Bulk and surface quantification of a biodegradable and -medical copolyester

被引：10
作者：
Lang, FR
Leonard, D [1 ]
Mathieu, HJ
Moser, EM
Bertrand, P
机构：
[1] Ecole Polytech Fed Lausanne, Lab Met Chim, Dept Mat, CH-1015 Lausanne, Switzerland
[2] Eidgenossische Mat Prufungs & Forsch Anstalt, CH-8600 Dubendorf, Switzerland
[3] Univ Catholique Louvain, Unite PCPM, B-1348 Louvain, Belgium
来源：
MACROMOLECULES | 1998年 / 31卷 / 18期
关键词：
D O I：
10.1021/ma980059e
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A multitechnique analysis approach has been used to study the bulk and surface properties of a biodegradable copolymer produced from agricultural feedstocks. The sample analyzed is a thermoplastic copolyester commercialized under the trademark Biopol that contains beta-hydroxybutyrate (HB) and beta-hydroxyvalerate (HV) units incorporated randomly throughout the polymer chain. The techniques applied are gas chromatography mass spectrometry (GC-MS), nuclear magnetic resonance spectroscopy (NMR), differential scanning calorimetry (DSC), time-of-flight secondary ion mass spectrometry (TOF-SIMS), and X-ray photoelectron spectroscopy (XPS). Special emphasis is put on the quantitative determination of the surface composition of the copolyester by TOF-SIMS and XPS as well as the analysis of the molar bulk fraction by NMR and DSC.
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收藏
页码：6177 / 6183
页数：7
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