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Qualitative and quantitative solid-phase microextraction gas chromatographic-mass spectrometric determination of the low-molecular-mass compounds released from poly(vinyl chloride)/polycaprolactone-polycarbonate during ageing
KTH, Superseded Departments, Polymer Technology.ORCID iD: 0000-0002-7790-8987
2003 (English)In: Journal of Chromatography A, ISSN 0021-9673, E-ISSN 1873-3778, Vol. 1010, no 1, 9-16 p.Article in journal (Refereed) Published
Abstract [en]

A solid-phase microextraction (SPME) method was developed to quantitatively determine the amount of 6-hydroxyhexanoic acid in aqueous solutions. The SPME method in combination with GC-MS was then applied to identify and quantify the low-molecular-mass compounds migrating from a new poly(vinyl chloride) (PVC) material, PVC/polycaprolactone-polycarbonate (PCL-PC) during ageing in water. It was shown that only a small amount of 6-hydroxyhexanoic acid, the final hydrolysis product of PCL-PC, migrated from the blend during ageing at 37 and 70 degreesC. If, however, the temperature was raised to 100 degreesC rapid hydrolysis of PCL-PC resulted. In addition to 6-hydroxyhexanoic acid, 6-hydroxyhexanoic acid dimer, caprolactone, different carboxylic acids, acetophenone and phenol were identified. SPME-GC-MS was also applied to monitor the low-molecular-mass compounds migrating from the PVC/PCL-PC blend during thermo-oxidation.

Place, publisher, year, edition, pages
2003. Vol. 1010, no 1, 9-16 p.
Keyword [en]
solid-phase microextraction, poly(vinyl chloride), polyester-polycarbonate, 6-hydroxyhexanoic acid, plasticized films, polymer blends, phthalate plasticizers, mechanical-properties, degradation products, medical applications, pvc films, migration, foods, chloride)
National Category
Polymer Technologies Polymer Chemistry
URN: urn:nbn:se:kth:diva-22766DOI: 10.1016/S0021-9673(03)01026-4ISI: 000184966900002OAI: diva2:341464
QC 20100525 NR 20140804Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2012-02-01Bibliographically approved

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