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| 1 | 嵌段共聚物聚苯胺-聚乙二醇-聚苯胺水溶液中自组装的介观模拟显示文摘The mesoscopic phase of block copolymers PAn-PEG-PAn in aqueous solution was investigated by dissipative particle dynamics(DPD)simulation.The effects of the molar fraction of PAn segment in the copolymers and its concentration on the copolymers’ self-assembling were discussed.The distribution of PEG and PAn segments on the surface of the spherical micelle of the copolymer was interesting but was difficult to observe by experiments.The authors focused on investigating the characteristics of the spherical micelle of the copolymers in a low concentration.There existed two novel core-shell spherical micelles separately with increasing molar fraction of the PAn segment.One was that the PAn segment made up the shell and the PEG segments the core;the other was that the PEG segments made up the shell and the PAn segments the core.A greater part of water was aggregated to form cylindrical and spherical micelles,while the remaining was distributed in the block copolymers symmetrically when the mass fraction of the copolymers was more than 66.7%.DPD simulation could be considered as an assistant for the experimental research and could provide useful information which is difficult to obtain by experiments. | 张新波 刘庆林 | 2007 | 化工学报2007，58，11： | 3 |
| 2 | 含8-羟基喹啉侧基二嵌段共聚物的合成及其在选择性溶剂中的自组装显示文摘以8-羟基喹啉(Q)和甲基丙烯酸羟乙酯为原料,经一系列反应得到含8-羟基喹啉配体结构的甲基丙烯酸甲酯类单体(HQMA),再利用可逆加成-断裂链转移(RAFT)法实现该单体的活性可控聚合,然后以此聚合产物为大分子RAFT试剂,与苯乙烯实现活性可控聚合得二嵌段共聚物,并用1 H NMR、FTIR和GPC对其进行了表征,确定了其组成和结构;研究了所得共聚物在四氢呋喃(THF)(作共溶剂)和甲苯(tol.)(作选择性溶剂)混合溶剂中的自组装行为,结果表明,当THF和甲苯的体积比V(THF)∶V(tol.)为5∶5和4∶6时,形成的胶束是球形的,当V(THF)∶V(tol.)=2∶8时,形成的胶束是蠕虫状的。 | 李善吉 李红山 郭建维 | 2012 | 化工学报2012，63，6： | 3 |
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