieve water retention, the increase in temperature may cause the disintegration of the bulky association produced by the cellulose ether, thereby reducing the water retention of the modified gypsum and workability.

Key words： gypsum cellulose ether temperature water retention rheology

Published: 09 December 2021

CLC number:

TQ177

About author:: Haiyu Zheng graduated from Beijing University of Civil Engineering and Architecture in June 2019 with a ba-chelor of engineering degree. He is currently a postgra-duate student in the School of Civil and Transportation Engineering at Beijing University of Civil Engineering and Architecture, conducting research under the gui-dance of Prof. Wang Qin. He focuses his research mainly on the gypsum-based cementitious materials.
Qin Wang, master of Chinese Academy of Sciences, Ph.D. of East China University of Science and Techno-logy, visiting scholar of Tsinghua University and Northwestern University. Main research directions: graphene oxide/graphene modified cement-based materials, functional additives and gypsum-based materials. Undertake the National Natural Science Foundation of China “Research on the Control Mechanism of Graphene Oxide on the Process of Cement Hydration”, Beijing Natural Science Foundation Funded Project “Study on the Preparation and Properties of Graphene Cement Stress-sensing Composite Materials” and other scientific research projects, and published more than 10 high-level SCI papers, was selected as the Excellent Paper of 2018 (F5000).

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Cite this article:

ZHENG Haiyu,WANG Qin,WANG Yue, et al. Effect of Ambient Temperature on Workability of Cellulose Ether Modified Gypsum[J]. Materials Reports, 2021, 35(z2): 649-654.

URL:

http://www.mater-rep.com/EN/ OR http://www.mater-rep.com/EN/Y2021/V35/Iz2/649

1 彭家惠, 李青, 张建新, 等. 重庆建筑大学学报, 2003(4), 70.
2 管学茂, 罗树琼, 杨雷, 等. 混凝土, 2006(10), 35.
3 王培铭, 赵国荣, 张国防. 硅酸盐学报, 2017, 45(8), 1190.
4 邵自强, 王俊飞. 纤维素酶, 化学工业出版社, 2016.
5 艾冬明, 张景伟, 张道令. 新型建筑材料, 2019, 46(7), 41.
6 李志博, 田胜力, 章银祥, 等.新型建筑材料, 2019, 46(4), 28.
7 Singh N B, Middendorf B. Progress in Crystal Growth and Characterization of Materials, 2007, 53(1), 57.
8 Mróz P, Mucha M. International Journal of Engineering Research & Science, 2017, 3(6), 5.
9 彭家惠, 张建新, 陈明凤, 等.硅酸盐学报, 2008(7), 896.
10 牟国栋.硅酸盐学报, 2002(4), 532.
11 Czaderna A, Kocemba A, Kozanecki M, et al. Construction and Building Materials, 2018, 160, 628.
12 Mróz P, Mucha M. Journal of Thermal Analysis and Calorimetry, 2018, 134(2), 1083.
13 Bülichen D, Kainz J, Plank J. Cement and Concrete Research, 2012, 42(7), 953.
14 Bülichen D, Plank J. Cement and Concrete Research, 2013, 46, 66
15 Bodvik R, Dedinaite A, Karlson L, et al. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2010, 354(1), 162.
16 蹇守卫, 马保国, 苏雷, 等.硅酸盐通报, 2011, 30(3), 560.
17 张晓然. 机喷抹灰石膏的制备及其性能研究.硕士学位论文, 北京工业大学, 2016.
18 黄滔. 新拌石膏浆体的流变性能研究.博士学位论文, 重庆大学, 2018.
19 欧志华, 刘广, 黄春华, 等.材料导报:研究篇, 2016, 30(7), 135.
20 Yahia A, Khayat K H. Cement and Concrete Research, 2001, 5(31), 731.
21 Pierre A, Lanos C, Estellé P, et al. Cement and Concrete Research, 2015, 76, 70.
22 Zhenzhen Z, Baoguo M, Hongbo T, et al. Journal of Materials in Civil Engineering, 2018, 30(7), 7.
23 邓鑫, 李军, 卢忠远, 等.非金属矿, 2020, 43(3), 1.
24 韩静云, 宋旭艳, 郜志海.非金属矿, 2014,37(4):32.
25 许霞, 吴开胜, 李龙梓.新型建筑材料, 2016, 43(1), 4.
26 吴彻平, 彭家惠, 瞿金东, 等.材料导报:研究篇, 2011, 25(10), 121.
27 Bülichen D, Plank J. Journal of Applied Polymer Science, 2012, 126(S1), E25.
28 Bodvik R, Karlson L. Langmuir, 2012, 28(38), 13562.
29 Bodvik R, Macakova L, Karlson L, et al. Langmuir, 2012, 28(25), 9515.
30 Bodvik R, Thormann E, Karlson L, et al. Physical Chemistry Chemical Physics, 2011, 13(10), 4260.