منابع مشابه
Biocompatible Dispersion Methods for Carbon Black
The biological activity of particles is largely dependent on their size in biological systems. Dispersion in the aqueous phase has been both a critical impediment to and a prerequisite for particle studies. Carbon black has been used as a surrogate to investigate the biological effects of carbonaceous particles. Here, biocompatible methods were established to disperse carbon black into ultrafin...
متن کاملDispersion mechanisms of carbon black in an elastomer matrix
Introduction The mixing of carbon black or silica pellets and a matrix implies distinct phases e.g., (i) incorporation, (ii) distribution and (iii) dispersion [Nak81]. To disperse implies to reduce the pellet size (around the millimeter) down to the aggregate size (a few tens of nanometers). This size is necessary to ensure the reinforcement of the matrix (see for example [Ham00]). Dispersion a...
متن کاملAn assessment on dispersion of carbon monoxide from acement factory
Background: Modeling the dispersion of pollutants from factory stacks addresses the problem of matching emissions of a cement plant with the capacity of the environment to avoid affecting the environment and society. The main objective of this study was to simulate the dispersion of carbon monoxide (CO) from the main stack of a cement plant in Doroud, Iran using SCREEN3 software developed by th...
متن کاملThe Influence of Matrix Viscosity and Interfacial Properties on the Dispersion Kinetics of Carbon Black Agglomerates
The dispersion of carbon black agglomerates suspended in polydimethyl siloxane (PDMS) or polybutadiene (PBD) liquids has been studied. Agglomerates comprised of either a low-structure or a high-structure carbonblack were subjected to simple shear flow. Two characteristic length scales that affect the dispersion process are identified. One length scale (Lp) is a measure of the ease with which fl...
متن کاملModeling of carbon monoxide dispersion around the urban tunnel portals
The aim of this study is to investigate the problems caused by discharge of polluted air from tunnels into the environment with a specific focus on residential areas. In city tunnels, portal or stacks, pollutant management is a big challenge. Nowadays, air quality management, particularly in urban tunnels, is considered as a part of the ventilation system design. The goal is to see the environm...
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ژورنال
عنوان ژورنال: Polymer Testing
سال: 1984
ISSN: 0142-9418
DOI: 10.1016/0142-9418(84)90032-1