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Free-volume properties and toughening behavior of cyanate ester resin/carboxyl-randomized liquid butadiene-acrylonitrile rubber composites
Zeng, MF; Sun, XD; Yao, XD; Wang, Y; Zhang, MZ; Wang, BY; Qi, CZ
2009
发表期刊JOURNAL OF MATERIALS SCIENCE
卷号44期号:16页码:4270-4278
通讯作者[Zeng, Minfeng ; Sun, Xudong ; Yao, Xiandong ; Wang, Yun ; Zhang, Mingzhu ; Qi, Chenze] Shaoxing Univ, Inst Appl Chem, Shaoxing 312000, Peoples R China ; [Wang, Baoyi] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
摘要The toughness of cyanate ester resin (CE) matrix was improved significantly with addition of carboxyl-randomized liquid butadiene-acrylonitrile rubber (CRBN). The curing behavior of the system was studied by differential scanning calorimetric (DSC) and Fourier transform infrared spectrum (FTIR). The results showed that carboxyl groups on the CRBN chain had slight activation effect to CE curing reaction at the beginning of the cure process. Phase separation was the main toughening mechanism for CE/CRBN composites. The existence of micro-size pores induced by small amount of the low weight molecular part of CRBN might be another toughening mechanism. The toughening mechanism was proved powerfully from the aspect of free-volume using positron annihilation lifetime spectroscopy (PALS). PALS is qualitatively sensitive to the existence of pores induced by low molecular weight part of CRBN during curing process.
文章类型Article
学科领域Materials Science
DOI10.1007/s10853-009-3624-3
研究领域[WOS]Materials Science
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语种英语
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000267784300010
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239973
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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GB/T 7714
Zeng, MF,Sun, XD,Yao, XD,et al. Free-volume properties and toughening behavior of cyanate ester resin/carboxyl-randomized liquid butadiene-acrylonitrile rubber composites[J]. JOURNAL OF MATERIALS SCIENCE,2009,44(16):4270-4278.
APA Zeng, MF.,Sun, XD.,Yao, XD.,Wang, Y.,Zhang, MZ.,...&Qi, CZ.(2009).Free-volume properties and toughening behavior of cyanate ester resin/carboxyl-randomized liquid butadiene-acrylonitrile rubber composites.JOURNAL OF MATERIALS SCIENCE,44(16),4270-4278.
MLA Zeng, MF,et al."Free-volume properties and toughening behavior of cyanate ester resin/carboxyl-randomized liquid butadiene-acrylonitrile rubber composites".JOURNAL OF MATERIALS SCIENCE 44.16(2009):4270-4278.
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