Synthesis and characterization of model 3-miktoarm star copolymers of poly(dimethylsiloxane) and poly(2-vinylpyridine)

Panagiota G. Fragouli; Hermis Iatrou; Nikos Hadjichristidis; Takuro Sakurai; Akira Hirao

doi:10.1002/pola.21197

Synthesis and characterization of model 3-miktoarm star copolymers of poly(dimethylsiloxane) and poly(2-vinylpyridine)

Panagiota G. Fragouli, Hermis Iatrou, Nikos Hadjichristidis^*, Takuro Sakurai, Akira Hirao

^*Corresponding author for this work

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

30 Scopus citations

Abstract

3-Miktoarm star copolymers, 3μ-D₂V, with two poly(dimethylsiloxane) (PDMS) and one poly(2-vinylpyridine) (P2VP) arm, were synthesized by using anionic polymerization-high vacuum techniques and (chloromethylphenylethyl)methyl dichlorosilane, heterofunctional linking agent, with two SiCl groups and one CH₂Cl group. The synthetic strategy involves the selective reaction of the two - SiCl groups with PDMSOLi living chains, followed by reaction of the remaining chloromethyl group with P2VPLi. Combined molecular characterization results (size exclusion chromatography, membrane osmometry, and ¹H NMR spectroscopy) revealed a high degree of structural and compositional homogeneity.

Original language	English (US)
Pages (from-to)	614-619
Number of pages	6
Journal	Journal of Polymer Science, Part A: Polymer Chemistry
Volume	44
Issue number	1
DOIs	https://doi.org/10.1002/pola.21197
State	Published - Jan 1 2006
Externally published	Yes

Keywords

Anionic polymerization
Heterofunctional linking agent
Poly(2-vinylpyridine)
Polysiloxanes
Star polymers

ASJC Scopus subject areas

Polymers and Plastics
Organic Chemistry
Materials Chemistry

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title = "Synthesis and characterization of model 3-miktoarm star copolymers of poly(dimethylsiloxane) and poly(2-vinylpyridine)",

abstract = "3-Miktoarm star copolymers, 3μ-D2V, with two poly(dimethylsiloxane) (PDMS) and one poly(2-vinylpyridine) (P2VP) arm, were synthesized by using anionic polymerization-high vacuum techniques and (chloromethylphenylethyl)methyl dichlorosilane, heterofunctional linking agent, with two SiCl groups and one CH2Cl group. The synthetic strategy involves the selective reaction of the two - SiCl groups with PDMSOLi living chains, followed by reaction of the remaining chloromethyl group with P2VPLi. Combined molecular characterization results (size exclusion chromatography, membrane osmometry, and 1H NMR spectroscopy) revealed a high degree of structural and compositional homogeneity.",

keywords = "Anionic polymerization, Heterofunctional linking agent, Poly(2-vinylpyridine), Polysiloxanes, Star polymers",

author = "Fragouli, {Panagiota G.} and Hermis Iatrou and Nikos Hadjichristidis and Takuro Sakurai and Akira Hirao",

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doi = "10.1002/pola.21197",

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T1 - Synthesis and characterization of model 3-miktoarm star copolymers of poly(dimethylsiloxane) and poly(2-vinylpyridine)

AU - Fragouli, Panagiota G.

AU - Iatrou, Hermis

AU - Hadjichristidis, Nikos

AU - Sakurai, Takuro

AU - Hirao, Akira

PY - 2006/1/1

Y1 - 2006/1/1

N2 - 3-Miktoarm star copolymers, 3μ-D2V, with two poly(dimethylsiloxane) (PDMS) and one poly(2-vinylpyridine) (P2VP) arm, were synthesized by using anionic polymerization-high vacuum techniques and (chloromethylphenylethyl)methyl dichlorosilane, heterofunctional linking agent, with two SiCl groups and one CH2Cl group. The synthetic strategy involves the selective reaction of the two - SiCl groups with PDMSOLi living chains, followed by reaction of the remaining chloromethyl group with P2VPLi. Combined molecular characterization results (size exclusion chromatography, membrane osmometry, and 1H NMR spectroscopy) revealed a high degree of structural and compositional homogeneity.

AB - 3-Miktoarm star copolymers, 3μ-D2V, with two poly(dimethylsiloxane) (PDMS) and one poly(2-vinylpyridine) (P2VP) arm, were synthesized by using anionic polymerization-high vacuum techniques and (chloromethylphenylethyl)methyl dichlorosilane, heterofunctional linking agent, with two SiCl groups and one CH2Cl group. The synthetic strategy involves the selective reaction of the two - SiCl groups with PDMSOLi living chains, followed by reaction of the remaining chloromethyl group with P2VPLi. Combined molecular characterization results (size exclusion chromatography, membrane osmometry, and 1H NMR spectroscopy) revealed a high degree of structural and compositional homogeneity.

KW - Anionic polymerization

KW - Heterofunctional linking agent

KW - Poly(2-vinylpyridine)

KW - Polysiloxanes

KW - Star polymers

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JO - Journal of Polymer Science, Part A: Polymer Chemistry

JF - Journal of Polymer Science, Part A: Polymer Chemistry

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Synthesis and characterization of model 3-miktoarm star copolymers of poly(dimethylsiloxane) and poly(2-vinylpyridine)

Abstract

Keywords

ASJC Scopus subject areas

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