METHOD TO PROVIDE FLAME RETARDANCY TO MATERIALS
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United States of America Patent
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Sep 29, 2016
app pub date -
Nov 27, 2014
filing date -
Nov 28, 2013
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Abstract
The present invention relates to a method of treating a material comprising the following steps: a) contacting a material with at least one phosphorus source, and b) subjecting the material obtained in step a) to a rinsing procedure, wherein the rinsing procedure comprises at least one rinsing step in which said material obtained in step a) is contacted with a nitrogen source, preferably a polymeric nitrogen source, more preferably a cationic polymeric nitrogen source.
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