[1]种国双,路建美,陶永新.末端含1,3,4 -噻二唑聚苯乙烯的AT RP 合成及其荧光性能研究[J].常州大学学报(自然科学版),2007,(04):1-4.
　CHONG Guo -shuang,LU Jian -mei,TAO Yong -xin.Study of Synthesis and Fluorescent Properties of Polystyrene Containing 1,3,4 -thiadiazole End Group by Atom Transfer Radical Polymerization[J].Journal of Changzhou University(Natural Science Edition),2007,(04):1-4.
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末端含1,3,4 -噻二唑聚苯乙烯的AT RP 合成及其荧光性能研究()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2007年04期
页码:
1-4
栏目:
出版日期:
2007-12-25

文章信息/Info

Title:
Study of Synthesis and Fluorescent Properties of Polystyrene Containing 1,3,4 -thiadiazole End Group by Atom Transfer Radical Polymerization
作者:
种国双1 ;  路建美2 ;  陶永新1
1.江苏工业学院材料科学与工程学院, 江苏 常州 213164 ;2.苏州大学化学与化工学院, 江苏苏州215006
Author(s):
CHONG Guo -shuang1 ;  LU Jian -mei2 ;  TAO Yong -xin1
(1 .School of Materials Science and Engineering , Jiangsu Poly technic University , Chang zhou 213164 , China ;2 .College of Chemist ry and Chemical Eng ineering , Suzhou U niversi ty , Suzhou 215006 , China
关键词:
原子转移自由基聚合; 1; 3 ; 4 -噻二唑; 苯乙烯; 荧光性能
Keywords:
A TRP ; 1; 3; 4 -thiadiazole ; St ; fluorescent prope rty
分类号:
TQ 316.32
文献标志码:
A
摘要:
合成了化合物2 -苯基-5 - (4 -溴甲苯基) -1 , 3 , 4 -噻二唑(PBrMP TDA), 并以其作为引发剂、PMDE TA/ CuBr 为催化剂、环己酮为溶剂, 实现了苯乙烯的原子转移自由基聚合(AT RP)。一级动力学曲线证明该聚合反应符合“ 活性” / 可 控自由基聚合, 同时讨论了配体用量、温度和引发剂浓度对聚合速率的影响, 发现在100 ℃下n (S t)/ n (PBrMPTDA)/ n (CuBr)/ n (PMDE TA) =200/ 1/ 1/ 1 能较有效控制苯乙烯的原子转移自由基聚合, 所得聚合物相对分子质量分布(mw/ mn) 较窄(1.22 ～ 1.50)。对聚苯乙烯的荧光光谱研究发现, 端基功能化的聚苯乙烯在390 nm 处有很强的荧光。
Abstract:
2 -pheny l -5 -(4 -bromo -methy l -phenyl) -1,3,4 -thiadiazole was synthe sized and functionalized poly styrene (PS)w as prepared through atom transfe r radical polymerizatio n (A TRP), w ith 2 -pheny l-5 - (4 -bromo -methy l -pheny l) -1 , 3 , 4 -thiadiazole as init iato r , CuBr/PMDETA as cataly st , and cyclohexano ne as solvent .The mechanism of “live” /contro l radical polymerization w as pro ved by fi rst -order kinetic plots .The effects of the amount of ligand , temperature and the concent ration of initiator on the ratio of the polymerization were also discussed .The polymerization can be well controlled with the condition of n (St)/n (PBrMPTDA)/n (CuBr)/n (PMDETA) =200/1/1/1 at 100 ℃ and relatively narrow poly dispersity (1.22 ～ 1.50).The end -functionalized PS exhibi ted st rong f luorescent emission at 390 nm .

参考文献/References:

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金资助(20571054 ) 作者简介:种国双(1981 -), 男, 江苏泗洪人, 硕士生;联系人:路建美。
更新日期/Last Update: 2007-12-25