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폴리에틸렌글리콜-FeCl<sub>3</sub> 복합체 및 에틸렌/아크릴산 공중합체-FeCl<sub>3</sub> 복합체의 광분해에 관한 연구
이준열,유희진,Lee, Joon Youl,Yoo, Hee Jin 한국섬유공학회 1998 한국섬유공학회지 Vol.35 No.10
Poly(ethylene glycol) (PEG) and poly (ethylene-co-acrylic acid) (EAA) form coordination complexes with iron(III) chloride ($FeCl_3$). The structures of these complexes have been studied by using Fourier transform infrared (FTIR) spectroscopy. The crystalline morphological structure of PEG-$FeCl_3$ complexes depends on the weight ratio of PEG/$FeCl_3$. Both PEG-$FeCl_3$ and EAA-$FeCl_3$ complexes are very susceptible to UV photodegradation. Polarized optical microscopy has been applied to study the crystalline morphological changes in the PEG-$FeCl_3$ complexes before and after UV irradiation. Photodegraded products of both PEG-$FeCl_3$ and EAA-$FeCl_3$ complexes have been identified by using FTIR spectroscopy. The presence of the $FeCl_3$ in these complexes markedly accelerates their photodecomposition.