演題概要

オーラルセッション

第1日　5月19日（水）　16:10～16:30　C会場（Zoom）

1C-O3-1610　　PDF

MALDI-TOFMSと顕微FT-IRを用いた紫外線照射によるポリエチレンテレフタレートフィルムの劣化初期の試料表面分析

(¹JEOL・ ²産総研機能化学)
^o佐藤貴弥¹・ 作田裕介¹・ 窪田梓¹・ 中村清香²・ Thierry, Fouquet²・ 渡邉亮太²・ 山根祥吾²・ 佐藤浩昭²・ 上田祥久¹

The polymers will be degraded by the effects of light, oxygen, heat, etc. It is important to evaluate the chemical structure changes in polymer due to the degradations. In this presentation, we have investigated the ultraviolet (UV) degradation of polyethylene terephthalate (PET) film focused on the surface using matrix assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOFMS) and Fourier transform infrared (FT-IR) microspectrometry. As a result, MALDI-TOFMS can confirm the early stage of degradation by analyzing the PET film surface directly. On the other hand, FT-IR microspectrometry can confirm the degree of degradation according to the UV irradiation time from the early stage.