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

被引：22

作者：

Hakkarainen, M ^{[1
]}

机构：

[1] Royal Inst Technol, Dept Fibre & Polymer Technol, KTH, SE-10044 Stockholm, Sweden

来源：

JOURNAL OF CHROMATOGRAPHY A | 2003年 / 1010卷 / 01期

关键词：

solid-phase microextraction; poly(vinyl chloride); polyester-polycarbonate; 6-hydroxyhexanoic acid;

D O I：

10.1016/S0021-9673(03)01026-4

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

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. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：9 / 16

页数：8

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