Identification and quantification of phenol-type antioxidants in low-density polyethylene by broadband far-infrared spectroscopy

Takaaki Ogishima; Chiaki Kuroda; Naoshi Hirai; Yoshimichi Ohki

doi:10.1016/j.polymertesting.2019.02.019

Identification and quantification of phenol-type antioxidants in low-density polyethylene by broadband far-infrared spectroscopy

Takaaki Ogishima, Chiaki Kuroda, Naoshi Hirai, Yoshimichi Ohki

Kagami Memorial Research Institute for Materials Science and Technology

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

Three kinds of phenol-type antioxidants, BHT, Irganox 1010, and Irganox 1330, were added to sheets of low density polyethylene (LDPE) and their absorption spectra were measured at terahertz and far-infrared frequencies. As a result, absorption with various peaks characteristic to each antioxidant appears. Most of these peaks increase monotonically with an increase in content of antioxidant, by which we can identify and quantify each antioxidant added in LDPE. In addition, by applying a partial-least squares regression method to the whole spectrum, the quantification of antioxidant can be improved.

Original language	English
Pages (from-to)	10-18
Number of pages	9
Journal	Polymer Testing
Volume	76
DOIs	https://doi.org/10.1016/j.polymertesting.2019.02.019
Publication status	Published - 2019 Jul 1

Keywords

Antioxidant
Chemometrics
Insulating polymer
Quantification
Spectroscopy
Terahertz wave

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics

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Ogishima, T., Kuroda, C., Hirai, N., & Ohki, Y. (2019). Identification and quantification of phenol-type antioxidants in low-density polyethylene by broadband far-infrared spectroscopy. Polymer Testing, 76, 10-18. https://doi.org/10.1016/j.polymertesting.2019.02.019

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abstract = "Three kinds of phenol-type antioxidants, BHT, Irganox 1010, and Irganox 1330, were added to sheets of low density polyethylene (LDPE) and their absorption spectra were measured at terahertz and far-infrared frequencies. As a result, absorption with various peaks characteristic to each antioxidant appears. Most of these peaks increase monotonically with an increase in content of antioxidant, by which we can identify and quantify each antioxidant added in LDPE. In addition, by applying a partial-least squares regression method to the whole spectrum, the quantification of antioxidant can be improved.",

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