Highly hydrophilic ultra-high molecular weight polyethylene powder and film prepared by radiation grafting of acrylic acid
Wang, HL; Xu, L; Li, R; Pang, LJ; Hu, JT; Wang, MH; Wu, GZ; Wu, GZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2016
发表期刊APPLIED SURFACE SCIENCE
ISSN0169-4332
卷号382期号:-页码:162—169
文章类型期刊文献
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.
关键词Low-density Polyethylene Gamma-irradiation Mechanical-properties Beam Irradiation Electron-beam Bone-cement Ion-beams Uhmwpe Oxidation Adhesion
DOI10.1016/j.apsusc.2016.03.175
收录类别SCI
语种英语
WOS记录号WOS:000376819600021
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25742
专题中科院上海应用物理研究所2011-2018年
通讯作者Wu, GZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
推荐引用方式
GB/T 7714
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,2016,382(-):162—169.
APA Wang, HL.,Xu, L.,Li, R.,Pang, LJ.,Hu, JT.,...&Wu, GZ .(2016).Highly hydrophilic ultra-high molecular weight polyethylene powder and film prepared by radiation grafting of acrylic acid.APPLIED SURFACE SCIENCE,382(-),162—169.
MLA Wang, HL,et al."Highly hydrophilic ultra-high molecular weight polyethylene powder and film prepared by radiation grafting of acrylic acid".APPLIED SURFACE SCIENCE 382.-(2016):162—169.
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