Knowledge Management System Of Shanghai Institute of Applied Physics, CAS
| Comprehensive study of positronium formation in polymer blends between polyethylene and ethylene-vinylacetate copolymer | |
| Wang, CL; Kobayashi, Y; Hirata, K; Zheng, W; Zhang, C | |
| 2000 | |
| Conference Name | 6th International Workshop on Positron and Positronium Chemistry (PPC-6) |
| Source Publication | RADIATION PHYSICS AND CHEMISTRY |
| Pages | 491 |
| Conference Date | JUN 07-11, 1999 |
| Conference Place | TSUKUBA, JAPAN |
| Abstract | The intensity I-3 Of or tho-positronium (o-Ps) in a polymer blend system consisting of polyethylene (PE) and ethylene-vinylacetate (EVA, random copolymer with a vinylacetate content of about 14%) was measured as functions of EVA weight content (Phi = 0-100%), electric field (E = 0-60 kV/cm), positron irradiation time (t = 0-200 h) and temperature (T = 100-300 K). It was found that the addition of small amounts of EVA to PE significantly alters the electric field, positron irradiation time and temperature dependence of I-3. Positron trapping on polar EVA is suggested to be responsible for the sensitive effects of EVA. (C) 2000 Elsevier Science Ltd. All rights reserved. |
| ISSN | 0969-806X |
| Indexed By | SCI |
| Funding Project | 应物所课题组 |
| Language | 英语 |
| Document Type | 会议论文 |
| Identifier | http://ir.sinap.ac.cn/handle/331007/9791 |
| Collection | 中科院上海原子核所2003年前 |
| Recommended Citation GB/T 7714 | Wang, CL,Kobayashi, Y,Hirata, K,et al. Comprehensive study of positronium formation in polymer blends between polyethylene and ethylene-vinylacetate copolymer[C],2000:491. |
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