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Open AccessCommunication

Preparation of Dispersed Particle Gel (DPG) through a Simple High Speed Shearing Method

by Caili Dai 1,*, Guang Zhao 1,*, Mingwei Zhao 1 and Qing You 2
1
State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao 266580, Shandong, China
2
School of Earth and Space Sciences, Peking University, Beijing 100871, China
*
Authors to whom correspondence should be addressed.
Molecules 2012, 17(12), 14484-14489; https://doi.org/10.3390/molecules171214484
Received: 9 October 2012 / Revised: 14 November 2012 / Accepted: 26 November 2012 / Published: 6 December 2012
Dispersed particle gel (DPG) has been first successfully prepared using cross-linked gel systems through a simple high speed shearing method with the aid of a colloid mill at room temperature. The gel microstructure and particle size were investigated by scanning electron microscope (SEM), transmission electron microscope (TEM), and dynamic light scattering (DLS) measurements. The results clearly show that the prepared DPG particles have highly uniformly spherical structures with an average size of 2.5 μm. A possible mechanism for the formation of DPG has been put forward and discussed in details. The high speed shearing method is considered to be the simple and rapid method for the preparation of DPG. View Full-Text
Keywords: dispersed particle gel; high speed shearing; colloid mill dispersed particle gel; high speed shearing; colloid mill
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MDPI and ACS Style

Dai, C.; Zhao, G.; Zhao, M.; You, Q. Preparation of Dispersed Particle Gel (DPG) through a Simple High Speed Shearing Method. Molecules 2012, 17, 14484-14489.

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