Rapid analysis of polyolefin antioxidants and light stabilisers by supercritical fluid chromatography.
Nineteen commercial antioxidants and light stabilisers, with a wide range of relative molecular masses and boiling-points, present in polyolefins were analysed by packed column supercritical fluid chromatography on four different phases with CO2 or 10% MeOH-CO2 as the mobile phase and with UV detection. The technique is shown to yield short analysis times and sufficient resolution for a number of additives present in a given polyolefin.
Kithinji
J P
JP
School of Chemistry, University of Leeds, UK.
Bartle
K D
KD
Raynor
M W
MW
Clifford
A A
AA
D000975:Antioxidants / Q000032:analysis*; D002851:Chromatography, High Pressure Liquid; D015394:Molecular Structure; D010969:Plastics; D011090:Polyenes / Q000032:analysis*
D000975:Antioxidants; D010969:Plastics; D011090:Polyenes; C035051:PL 732