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Preparation and Properties of Poly(ethylene terephthalate)(PET)/Polyamide-6(PA6) Alloy Fibers using Epoxy as a Reactive Compatibilizer: I. Effect of Epoxy on the Phase Separation of PET/PA6 Alloys

조징 1 Min, Byung-Ghyl 1 임목근 2 유영출 2 한재성 3 Tae Jin Kang 4 Hong, Kyung Hwa 5

1금오공과대학교
2한국로디아
3한국섬유개발연구원
4서울대학교
5공주대학교

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ABSTRACT

Polymer alloys of poly(ethylene terephthalate)(PET) and nylon6(PA6) which were not miscible each other by themselves were successfully prepared through melt compounding using a twin-screw extruder by utilizing epoxy as reactive compatibilizer. At the epoxy(DGEBA) amount of 0.5~2wt%, the domain size(average diameter) of the discontinuous phase could be reduced up to 0.2㎛ from 1-5㎛ that of the simple blend without epoxy. The reaction was presumed to happen mostly at interphase from the result of maximum increase of melt viscosity at the middle range of PET/PA6 blend ratio. It is expected that alloy fibers of PET/epoxy/PA6 with enough mechanical strength for use can be prepared.

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* References for papers published after 2022 are currently being built.