PERFLUORO PHOSPHATE-TYPE GAS PIPELINE DRAG-REDUCING AGENT AND METHOD OF PREPARING SAME
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United States of America Patent
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Oct 20, 2016
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Nov 7, 2014
filing date -
Nov 8, 2013
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Abstract
The present invention provides a perfluorophosphate-based drag-reducing agent for gas pipelines. Raw materials for the perfluorophosphate-based drag-reducing agent for gas pipelines consist of fatty acid(s), pyridine(s), fluorophosphates(s) and haloalkane(s) in a mass ratio of 2:1:1:1 to 2:3:1:2. A method for preparing the perfluorophosphate-based drag-reducing agent for gas pipelines is also provided. The perfluorophosphate-based drag-reducing agent for gas pipelines is non-toxic and environmentally friendly, has a high drag reduction percentage, a long-lasting effect, good stability and solubility, does not affect the inner surface and coatings of natural gas pipelines or gas quality, and is suitable for on-line atomization and injection.
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