Positron Lifetimes and Crystallinity of γ-irradiated Polypropylenes

机译：γ辐照聚丙烯的正电子寿命和结晶度

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The microstructure of the polypropylenes (PP) irradiated by gamma ray was studied by positron lifetime technique and differential scanning calorimetry (DSC). Lifetime measurement shows o-Ps intensity decreases with increasing γ irradiation dose. The crystallinity of irradiated samples was detected by DSC method. The correlation between o-Ps intensity and crystallinity indicates γ-ray can induce higher crystallinity in the polypropylene at low irradiation dose.

机译：通过正电子寿命技术和差示扫描量热法（DSC）研究了γ射线辐照的聚丙烯（PP）的微观结构。终生测量表明，随着γ辐照剂量的增加，o-Ps强度降低。用DSC法检测被辐照样品的结晶度。 o-Ps强度与结晶度之间的相关性表明，γ射线可以在低辐照剂量下在聚丙烯中诱导更高的结晶度。

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来源
《Positron and positronium chemistry X》|2011年|163-166|共4页
会议地点 Smolenice Castle(SK)
作者
Z. Chen; W. Huang; P.F. Fang; W. Yu; S.J. Wang;
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作者单位

Department of Physics, Wuhan University, Wuhan, China;

Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, China;

Department of Physics, Wuhan University, Wuhan, China;

Department of Physics, Wuhan University, Wuhan, China;

Department of Physics, Wuhan University, Wuhan, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
Positron annihilation; polypropylenes; gamma irradiation; crystallinity;

机译：正电子ni灭；聚丙烯伽马射线结晶度;

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专利

1. Positron Lifetimes and Crystallinity of y-irradiated Polypropylenes [J] . Z. Chen, W. Huang, P.F. Fang, Materials science forum . 2013,第期

机译：γ辐照聚丙烯的正电子寿命和结晶度
2. Positron lifetimes in crystalline solids exposed to gamma rays with energies above the electron-positron pair formation threshold and a weak magnetic field [J] . Smith Gerald. A. Radiation Physics and Chemistry . 2016,第Null期

机译：能量超过电子-正电子对形成阈值和弱磁场的伽马射线暴露的结晶固体中的正电子寿命
3. POSITRON IRRADIATION EFFECTS ON POLYPROPYLENE AND POLYETHYLENE STUDIED BY POSITRON ANNIHILATION [J] . TAKENORI SUZUKI, TAICHI MIURA, YUICHI OKI, Radiation Physics and Chemistry . 1995,第4期

机译：正电子辐照对正电子AN灭研究的聚丙烯和聚乙烯的影响
4. Positron Lifetimes and Crystallinity of γ-irradiated Polypropylenes [C] . Z. Chen, W. Huang, P.F. Fang, International workshop on positron and positronium chemistry . 2013

机译：正电子寿命和γ-辐照聚丙烯的结晶度
5. CRYSTALLINE TO NON-CRYSTALLINE TRANSFORMATION OF IRRADIATED QUARTZ. [D] . PASCUCCI, MARINA ROSE. 1984

机译：辐射石英的晶体到非晶体的转变。
6. Enhancement of the Surface Properties on Polypropylene Film Using Side-Chain Crystalline Block Copolymers [O] . Sho Hirai, Patchiya Phanthong, Hikaru Okubo, 2020

机译：使用侧链结晶嵌段共聚物增强聚丙烯薄膜的表面性质
7. Positron irradiation effects on polypropylene and polyethylene studied by positron annihilation [O] . Suzuki, T, Miura, T, Oki, Y, 1994

机译：正电子ni没研究正电子辐照对聚丙烯和聚乙烯的影响

Positron Lifetimes and Crystallinity of γ-irradiated Polypropylenes

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