Polyoctadecyl methacrylate brushes via surface-initiated atom transfer radical polymerization

Heemin Yoo; Bo Yun Kim; Lawrence J. Hill; Jared J. Griebel; Woo Jin Chung; Jeffrey Pyun

doi:10.1002/aoc.2998

Polyoctadecyl methacrylate brushes via surface-initiated atom transfer radical polymerization

Heemin Yoo, Bo Yun Kim, Lawrence J. Hill, Jared J. Griebel, Woo Jin Chung, Jeffrey Pyun

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

5 Scopus citations

Abstract

The synthesis of poly(octadecyl methacrylate) brushes on planar Si substrates using surface-initiated atom transfer radical polymerization (SI-ATRP) is reported. SI-ATRP of octadecyl methacrylate from a silane initiator-modified Si substrate yielded well-defined homopolymer brushes of varying molar mass (5000-38 000 g mol^-1) and film thickness from around 2 to 20 nm. Correlation of both free polymer molar mass and brush thicknesses confirmed controlled surface-initiated ATRP from these modified surfaces. By optimization of brush molar mass, film thickness and thin-film processing, we observed side chain crystallization of tethered poly(octadecyl methacrylate) chains, resulting in the formation of lamellar morphologies with high-aspect-ratio nanofibers.

Original language	English (US)
Pages (from-to)	378-682
Number of pages	305
Journal	Applied Organometallic Chemistry
Volume	27
Issue number	11
DOIs	https://doi.org/10.1002/aoc.2998
State	Published - Nov 2013

Keywords

ATRP
polymer brushes
polyoctadecyl methacrylate
surface-initiated polymerizations

ASJC Scopus subject areas

General Chemistry
Inorganic Chemistry

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10.1002/aoc.2998

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title = "Polyoctadecyl methacrylate brushes via surface-initiated atom transfer radical polymerization",

abstract = "The synthesis of poly(octadecyl methacrylate) brushes on planar Si substrates using surface-initiated atom transfer radical polymerization (SI-ATRP) is reported. SI-ATRP of octadecyl methacrylate from a silane initiator-modified Si substrate yielded well-defined homopolymer brushes of varying molar mass (5000-38 000 g mol-1) and film thickness from around 2 to 20 nm. Correlation of both free polymer molar mass and brush thicknesses confirmed controlled surface-initiated ATRP from these modified surfaces. By optimization of brush molar mass, film thickness and thin-film processing, we observed side chain crystallization of tethered poly(octadecyl methacrylate) chains, resulting in the formation of lamellar morphologies with high-aspect-ratio nanofibers.",

keywords = "ATRP, polymer brushes, polyoctadecyl methacrylate, surface-initiated polymerizations",

author = "Heemin Yoo and Kim, {Bo Yun} and Hill, {Lawrence J.} and Griebel, {Jared J.} and Chung, {Woo Jin} and Jeffrey Pyun",

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TY - JOUR

T1 - Polyoctadecyl methacrylate brushes via surface-initiated atom transfer radical polymerization

AU - Yoo, Heemin

AU - Kim, Bo Yun

AU - Hill, Lawrence J.

AU - Griebel, Jared J.

AU - Chung, Woo Jin

AU - Pyun, Jeffrey

PY - 2013/11

Y1 - 2013/11

N2 - The synthesis of poly(octadecyl methacrylate) brushes on planar Si substrates using surface-initiated atom transfer radical polymerization (SI-ATRP) is reported. SI-ATRP of octadecyl methacrylate from a silane initiator-modified Si substrate yielded well-defined homopolymer brushes of varying molar mass (5000-38 000 g mol-1) and film thickness from around 2 to 20 nm. Correlation of both free polymer molar mass and brush thicknesses confirmed controlled surface-initiated ATRP from these modified surfaces. By optimization of brush molar mass, film thickness and thin-film processing, we observed side chain crystallization of tethered poly(octadecyl methacrylate) chains, resulting in the formation of lamellar morphologies with high-aspect-ratio nanofibers.

AB - The synthesis of poly(octadecyl methacrylate) brushes on planar Si substrates using surface-initiated atom transfer radical polymerization (SI-ATRP) is reported. SI-ATRP of octadecyl methacrylate from a silane initiator-modified Si substrate yielded well-defined homopolymer brushes of varying molar mass (5000-38 000 g mol-1) and film thickness from around 2 to 20 nm. Correlation of both free polymer molar mass and brush thicknesses confirmed controlled surface-initiated ATRP from these modified surfaces. By optimization of brush molar mass, film thickness and thin-film processing, we observed side chain crystallization of tethered poly(octadecyl methacrylate) chains, resulting in the formation of lamellar morphologies with high-aspect-ratio nanofibers.

KW - ATRP

KW - polymer brushes

KW - polyoctadecyl methacrylate

KW - surface-initiated polymerizations

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JO - Applied Organometallic Chemistry

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Polyoctadecyl methacrylate brushes via surface-initiated atom transfer radical polymerization

Abstract

Keywords

ASJC Scopus subject areas

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