HYPHENATED ON-THE-SPOT TG/FT-IR TECHNIQUE

被引:11
作者
JANSEN, JAJ
VANDERMAAS, JH
DEBOER, AP
机构
[1] UNIV UTRECHT,DEPT ANALYT MOLEC SPECTROMETRY,UTRECHT,NETHERLANDS
[2] DELFT UNIV TECHNOL,DEPT POLYMER TECHNOL,DELFT,NETHERLANDS
关键词
THERMOGRAVIMETRY; INFRARED SPECTROSCOPY; HYPHENATED TECHNIQUE; POLYMER CHARACTERIZATION;
D O I
10.1366/0003702924444452
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
By the coupling of thermogravimetry (TG) and Fourier transform infrared spectroscopy (FT-IR), the thermal behavior of polymeric materials can be elucidated from their mass loss combined with characterization of the evolved components. A hyphenated TG/FT-IR technique is presented, which enables the direct detection and characterization of evolving components in TG experiments, i.e., without transferring these components from the TG to the FT-IR equipment. In this on-the-spot TG/FT-IR technique, the IR beam of the FT-IR spectrometer is led directly into the TG equipment. The IR beam is reflected by a mirror mounted inside the TG equipment and subsequently detected by a standard FT-IR detector. In this way, the evolved components are detected both in gas and condensed phase directly in the TG equipment. The detection limits are in the sub-mu-g/s range. The experimental setup and conditions are presented together with advantages and applications in the field of polymeric research.
引用
收藏
页码:88 / 92
页数:5
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