Block copolymers by transformation of living anionic polymerization into controlled/"living" atom transfer radical polymerization

Metin H. Acar; Krzysztof Matyjaszewski

doi:10.1002/(sici)1521-3935(19990501)200:5<1094::aid-macp1094>3.0.co;2-i

Block copolymers by transformation of living anionic polymerization into controlled/"living" atom transfer radical polymerization

Metin H. Acar
, Krzysztof Matyjaszewski^*

^*Corresponding author for this work

Department of Chemistry

Carnegie Mellon University

Research output: Contribution to journal › Article › peer-review

99 Citations (Scopus)

Abstract

A method for the transformation of living anionic polymerization (LAP) to controlled/"living" atom transfer radical polymerization (ATRP) is reported and utilized for the preparation of block copolymers. The macroinitiators, polystyrene and polystyrene-block-pplyisoprene containing the 2-bromoisobutyryl end group (PS-Br, M̄_n = 12200, M̄_w/M̄_n = 1.04; PS-b-PIP-Br, M̄_n = 16800, M̄_w/M̄_n = 1.03), were prepared by LAP of styrene and styrene/isoprene, correspondingly, and suitable termination agents. These compounds were used as macroinitiators for controlled/"living" ATRP to prepare block copolymers with methyl acrylate (PS-6-PMA), butyl acrylate (PS-b-PBA), methyl methacrylate (PS-b-PMMA), a mixture of styrene and acrylonitrile (PS-b-P(S-r-AN)) and also chain extension with styrene (PS-b-PS and PS-b-PIP-b-PS). The block copolymers were characterized by means of size exclusion chromatography, ¹H NMR and FT-IR spectroscopy.

Original language	English
Pages (from-to)	1094-1100
Number of pages	7
Journal	Macromolecular Chemistry and Physics
Volume	200
Issue number	5
DOIs	https://doi.org/10.1002/(sici)1521-3935(19990501)200:5<1094::aid-macp1094>3.0.co;2-i
Publication status	Published - May 1999

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10.1002/(sici)1521-3935(19990501)200:5<1094::aid-macp1094>3.0.co;2-i

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title = "Block copolymers by transformation of living anionic polymerization into controlled/{"}living{"} atom transfer radical polymerization",

abstract = "A method for the transformation of living anionic polymerization (LAP) to controlled/{"}living{"} atom transfer radical polymerization (ATRP) is reported and utilized for the preparation of block copolymers. The macroinitiators, polystyrene and polystyrene-block-pplyisoprene containing the 2-bromoisobutyryl end group (PS-Br, {\=M}n = 12200, {\=M}w/{\=M}n = 1.04; PS-b-PIP-Br, {\=M}n = 16800, {\=M}w/{\=M}n = 1.03), were prepared by LAP of styrene and styrene/isoprene, correspondingly, and suitable termination agents. These compounds were used as macroinitiators for controlled/{"}living{"} ATRP to prepare block copolymers with methyl acrylate (PS-6-PMA), butyl acrylate (PS-b-PBA), methyl methacrylate (PS-b-PMMA), a mixture of styrene and acrylonitrile (PS-b-P(S-r-AN)) and also chain extension with styrene (PS-b-PS and PS-b-PIP-b-PS). The block copolymers were characterized by means of size exclusion chromatography, 1H NMR and FT-IR spectroscopy.",

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N2 - A method for the transformation of living anionic polymerization (LAP) to controlled/"living" atom transfer radical polymerization (ATRP) is reported and utilized for the preparation of block copolymers. The macroinitiators, polystyrene and polystyrene-block-pplyisoprene containing the 2-bromoisobutyryl end group (PS-Br, M̄n = 12200, M̄w/M̄n = 1.04; PS-b-PIP-Br, M̄n = 16800, M̄w/M̄n = 1.03), were prepared by LAP of styrene and styrene/isoprene, correspondingly, and suitable termination agents. These compounds were used as macroinitiators for controlled/"living" ATRP to prepare block copolymers with methyl acrylate (PS-6-PMA), butyl acrylate (PS-b-PBA), methyl methacrylate (PS-b-PMMA), a mixture of styrene and acrylonitrile (PS-b-P(S-r-AN)) and also chain extension with styrene (PS-b-PS and PS-b-PIP-b-PS). The block copolymers were characterized by means of size exclusion chromatography, 1H NMR and FT-IR spectroscopy.

AB - A method for the transformation of living anionic polymerization (LAP) to controlled/"living" atom transfer radical polymerization (ATRP) is reported and utilized for the preparation of block copolymers. The macroinitiators, polystyrene and polystyrene-block-pplyisoprene containing the 2-bromoisobutyryl end group (PS-Br, M̄n = 12200, M̄w/M̄n = 1.04; PS-b-PIP-Br, M̄n = 16800, M̄w/M̄n = 1.03), were prepared by LAP of styrene and styrene/isoprene, correspondingly, and suitable termination agents. These compounds were used as macroinitiators for controlled/"living" ATRP to prepare block copolymers with methyl acrylate (PS-6-PMA), butyl acrylate (PS-b-PBA), methyl methacrylate (PS-b-PMMA), a mixture of styrene and acrylonitrile (PS-b-P(S-r-AN)) and also chain extension with styrene (PS-b-PS and PS-b-PIP-b-PS). The block copolymers were characterized by means of size exclusion chromatography, 1H NMR and FT-IR spectroscopy.

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U2 - 10.1002/(sici)1521-3935(19990501)200:5<1094::aid-macp1094>3.0.co;2-i

DO - 10.1002/(sici)1521-3935(19990501)200:5<1094::aid-macp1094>3.0.co;2-i

M3 - Article

AN - SCOPUS:0000717449

SN - 1022-1352

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EP - 1100

JO - Macromolecular Chemistry and Physics

JF - Macromolecular Chemistry and Physics

IS - 5

ER -

Block copolymers by transformation of living anionic polymerization into controlled/"living" atom transfer radical polymerization

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