Regulation of hydrophilicity/hydrophobicity of aluminosilicate zeolites: a review

IF 8.1 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Critical Reviews in Solid State and Materials Sciences Pub Date : 2020-10-20 DOI:10.1080/10408436.2020.1819198

Cheng Wang, Huidong Guo, Shaozheng Leng, Jiale Yu, Kai Feng, Liyun Cao, Jianfeng Huang

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引用次数: 19

Abstract

Abstract The hydrophilicity/hydrophobicity of zeolites has been received increasing attentions due to its great influence on the physical, chemical property and application of zeolites. Generally, zeolites with different hydrophilicity/hydrophobicity exhibit different interaction with molecules/contaminations of different polarity, and thus have found promising applications in various and different fields. In this review, we first discuss the two main influence factors, i.e. SiO2/Al2O3 ratio and surface hydroxyl groups affecting hydrophilicity/hydrophobicity of aluminosilicate zeolites. Then, we give an overview of the ways for regulation of hydrophilicity/hydrophobicity of zeolites, i.e. hydrothermal synthesis, post synthesis for SiO2/Al2O3 ratio regulation and heat treatment, surface modification, water intrusion-extrusion method for hydroxyl groups regulation. The third, the hydrophilicity/hydrophobicity determination methods, i.e. water vapor adsorption, hydrocarbon/water vapor adsorption and TG experiment methods are concluded and compared. Finally, the problems and challenges for the future of this subject are discussed.

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铝硅酸盐沸石亲疏水调控研究进展

摘要沸石的亲疏水性对沸石的物理、化学性质及其应用有很大的影响，因此越来越受到人们的关注。一般来说，具有不同亲疏水性的沸石与不同极性的分子/污染物的相互作用不同，因此在各种不同领域都有很好的应用前景。本文首先讨论了影响铝硅酸盐分子筛亲疏水性的两个主要因素，即SiO2/Al2O3比和表面羟基。然后，综述了沸石亲疏水调节的方法，即水热合成、合成后对SiO2/Al2O3比例的调节和热处理、表面改性、水侵挤法对羟基的调节。第三，总结和比较了水蒸汽吸附法、烃类/水蒸气吸附法和TG实验法的亲疏水性测定方法。最后，对该课题未来面临的问题和挑战进行了讨论。

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来源期刊

Critical Reviews in Solid State and Materials Sciences 物理-材料科学：综合

CiteScore

22.10

自引率

2.80%

发文量

审稿时长

3 months

期刊介绍： Critical Reviews in Solid State and Materials Sciences covers a wide range of topics including solid state materials properties, processing, and applications. The journal provides insights into the latest developments and understandings in these areas, with an emphasis on new and emerging theoretical and experimental topics. It encompasses disciplines such as condensed matter physics, physical chemistry, materials science, and electrical, chemical, and mechanical engineering. Additionally, cross-disciplinary engineering and science specialties are included in the scope of the journal.