Imaging Fluorescence Measurements of Black Plastic Particles Measured With 532 nm Excitation

The data contains imaging fluorescence measurements of black plastic particles in the spectral range from 540 nm to 900 nm. The files are stored in the envi-format used typically for hyperspectral data. Therefore there are two files for each measurement: the data (.envi) and the header-file (.envi.hdr). The files can be opened with software like ENVI or the Imantoviewer (https://www.iws.fraunhofer.de/de/geschaeftsfelder/chemische_oberflaechentechnik/prozess_monitoring/produkte/imanto.html). The measurements were made with a lab system developed for imaging fluorescence measurements. For excitation a 150 mW 532 nm Nd:YAG laser was used. The samples were also illuminated with a 870 nm LED. For more information please have a look at the reference paper. For each polymer approximately 400 particles were measured. Per measurement around 40 particles were placed on a Si-wafer an scanned with the system and ten measurements were done per polymer. The measured polymers are HDPE, PP, SBR, PA6, PA6 with glassfiber, PA66, PA66 with glass fibre, PA66 with flame retarder, TPU, TPE, TEEE, PPS, PBT and POM. The samples were obtained from a recycling plant and the plastic was grinded cryogenically at the plant.The data was used to train classification models. The objective is to use the method for sorting black plastics.本数据集包含光谱范围为540 nm至900 nm的黑色塑料颗粒成像荧光测量数据。数据文件采用高光谱数据常用的envi格式存储，因此每次测量对应两个文件：数据文件（.envi）与头文件（.envi.hdr）。此类文件可通过ENVI或Imantoviewer软件打开，软件获取地址为：https://www.iws.fraunhofer.de/de/geschaeftsfelder/chemische_oberflaechentechnik/prozess_monitoring/produkte/imanto.html。本次测量采用专为成像荧光测量开发的实验室系统完成，激发光源为150 mW的532 nm掺钕钇铝石榴石（Nd:YAG）激光器，同时还通过870 nm LED对样品进行照明。更多详细信息可参阅相关参考文献。针对每种聚合物，共测量约400颗颗粒。每次测量时，将约40颗颗粒放置在硅片（Si-wafer）上，通过该系统完成扫描，每种聚合物共开展十次测量。本次测量涉及的聚合物包括：高密度聚乙烯（HDPE）、聚丙烯（PP）、丁苯橡胶（SBR）、聚酰胺6（PA6）、含玻纤聚酰胺6（PA6 with glassfiber）、聚酰胺66（PA66）、含玻纤聚酰胺66（PA66 with glass fibre）、含阻燃剂聚酰胺66（PA66 with flame retarder）、热塑性聚氨酯（TPU）、热塑性弹性体（TPE）、TEEE、聚苯硫醚（PPS）、聚对苯二甲酸丁二醇酯（PBT）以及聚甲醛（POM）。样品取自某回收加工厂，原料塑料在该厂经低温研磨处理。该数据曾被用于训练分类模型，其应用目标为将相关方法应用于黑色塑料的分选工作。