Process for the removal of the solvent from a polymeric solution
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United States of America Patent
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Jul 28, 2015
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Oct 30, 2014
app pub date -
Nov 23, 2012
filing date -
Nov 25, 2011
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Abstract
A process for the removal of solvent from a polymeric solution including at least one elastomeric polymer. The polymeric solution is subjected to a stripping step by means of water vapor, in the presence of a dispersant system including: from 0.005% by weight to 1% by weight, with respect to the total weight of the dry elastomeric polymer, of at least one lamellar material; from 0.0005% by weight to 1% by weight, with respect to the total weight of the dry elastomeric polymer, of at least one cationic surfactant.
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