Inverse gas chromatographic and chemometric tools for determination of interactions between the components of polymeric composition

A. Voelkel, K. Milczewska, K. Heberger

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Compositions of polymers (polyethylene and polyuretane) and fillers (initial silica and silicas modified with: N-2-aminoethyl-3- aminopropyltrimethoxysilane, 3-aminopropyltriethoxy-silane, 3- merkaptopropyltrimethoxysilane, octyltriethoxysilane) were examined by inverse gas chromatography at 383 K. Small amounts of the following test solutes were injected to achieve the infinite dilution conditions: pentane, hexane, heptane, octane, nonane, dichloromethane, chloroform, carbon tetrachloride and 1,2-dichloroethane. The retention times for these test solutes were determined and Flory-Huggins parameters were calculated. Flory-Huggins parameters characterize interactions between components: χ12∞ - between composition and the test solute and χ′23 - between polymer and filler in the composition. Values of both physicochemical parameters characterizing the examined materials were arranged in a matrix form: in the rows the compositions were enumerated at different temperatures whereas the columns contained the test solutes. After standardization the input matrix was subjected to principal component analysis. Three principal components explain more than 93% of the total variance in the data. Almost all test solutes carry very similar information. Therefore, it is justified to eliminate most of them from the series of test solutes.

Original languageEnglish
Pages (from-to)221-226
Number of pages6
JournalAnalytica Chimica Acta
Volume559
Issue number2
DOIs
Publication statusPublished - Feb 16 2006

Fingerprint

Silicon Dioxide
solute
Polymers
Gases
Silanes
Heptanes
Carbon Tetrachloride
Methylene Chloride
Hexanes
Polyethylene
Chloroform
Principal Component Analysis
Chemical analysis
gas
Gas Chromatography
Fillers
Temperature
polymer
silica
Gas chromatography

Keywords

  • Chemometrics
  • Flory-Huggins parameter
  • Inverse gas chromatography
  • Modified fillers
  • Polymer-filler interactions
  • Principal component analysis

ASJC Scopus subject areas

  • Biochemistry
  • Analytical Chemistry
  • Spectroscopy
  • Environmental Chemistry

Cite this

Inverse gas chromatographic and chemometric tools for determination of interactions between the components of polymeric composition. / Voelkel, A.; Milczewska, K.; Heberger, K.

In: Analytica Chimica Acta, Vol. 559, No. 2, 16.02.2006, p. 221-226.

Research output: Contribution to journalArticle

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