4.7 Article

Graft Polymerization of Stearyl Methacrylate on PET Track-Etched Membranes for Oil-Water Separation

期刊

POLYMERS
卷 14, 期 15, 页码 -

出版社

MDPI
DOI: 10.3390/polym14153015

关键词

ion-track membranes; hydrophobic modification; photo-induced graft polymerization; water-oil separation

资金

  1. Science Committee of the Ministry of Education and Science of the Republic of Kazakhstan
  2. Belarusian Republican Foundation for Fundamental Research (BRFFR) [F20MS-025]

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This article presents the results of hydrophobization of PET track-etched membranes by photo-induced graft polymerization of stearyl methacrylate. The effects of various factors on grafting degree and membrane morphology were investigated. The membranes showed high separation performance and purification ability in oil-water separation tests.
In this article, results of PET track-etched membranes (PET TeMs) hydrophobized by photo-induced graft polymerization of stearyl methacrylate (SM) inside the pores were presented. The effects of monomer concentration, time of irradiation and the nature of the solvent on the degree of grafting and membrane morphology were investigated. The PET TeMs with pore diameters ranging from 350 nm (pore density of 1 x 10(8) pore/cm(2)) to 3.05 mu m (pore density of 1 x 10(6) pore/cm(2)) were hydrophobized and tested for oil-water separation by using hexadecane-water and chloroform-water emulsions. Studies have shown high separation performance for membranes (up to 1100 mL/m(2)center dot s) with large pore diameters while achieving a high degree of purification.

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