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Modification of Cyanate Ester Resin by Hydroxyl-Terminated Liquid Butadiene-Acrylonitrile Rubber and Free Volume Properties of Their Composites
Zeng, MF; Sun, XD; Yao, XD; Wang, Y; Zhang, MZ; Wang, BY; Qi, CZ; Wang BY(王宝义)
2010
发表期刊JOURNAL OF APPLIED POLYMER SCIENCE
卷号115期号:1页码:338-345
通讯作者[Zeng Minfeng ; Sun Xudong ; Yao Xiandong ; Wang Yun ; Zhang Mingzhu ; Qi Chenze] Shaoxing Univ, Inst Appl Chem, Coll Chem & Chem Engn, Shaoxing 312000, Peoples R China ; [Wang Baoyi] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要The toughness of cyanate ester resin (CE) matrix is improved significantly with addition of hydroxyl-terminated liquid butadiene-acrylonitrile rubber (HTBN). The impact strength increased from 4.4 KJ/m(2) (pure CE) to 13.3 KJ/m(2) (CE/HTBN, HTBN 10 wt %). The curing behavior of the system is studied by differential scanning calorimetric and Fourier transform infrared spectroscope. The results showed that hydroxyl groups on the HTBN chains have slight activation effect to CE curing reaction at the beginning of the cure process. The toughening mechanism is mainly caused by the flexibilizing effects of the homogeneously dispersed HTBN molecules in the CE matrix. The toughening mechanism was demonstrated from the aspect of free volume using positron annihilation lifetime spectroscopy. With addition of HTBN, the mean free-volume size of the composite is smaller than pure CE. The decrease in the mean free-volume size of the system is mainly related to the partition effects of the finely dispersed HTBN molecules to the free-volume holes of CE matrix. A dramatic increase in the interfacial area occurs in this highly miscible system. Good interfacial adhesion is also reflected from the higher 12 Of the composite. Therefore, more positrons annihilation in their free state occurs in the composites containing HTBN than pure CE. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 115: 338-345, 2010
关键词phase behavior structure-property relations toughness
学科领域Polymer Science
研究领域[WOS]Polymer Science ; Polymer Science
DOI10.1002/app.31135
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语种英语
研究领域[WOS]Polymer Science ; Polymer Science
WOS类目Polymer Science
WOS记录号WOS:000271671500043
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被引频次:15[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/311005/237050
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. Modification of Cyanate Ester Resin by Hydroxyl-Terminated Liquid Butadiene-Acrylonitrile Rubber and Free Volume Properties of Their Composites[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2010,115(1):338-345.
APA Zeng, MF.,Sun, XD.,Yao, XD.,Wang, Y.,Zhang, MZ.,...&王宝义.(2010).Modification of Cyanate Ester Resin by Hydroxyl-Terminated Liquid Butadiene-Acrylonitrile Rubber and Free Volume Properties of Their Composites.JOURNAL OF APPLIED POLYMER SCIENCE,115(1),338-345.
MLA Zeng, MF,et al."Modification of Cyanate Ester Resin by Hydroxyl-Terminated Liquid Butadiene-Acrylonitrile Rubber and Free Volume Properties of Their Composites".JOURNAL OF APPLIED POLYMER SCIENCE 115.1(2010):338-345.
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