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Super-hydrophobic graphene coated polyurethane (GN@PU) sponge with great oil-water separation performance
Zhang, Xiaotan; Liu, Dongyan; Ma, Yuling; Nie, Jing; Sui, Guoxin; Liu, DY; Sui, GX (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2017-11-15
Source PublicationELSEVIER SCIENCE BV
ISSN0169-4332
Volume422Pages:116-124
AbstractThe graphene/polyurethane (GN@PU) sponge was prepared via simple dip-coating PU sponges in graphene aqueous suspension containing cellulose nanowhiskers (CNWs), where CNWs played a vital role to facilitate the uniform graphene sheets coated on the skeletons of polyurethane sponge (PU). The super-hydrophobic GN@PU sponge was obtained by optimizing the ratio of GN and CNWs to choose the final coating suspensions of GN/CNWs mixture or pure graphene. The GN@PU sponge showed densely packed graphene sheets, contributing super-hydrophobicity to the sponge with water contact angle of 152. and a large lubricating oil absorption value of 31 g g(-1). The elasticity, mechanical durability, thermal and chemical stability were all found to be improved after coating with the thin GN layers. Moreover, the GN@PU sponges possess outstanding recyclability and stability since no decline in absorption efficiency was observed after more than 100 cycles. (C) 2017 Elsevier B.V. All rights reserved.; The graphene/polyurethane (GN@PU) sponge was prepared via simple dip-coating PU sponges in graphene aqueous suspension containing cellulose nanowhiskers (CNWs), where CNWs played a vital role to facilitate the uniform graphene sheets coated on the skeletons of polyurethane sponge (PU). The super-hydrophobic GN@PU sponge was obtained by optimizing the ratio of GN and CNWs to choose the final coating suspensions of GN/CNWs mixture or pure graphene. The GN@PU sponge showed densely packed graphene sheets, contributing super-hydrophobicity to the sponge with water contact angle of 152. and a large lubricating oil absorption value of 31 g g(-1). The elasticity, mechanical durability, thermal and chemical stability were all found to be improved after coating with the thin GN layers. Moreover, the GN@PU sponges possess outstanding recyclability and stability since no decline in absorption efficiency was observed after more than 100 cycles. (C) 2017 Elsevier B.V. All rights reserved.
description.department[zhang, xiaotan ; liu, dongyan ; ma, yuling ; nie, jing ; sui, guoxin] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [zhang, xiaotan ; nie, jing] univ sci & technol china, sch mat sci & engn, hefei 230026, anhui, peoples r china ; [ma, yuling] univ chinese acad sci, beijing 100049, peoples r china
KeywordGraphene Polyurethane Sponge Cellulose Super-hydrophobic Properties
Subject AreaChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78978
Collection中国科学院金属研究所
Corresponding AuthorLiu, DY; Sui, GX (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, Xiaotan,Liu, Dongyan,Ma, Yuling,et al. Super-hydrophobic graphene coated polyurethane (GN@PU) sponge with great oil-water separation performance[J]. ELSEVIER SCIENCE BV,2017,422:116-124.
APA Zhang, Xiaotan.,Liu, Dongyan.,Ma, Yuling.,Nie, Jing.,Sui, Guoxin.,...&Sui, GX .(2017).Super-hydrophobic graphene coated polyurethane (GN@PU) sponge with great oil-water separation performance.ELSEVIER SCIENCE BV,422,116-124.
MLA Zhang, Xiaotan,et al."Super-hydrophobic graphene coated polyurethane (GN@PU) sponge with great oil-water separation performance".ELSEVIER SCIENCE BV 422(2017):116-124.
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