Free-standing films of semifluorinated block copolymer brushes from layer-by-layer polyelectrolyte macroinitiators

Nicel C. Estillore; Rigoberto C. Advincula

doi:10.1002/macp.201100066

Free-standing films of semifluorinated block copolymer brushes from layer-by-layer polyelectrolyte macroinitiators

Nicel C. Estillore, Rigoberto C. Advincula^*

^*Corresponding author for this work

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

18 Citations (Scopus)

Abstract

Free-standing semifluorinated polymer brushes from layer-by-layer (LbL) macroinitiators are demonstrated. LbL deposition of macroinitiators is followed by surface-initiated atom transfer radical polymerization (SI-ATRP). Increasing the number of LbL macroinitiator layers increases grafting density and thickness. The SI-ATRP is conducted by first polymerizing a block of polystyrene followed by the semifluorinated poly-2,2,2-trifluoroethyl methacrylate block. Solvent selective response is investigated by AFM imaging and water contact angle measurements. Specifically, the solvent response of the semifluorinated block copolymer brushes exhibits alternate selectivity to cyclohexane and trifluorotoluene. Solvent responsive free-standing films are also demonstrated.

Original language	English
Pages (from-to)	1552-1566
Number of pages	15
Journal	Macromolecular Chemistry and Physics
Volume	212
Issue number	15
DOIs	https://doi.org/10.1002/macp.201100066
Publication status	Published - 2011 Aug 2
Externally published	Yes

Keywords

ATRP
ellipsometry
layer-by-layer
macroinitiator
polymer brushes

ASJC Scopus subject areas

Materials Chemistry
Polymers and Plastics
Organic Chemistry
Physical and Theoretical Chemistry
Condensed Matter Physics

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10.1002/macp.201100066

Cite this

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title = "Free-standing films of semifluorinated block copolymer brushes from layer-by-layer polyelectrolyte macroinitiators",

abstract = "Free-standing semifluorinated polymer brushes from layer-by-layer (LbL) macroinitiators are demonstrated. LbL deposition of macroinitiators is followed by surface-initiated atom transfer radical polymerization (SI-ATRP). Increasing the number of LbL macroinitiator layers increases grafting density and thickness. The SI-ATRP is conducted by first polymerizing a block of polystyrene followed by the semifluorinated poly-2,2,2-trifluoroethyl methacrylate block. Solvent selective response is investigated by AFM imaging and water contact angle measurements. Specifically, the solvent response of the semifluorinated block copolymer brushes exhibits alternate selectivity to cyclohexane and trifluorotoluene. Solvent responsive free-standing films are also demonstrated.",

keywords = "ATRP, ellipsometry, layer-by-layer, macroinitiator, polymer brushes",

author = "Estillore, {Nicel C.} and Advincula, {Rigoberto C.}",

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doi = "10.1002/macp.201100066",

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AU - Estillore, Nicel C.

AU - Advincula, Rigoberto C.

PY - 2011/8/2

Y1 - 2011/8/2

N2 - Free-standing semifluorinated polymer brushes from layer-by-layer (LbL) macroinitiators are demonstrated. LbL deposition of macroinitiators is followed by surface-initiated atom transfer radical polymerization (SI-ATRP). Increasing the number of LbL macroinitiator layers increases grafting density and thickness. The SI-ATRP is conducted by first polymerizing a block of polystyrene followed by the semifluorinated poly-2,2,2-trifluoroethyl methacrylate block. Solvent selective response is investigated by AFM imaging and water contact angle measurements. Specifically, the solvent response of the semifluorinated block copolymer brushes exhibits alternate selectivity to cyclohexane and trifluorotoluene. Solvent responsive free-standing films are also demonstrated.

AB - Free-standing semifluorinated polymer brushes from layer-by-layer (LbL) macroinitiators are demonstrated. LbL deposition of macroinitiators is followed by surface-initiated atom transfer radical polymerization (SI-ATRP). Increasing the number of LbL macroinitiator layers increases grafting density and thickness. The SI-ATRP is conducted by first polymerizing a block of polystyrene followed by the semifluorinated poly-2,2,2-trifluoroethyl methacrylate block. Solvent selective response is investigated by AFM imaging and water contact angle measurements. Specifically, the solvent response of the semifluorinated block copolymer brushes exhibits alternate selectivity to cyclohexane and trifluorotoluene. Solvent responsive free-standing films are also demonstrated.

KW - ATRP

KW - ellipsometry

KW - layer-by-layer

KW - macroinitiator

KW - polymer brushes

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Free-standing films of semifluorinated block copolymer brushes from layer-by-layer polyelectrolyte macroinitiators

Abstract

Keywords

ASJC Scopus subject areas

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