利用硅氢加成反应和烯加成反应,以八氢基笼形倍半硅氧烷(T8H8)、二烯丙基双酚A(DABPA)和双马来酰亚胺(BMI)为单体合成了改性BMI树脂,采用FT-IR、DSC、TGA分别表征了树脂的结构、固化行为及热性能.研究结果表明,T8H8-DABPA-BMI固化树脂的玻璃化转变温度达到323℃,热分解温度(5%失重,T5d)为422、800℃热分解残重率为50.7%.
参考文献
| [1] | Baney R H;Itoh M;Sakakibara A et al.Silsesquioxanes[J].Chemical Reviews,1995,95:1 409-1 430. |
| [2] | Crivello JV;Malik R .Synthesis and photoinitiated cationic polymerization of monomers with the silsesquioxane core[J].Journal of Polymer Science, Part A. Polymer Chemistry,1997(3):407-425. |
| [3] | Huang F W;Rong Z X;Shen X N et al.Organic/inorganic hybrid bismaleimide resin with octa(aminophenyl)silsesqui-oxane[J].Polymer Engineering and Science,2008,48:1 022-1 028. |
| [4] | Zhang C X;Babonneau F;Bonhomme C et al.Highly porous polyhedral silsesquioxane polymers:synthesis and eharacterization[J].Journal of the American Chemical Society,1998,120:8 380-8 391. |
| [5] | Huang JC;Xiao Y;Mya KY;Liu XM;He CB;Dai J;Siow YP .Thermomechanical properties of polyimide-epoxy nanocomposites from cubic silsesquioxane epoxides[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2004(19):2858-2863. |
| [6] | Dare EO;Olatunji GA;Ogunniyi DS .Organic-inorganic hybrid material. I. Synthesis, characterization, and thermal property of a novel polyhedral cubic silsesquioxane[J].Journal of Applied Polymer Science,2004(2):907-910. |
| [7] | 杭孝东,周燕,沈学宁,黄发荣,杜磊.多乙烯基硅氧烷笼形倍半硅氧烷的合成及性能[J].宇航材料工艺,2008(03):54-57. |
| [8] | Kobayashi T.;Tanaka M.;Hayashi T. .Synthesis of highly heat-resistant soluble polymers through hydrosilylation polymerization between octakis(hydridosilsesquioxane) and diynes[J].Chemistry Letters,1998(8):763-764. |
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