Single electron transfer–degenerative chain transfer living radical polymerization of N‐butyl acrylate catalyzed by Na 2 S 2 O 4  in water media | Zendy

Coelho Jorge F. J. | Zendy; Silva Ana M. F. P. | Zendy; Popov Anatoliy V. | Zendy; Percec Virgil | Zendy; Abreu Mariana V. | Zendy; Gonçalves Pedro M. O. F | Zendy; Gil M. H. | Zendy

Open Access

Single electron transfer–degenerative chain transfer living radical polymerization of N‐butyl acrylate catalyzed by Na 2 S 2 O 4 in water media

Author(s) -

Coelho Jorge F. J.,

Silva Ana M. F. P.,

Popov Anatoliy V.,

Percec Virgil,

Abreu Mariana V.,

Gonçalves Pedro M. O. F,

Gil M. H.

Publication year - 2006

Publication title -

journal of polymer science part a: polymer chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.768

H-Index - 152

eISSN - 1099-0518

pISSN - 0887-624X

DOI - 10.1002/pola.21389

Subject(s) - polymerization , polymer chemistry , catalytic chain transfer , chemistry , copolymer , chain transfer , radical polymerization , acrylate , butyl acrylate , living free radical polymerization , living polymerization , reversible addition−fragmentation chain transfer polymerization , monomer , molar mass distribution , polymer , organic chemistry

Living radical polymerization of n ‐butyl acrylate was achieved by single electron transfer/degenerative‐chain transfer mediated living radical polymerization in water catalyzed by sodium dithionate. The plots of number–average molecular weight versus conversion and ln[ M ] 0 /[ M ] versus time are linear, indicating a controlled polymerization. This methodology leads to the preparation of α,ω‐di(iodo) poly (butyl acrylate) (α,ω‐di(iodo)PBA) macroinitiators. The influence of polymerization degree ([monomer]/[initiator]), amount of catalyst, concentration of suspending agents and temperature were studied. The molecular weight distributions were determined using a combination of three detectors (TriSEC): right‐angle light scattering (RALLS), a differential viscometer (DV), and refractive index (RI). The methodology studied in this work represents a possible route to prepare well‐tailored macromolecules made of butyl acrylate in an environmental friendly reaction medium. Moreover, such materials can be subsequently functionalized leading to the formation of different block copolymers of composition ABA. © 2006 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 44: 2809–2825, 2006

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