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5338337 
Journal Article 
Inverse gas chromatographic characterization of polycaprolactone 
Al-Ghamdi, AMS 
2001 
Yes 
Arabian Journal for Science and Engineering
ISSN: 1319-8025
EISSN: 0377-9211 
26 
1A 
11-22 
WOS:000168770000002 
The Inverse Gas Chromatography method was utilized to obtain the thermodynamic properties and the surface energy of a semicrystalline polymer, polycaprolactone (PCL). PCL was used as a stationary phase in the chromatographic column and sixteen solutes with a different chemical nature were used, such as alkanes, acetates, and alcohols. Each family has provided information on the type and strength of the PCL-solute interactions. The interaction parameters chi (12) at a temperature range of 80-130 degreesC was determined. Alkanes showed better interactions with the PCL layer and pentane was found to be the best solvent for PCL among all solutes used. The dispersion contribution of the surface energy of PCL was measured as a function of temperature, which ranged between 2.00 and 10.00 mJ/m(2), indicating poor surface energy of PCL.