Influence of irradiation dose on free volume and microstructure of SIB biblock copolymer study by PALS and FT-IR

文献类型: 外文期刊

第一作者: Jiang Zhong-Ying

作者: Jiang Zhong-Ying;Yu Wei-Zhong;Zhao Yong-Fu;Jiang Xi-Qun;Xia Yuan-Fu

作者机构:

关键词: positron annihilation technique;positronium;block copolymer;gamma irradiation

期刊名称:ACTA PHYSICA SINICA ( 影响因子:0.819; 五年影响因子:0.618 )

ISSN: 1000-3290

年卷期: 2006 年 55 卷 7 期

页码:

收录情况: SCI

摘要: Positron annihilation lifetime spectroscopy and Fourier transform Infrared spectrometer were used to study the effect of gamma irradiation dose on free volume and microstructure of polystyrene-block-butadiene diblock copolymer, respectively. Based on the free volume classic model of Eldrup and examonation of the correlation between their results, the model of gamma irradiation effect on cross-linking and degradation of SB is established. Thermal gravity analysis was used to study thermal stability of SB at various irradiation doses to reveal the relationship between thermal stability and micro-structure changes.

分类号:

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