감마선 조사에 의하여 가교된 폴리에틸렌 발포 시트의 제조
Preparation of Polyethylene Foam Sheets Crosslinked by Gamma-ray Irradiation
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In this study, crosslinked polyethylene (PE) foam sheets were prepared through gammarayirradiation. PE foam sheets were prepared through a foaming process using sodium bicarbonateas a blowing and foaming agent. The prepared PE foam sheets were then crosslinked throughgamma-ray irradiation. The crosslinking degree was increased to 86.0% with an increase in theabsorption dose. The tensile strength of the crosslinked PE foam sheets was increased with anincrease in the absorption dose. However, the elongation-at-break of the crosslinked PE foam sheetswas decreased. The thermal decomposition temperature of the crosslinked PE foam sheets wasincreased to 421.2C with an increase in the absorption dose. The SEM analysis revealed that themorphology was not changed significantly after the crosslinking through gamma-ray irradiation.
Abstract
In this study, crosslinked polyethylene (PE) foam sheets were prepared through gammarayirradiation. PE foam sheets were prepared through a foaming process using sodium bicarbonateas a blowing and foaming agent. The prepared PE foam sheets were then crosslinked throughgamma-ray irradiation. The crosslinking degree was increased to 86.0% with an increase in theabsorption dose. The tensile strength of the crosslinked PE foam sheets was increased with anincrease in the absorption dose. However, the elongation-at-break of the crosslinked PE foam sheetswas decreased. The thermal decomposition temperature of the crosslinked PE foam sheets wasincreased to 421.2C with an increase in the absorption dose. The SEM analysis revealed that themorphology was not changed significantly after the crosslinking through gamma-ray irradiation.
참고문헌 (13)
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