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Poly(1,4-diaminobutane-co-adipic acid-co-ε-caprolactam- co-diethylenetriamine)공중합체 섬유의 결정거동

Crystallization of Poly(1,4-diaminobutane-co-adipic acid-co-ε-caprolactam- co-diethylenetriamine) Copolymer Fiber

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초록

We investigated the evolution of crystal formation as a function of drawing ratio in poly(1,4-diaminobutane-co-adipic acid-co-ε-caprolactam-co-diethylenetriamine)(nylon 466T) copolymer formed by four monomers, i.e 1,4-diaminobutane, adipic acid, ε-caprolactam, diethylenetriamine(DETA), using synchrotron X-ray scattering measurement. In case of pristine(as spun) nylon 466T fiber, it was consisted with unoriented nylon 6α and unoriented nylon 46αphases. As increase the drawing ratio, unoriented nylon 6α was transformed to oriented γ phase, while unoriented nylon 46αchanged to oriented 46 α phase. The effect of the addition of DETA was not observed in the pristine fibers. However, DETA affected to restrict the formation of crystals at the maximum drawing condition, and as a result it had a role to increase the moisture regain.

Abstract

We investigated the evolution of crystal formation as a function of drawing ratio in poly(1,4-diaminobutane-co-adipic acid-co-ε-caprolactam-co-diethylenetriamine)(nylon 466T) copolymer formed by four monomers, i.e 1,4-diaminobutane, adipic acid, ε-caprolactam, diethylenetriamine(DETA), using synchrotron X-ray scattering measurement. In case of pristine(as spun) nylon 466T fiber, it was consisted with unoriented nylon 6α and unoriented nylon 46αphases. As increase the drawing ratio, unoriented nylon 6α was transformed to oriented γ phase, while unoriented nylon 46αchanged to oriented 46 α phase. The effect of the addition of DETA was not observed in the pristine fibers. However, DETA affected to restrict the formation of crystals at the maximum drawing condition, and as a result it had a role to increase the moisture regain.

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