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Effects of SiO2 nanoparticles on the performance of carboxyl-randomized liquid butadiene-acrylonitrile rubber modified epoxy nanocomposites
Zeng, MF; Sun, XD; Yao, XD; Ji, GZ; Chen, N; Wang, BY; Qi, CZ; Wang BY(王宝义)
2007
发表期刊JOURNAL OF APPLIED POLYMER SCIENCE
卷号106期号:2页码:1347-1352
通讯作者Shaoxing Univ, Inst Appl Chem, Shaoxing 312000, Peoples R China ; Chinese Acad Sci, Inst Chem & Phys, Lanzhou 730000, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要The effects Of SiO2 nanoparticles on the performance of carboxyl-randomized liquid butadiene-acrylonitrile rubber (CRBN) modified epoxy resin (EP) nanocomposites were studied. With the addition of an appropriate amount Of SiO2 (2%) to EP/CRBN (95/5), the nanocomposites could achieve the desired impact strength and modulus. The morphology of the nanocornposites was studied with scanning electron microscopy and transmission electron microscopy. The nanocomposites showed a three-phase system; both the rubber particles and SiO2 nanoparticles showed uniform dispersions in the EP matrix, with their phases all nanosized. A good correlation between the free-volurne hole radius and mechanical properties was found. The introduction of a small amount of nanoparticles (both rubber and SiO2) into EP led to the formation of interactions between the EP and nanoparticles. The interactions restricted the segment motion and the mobilization of the EP chains and then reduced the free-volume concentration in the amorphous region of EP. The fact that the average free-volume hole radius of EP/CRBN was larger than that of pure EP was mainly attributed to the contribution of the larger size of the free-volurne holes within the rubber phase. (C) 2007WileyPeriodicals, Inc.
关键词nanocomposites structure-property relations toughness
学科领域Polymer Science
DOI10.1002/app.26579
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语种英语
WOS研究方向Polymer Science
WOS类目Polymer Science
WOS记录号WOS:000248891200074
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239305
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Zeng, MF,Sun, XD,Yao, XD,et al. Effects of SiO2 nanoparticles on the performance of carboxyl-randomized liquid butadiene-acrylonitrile rubber modified epoxy nanocomposites[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2007,106(2):1347-1352.
APA Zeng, MF.,Sun, XD.,Yao, XD.,Ji, GZ.,Chen, N.,...&王宝义.(2007).Effects of SiO2 nanoparticles on the performance of carboxyl-randomized liquid butadiene-acrylonitrile rubber modified epoxy nanocomposites.JOURNAL OF APPLIED POLYMER SCIENCE,106(2),1347-1352.
MLA Zeng, MF,et al."Effects of SiO2 nanoparticles on the performance of carboxyl-randomized liquid butadiene-acrylonitrile rubber modified epoxy nanocomposites".JOURNAL OF APPLIED POLYMER SCIENCE 106.2(2007):1347-1352.
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