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Solvent Dependence of the Rheological Properties in Hydrogel Magnetorheological Plastomer.
Hapipi, Norhiwani Mohd; Mazlan, Saiful Amri; Ubaidillah, U; Abdul Aziz, Siti Aishah; Ahmad Khairi, Muntaz Hana; Nordin, Nur Azmah; Nazmi, Nurhazimah.
Afiliación
  • Hapipi NM; Engineering Materials and Structures (eMast) iKohza, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia.
  • Mazlan SA; Engineering Materials and Structures (eMast) iKohza, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia.
  • Ubaidillah U; Mechanical Engineering Department, Faculty of Engineering, Universitas Sebelas Maret, Jl. Ir. Sutami 36A Kentingan Jebres, Surakarta 57126, Indonesia.
  • Abdul Aziz SA; National Center for Sustainable Transportation Technology (NCSTT), Bandung 40132, Indonesia.
  • Ahmad Khairi MH; Engineering Materials and Structures (eMast) iKohza, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia.
  • Nordin NA; Engineering Materials and Structures (eMast) iKohza, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia.
  • Nazmi N; Engineering Materials and Structures (eMast) iKohza, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia.
Int J Mol Sci ; 21(5)2020 Mar 05.
Article en En | MEDLINE | ID: mdl-32151055
ABSTRACT
Chemically crosslinked hydrogel magnetorheological (MR) plastomer (MRP) embedded with carbonyl iron particles (CIPs) exhibits excellent magnetic performance (MR effect) in the presence of external stimuli especially magnetic field. However, oxidation and desiccation in hydrogel MRP due to a large amount of water content as a dispersing phase would limit its usage for long-term applications, especially in industrial engineering. In this study, different solvents such as dimethyl sulfoxide (DMSO) are also used to prepare polyvinyl alcohol (PVA) hydrogel MRP. Thus, to understand the dynamic viscoelastic properties of hydrogel MRP, three different samples with different solvents water, DMSO, and their binary mixtures (DMSO/water) were prepared and systematically carried out using the oscillatory shear. The outcomes demonstrate that the PVA hydrogel MRP prepared from precursor gel with water shows the highest MR effect of 15,544% among the PVA hydrogel MRPs. However, the samples exhibit less stability and tend to oxidise after a month. Meanwhile, the samples with binary mixtures (DMSO/water) show an acceptable MR effect of 11,024% with good stability and no CIPs oxidation. Otherwise, the sample with DMSO has the lowest MR effect of 7049% and less stable compared to the binary solvent samples. This confirms that the utilisation of DMSO as a new solvent affects the rheological properties and stability of the samples.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Alcohol Polivinílico / Reología / Solventes / Dimetilsulfóxido / Materiales Biocompatibles Revestidos / Hidrogeles / Campos Magnéticos Idioma: En Revista: Int J Mol Sci Año: 2020 Tipo del documento: Article País de afiliación: Malasia

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Alcohol Polivinílico / Reología / Solventes / Dimetilsulfóxido / Materiales Biocompatibles Revestidos / Hidrogeles / Campos Magnéticos Idioma: En Revista: Int J Mol Sci Año: 2020 Tipo del documento: Article País de afiliación: Malasia