在自修复聚合物复合材料中,修复剂黏度和高聚物强度是保证自修复过程实现的重要因素.文中以合成用于自修复材料的环氧树脂微胶囊为目的,在双酚A型环氧树脂(E-51)中加入稀释剂正丁基缩水甘油醚(BGE)降低黏度,采用傅里叶红外(FT-IR)分析稀释荆对环氧胶粘荆与微胶囊咪唑类固化荆交联反应的影响,表征了在固化过程中稀释剂参与环氧胶粘剂与咪唑类固化剂的交联反应;使用差示扫描量热(DSC)技术对该固化反应进行动力学研究,确定出稀释荆的最佳用量;通过拉伸实验测定了环氧树脂固化产物的强度,表明BGE的加入增强了环氧树脂的胶粘性能.
参考文献
| [1] | White,SR;Sottos,NR;Geubelle,PH;Moore,JS;Kessler,MR;Sriram,SR;Brown,EN;Viswanathan,S .Autonomic healing of polymer composites.[J].Nature,2001(6822):794-797. |
| [2] | S.A. Hayes;F.R. Jones;K. Marshiya .A self-healing thermosetting composite material[J].Composites, Part A. Applied science and manufacturing,2007(4):1116-1120. |
| [3] | Yuan L;Liang GZ;Xie JQ;Li L;Guo J .Preparation and characterization of poly(urea-formaldehyde) microcapsules filled with epoxy resins[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(15):5338-5349. |
| [4] | Tao Yin;Min Zhi Rong;Ming Qiu Zhang .Self-healing epoxy composites - Preparation and effect of the healant consisting of microencapsulated epoxy and latent curing agent[J].Composites science and technology,2007(2):201-212. |
| [5] | Ooi S.K. .DSC studies of the curing mechanisms and kinetics of DGEBA using imidazole curing agents[J].Polymer: The International Journal for the Science and Technology of Polymers,2000(10):3639-3649. |
| [6] | Choi EJ.;Seo JC.;Bae HK.;Lee JK. .Synthesis and curing of new aromatic azomethine epoxies with alkoxy side groups[J].European Polymer Journal,2004(2):259-265. |
| [7] | Lee JY.;Shim MJ.;Kim SW.;Choi HK. .Kinetic studies of an epoxy cure reaction by isothermal DSC analysis[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,2000(1/2):111-117. |
| [8] | Lei Zhao;Xiao Hu .A variable reaction order model for prediction of curing kinetics of thermosetting polymers[J].Polymer: The International Journal for the Science and Technology of Polymers,2007(20):6125-6133. |
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