Evaluation of Hydrophobic Polyvinyl-Alcohol Formaldehyde Sponges As Absorbents for Oil Spill

doi:10.1021/am5014634

CORC > 化学研究所 > 中国科学院化学研究所

	Evaluation of Hydrophobic Polyvinyl-Alcohol Formaldehyde Sponges As Absorbents for Oil Spill
	Pan, Yanxiong 1,2; Shi, Kai 1; Peng, Chao 1; Wang, Weicai 1,2; Liu, Zhi 1; Ji, Xiangling 1
刊名	ACS APPLIED MATERIALS & INTERFACES
	2014-06-11
卷号	6 期号:11 页码:8651-8659
关键词	Hydropbobic Sponge Macroporous Absorbents Poly(Vinyl Alcohol)-formaldehyde Oil Spill
ISSN号	1944-8244
DOI	10.1021/am5014634
英文摘要	Macroporous materials are a class of absorbents used for oil spill cleanup. In this article, novel macroporous and hydrophobic polyvinyl formaldehyde (PVF-H) sponges were prepared by the reaction of stearoyl chloride with hydroxyl groups of hydrophilic PVF sponge at different temperatures. Attenuated total reflectance-infrared (ATR-IR) spectroscopy confirmed the successfully anchoring of hydrophobic stearoyl groups on the PVF networks. Scanning electron microscopy (SEM) images demonstrated that the as prepared PVF-H had interconnected open cell structures, and mercury intrusion porosimetry indicated that the average pore size ranged from 60 to 90 mu m and porosity was greater than 94.8%. Such PVF-H sponges can absorb oil products effectively, such as toluene, n-hexane, kerosene, soybean oil, hydraulic oil, and crude oil up to 13.7 g.g(-1) to 56.6 g.g(-1) and this level of absorption was approximately 2-4 times higher than that absorbed by commercial polypropylene nonwoven mat. In low-viscosity oils, the samples can reach the saturated absorption amount only in 1 min, but in higher-viscosity oils, absorption equilibrium can be reached in 10 min. In a simulated oil slick system, these macroporous and hydrophobic sponges can still maintain high oil absorption capacities within the range of 14.4 g.g(-1) to 57.6 g.g(-1), whereas a relatively low absorption rate (approximately 20 min) indicated high absorption performance and excellent selectivity in the oil-water mixture. In addition, the absorbed oils were collected effectively only through a simple squeeze. The PVF-H sponges were subjected to 35 absorption-squeeze cycles and exhibited good reusability and 90% recovery for oils. The samples prepared at different temperatures differed in their absorption capacities to some extent. However, this new kind of macroporous and PVF-H sponges had excellent absorption performance on oil products.
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000337336900084
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/52749]
专题	中国科学院化学研究所
通讯作者	Ji, Xiangling
作者单位	1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China 2.Univ Chinese Acad Sci, Changchun Inst Appl Chem, Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
推荐引用方式 GB/T 7714	Pan, Yanxiong,Shi, Kai,Peng, Chao,et al. Evaluation of Hydrophobic Polyvinyl-Alcohol Formaldehyde Sponges As Absorbents for Oil Spill[J]. ACS APPLIED MATERIALS & INTERFACES,2014,6(11):8651-8659.
APA	Pan, Yanxiong,Shi, Kai,Peng, Chao,Wang, Weicai,Liu, Zhi,&Ji, Xiangling.(2014).Evaluation of Hydrophobic Polyvinyl-Alcohol Formaldehyde Sponges As Absorbents for Oil Spill.ACS APPLIED MATERIALS & INTERFACES,6(11),8651-8659.
MLA	Pan, Yanxiong,et al."Evaluation of Hydrophobic Polyvinyl-Alcohol Formaldehyde Sponges As Absorbents for Oil Spill".ACS APPLIED MATERIALS & INTERFACES 6.11(2014):8651-8659.