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题名:
Highly hydrophilic ultra-high molecular weight polyethylene powder and film prepared by radiation grafting of acrylic acid
作者: Wang, HL; Xu, L; Li, R; Pang, LJ; Hu, JT; Wang, MH; Wu, GZ
刊名: APPLIED SURFACE SCIENCE
出版日期: 2016
卷号: 382, 期号:-, 页码:162—169
关键词: LOW-DENSITY POLYETHYLENE ; GAMMA-IRRADIATION ; MECHANICAL-PROPERTIES ; BEAM IRRADIATION ; ELECTRON-BEAM ; BONE-CEMENT ; ION-BEAMS ; UHMWPE ; OXIDATION ; ADHESION
DOI: 10.1016/j.apsusc.2016.03.175
通讯作者: Wu, GZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
文章类型: 期刊文献
英文摘要: The surface properties of ultra-high molecular weight polyethylene (UHMWPE) are very important for its use in engineering or composites. In this work, hydrophilic UHMWPE powder and film were prepared by gamma-ray pre-irradiation grafting of acrylic acid (AA) and further neutralization with sodium hydroxide solution. Variations in the chemical structure, grafting yield and hydrophilicity were investigated and compared. FT-IR and XPS analysis results showed that AA was successfully grafted onto UHMWPE powder and film; the powder was more suitable for the grafting reaction in 1 wt% AA solution than the film. Given a dose of 300 kGy, the grafting yield of AA was similar to 5.7% for the powder but similar to 0.8% for the film under identical conditions. Radiation grafting of a small amount of AA significantly improved the hydrophilicity of UHMWPE. The water contact angle of the UHMWPE-g-PAA powder with a grafting yield of AA at similar to 5.7% decreased from 110.2 degrees to 68.2 degrees. Moreover, the grafting powder (UHMWPE-g-PAA) exhibited good dispersion ability in water. (C) 2016 Elsevier B.V. All rights reserved.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000376819600021
ISSN号: 0169-4332
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25742
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Wang, HL,Xu, L,Li, R,et al. Highly hydrophilic ultra-high molecular weight polyethylene powder and film prepared by radiation grafting of acrylic acid[J]. APPLIED SURFACE SCIENCE,2016-01-01,382(-):162—169.
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