采用二烯丙基双酚A(DBA)对氰酸酯树脂(CE)进行改性,分别运用Flynn-Wall-Ozawa等转化率法和Kissinger极值法计算了改性树脂体系的固化动力学参数,并对固化树脂的力学性能和动态力学性能进行了研究.结果表明:DBA对氰酸酯树脂具有明显的催化作用和增韧效果,含5%DBA的改性树脂固化反应活化能最小(62.16kJ/mol),当DBA的加入量为10%时,树脂固化物的冲击强度达到纯氰酸酯树脂的2.07倍,含有DBA的CE树脂固化物的储能模量和玻璃化转变温度均有所降低.
参考文献
[1] | Yuan, L.;Liang, G.;Gu, A. .The thermal and dielectric properties of high performance cyanate ester resins/microcapsules composites[J].Polymer Degradation and Stability,2011(1):84-90. |
[2] | 钟翔屿,包建文,陈祥宝,李晔.改性氰酸酯树脂体系韧性及介电性能研究[J].材料工程,2006(01):38-42. |
[3] | 戴培邦.高性能印刷电路板用氰酸酯树脂研究进展[J].绝缘材料,2010(04):22-26. |
[4] | Shi HH;Fang ZP;Gu AJ;Tong LF;Xu ZB .Carboxyl-terminated butadiene-acrylonitrile rubber modified cyanate ester resin[J].Journal of Applied Polymer Science,2007(5):3098-3104. |
[5] | Minfeng, Z.;Cuiyun, L.;Chenze, Q. .Preparation and Characterization of Two Types of Cyanate Ester-epoxy Resin Interpenetrating Network Matrix/Butadiene-acrylonitrile Rubber Composites[J].Journal of Macromolecular Science. Physics,2010(4):680-694. |
[6] | Lu SH;Zhou ZW;Fang L;Liang GZ;Wang JL .Preparation and properties of cyanate ester modified by epoxy resin and phenolic resin[J].Journal of Applied Polymer Science,2007(5):3150-3156. |
[7] | Walters R N;Lyon R E .Fire-resistant Cyanate Ester-epoxy Blends[J].Fire and Materials,2003,27:183-194. |
[8] | Dinakaran K;Alagar M .Preparation and Characterization of Epoxy-cyanate Ester Interpenetrating Network Matrices/Organoclay Nnanocomposites[J].Polymers For Advanced Technologies,2003,14:574-585. |
[9] | 宫大军,魏伯荣,柳丛辉.国内氰酸酯树脂增韧改性的研究进展[J].绝缘材料,2009(05):52-57. |
[10] | Gomez CM;Recalde IB;Mondragon M .Kinetic parameters of a cyanate ester resin catalyzed with different proportions of nonylphenol and cobalt acetylacetonate catalyst[J].European Polymer Journal,2005(11):2734-2741. |
[11] | Ozawa T. .Thermal analysis - review and prospect[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,2000(1/2):35-42. |
[12] | Leroy E.;Maazouz A.;Dupuy J. .A method of estimating kinetic parameters of thermoset cures: Application to a dicyanate ester resin[J].Macromolecular chemistry and physics,2001(4):465-474. |
[13] | 胡荣祖;史启祯.热分析动力学[M].北京:科学出版社,2001 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%