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Study on polytetrafluoroethylene aqueous dispersion irradiated by gamma ray
Su, JL(苏杰龙); Wu, GZ(吴国忠); Liu, YD(刘耀东); Zeng, HY; Wu, GZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Jialuo Rd 2019, Shanghai 201800, Peoples R China
2006
Source PublicationJOURNAL OF FLUORINE CHEMISTRY
ISSN0022-1139
Volume127Issue:1Pages:91
AbstractGamma-radiation induced degradation of poly tetrafluoroethylene (PTFE) in 60 wt.% dispersion was studied in the dose range of 20-200 kGy and the change in property of PTFE was characterized by differential scanning calorimetry (DSC), photon cross correlation spectroscopy (PCCS), X-ray diffraction (XRD), scanning electron microscopy (SEM), FT-IR spectroscopy and X-ray photoelectron spectroscope (XPS). It was found that the mean particle size of PTFE reduces from 250 nm of the control to 170 nm at 100 kGy, as confirmed by dynamic laser scattering and SEM. The crystallinity degree of PTFE increased at 20 kGy but remained unvaried at higher dose level. G-value of scission, G(s), was determined to be 0.46 mu mol/J. (C) 2005 Elsevier B.V. All rights reserved.
KeywordRadiation Ptfe Dispersion Degradation g(s)
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000234532600015
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8206
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorWu, GZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Jialuo Rd 2019, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Su, JL,Wu, GZ,Liu, YD,et al. Study on polytetrafluoroethylene aqueous dispersion irradiated by gamma ray[J]. JOURNAL OF FLUORINE CHEMISTRY,2006,127(1):91.
APA Su, JL,Wu, GZ,Liu, YD,Zeng, HY,&Wu, GZ .(2006).Study on polytetrafluoroethylene aqueous dispersion irradiated by gamma ray.JOURNAL OF FLUORINE CHEMISTRY,127(1),91.
MLA Su, JL,et al."Study on polytetrafluoroethylene aqueous dispersion irradiated by gamma ray".JOURNAL OF FLUORINE CHEMISTRY 127.1(2006):91.
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