ICCAS OpenIR
Positron annihilation study of free volume holes in polymers and polymer blends
Chen, ZQ; Uedono, A; Suzuki, T; He, JS
2003
Source PublicationJOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
ISSN0236-5731
Volume255Issue:2Pages:291-294
AbstractPositron lifetime spectra were measured as a function of the time for metallocene polyethylene (mPE), poly(methyl methacrylate) (PMMA), polyamide (PA), and polycarbonate (PC). A decrease in o-Ps intensity with the elapsed time was observed in mPE and PC measured at room temperature and in PMMA measured at 225 K. Formation of free radicals has been supposed to be one of the causes of this effect. The effect of maleic-anhydride (maH) grafted copolymers and its ionomers in mPE/PA blends was also studied. The change in the positron lifetime distribution with increasing maH and the ionomer content revealed an enhanced interaction between mPE and PA phase and the decrease of dispersed mPE particles, which reflected good compatibility of the blend.
Indexed BySCI
Language英语
WOS IDWOS:000181237000015
PublisherKLUWER ACADEMIC PUBL
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/80624
Collection中国科学院化学研究所
Corresponding AuthorChen, ZQ
Affiliation1.Univ Tsukuba, Inst Appl Phys, Tsukuba, Ibaraki 3058573, Japan
2.KEK, High Energy Accelerator Res Org, Radiat Sci Ctr, Tsukuba, Ibaraki 3050801, Japan
3.Chinese Acad Sci, Inst Chem, State Key Lab Engn Plast, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Chen, ZQ,Uedono, A,Suzuki, T,et al. Positron annihilation study of free volume holes in polymers and polymer blends[J]. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,2003,255(2):291-294.
APA Chen, ZQ,Uedono, A,Suzuki, T,&He, JS.(2003).Positron annihilation study of free volume holes in polymers and polymer blends.JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,255(2),291-294.
MLA Chen, ZQ,et al."Positron annihilation study of free volume holes in polymers and polymer blends".JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 255.2(2003):291-294.
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