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DETERMINATION OF CARBON BLACK CONTENT IN HDPE - PURGE GAS BUOYANCY EFFECT

机译:HDPE-吹扫气体浮选效应中碳黑含量的测定。

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摘要

Oxygen and air have been interchangeably used as the purge gas in the determination of carbon black content in polyethylene. This study shows that accuracy of the carbon black filler content is significantly affected by the choice of oxygen as the purge gas used to oxidise the carbon filler. It is believed that the difference in the density of the oxygen give rise to the buoyancy effect. Air, having closer density to the initial nitrogen purge gas in the analysis, is the better choice for purge gas for accuracy of analysis and reproducibility of results. (C) 1997 Elsevier Science B.V. [References: 12]
机译:在测定聚乙烯中的炭黑含量时,氧气和空气已互换用作吹扫气体。这项研究表明,炭黑填料含量的准确性受选择氧气作为氧化炭填料的吹扫气体的影响。据信氧密度的差异引起浮力作用。在分析中,与初始氮气吹扫气体相比密度更高的空气是吹扫气体的更好选择,因为分析的准确性和结果的可重复性。 (C)1997 Elsevier Science B.V. [参考:12]

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