Preparation of composite microneedles from a suspension of carbonyl iron microparticles in fluoroorganic binder
- Авторы: Semenov V.1, Razov E.2,3, Kruglov A.2, Kotomina V.4
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Учреждения:
- G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences
- N. I. Lobachevsky Nizhny Novgorod State University
- Institute for Mechanical Engineering Problems, Russian Academy of Sciences
- Physical-Technical Research Institute, N. I. Lobachevsky Nizhny Novgorod State University
- Выпуск: Том 66, № 3 (2017)
- Страницы: 447-456
- Раздел: Full Articles
- URL: https://journals.rcsi.science/1066-5285/article/view/240138
- DOI: https://doi.org/10.1007/s11172-017-1753-4
- ID: 240138
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Аннотация
The method was proposed for the preparation of composite iron-fluoropolymeric magnetic needles up to 20 mm in length by self-assembly of carbonyl iron microparticles in a solution of the LF-32L fluoroorganic varnish in a vertical magnetic field. The resistance of the generated structures toward aqueous solutions of acids increases in the series HCl—HNO3—H2SO4. The structures withstand heating to 200 °С. The dissolution of iron results in to formation of porous fluoropolymeric shells curling or retaining the linear shape after the loss of the filler. The properties of the needles and shells were studied by IR spectroscopy, scanning electron microscopy, atomic force microscopy, and optical microscopy.
Об авторах
V. Semenov
G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: vvsemenov@iomc.ras.ru
Россия, 49 ul. Tropinina, Nizhny Novgorod, 603950
E. Razov
N. I. Lobachevsky Nizhny Novgorod State University; Institute for Mechanical Engineering Problems, Russian Academy of Sciences
Email: vvsemenov@iomc.ras.ru
Россия, 23 prosp. Gagarina, Nizhny Novgorod, 603950; 85 ul. Belinskogo, Nizhny Novgorod, 603024
A. Kruglov
N. I. Lobachevsky Nizhny Novgorod State University
Email: vvsemenov@iomc.ras.ru
Россия, 23 prosp. Gagarina, Nizhny Novgorod, 603950
V. Kotomina
Physical-Technical Research Institute, N. I. Lobachevsky Nizhny Novgorod State University
Email: vvsemenov@iomc.ras.ru
Россия, 23 prosp. Gagarina, Nizhny Novgorod, 603950