Synthesis and Characterization of Linear Tetrablock Quarterpolymers of Styrene, Isoprene, Dimethylsiloxane, and 2-Vinylpyridine

Panagiota G. Fragouli; Hermis Iatrou; Nikos Hadjichristidis

doi:10.1002/pola.10856

Synthesis and Characterization of Linear Tetrablock Quarterpolymers of Styrene, Isoprene, Dimethylsiloxane, and 2-Vinylpyridine

Panagiota G. Fragouli, Hermis Iatrou, Nikos Hadjichristidis^*

^*Corresponding author for this work

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

29 Scopus citations

Abstract

A series of five tetrablock quarterpolymers of styrene, isoprene, dimethylsiloxane, and 2-vinylpyridine with molecular weights varying from 117 × 10³ to 177 × 10³ and having different compositions were synthesized. The synthesis was based on recent advances in the controlled high-vacuum anionic polymerization of hexamethylcyclotrisiloxane and on the selective linking of poly(dimethylsiloxane)lithium with the chlorosilane group of the heterofunctional linking agent chloromethylphenylethylene dimethylchlorosilane. Combined characterization results by size exclusion chromatography, membrane osmometry, and NMR spectroscopy suggested that the synthesized multiblock multicomponent polymers had a high degree of structural and compositional homogeneity.

Original language	English (US)
Pages (from-to)	514-519
Number of pages	6
Journal	Journal of Polymer Science, Part A: Polymer Chemistry
Volume	42
Issue number	3
DOIs	https://doi.org/10.1002/pola.10856
State	Published - Feb 1 2004
Externally published	Yes

Keywords

Anionic polymerization
Heterofunctional linking agent
Multiblock multicomponent polymers
Tetrablock quarterpolymers
Triblock terpolymers

ASJC Scopus subject areas

Polymers and Plastics
Organic Chemistry
Materials Chemistry

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10.1002/pola.10856

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title = "Synthesis and Characterization of Linear Tetrablock Quarterpolymers of Styrene, Isoprene, Dimethylsiloxane, and 2-Vinylpyridine",

abstract = "A series of five tetrablock quarterpolymers of styrene, isoprene, dimethylsiloxane, and 2-vinylpyridine with molecular weights varying from 117 × 103 to 177 × 103 and having different compositions were synthesized. The synthesis was based on recent advances in the controlled high-vacuum anionic polymerization of hexamethylcyclotrisiloxane and on the selective linking of poly(dimethylsiloxane)lithium with the chlorosilane group of the heterofunctional linking agent chloromethylphenylethylene dimethylchlorosilane. Combined characterization results by size exclusion chromatography, membrane osmometry, and NMR spectroscopy suggested that the synthesized multiblock multicomponent polymers had a high degree of structural and compositional homogeneity.",

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AU - Fragouli, Panagiota G.

AU - Iatrou, Hermis

AU - Hadjichristidis, Nikos

PY - 2004/2/1

Y1 - 2004/2/1

N2 - A series of five tetrablock quarterpolymers of styrene, isoprene, dimethylsiloxane, and 2-vinylpyridine with molecular weights varying from 117 × 103 to 177 × 103 and having different compositions were synthesized. The synthesis was based on recent advances in the controlled high-vacuum anionic polymerization of hexamethylcyclotrisiloxane and on the selective linking of poly(dimethylsiloxane)lithium with the chlorosilane group of the heterofunctional linking agent chloromethylphenylethylene dimethylchlorosilane. Combined characterization results by size exclusion chromatography, membrane osmometry, and NMR spectroscopy suggested that the synthesized multiblock multicomponent polymers had a high degree of structural and compositional homogeneity.

AB - A series of five tetrablock quarterpolymers of styrene, isoprene, dimethylsiloxane, and 2-vinylpyridine with molecular weights varying from 117 × 103 to 177 × 103 and having different compositions were synthesized. The synthesis was based on recent advances in the controlled high-vacuum anionic polymerization of hexamethylcyclotrisiloxane and on the selective linking of poly(dimethylsiloxane)lithium with the chlorosilane group of the heterofunctional linking agent chloromethylphenylethylene dimethylchlorosilane. Combined characterization results by size exclusion chromatography, membrane osmometry, and NMR spectroscopy suggested that the synthesized multiblock multicomponent polymers had a high degree of structural and compositional homogeneity.

KW - Anionic polymerization

KW - Heterofunctional linking agent

KW - Multiblock multicomponent polymers

KW - Tetrablock quarterpolymers

KW - Triblock terpolymers

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DO - 10.1002/pola.10856

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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 Linear Tetrablock Quarterpolymers of Styrene, Isoprene, Dimethylsiloxane, and 2-Vinylpyridine

Abstract

Keywords

ASJC Scopus subject areas

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