전기방사된 나일론66 나노웹의 열적∙기계적 특성에전자선 조사가 미치는 영향
The Effects of Electron Beam Irradiation on Thermal and Mechanical Properties of Electrospun Nylon 66 Nano-web
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Polyamide 66 (PA66) nanofibers with Triallyl cyanurate (TAC) were obtained by electrospinningof formic acid and chloroform solution. Electron beam irradiation of PA66 nanofiberwith and without TAC was carried out over a range of absorbed doses (20~100 kGy) in nitrogen. The characterization of the irradiated PA66 nanofibers and PA66 nanofibers with TAC was doneby scanning electron microscopy (SEM), nuclear magnetic resonance (NMR), thermogravimetricanalysis (TGA) and universal testing machine (UTM). The results of the SEM image analysis confirmedthat the morphology of PA66 nanofibers was not altered by electron beam. The amount ofTAC in PA66 nanofiber with TAC was identified by 1H-NMR analysis. The degradation temperatureof PA66 nanofibers with TAC at an absorbed dose of 20~100 kGy was higher than the irradiatedPA66 nanofiber without TAC. On the other hand, the decreasing rate of modulus of irradiatedPA66 nanofibers with TAC was less than PA66 nanofibers.
Abstract
Polyamide 66 (PA66) nanofibers with Triallyl cyanurate (TAC) were obtained by electrospinningof formic acid and chloroform solution. Electron beam irradiation of PA66 nanofiberwith and without TAC was carried out over a range of absorbed doses (20~100 kGy) in nitrogen. The characterization of the irradiated PA66 nanofibers and PA66 nanofibers with TAC was doneby scanning electron microscopy (SEM), nuclear magnetic resonance (NMR), thermogravimetricanalysis (TGA) and universal testing machine (UTM). The results of the SEM image analysis confirmedthat the morphology of PA66 nanofibers was not altered by electron beam. The amount ofTAC in PA66 nanofiber with TAC was identified by 1H-NMR analysis. The degradation temperatureof PA66 nanofibers with TAC at an absorbed dose of 20~100 kGy was higher than the irradiatedPA66 nanofiber without TAC. On the other hand, the decreasing rate of modulus of irradiatedPA66 nanofibers with TAC was less than PA66 nanofibers.
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