研究了电子辐照对几种4,4’-二氨基二苯甲烷固化的环氧树脂造成的破坏效应.结果表明:在1.4 MeV电子辐照时,环氧树脂会变色、失重、开裂,同时力学性能下降.实验结果表明:双酚A二缩水甘油醚(DGEBA),N,N,N’,N’-四缩水甘油基-4,4’-二氨基二苯甲烷(TGDDM),对氨基苯酚三缩水甘油环氧树脂(TGPAP),DGEBA/TGDDM和DGEBA/TGPAP共混物均能承受106 Gy的吸收剂量.而DGEBA/TGPAP共混物,能承受107 Gy的吸收剂量.环氧树脂抗辐照性能的次序为DGEBA/TGPAP＞ DGEBA/TGDDM ＞TGPAP≈TGDDM＞DGEBA.环氧树脂经电子辐照后压缩模量增加,表明在辐照效应中交联机理占主导,DMA和DSC分析也证实了这一点.
参考文献
| [1] | Devanne T;Bry A;Raguin N et al.Radiochemical ageing of an amine cured epoxy network.Part II:kinetic modeling[J].Polymer,2005,46(01):237-242. |
| [2] | Ngono-Ravache Y;Foray M F;Bardet M .High resolution solid-state13C-NMR study of as-cured and irradiated epoxy resins[J].Polymers For Advanced Technologies,2001,12(09):515-523. |
| [3] | Firas Awaja;Jin Bum Moon;Shengnan Zhang;Michael Gilbert;Chun Gon Kim;Paul J. Pigram .Surface molecular degradation of 3D glass polymer composite under low earth orbit simulated space environment[J].Polymer Degradation and Stability,2010(6):987-996. |
| [4] | 张瑜,戴耀东,李江苏,孙浩,常树全.聚丙烯酸铅/环氧树脂辐射防护材料的制备及性能研究[J].高分子学报,2010(05):582-587. |
| [5] | Devanne T;Bry A;Audouin L;Verdu J .Radiochemical ageing of an amine cured epoxy network.Part Ⅰ:change of physical properties[J].Polymer,2005,46(01):229-236. |
| [6] | Fornes R E;Memory J D;Naranong N .Effect of 1.33 MeV radiation and 0 5 MeV electrons on the mechanical properties of graphite fiber composites[J].Journal of Applied Polymer Science,1981,26(06):2061-2066. |
| [7] | Wolf K W;Memory J D;Gilbert R D et al.Effects of 0.5 MeV electrons on the interlaminar shear and flexural strength properties of graphite fiber composites[J].Journal of Applied Physics,1983,54(10):5558-5561. |
| [8] | Guarino F S;Hauviller C;Kenny J M .Radiation effects on room temperature epoxy adhesive molecular structure:Mechanical tests and correlation with calorimetric and outgassing analyses[J].Journal of Macromolecular Sciences Part B:Physics,1999,38(5/6):623-633. |
| [9] | Nishiura T;Katagiri K;Nishijima S et al.Gamma-ray irradiation effects on interlaminar tearing strength of epoxy-based FRP[J].Journal of Nuclear Materials,1990,174:l10-117. |
| [10] | Park J S;Seo K S;Fornes R E et al.Effects of ionizing radiation on epoxys,graphite fiber and their composites[J].Plastics and Rubber Processing and Applications,1988,10:203-208. |
| [11] | Gao Y;Dong SL;Yang DZ;He SY;Li ZJ .Damage effects of 120-keV electron radiation on AG-80 resin[J].Journal of Polymer Science, Part B. Polymer Physics,2006(1):177-184. |
| [12] | L.Vignoud;L.David;B.Sixou;G.Vigier .Influence of electron irradiation on the mobility and on the mechanical properties of DGEBA/TETA epoxy resins[J].Polymer: The International Journal for the Science and Technology of Polymers,2001(10):4657-4665. |
| [13] | Sasuga T;Udagawa A .Molecular motion of several epoxy resins and influence of electron irradiation[J].Polymer,1991,32:402-408. |
| [14] | Burnay S G .Radiation-induced changes in the structure of an epoxy resin[J].Radiation Physics and Chemistry,1980,16(05):389-397. |
| [15] | Burnay S G .Radiation induced structural changes in an epoxide resin system Ⅱ[J].Radiation Physics and Chemistry,1982,19(02):93-99. |
| [16] | Evans R D.The Atomic Nucleus[M].New York:McGraw-Hill,1955:612-625. |
| [17] | Longiéras N;sebban M;Palmas P et al.Multiscale approach to investigate the radiochemical degradation of epoxy resins under high-energy electron-beam irradiation[J].Journal of Polymer Science Part A:Polymer Chemistry,2006,44:865-887. |
| [18] | Ochi M;Shimbo M .Mechanical relaxation mechanism of epoxide resins cured with aliphatic diamines[J].Journal of Polymer Science Part B:Polymer Physics,1982,20:689-699. |
| [19] | Ochi M;Shimbo M .Mechanical relaxation mechanism of epoxide resins cured with acid anhydrides[J].Journal of Polymer Science Part B:Polymer Physics,1984,22:1461-1470. |
| [20] | Shangjin He;Keyu Shi;Jie Bai;Zengkun Zhang;Liang Li;Zongjie Du;Baolong Zhang .Studies on the properties of epoxy resins modified with chain-extended ureas[J].Polymer: The International Journal for the Science and Technology of Polymers,2001(23):9641-9647. |
| [21] | Williams J L;Dunn T S .Advances in the radiation of polypropylene[J].Radiation Physics and Chemistry,1983,22(1/2):209-214. |
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