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Investigation of interfacial structure of couping agent treated fillers by fourier transform infrared spectroscopy and attenuated total reflection‐FTIR spectroscopy
Author(s) -
Liu Yujuan,
Yang Rui,
Yu Jian,
Wang Kunhua
Publication year - 2002
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.10409
Subject(s) - attenuated total reflection , fourier transform infrared spectroscopy , materials science , spectroscopy , composite material , infrared spectroscopy , fourier transform , infrared , coupling (piping) , reflection (computer programming) , analytical chemistry (journal) , optics , chemistry , chromatography , organic chemistry , mathematical analysis , physics , mathematics , quantum mechanics , computer science , programming language
The interfacial structures of fillers treated by coupling agents were studied with FTIR and a Attenuated Total Reflection (ATR)‐FTIR spectrometer. The interfacial interaction was investigated by FTIR, and the nature of interaction was proved to be a chemical bonding, which could not be destroyed by extraction. Using a variable angle ATR technique, the average interfacial layer thickness of filler treated with different amounts of coupling agent was determined. A calibration curve was obtained from these studies to determine the optimal amount of coupling agent for different fillers, which was in agreement with the results of mechanical tests. ATR‐FTIR technique is a convenient method to determine the proper amount of coupling agent in composites.

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