Superhydrophobic PU Sponge Modified by Hydrophobic Silica NPs-Polystyrene Nanocomposite for Oil-Water Separation

被引：23
|
作者：
Sutar, Rajaram S. [2 ]
Salunkhe, Revati C. [2 ]
Latthe, Sanjay S. [1 ,2 ]
Kodag, Vishnu S. [2 ]
Shewale, Poonam M. [3 ]
Shinde, Shital R. [4 ]
Sajjan, M. B. [5 ]
Karennavar, M. H. [5 ]
Sadasivuni, Kishor Kumar [6 ]
Mohite, Santosh V. [1 ]
Liu, Shanhu [1 ]
Xing, Ruimin [1 ]
机构：
[1] Henan Univ, Henan Key Lab Polyoxometalate Chem, Henan Joint Int Res Lab Environm Pollut Control M, Coll Chem & Chem Engn, Kaifeng, Peoples R China
[2] Shivaji Univ, Self Cleaning Res Lab, Dept Phys, Raje Ramrao Coll, Kolhapur, Maharashtra, India
[3] Dr DY Patil Sch Engn & Technol, Pune, Maharashtra, India
[4] Vidnyan Mahavidyalaya, Sangola, Maharashtra, India
[5] Raje Ramrao Coll, Dept Zool, Jath, Maharashtra, India
[6] Qatar Univ, Ctr Adv Mat, Doha, Qatar
来源：
MACROMOLECULAR SYMPOSIA | 2020年 / 393卷 / 01期
基金：
中国国家自然科学基金;
关键词：
modified sponge and oil-water separation; nanocomposite; superhydrophobic; OIL/WATER SEPARATION; POLYURETHANE SPONGE; AEROGELS; SELF; FABRICATION; EMULSION; COATINGS; FACILE; WETTABILITY; MEMBRANE;
D O I：
10.1002/masy.202000035
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this study, the hydrophobic silica nanoparticles (NPs) are synthesized by simple sol-gel processing of polymethylhydrosiloxane (PMHS). The nanocomposite solution is prepared by adding hydrophobic silica NPs in polystyrene solution and applied on the skeleton of polyurethane sponge by simple immersion-drying process. The as-prepared sponges exhibited superhydrophobic property with water contact angle 161 degrees and oil contact angle nearly 0 degrees and can separate oil from oil-water and oil-muddy water mixture. The superhydrophobic sponge has sustainable anti-wetting property under cross sectional cutting, pressing and twisting, and different pH environment. Such superhydrophobic sponge is suitable for practical application on a large scale.
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页数：7
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