Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2007, Vol. 18 ›› Issue (5): 268

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ESR signals from silk fabrics irradiated by UV -rays

LIU Ruiqin1* XIE Leidong2 SHENG Kanglong2   

  1. 1 School of Nuclear Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China;
    2 Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
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LIU Ruiqin XIE Leidong SHENG Kanglong. ESR signals from silk fabrics irradiated by UV -rays.Nuclear Science and Techniques, 2007, 18(5): 268
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Abstract: ESR studies were done on UV-ray irradiated silk fabric samples at room temperature. Different types of UV lamps were used and similar ESR signals were observed. The results indicate that UV-rays can produce free radi-cals for graft-copolymerization of monomer onto silk fibers without external additives or co additives, Also, radicals in silk fabrics irradiated by UV-rays are purer than that irradiated by γ-rays. The study suggests that UV-lights may be a better tool to improve properties of silk fabrics by grafting monomers onto the polymer chains.

Key words: ESR, UV-ray irradiation, Silk fabrics