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Synthesis and microphase separation of polystyrene-b-polylactide block copolymers aimed at preparation of ordered nanoparticle/block copolymer hybrid materials
其他题名合成聚苯乙烯/聚乳酸二嵌段共聚物及其微相分离研究
Hou XD(侯小东); Li QB(李巧波); Cao AM(曹阿民)
2014
发表期刊Polym. Int.
卷号63期号:7页码:1159-1167
摘要A new nanoparticle/block copolymer (NP/BCP) hybrid material combining the unique properties of BCP poly(styrene)-b-poly(D-lactide) (PS-b-PDLA) and inorganic NP quantum dots CdSe was developed. A systematic study on the microphase separation of a series of PS-b-PDLAs by small-angle X-ray scattering showed that the degree of order of the separated microdomains depended on the initial state of the BCP and the measurement temperature and can be improved through isothermal crystallization of PDLA, thermal annealing and shear field etc. Incorporating a small amount of NPs into the BCP matrix can improve the mobility of the polymer chains and thus promote self-assembly of the BCP, which leads to hierarchically ordered structures. Excess NPs, however, cannot be completely incorporated into the PDLA domains, resulting in the phase transformation of the BCP, destruction of the ordered structure and even macroscopic phase separation due to the aggregation of NPs. An important observation is that stereocomplexation between PDLA and poly(L-lactide) could provide a driving force to promote microphase separation of the BCP. The strategy presented in the current work has potential applications for developing highly ordered NP/BCP hybrid materials. (C) 2014 Society of Chemical Industry
学科领域高分子化学
DOI10.1002/pi.4746
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收录类别SCI
语种英语
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/38894
专题高分子材料研究室
通讯作者Hou XD(侯小东); Cao AM(曹阿民)
作者单位中科院上海有机化学研究所
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Hou XD,Li QB,Cao AM. Synthesis and microphase separation of polystyrene-b-polylactide block copolymers aimed at preparation of ordered nanoparticle/block copolymer hybrid materials[J]. Polym. Int.,2014,63(7):1159-1167.
APA 侯小东,李巧波,&曹阿民.(2014).Synthesis and microphase separation of polystyrene-b-polylactide block copolymers aimed at preparation of ordered nanoparticle/block copolymer hybrid materials.Polym. Int.,63(7),1159-1167.
MLA 侯小东,et al."Synthesis and microphase separation of polystyrene-b-polylactide block copolymers aimed at preparation of ordered nanoparticle/block copolymer hybrid materials".Polym. Int. 63.7(2014):1159-1167.
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