Study on the magnetic ODSA-in-water Pickering emulsion stabilized by Fe3O4 nanoparticle

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• 作者：Zhaoyun Lin ; Dehai Yu ; Youming Li
• 关键词：Fe3O4 nanoparticles ; Magnetic ; Rheological behavior ; Hydrophobicity
• 刊名：Colloid & Polymer Science
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：293
• 期：1
• 页码：125-134
• 全文大小：1,238 KB
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• 作者单位：Zhaoyun Lin (1)
  Dehai Yu (2)
  Youming Li (1)
  
  1. State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Wushan Road, Guangzhou, Guangdong, 510640, People’s Republic of China
  2. Shandong Provincial Key Laboratory of Fine Chemicals, Qilu University of Technology, Daxue Road, Western University Science Park, Jinan, Shandong, 250353, People’s Republic of China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Polymer Sciences
  Physical Chemistry
  Soft Matter and Complex Fluids
  Characterization and Evaluation Materials
  Food Science
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1435-1536

文摘

Octadecenyl succinic anhydride (ODSA) is an oily paper sizing agent that is generally introduced into the paper-manufacturing system as an ODSA-in-water emulsion. In this paper, magnetic ODSA-in-water emulsions are prepared by homogenizing the mixture of ODSA and aqueous dispersion of Fe3O4 nanoparticle. The emulsion droplets are covered with magnetic nanoparticles and easily deform at the present of magnetic field. Recoverable structure and time hysteresis effect have been observed in the as-prepared emulsions with viscoelasticity. The shear moduli G-and G′-increase logarithmically with the increasing angular frequency; it is noted that G-remained higher than G′-throughout the entire experiment, which is characteristic for elastic system, illustrating the evolution of particles and the particulate network in the system. Raman spectroscopy reflects the good hydrolysis stability of as-prepared ODSA emulsions. Paper coated by as-prepared ODSA Pickering emulsion containing Fe3O4 nanoparticles shows good hydrophobicity and magnetic induction. Graphical Abstract ?/em>