Page 226 - 《精细化工》2022年第11期
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·2376· 精细化工 FINE CHEMICALS 第 39 卷
度从小到大依次为 PCE-E、PCE-EP 1、PCE-EP 2,分别 superplasticizer[J]. Journal of the Chinese Ceramic Society (硅酸盐
学报), 2013, 41(8): 1100-1104.
是 5.32、6.13、6.47 nm。减水剂 PCE-EP 2 和 PCE-EP 1
[3] TIAN R (田润), ZHANG Y X (张永兴), ZHOU S (周晟), et al.
处理的吸附膜厚度大于经过减水剂PCE-E处理的吸附 Progress of clay tolerance type polycarboxylic superplasticizers[J].
膜厚度,可能是因为磷酸酯基团所带负电荷比羧酸根 Polymer Materials Science and Engineering (高分子材料科学与工
程), 2020, 36(11): 175-182, 190.
2+
多,更容易与蒙脱土表面的 Ca 进行静电作用,与羧 [4] WU W (吴伟), LIU S Y (刘昭洋), YE Z (叶子), et al. Synthesis and
酸根形成竞争吸附。 characterization of phosphonate polycarboxylate superplasticizer
with high adaptability[J]. New Building Materials (新型建筑材料),
2016, 43(8): 39-41, 57.
[5] ZHANG G H (张光华), WEI J (危静), CUI H Y (崔鸿跃). Effect of
phosphate functional monomer on anti-clay properties of
polycarboxylate superplasticizer[J]. Chemical Industry and Engineering
Progress (化工进展), 2018, 37(6): 2364-2369.
[6] XU C H (徐春红), YUAN R H (袁荣辉). Study on the synthesis and
performance of anti-mud polycarboxylate superplasticizer[J].
Guangdong Chemical Industry (广东化工), 2018, 45(4): 81-82.
[7] LIU Z Y (刘尊玉), DU K L (杜可禄), HOU H H (侯欢欢). Studies
on preparation and properties of anti-mud and viscosity-reducing
polycarboxylate superplasticizer[J]. New Building Materials (新型建
筑材料), 2020, 47(5): 138-141.
图 9 蒙脱土经不同减水剂处理后 XPS 谱图 [8] LIU G J (刘冠杰), WANG Z W (王自为), REN J G (任建国), et al.
Research progress in application of polycarboxylate superplasticizer
Fig. 9 XPS spectra of montmorillonite treated with different
superplasticizers polyether macromonomer[J]. Detergent & Cosmetics (日用化学品科
学), 2018, 41(10): 13-16, 28.
[9] QIN X (秦鑫). Determination and analysis of reactivity ratio of two
3 结论 kinds of ether monomers with acrylic acid[D]. Taiyuan: Shanxi
University (山西大学), 2019.
(1)EPEG 大单体合成的减水剂 PCE-E 与市售 [10] LIU G, QIN X, WEI X, et al. Study on the monomer reactivity ratio
and performance of EPEG-AA (ethylene-glycol monovinyl polyethylene
TPEG 大单体合成减水剂 PCE-T 相比,具有减水率 glycol-acrylic acid) copolymerization system[J]. Journal of
高、流动性和抗泥性能好等优势。 Macromolecular Science, 2020, 57: 1753537.
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(2)合成 PCE-EP 2 的 CAP 最佳用量为 2%,合 Study on the synthesis and application performance of EPEG type
成 PCE-EP 1 的 HEMAP 最佳用量为 3%。掺入 2%的 polycarboxylate superplasticizer[J]. New Building Materials (新型建
筑材料), 2021, 48(6): 78-82.
蒙脱土后,合成的抗泥减水剂 PCE-EP 1 和 PCE-EP 2
[12] ZHANG S M (张少敏). Low-temperature synthesis of polycarboxylate
都具有良好的抗泥性能。 superplasticizer by using novel polyether macromonomer and its
(3)XRD 表明,两种抗泥减水剂与蒙脱土都没 performance[J]. Bulletin of the Chinese Ceramic Society (硅酸盐通
报), 2020, 39(9): 2844-2848.
有进行插层吸附;XPS 表明,减水剂 PCE-EP 1 和 PCE-
[13] ZHOU P Y (周普玉). Adsorption property of lignin and naphthalene
EP 2 对水泥和蒙脱土的吸附膜厚度都大于 PCE-E。 dispersants on coal-water interface[J]. New Building Materials (新型
这是因为磷酸根能与羧酸根形成竞争吸附,并且静 建筑材料), 2019, 46(4): 113-116.
[14] WANG S (王爽). Synthesis of gemini quaternary ammonium salt and
电作用增加,从而提高了减水剂的分散性能。 improvement of mud resistance of polycarboxylate[D]. Xi'an:
综上可知,含磷酸酯基团的功能单体能够提高 Shaanxi University of Science and Technology (陕西科技大学), 2019.
减水剂对水泥的分散性且具有一定的抗泥能力。 [15] ZHOU M S (周明松), QIU X Q (邱学青), YANG D J (杨东杰).
Adsorption property of lignin and naphthalene dispersants on coal-
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