Electrokinetic and surface properties of some methacrylate-based copolymers

• Autorzy: Ersoy Bahri , Çiftçi Hakan , Evcin Atilla , Merdivenci Yılmaz

Identyfikatory

DOI

10.37190/ppmp/152162

• Języki publikacji: EN

Abstrakty

EN

In this study, some electrokinetic and surface properties of MBAOM-GMA copolymers synthesized from 2-[(methoxy-1,3-benzothiazole-2-yl) amino]-2oxoethyl methacrylate (MBAOM) and glycidyl methacrylate (GMA) monomers were investigated. Accordingly, (i) pH-dependent zeta (ζ) potential changes of the copolymers were investigated under a constant ionic strength (in 1.10^-3mol/dm³ NaCl) and the corresponding isoelectric points (iep) were determined, (ii) zeta potential changes depending on the salt concentration in the presence of mono-, di- and tri-valent metal salts were examined, (iii) contact angles (θ) of the copolymers with water were measured and their wetting behavior was assessed, and (iv) surface free energies (SFE) of the copolymers were determined by Acid-Base approach using Van Oss-Chaudhury-Good method. The compositions of the copolymers were 77% MBAOM - 23% GMA, 45% MBAOM - 55% GMA, and 19% MBAOM - 81% GMA. FeCl₃, CaCl₂, and KCl salts were used for the salt solutions for the zeta potential measurements. As a result, (i) it was determined that the chemical structure of methacrylate copolymers showed a decisive effect on both electrokinetic and surface properties, (ii) the hydrophobic character of copolymer increased with the increase of the GMA ratio, and correspondingly, the SFE decreased, and (iii) the iep of the copolymers varied between pH 3.1-3.7 depending on composition.

Słowa kluczowe

EN

methacrylate copolymer; zeta potential; contact angle; hydrophobicity; surface free energy

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2022
• Tom: Vol. 58, iss. 5
• Strony: art. no. 152162
• Opis fizyczny: Bibliogr. 52 poz., rys., wykr.

Twórcy

autor

Ersoy Bahri

• Afyon Kocatepe University, Mining Engineering Department, Afyonkarahisar, Turkey

autor

Çiftçi Hakan

• Afyon Kocatepe University, Mining Engineering Department, Afyonkarahisar, Turkey

autor

Evcin Atilla

• Afyon Kocatepe University, Material Science and Engineering Department, Afyonkarahisar, Turkey

autor

Merdivenci Yılmaz

• Afyon Kocatepe University, Mining Engineering Department, Afyonkarahisar, Turkey

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).