煤焦油来源单体合成高性能环烯烃共聚物

New bulky cyclic olefins are synthesized from the starting materials derived from coal tar. Ring-opening metathesis polymerization of these bulky cyclic monomers with smaller cyclic olefins will be studied by using Grubbs catalyst or lost cost Tungsten-containing C-N catalyst. The novel, high performance cyclic olefin copolymers thus can be easily obtained after the hydrogenation by Pd/C catalyst. The synthetic rout and polymeric technology will be optimized to obtain COCs with excellent transparency, high heat resistance and high toughness in high efficiency. The application of these COC materials in optical, electrical and medical packaging fields will be probed.

利用煤焦油来源的单体如环戊二烯和蒽等设计合成新型大位阻环烯烃单体.以Grubbs催化剂或钨催化剂引发新型大位阻环烯烃与低阻环烯烃单体的开环易位共聚反应，产物经催化氢化制备新型高性能环烯烃共聚物材料。同时基于新型大位阻环烯烃单体，通过催化聚合技术的优化，获得新型高性能环烯烃共聚物(COC)材料制备的成套技术，获得性能稳定的高透明、高耐热和高韧性的新型环烯烃共聚物材料，探索其在光学器件和医疗器械等领域的应用。

利用煤焦油来源的单体如降冰片烯、双环戊二烯和蒽等设计合成新型大位阻降冰片烯衍生物及一系列含咪唑的降冰片烯离子化衍生物，分别以钨催化剂或Grubbs催化剂引发这些新型单体的开环易位聚合和共聚合反应。大位阻降冰片烯单体通过与降冰片烯或双环戊二烯共聚后经氢化制备新型高性能环烯烃共聚物材料，保持了高透明、高耐热和高韧性。含咪唑基团的降冰片烯单体经开环异位聚合后得到具有不同物理性能的离聚体，该离聚体具有很好的自修复性能。实验证实，通简单的物理共混方法或将该极性离子型单体与大位阻降冰片烯单体共聚都可实现自修复性能与力学性能的提升。