Solution/Gelation of Arsenic Trisulfide in Amine Solvents

Theresa A. Guiton, Carlo G. Pantano

Research output: Contribution to journalArticle

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Abstract

Arsenic–sulfur solutions were synthesized by dissolving amorphous arsenic trisulfide (a-As2S3) in anhydrous amine solvents. Ethylenediamine provided the highest solubility for As2S3 and led to optimum gelation behavior. Thus, it was selected as the model system for this study. The emphasis of the study was the identification of the active polymerizing species in the As2S3–ethylenediamine solutions. The molecular transformations that occurred during the sol-to-gel and gel-to-glass transitions of fibers prepared from the As2S3–ethylenediamine solutions were also examined and correlated to the proposed solution species.

Original languageEnglish (US)
Pages (from-to)558-563
Number of pages6
JournalChemistry of Materials
Volume1
Issue number5
DOIs
StatePublished - Sep 1 1989

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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