방사선과 열처리된 폴리비닐알콜 섬유의 물리적 변화
Physical Changes on the Radiation and Heat Induced Poly(Vinyl Alcohol) Fibers
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초록
Poly(vinyl alcohol) (PVA) has high tensile strength and flexibility as well as oxygenbarrier properties. The water, which acts as a plasticizer, reduces the tensile strength of PVA andswells PVA as well. It needs to have high water-resistant depending on its applications, especiallyfor the use as tire cords. The aim of this work was to investigate the effect of the annealingtemperature and radiation on the Gel content and tensile strength of PVA fibers. For this purpose,gel fraction and tensile strength were determined and analyzed. Annealing was performed in thetemperature range of 120~180℃ for 10 min. PVA fibers were irradiated by using a conventionalelectron beam irradiation at a radiation dose of 50~200 kGy, at a dose of 10 kGy/pass at roomtemperature (acceleration voltage of 1 MeV). Annealing markedly increased the Gel content andthe tensile strength of PVA fibers. However irradiation lowered the Gel content and the tensilestrength of PVA fibers because they were degraded easily by radiation.
Abstract
Poly(vinyl alcohol) (PVA) has high tensile strength and flexibility as well as oxygenbarrier properties. The water, which acts as a plasticizer, reduces the tensile strength of PVA andswells PVA as well. It needs to have high water-resistant depending on its applications, especiallyfor the use as tire cords. The aim of this work was to investigate the effect of the annealingtemperature and radiation on the Gel content and tensile strength of PVA fibers. For this purpose,gel fraction and tensile strength were determined and analyzed. Annealing was performed in thetemperature range of 120~180℃ for 10 min. PVA fibers were irradiated by using a conventionalelectron beam irradiation at a radiation dose of 50~200 kGy, at a dose of 10 kGy/pass at roomtemperature (acceleration voltage of 1 MeV). Annealing markedly increased the Gel content andthe tensile strength of PVA fibers. However irradiation lowered the Gel content and the tensilestrength of PVA fibers because they were degraded easily by radiation.
참고문헌 (15)
- 최재학, "방사선을 이용한 고분자 재료의 가공", 고분자과학과 기술, 18(3), pp.253~258 (2007)
- Alcantara MTS, "Influence of dissolution processing of PVA blends on the characteristics of their hydrogels synthesized by radiation-Part 1: Gel fraction, swelling and mechanical properties", Rad. Phys. Chem, 81(9), pp.1465~1470 (2012)
- Basfar AA, "Radiation-crosslinking of shape memory polymers based on poly (vinyl alcohol) in the presence of carbon nanotubes", Rad. Phys. Chem, 106, pp.376~384 (2015)
- Bhat NV, "Effect of γ-radiation on the structure and morphology of polyvinyl alcohol films", Nucl. Instrum. Meth. Phys. Res. Section B: Beam Interact. Mater. Atoms, 237(3), pp.585~592 (2007)
- Duflot AV, "Radiation-chemical preparation of poly (vinyl alcohol) hydrogels", Rad. Phys. Chem, 107, pp.1~6 (2015)
- Gonzalez JS, "The effect of the annealing on the poly (vinyl alcohol) obtained by freezing-thawing", Thermochim. Acta, 521, pp.184~190 (2011)
- Macias CE, "Effect of annealing on the strength of poly (vinyl alcohol) hydrogels for cartilage resurfacing", 55th Annual Meeting of the Orthop. Resear. Soc (1988)
- Menzel B, "Enhance wear resistance of gamma-irradiated PTFE and FEP polymers and the effect of post-irradiation environmental handling", Wear, 258, pp.935~941 (2005)
- Nilolic AM, "On the use of gamma irradiation crosslinked PVA membranes in hydrogen fuel cells", Electrochem. Commun, 9(11), pp.2661~2665 (2007)
- Oral E, "Vitamin C hinders radiation crosslinking in aqueous poly (vinyl alchol) solutions", Nucl. Instrum. Meth. Phys. Res. Section B: Beam Interact. Mater. Atoms, 265(1), pp.92~97 (2007)
- Oshima A, "Radiation induced crosslinking of polytetrafluoroethylene", Radiat. Phys. Chem, 45(2), pp.269~273 (1995)
- Stoica-Guzun S, "Effect of γ-irradiation on poly (vinyl alchol) and bacterial cellulose composites used as packaging materials", Radiat. Phys. Chem, 84, pp.200~204 (2013)
- Sun J, "Radiation crosslinking of polytetrafluoroethylene", Polym. Commun, 35(13), pp.2881~2893 (1994)
- Sun W, "Synergistic effect of ozonation and ionizing radiation for PVA deposition", J. Environment. Sci, 34, pp.63~67 (2015)
- Zhang SJ, "Radiation-induced degradation of polyvinyl alcohol in aqueous solutions", Water Res, 38(2), pp.309~316 (2004)