CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Radiation Induced Surface Modification of Nanoparticles and Their Dispersion in the Polymer Matrix
Fu, Z; Gu, XY; Hu, LM; Li, YJ; Li, JY
2020
Source PublicationNANOMATERIALS
ISSN2079-4991
Volume10Issue:11Pages:-
Subtype期刊论文
AbstractPolymer grafted inorganic nanoparticles attract significant attention, but pose challenges because of the complexity. In this work, a facile strategy to the graft polymer onto the surface of nanoparticles have been introduced. The vinyl functionalized SiO2 nanoparticles (NPs) were first prepared by the surface modification of the unmodified SiO2 using gamma-methacryloxy propyl-trimethoxylsilane. The NPs were then mixed with polyvinylidene fluoride (PVDF), which was followed by the Co-60 Gamma radiation at room temperature. PVDF molecular chains were chemically grafted onto the surface of SiO2 nanoparticles by the linking of the double bond on the NPs. The graft ratio of PVDF on SiO2 NPs surface can be precisely controlled by adjusting the absorbed dose and reactant feed ratio (maximum graft ratio was 31.3 wt%). The strategy is simple and it should be applied to the surface modification of many other nanoparticles. The prepared PVDF-grafted SiO2 NPs were then dispersed in the PVDF matrix to make the nanocomposites. It was found that the modified NPs can be precisely dispersed into the PVDF matrix, as compared with pristine silica. The filling content of modifications SiO2 NPs on the PVDF nanocomposites is almost doubled than the pristine SiO2 counterpart. Accordingly, the mechanical property of the nanocomposites is significantly improved.
KeywordIN-SITU FORMATION SILICA NANOCOMPOSITES MEMBRANES
DOI10.3390/nano10112237
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33098
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, CAS Ctr Excellence TMSR Energy Syst, 2019 Jialuo Rd, Shanghai 201800, Peoples R China
2.Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, 16 Xuelin Rd, Hangzhou 310036, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Fu, Z,Gu, XY,Hu, LM,et al. Radiation Induced Surface Modification of Nanoparticles and Their Dispersion in the Polymer Matrix[J]. NANOMATERIALS,2020,10(11):-.
APA Fu, Z,Gu, XY,Hu, LM,Li, YJ,&Li, JY.(2020).Radiation Induced Surface Modification of Nanoparticles and Their Dispersion in the Polymer Matrix.NANOMATERIALS,10(11),-.
MLA Fu, Z,et al."Radiation Induced Surface Modification of Nanoparticles and Their Dispersion in the Polymer Matrix".NANOMATERIALS 10.11(2020):-.
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