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  1. NTU Scholars
  2. 工學院
  3. 化學工程學系
Please use this identifier to cite or link to this item: https://scholars.lib.ntu.edu.tw/handle/123456789/576768
Title: Facile hydrophilic modification of polydimethylsiloxane-based sponges for efficient oil–water separation
Authors: Wang C.-J
Kuan W.-F
Lin H.-P
Shchipunov Y.A
Chen L.-J.
LI-JEN CHEN 
Keywords: Additives; Block copolymers; Contact angle; Cost effectiveness; Energy efficiency; Ethylene; Hydrophilicity; Hydrophobicity; Microchannels; Oil spills; Polydimethylsiloxane; Separation; Wastewater treatment; Water absorption; Absorption capacity; Fabrication process; Hydrophilic modification; Polydimethylsiloxane PDMS; Separation efficiency; Separation materials; Separation performance; Surface modification of PDMS; Silicones
Issue Date: 2021
Journal Volume: 96
Start page/Pages: 144-155
Source: Journal of Industrial and Engineering Chemistry
Abstract: 
In this study, an eco-friendly fabrication process for the hydrophilic polydimethylsiloxane (PDMS)-based sponge was proposed with the assistance of sugar templates and poly(dimethylsiloxane-b-ethylene oxide) (PDMS-b-PEO) block copolymer additives. The effects of sugar loadings and sugar particle sizes on sponge structure and separation performance were investigated. Manipulating sugar loadings exhibited a unique control over the porosity of sponge, which further influenced the absorption capacity and oil–water separation speed. Additionally, the surface modification of PDMS sponge from hydrophobic/oleophilic to hydrophilic/underwater oleophobic was achieved by incorporating PDMS-b-PEO. Such modified sponge demonstrated an underwater oil contact angle of 154° and a stable separation efficiency greater than 99.9% in the gravity-driven cycled filtration tests. The hydrophilic PDMS-b-PEO modified sponges highlighted herein reveal a promising potential for novel separation materials with energy-efficient and cost-effective features, which are ideal for oil spill clean-up events and wastewater treatment application. ? 2021 The Korean Society of Industrial and Engineering Chemistry
URI: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85100438749&doi=10.1016%2fj.jiec.2021.01.015&partnerID=40&md5=65b4c6313dc94efd88cf7f852fd35bf2
https://scholars.lib.ntu.edu.tw/handle/123456789/576768
ISSN: 1226086X
DOI: 10.1016/j.jiec.2021.01.015
SDG/Keyword: [SDGs]SDG7
Additives; Block copolymers; Contact angle; Cost effectiveness; Energy efficiency; Ethylene; Hydrophilicity; Hydrophobicity; Microchannels; Oil spills; Polydimethylsiloxane; Separation; Wastewater treatment; Water absorption; Absorption capacity; Fabrication process; Hydrophilic modification; Polydimethylsiloxane PDMS; Separation efficiency; Separation materials; Separation performance; Surface modification of PDMS; Silicones
Appears in Collections:化學工程學系

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臺大位居世界頂尖大學之列,為永久珍藏及向國際展現本校豐碩的研究成果及學術能量,圖書館整合機構典藏(NTUR)與學術庫(AH)不同功能平台,成為臺大學術典藏NTU scholars。期能整合研究能量、促進交流合作、保存學術產出、推廣研究成果。

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