SULPHUR-CONTAINING THERMOPLASTIC POLYMERS
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United States of America Patent
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Issued Date -
Feb 6, 2014
app pub date -
Apr 13, 2012
filing date -
Apr 14, 2011
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Abstract
A process For the production of a thermoplastic polymer including carbon and sulphur in an atomic ration of C:S of at least 4 and at most 36 using thiol-ene addition polymerization, preferably with feedstocks obtained from renewable resources such as fatty acids from vegetable origin. The product is preferably aliphatic, meaning that at most 70% of the protons are present as aromatic hydrogen atoms and, if oxygen atoms are present in ester functions, the atomic ratio of the oxygen atoms present in ester functions relative to the number of sulphur atoms in the polymer is less than 1.0. The polymer may be used to produce a shaped article.
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