Synthesis of dendronized poly(methacrylates) and their diblock copolymers by atom transfer radical polymerization
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Abstract
Abstract Two kinds of dendronized polymers [poly((4‐3,4,5)‐12G1‐CH 2 MA) and poly(G2‐CH 2 MA)] were synthesized successfully by atom transfer radical polymerization (ATRP). The polymerization carried out with CuBr/ N , N , N ′, N ′, N ′‐pentamethyldiethylenetriamine (PMDETA) as catalyst/ligand system led to the polymers with narrow polydispersity (1.14 < M w / M n < 1.35). The dendronized polymers obtained with retained reactivity at chain end were further utilized as macroinitiators to the chain extensive reaction of a second monomer (St) by ATRP, which resulted in the formation of a new type of linear–dendritic diblock copolymers. In addition, the polymers and their diblock copolymers were characterized by GPC and DSC. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 91: 2733–2737, 2004
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