Synthesis of Polystyrene‐ block ‐poly(butyl acrylate) Copolymers Using Nitroxide‐Mediated Living Radical Polymerization in Miniemulsion | Zendy

Tortosa Karine | Zendy; Smith JodiAnne | Zendy; Cunningham Michael F. | Zendy

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Synthesis of Polystyrene‐ block ‐poly(butyl acrylate) Copolymers Using Nitroxide‐Mediated Living Radical Polymerization in Miniemulsion

Author(s) -

Tortosa Karine,

Smith JodiAnne,

Cunningham Michael F.

Publication year - 2001

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/1521-3927(20010801)22:12<957::aid-marc957>3.0.co;2-z

Subject(s) - miniemulsion , copolymer , nitroxide mediated radical polymerization , polymer chemistry , polystyrene , radical polymerization , materials science , acrylate , polymerization , butyl acrylate , living free radical polymerization , polymer science , polymer , composite material

Living free‐radical butyl acrylate polymerization in miniemulsion was initiated by polystyrene bearing a nitroxyl end group to yield polystyrene‐ block ‐poly(butyl acrylate) block copolymers. Polystyrene macroinitiator was obtained using different initiating systems (potassium persulfate or benzoyl peroxide) in the presence of 2,2,6,6‐tetramethylpiperidine‐ N ‐oxyl (TEMPO) or the more water‐soluble 4‐hydroxy‐2,2,6,6‐tetramethylpiperidin‐ N ‐oxyl (OH‐TEMPO). The nitroxide water‐solubility has an important influence in determining molecular weight distribution and controlling the growth of the second block.

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