通过调聚法合成了不同乙烯基含量的聚硅氧烷,利用红外光谱和凝胶渗透色谱对聚合物进行了表征.研究了光引发剂、固化氛围、乙烯基团含量对所制备聚硅氧烷紫外光固化行为的影响;并利用热失重分析仪对固化物的热解机理进行了探讨.实验表明在氮气气氛下,以IHT-PI-185为光引发剂,随着聚合物中乙烯基团含量增加,固化速率加快,且固化后聚合物的耐热性能提高.
参考文献
| [1] | 周宁琳.有机硅聚合物导论[M].北京:科学出版社,2002:147-149. |
| [2] | WIDEMAN T;CORTEZ E;REMSEN E E et al.Reaction of monofunctional boranes with hydridopolysilazane:synthesis,characterization and ceramic conversion reactions of new prozessible precursors to SiNCB ceramic materials[J].Chemistry of Materials,1997,9:2218-2227. |
| [3] | 胡海峰,陈朝辉,冯春祥,张长瑞,宋永才.聚硅氮烷在氨气中的裂解研究[J].高分子学报,1998(01):104-108. |
| [4] | Patel M.;Morrell PR.;Skinner AR. .Physical & thermal properties of model polysiloxane rubbers: Impact of crosslink density and tin concentration[J].Macromolecular symposia,2002(0):109-123. |
| [5] | Roth LE.;Valles EM.;Villar MA. .Bulk hydrosilylation reaction of poly(dimethylsiloxane) chains catalyzed by a platinum salt: Effect of the initial concentration of reactive groups on the final extent of reaction[J].Journal of Polymer Science, Part A. Polymer Chemistry,2003(8):1099-1106. |
| [6] | KUMAR R.N.;WOO C.K.;ABUSAMAH A. .UV Curing of Surface Coating System Consisting of Cycloaliphatic Diepoxide-ENR-Glycidyl Methacrylate by Cationic Photoinitiators—Characterization of the Cured Film by FTIR Spectroscopy[J].Journal of Applied Polymer Science,1999(8):1569-1577. |
| [7] | 寇会光,施文芳.超支化聚（胺-酯）的合成及其光固化性能研究[J].高分子学报,2000(05):554-558. |
| [8] | 张兆斌;苏宗贤;曹瑾.丙烯酸及丙烯酸酯光固化反应过程的研究[J].华东理工大学学报（自然科学版）,1994(10):683-687. |
| [9] | Iojoiu C.;Harabagiu V.;Pinteala M.;Simionescu BC.;Abadie MJM. .Synthesis and photocrosslinking of benzyl acrylate substituted polydimethylsiloxanes[J].European Polymer Journal,2000(10):2115-2123. |
| [10] | Jovanovic JD.;Dvornic PR.;Popovic IG.;Govedarica MN. .The thermogravimetric analysis of some polysiloxanes[J].Polymer Degradation and Stability,1998(1):87-93. |
| [11] | 付善菊,韩哲文,吴平平.聚硅氧烷热稳定性研究进展[J].高分子通报,2001(01):40-47. |
| [12] | Andre S.;Ratsimihety A.;Rousseau A.;Boutevin B.;Guida-Pietrasanta F. .Synthesis, characterization and thermal properties of SiH and SiOH terminated hybrid polysiloxanes[J].Macromolecular chemistry and physics,2000(17):2309-2315. |
| [13] | DJAMILA B H;LATOURNERIE J;DEMPSEY P .Reaction pathways during the thermal conversion of polysiloxane precursors into oxycarbide ceramics[J].J Europ Caram Sci,2004,5(01):1-7. |
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%