G. Mirschel, Olesya Daikos, C. Steckert, T. Scherzer
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引用次数: 4
Abstract
Author Summary: Near infrared chemical imaging was used for the quantitative determination of the application weight of hot-melt adhesive layers laminated to polyether-based polyurethane (PUR) foam as well as for monitoring of its spatial distribution across the surface of the foam. Adhesive layers were applied as melt-spun fibrous webs of a thermoplastic polyester with application weights between about 20 g m–2 and 130 g m–2. In spite of the coarsely porous surface structure of the foam, RMSEP was found to be 3.8 g m–2 only. Chemical images of the adhesive layers revealed that a minimum of two adhesive webs corresponding to an application weight of about 40 g m–2 are required for the formation of a continuous layer without holes. Average application weights derived from the chemical images have shown an excellent correlation with gravimetric reference values.
作者简介:近红外化学成像用于定量测定聚醚基聚氨酯(PUR)泡沫层合热熔胶层的应用重量，并监测其在泡沫表面的空间分布。胶粘剂层被应用为热塑性聚酯的熔融纺纤维网，应用重量约在20至130克之间。尽管泡沫表面结构粗糙多孔，但RMSEP仅为3.8 g m-2。粘合剂层的化学图像显示，要形成无孔的连续层，至少需要两个粘合剂网，对应于约40 g - 2的应用重量。从化学图像中得到的平均应用重量显示出与重量参考值的良好相关性。
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