期刊
ULTRASONICS SONOCHEMISTRY
卷 14, 期 5, 页码 519-530出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ultsonch.2006.10.007
关键词
nano-particles; cavitation; SBR; nano-suspension; size reduction
The purpose of the present study was to obtain nano-scale particles of styrene butacliene rubber. As SBR particles are elastic in nature, conventional methods of size reductions such as impacting, grinding are unable to achieve the final size. So, attempts have been made here to make the nano-particles of the SBR using cavitation technique. Both acoustic and hydrodynamic cavitation techniques have been employed and studied. Hydrodynamic cavitation has been proved to be more energy efficient than the acoustic cavitation oil the basis of various parameters. The maximum production rate equivalent to 2 kg/h (solid processing) has been achieved in the newly developed hydrodynamic cavitation set-up (made in house). Similar to transient cavitation, stable cavitation has also been shown to contribute for reduction in the size of the material with very low variation in size. This technique has been proved successful for the size-reduction of the elastic material to nano-scale, thus it may also be used for the size-reduction of the other brittle and hard material by adjusting various cavitational parameters. (c) 2006 Elsevier B.V. All rights reserved.
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