Poly-1-hexene, synthesis and solubility in dense carbon dioxide

Poly-1-hexene, synthesis and solubility in dense carbon dioxide

Several poly‐1‐hexene samples were prepared using different Ziegler‐Natta catalysts, and their solubilities in dense carbon dioxide (CO2) were studied. Despite the varied molecular weight distributions (MWD) in the polymers, a surprising correlation was found between intrinsic viscosity and dense CO...

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Veröffentlicht in:Journal of applied polymer science 1986-08, Vol.32 (2), p.3775-3781
Hauptverfasser: Dandge, D. K., Heller, J. P., Wilson, K. V.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Zusammenfassung:Several poly‐1‐hexene samples were prepared using different Ziegler‐Natta catalysts, and their solubilities in dense carbon dioxide (CO2) were studied. Despite the varied molecular weight distributions (MWD) in the polymers, a surprising correlation was found between intrinsic viscosity and dense CO2 solubility. Due to the ability of dense CO2 to extract low‐molecular weight fractions preferentially, it is recommended that narrow MWD polymers be used, as far as possible, for dense CO2 solubility determinations.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.1986.070320232