使用新型WCl6-n-BuPhSn催化体系聚合苯乙炔,获得了高产率和高分子量的聚苯乙炔.研究了不同聚合溶剂对聚合物结构及分子量影响,使用UV、IR、NMR、GPC等分别对聚合物结构进行表征.采用不同波长的激发光对聚合物荧光性能进行详细研究,结果表明:在低于290nm和高于400nm激发光波长,聚合物几乎不呈现荧光性能.当聚合物在350nm被激发时呈现较强发光量子效率.对聚合物溶液荧光性能的研究表明:当溶液浓度低于0.1g/L时,聚苯乙炔发光强度与溶液浓度成正比,在溶液浓度高于0.1g/L,例如0.5g/L时呈现出浓度自猝灭效应.同时,从荧光性能研究显示这种催化剂获得的聚合物具有较差的规整性.
参考文献
[1] | Chauser M et al.[J].Chemical Reviews,1976,45:348. |
[2] | Ito H.[J].Journal of Polymer Science Part A:Polymer Chemistry,1974(12):11-17. |
[3] | Shirakawa H.[J].Journal of the Chemical Society,Chemical Communications,1977:578-579. |
[4] | Ciardelli S et al.[J].Macromolecules,1974,7:179-184. |
[5] | Masuda T et al.[J].Macromolecules,1974,7:728-732. |
[6] | Wengner G .[J].Angewandte Chemie International Edition,1981,20:361-364. |
[7] | Masuda T et al.[J].Macromolecules,1984,17:126-129. |
[8] | Cotton F et al.[J].Macromolecules,1998,14:233-237. |
[9] | Prasad P N.Introduction to Nonlinear Optical Effects in Molecules and Polymers[M].Wiley,New York,1990 |
[10] | Tang BZ.;Peng H.;Yu NT.;Su KC.;Leung SM. .DIRECT FULLERENATION OF POLYCARBONATE VIA SIMPLE POLYMER REACTIONS[J].Macromolecules,1997(10):2848-2852. |
[11] | Tang BZ.;Wan XH.;Feng XD.;Kong XX. .SYNTHESIS AND PROPERTIES OF STEREOREGULAR POLYACETYLENES CONTAINING CYANO GROUPS, POLY[[4-[[[N-[(4'-CYANO-4-BIPHENYLYL)OXY]ALKYL]OXY]CARBONYL] PHENYL]ACETYLENES][J].Macromolecules,1997(19):5620-5628. |
[12] | Masuda T;Higashimura T .[J].Accounts of Chemical Research,1984,17:51-56. |
[13] | Lanchlan L et al.[J].Physical Review B,1981,24:3701-3706. |
[14] | Tada K.[A].,1997:8-1-8-4. |
[15] | Tang B Z;Leung S M;Peng H et al.[J].Macromolecules,1996,34:631-635. |
[16] | Xu H Y;Tang B Z .press[J].Journal of Macromolecular Science Part A Pure and Applied Chemistry,1999,36(05) |
[17] | Tang B Z;Xu H Y .[J].Macromolecules,1999,32:2369-376. |
[18] | Xu H Y;Tang B Z et al.press[J].Chinese Journal of Polymer Science,1999,17(06) |
[19] | Xu H Y et al.[J].Polymeric Materials Science and Engineering,1999,80:215-216. |
[20] | Xu H Y.[J].Polymer |
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