scholarly journals Synthesis and Characterization of Poly(Ԑ-caprolactone-b-Styrene) Block Copolymer by Ring-Opening Polymerization and Reversible Addition-Fragmentation Chain Transfer Polymerization

Author(s):  
Bedrettin SAVAŞ ◽  
Temel ÖZTÜRK
2015 ◽  
Vol 6 (2) ◽  
pp. 256-269 ◽  
Author(s):  
Kun Wei ◽  
Lei Wang ◽  
Lei Li ◽  
Sixun Zheng

A bead-like PNIPAAm copolymer with double-decker silsesquioxane (DDSQ) in the main chain was synthesized via a reversible addition–fragmentation chain transfer polymerization (RAFT) approach.


2012 ◽  
Vol 487 ◽  
pp. 663-667
Author(s):  
Yu Long Shuai ◽  
Mi Zhou ◽  
Xin Qian

The block copolymer poly (ε-caprolactone)-b-poly (N-isopropyl acrylamide) (PCL-b-PNIPAM) is synthesized via the combination of ring-opening polymerization (ROP) and reversible addition-fragmentation chain transfer (RAFT). PCL-b-PNIPAM can self-assemble into the micelles taking PCL as the cores and PNIPAM as the shells. Add α-CD into the micelles, because the inclusion complexation of α-CD to PCL chains and phenols is stronger than that to PCL, to regulate the hydrophilic and hydrophobic features of PCL chain. So PCL-b-PNIPAM block copolymers have potential application in drug delivery and gene transfection.


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