In-line process monitoring on polymer melts by NIR-spectroscopy

被引：61
|
作者：
Fischer, D [1 ]
Bayer, T [1 ]
Eichhorn, KJ [1 ]
Otto, M [1 ]
机构：
[1] TECHN BURO ANALYT, D-09603 LANGHENNERSDORF, GERMANY
来源：
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1997年 / 359卷 / 01期
关键词：
D O I：
10.1007/s002160050538
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The application of near-infrared (NIR) spectroscopy to continuous monitoring of extrusion processes of polymers was demonstrated. NIR probes were adapted to the extruder outlet. The connection between probe and extruder was realized through a fiber-optic cable. The measurements utilized transmission or diffuse reflectance modes. Quantitative analysis was carried out using the chemometric methods of Partial Least Squares (PLS) and Principle Component Regression (PCR). Subjects of our investigations were the quantification of the composition of polymer blends (polypropylene/ethylene vinyl acetate copolymer) and the quantification of content of filler in polymer matrices (polypropylene/pulverized chalk) in the range of weight concentrations from 0 to 40%. The results show that NIR spectroscopy is suitable for quantitative in-line and real-time analysis of polymers.
引用
收藏
页码：74 / 77
页数：4
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