ABCD 4-miktoarm star quarterpolymers using click [3+2] reaction strategy

被引:73
作者
Altintas, Ozcan [1 ]
Hizal, Gurkan [1 ]
Tunca, Umit [1 ]
机构
[1] Istanbul Tech Univ, Dept Chem, TR-34469 Istanbul, Turkey
关键词
atom transfer radical polymerization (ATRP); miktoarm star polymers; nitroxide-mediated radical polymerization; poly(epsilon-caprolactone); poly(ethylene glycol); poly(methyl methacrylate); polystyrene; poly(tert-butyl acrylate); ring-opening polymerization; 3+2] click reaction;
D O I
10.1002/pola.22463
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Two samples of ABCD 4-miktoarm star quarterpolymer with A = polystyrene (PS), B = poly(epsilon-caprolactone) (PCL), C = poly(methyl methacrylate) (PMMA) or poly(tert-butyl acrylate) (PtBA), and D = poly(ethylene glycol) (PEG) were prepared using click reaction strategy (Cu(I)-catalyzed Huisgen [3 + 2] reaction). Thus, first, predefined block copolymers of different polymerization routes, PS-b-PCL with azide and PMMA-b-PEG and PtBA-b-PEG copolymers with alkyne functionality, were synthesized and then these blocks were combined together in the presence of Cu(I)/N,N,N',N '',N ''-pentamethyldiethylenetriamine as a catalyst in DMF at room temperature to give the target 4-miktoarm star quarterpolymers. The obtained miktoarm star quarter polymers were characterized by GPC, NMR, and DSC measurements. (C) 2008 Wiley Periodicals, Inc.
引用
收藏
页码:1218 / 1228
页数:11
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