Studies on model oligosulfides to understand polysulfide polymers

Ganesh, K. ; Kishore, K. (1995) Studies on model oligosulfides to understand polysulfide polymers Colloid & Polymer Science, 273 (7). pp. 648-652. ISSN 0303-402X

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1-bromo-1-phenylethane was reacted with aqueous sodium disulfide or sodium tetrasulfide to form the 1-phenylethyl polysulfides of sulfur rank 2 or 4 respectively. The distribution of the 1-phenylethyl polysulfides thus formed was studied using 1H NMR and GC-MS analysis. Apart from 1-phenylethyl disulfide and 1-phenylethyl tetrasulfide being produced in large amounts when aqueous sodium disulfide and sodium tetrasulfide were used respectively, the formation of 1-phenylethyl monosulfide in the former case and both mono and disulfide in the latter case, in minor amounts, is also observed. Also, it was found that the undetection of the molecular ion peaks of 1-phenylethyl polysulfides having rank above 2 is due to their thermal decomposition to elemental sulfur, 1-phenylethyl mono and disulfide, under the heating conditions employed for GC-MS analysis.

Item Type:Article
Source:Copyright of this article belongs to Springer.
Keywords:Aqueous Sodium Disulfide; Aqueous Sodium Tetrasulfide; Sulfur Rank-1-phenylethyl Polysulfide; Total Ion Chromatogram (TIC)
ID Code:32025
Deposited On:19 Mar 2011 11:53
Last Modified:10 Jun 2011 06:17

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