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超支化聚酯基二茂铁/环氧树脂复合材料的固化行为及性能研究

Keywords: 超支化聚酯基二茂铁,环氧树脂,固化动力学,热性能

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Abstract:

采用非等温DSC法对超支化聚酯基二茂铁/环氧树脂固化体系的固化反应热行为及固化动力学进行了研究,分别利用Kissinger和Ozawa动力学模型计算得到各体系固化反应的表观活化能,利用Crane模型计算出固化反应级数,通过固化体系的DSC数据确定了体系的固化工艺为100℃2h→140℃2h→160℃1h,并通过TG及DSC测试了在该工艺固化后复合材料的5%热失重温度在287~330℃,玻璃化转变温度在105.29~130.27℃之间,具有良好的热性能.

References

[1]  Myong J Y, Sang H K, Seong D. Investigation of curing kinetics of various cycloaliphatic epoxy resins using dynamic thermal analysis[J]. European Polymer Journal, 2010,46(5):1158-1162.
[2]  张竞,黄培.环氧树脂固化动力学研究进展[J].材料导报,2009,23(7):58-61. Zhang Jing, Huang Pei. Research advances in epoxy resin curing kinetics[J]. Materials Review, 2009,23(7):58-61. (in Chinese)
[3]  夏敏,罗运军,王兴元.超支化聚合物/环氧树脂体系的固化行为及性能[J].高分子材料科学与工程,2008,24(2):99-106. Xia Min, Luo Yunjun, Wang Xingyuan. Curing behaviors and mechanical performance of hyperbranched polymers/epoxy curing systems[J]. Polymer Materials Science & Engineering, 2008,24(2):99-106. (in Chinese)
[4]  Thomas R, Durix S, Sinturel C, et al. Cure kinetics, morphology and miscibility DGEBA based epoxy resin-effects of a liquid rubber inclusion[J]. Polymer, 2007, 48(6):1695-1710.
[5]  Shigue C Y, Rafaela G S, Baldan C A, et al. Monitoring the epoxy curing by the dielectric thermal analysis method[J]. IEEE Trans Appl Superconduct, 2004,4(2):1173-1176.
[6]  Bilyeu B. Characterization of cure kinetics and physical properties of a high performance, glass fiber-reinforced epoxy prepreg and a novel fluorine-modified, amine-cured commercial epoxy[D]. Denton: University of North Texas, 2003:28-30.
[7]  夏敏,罗运军,李晓萌,等.端基对超支化聚合物改性环氧树脂性能的影响研究[J].高分子材料科学与工程,2009,25(4):58-61. Xia Min, Luo Yunjun, Li Xiaomeng, et al. Performances of epoxy resins modified by hyperbranched polymers with different types of terminal groups[J]. Polymer Materials Science & Engineering, 2009,25(4):58-61. (in Chinese)
[8]  赵辉,罗运军,李杰,等.PVC/超支化聚(胺-酯)共混物的冲击与流变性能研究[J].北京理工大学学报,2005,25(11):1015-1018. Zhao Hui, Luo Yunjun, Li Jie, et al. The impact and rheological properties of PVC/hyperbranched poly(amine-ester) blends[J]. Transactions of Beijing Institute of Technology, 2005,25(11):1015-1018. (in Chinese)
[9]  Xiao Fengjuan, Yin Changxiao, Wang Erxin, et al. Thermal behaviors of ferrocenyl-terminated hyperbranched polyester[J]. J Inorg Organomet Polym, 2010,20:278-283.
[10]  Hojjati M, Johnson A, Cole K C. Cure kinetics of hexcel W3T282-42/F155 graphite/epoxy prepreg[J]. Science and Engineering of Composite Materials, 2000,9(3):111-122.
[11]  Ozawa T. A new method of analyzing thermo-gravimetric data[J]. Bull Chem Soc Japan, 1965,38(11):1881-1886.
[12]  Kissinger H E. Reaction kinetics in different thermoanalysis[J]. Anal Chem, 1957,29:1702.
[13]  胡荣祖,史启祯.热分析动力学[M].北京:科学出版社,2001. Hu Rongzu, Shi Qizhen. Thermal analysis kinetics[J]. Beijing: Science Press, 2001. (in Chinese)
[14]  夏敏.超支化环氧化合物的合成、表征与应用研究[D].北京:北京理工大学,2007. Xia Min. The study on the synthesis, characterization and application of hyperbranced epoxy compounds[D]. Beijing: Beijing Institute of Technology, 2007.
[15]  Mansfield M L. Dendron segregation in model dendrimers[J]. Polymer, 1994,35:1827-1829.

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