Neutron scattering analysis of a block copolymer poly(l,4-phenylene)- block-polystyrene- block-poly( l,4-phenylene)

Neutron scattering analysis of a block copolymer poly(l,4-phenylene)- block-polystyrene- block-poly( l,4-phenylene)

Poly(1,4-phenylene)- block-polystyrene- block-poly(1,4-phenylene) (PPP- b-PS- b-PPP) blocks copolymers were synthesized by chemical modification of a precursor copolymer. After characterization by Size Exclusion Chromatography (S.E.C) and UV-Visible spectroscopy, triblock copolymers were studied in...

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Veröffentlicht in:Synthetic metals 1999-06, Vol.102 (1), p.1246-1247
Hauptverfasser: Mignard, E., Tachon, C., François, B.
Format: Artikel
Sprache:eng
Schlagworte:
Analytical chemistry
Applied sciences
Chemical Sciences
Condensed Matter
Exact sciences and technology
Neutron scattering and diffraction
Organic polymers
Other conjugated and/or conducting polymers
Physicochemistry of polymers
Physics
Polymers
Properties and characterization
Self-organization in macromolecules
Soft Condensed Matter
Solution and gel properties
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Zusammenfassung:Poly(1,4-phenylene)- block-polystyrene- block-poly(1,4-phenylene) (PPP- b-PS- b-PPP) blocks copolymers were synthesized by chemical modification of a precursor copolymer. After characterization by Size Exclusion Chromatography (S.E.C) and UV-Visible spectroscopy, triblock copolymers were studied in CS 2 solution at room temperature by neutron-scattering analysis. These triblock copolymers are highly aggregated. A ribbon model seems to give the best fit for the PPP core.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(98)01376-9