期刊
MATERIALS CHEMISTRY FRONTIERS
卷 5, 期 19, 页码 7176-7183出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1qm00785h
关键词
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资金
- West Light Foundation of the Chinese Academy of Sciences [2019-XBQNXZ-B-010]
- Tianshan Qingnian Program [2018Q079]
- Program for Attracting High-Level Talents in Xingjiang Uyghur Autonomous Region
A polysilsesquioxane (PSQ) sheet with a novel three-dimensional (3-D) network structure was prepared by a one-pot reaction, where the morphology was mainly controlled by the alkyl long chain in the silane. The 3-D PSQ material exhibited excellent hydrophobic properties, making it a potential candidate for oil spill treatment.
A polysilsesquioxane (PSQ) sheet with novel three-dimensional (3-D) networks was prepared by a one-pot reaction of an organic silane terminated with a hexadecyl functionality at room temperature. The effects of experimental parameters on the morphology of PSQ were systematically investigated. It was found that the interconnected structure of the material was mainly dominated by the alkyl long chain in the silane. The mechanism behind the formation of this unique structure was proposed: the hydrolyzed silane collided with each other at first, then the hydrolyzate condensed to form aggregates, and finally the network structure was assembled under intermolecular driving forces among these aggregates with the balanced hydrogen bond interaction and hydrophobic effect of the alkyl chain in silane. The excellent hydrophobic properties of 3-D PSQ have made it a potential candidate for the treatment of oil spills, with a maximum adsorption capacity for crude oil of 6.8 +/- 0.2 g g(-1).
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