Preparation of Magnetic Fluids Based on Associated Polymers

Anna Barabanova; Andrei Shibaev; Vyacheslav Molchanov; Olga Philippova; Alexei Khokhlov

doi:10.4028/www.scientific.net/AMR.650.314

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 650Preparation of Magnetic Fluids Based on Associated...

Preparation of Magnetic Fluids Based on Associated Polymers

Abstract:

This paper describes two methods of preparation of magnetic fluids based on associated polymers. The first method is ultrasonic (US) dispersing of magnetite microparticles (MP) in aqueous solutions of associated polymers such as hydrophobically modified polyacrylamides (HM PAAm) – terpolymers of acrylamide (AAm), sodium acrylate (SA) and N-dodecylacrylamide (DDAA). According to the second method the magnetic fluids were formed by addition of magnetic polymers, synthesized by means of a micellar copolymerization of AA, SA and DDAA in the presence of MP, into water. The investigation of the rheological properties has shown that magnetic fluids obtained can be reversibly transformed in physical gels in magnetic field (MF).

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Periodical:

Advanced Materials Research (Volume 650)

Pages:

314-319

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.650.314

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Online since:

January 2013

Authors:

Anna Barabanova, Andrei Shibaev, Vyacheslav Molchanov, Olga Philippova, Alexei Khokhlov

Keywords:

Associated Polymer, Magnetic Polymer Fluid, Polyacrylamide

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