ICCAS OpenIR
Efficient grafting of polypropylene onto silica nanoparticles and the properties of PP/PP-g-SiO2 nanocomposites
Yuan, Wenjing1,2; Wang, Feng1; Chen, Zheming1,2; Gao, Chong1; Liu, Peng1; Ding, Yanfen1; Zhang, Shimin1; Yang, Mingshu1,2
2018-08-29
Source PublicationPOLYMER
ISSN0032-3861
Volume151Pages:242-249
AbstractGrafting polyolefin chains onto the surface of silica nanoparticles to form satisfactory polyolefin/silica nanocomposites still remains a challenge, even after the complicated functionalization of the polyolefin chains and surface modification of the silica. In this study, an efficient route for the preparation of polypropylene-grafted nanosilica (PP-g-SiO2) masterbatch was presented through the reactive melt blending of maleic-anhydride-grafted polypropylene (PP-MAH) and amino-functionalized silica (SN-NH2) synthesized by the co-condensation method. The amount of grafted PP chains could achieve to 80.8 wt%. And PP-g-SiO2 exhibited fine dispersion in PP matrix. The shear and extension rheology results of PP/PP-g-SiO2 nanocomposites showed that melt strength of PP could be enhanced remarkably by incorporation of PP-g-SiO2 masterbatch, which revealed the strong interactions between PP-g-SiO2 and PP matrix. These findings provide a facile way to prepare polyolefin-grafted nanosilica, while expanding the potential applications of nanosilica in polyolefin nanocomposites. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordPolypropylene Nanocomposite Silica Surface Grafting Melt Strength
DOI10.1016/j.polymer.2018.07.060
Indexed BySCI
Language英语
WOS IDWOS:000442400300027
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/42456
Collection中国科学院化学研究所
Corresponding AuthorWang, Feng; Yang, Mingshu
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Engn Plast, Zhongguancun North First St 2, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yuan, Wenjing,Wang, Feng,Chen, Zheming,et al. Efficient grafting of polypropylene onto silica nanoparticles and the properties of PP/PP-g-SiO2 nanocomposites[J]. POLYMER,2018,151:242-249.
APA Yuan, Wenjing.,Wang, Feng.,Chen, Zheming.,Gao, Chong.,Liu, Peng.,...&Yang, Mingshu.(2018).Efficient grafting of polypropylene onto silica nanoparticles and the properties of PP/PP-g-SiO2 nanocomposites.POLYMER,151,242-249.
MLA Yuan, Wenjing,et al."Efficient grafting of polypropylene onto silica nanoparticles and the properties of PP/PP-g-SiO2 nanocomposites".POLYMER 151(2018):242-249.
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