The effect of gamma irradiation on mechanical, and thermal properties of recycling polyethylene terephthalate and low density polyethylene (R-PET/LDPE) blend compatibilized by ethylene vinyl acetate (EVA)

被引：36
作者：
Tawab, K. Abdel [1 ]
Ibrahim, Sayeda M. [1 ]
Magida, M. M. [1 ]
机构：
[1] Natl Ctr Radiat Res & Technol, Dept Radiat Chem, Nasr City, Cairo, Egypt
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2013年 / 295卷 / 02期
关键词：
Irradiation; EVA; LDPE; Thermal; POLY(ETHYLENE-TEREPHTHALATE); MORPHOLOGY; IONOMER;
D O I：
10.1007/s10967-012-2163-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A study has been made on the compatibility of recycled polyethylene terephthalate (R-PET) and low density polyethylene (LDPE) blend in the presence of ethylene vinyl acetate (EVA) as a compatibilizing agent prepared by extrusion hot stretching process. EVA content in the blend as a compatibilizing agent was an enhancement effect on radiation crosslinking of R-PET/EVA/LDPE blends and the highest radiation crosslinking was obtained when the EVA content was reached at 10 % EVA when irradiated by gamma irradiation. Blends containing different (EVA) ratios were irradiated to different doses of gamma irradiation 25, 50 and 100 kGy. The effect of the compatibilizer and radiation on mechanical, thermal properties of R-PET together with LDPE and morphology has been investigated. It was found that gamma irradiation together with the presence of compatibilizing agent (EVA) has positive effect on the mechanical and thermal properties of R-PET/LDPE blend. The structural properties of R-PET/LDPE modified by gamma irradiation and EVA as compatibilizing agent was examined by SEM. Also, it was found that the optimum concentration of EVA and gamma irradiation dose was found to be 10 % EVA and 100 kGy, respectively.
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页码：1313 / 1319
页数：7
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