Comb copolymers with polystyrene and polyisoprene branches: Effect of block topology on film morphology
| Autor: | Fumi Ariura, Alain Deffieux, Redouane Borsali, Michel Schappacher, David Lanson |
|---|---|
| Přispěvatelé: | Laboratoire de Chimie des Polymères Organiques (LCPO), Centre National de la Recherche Scientifique (CNRS)-Institut Polytechnique de Bordeaux-Ecole Nationale Supérieure de Chimie, de Biologie et de Physique (ENSCBP)-Université de Bordeaux (UB)-Institut de Chimie du CNRS (INC), Centre de Recherches sur les Macromolécules Végétales (CERMAV), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF), Team 1 LCPO : Polymerization Catalyses & Engineering, Centre National de la Recherche Scientifique (CNRS)-Institut Polytechnique de Bordeaux-Ecole Nationale Supérieure de Chimie, de Biologie et de Physique (ENSCBP)-Université de Bordeaux (UB)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut Polytechnique de Bordeaux-Ecole Nationale Supérieure de Chimie, de Biologie et de Physique (ENSCBP)-Université de Bordeaux (UB)-Institut de Chimie du CNRS (INC), inconnu, Inconnu |
| Jazyk: | angličtina |
| Rok vydání: | 2009 |
| Předmět: |
Self-organization
Materials science Hydrodynamic radius Polymers and Plastics Block topology Dispersity Biphasic Randomly distributed 010402 general chemistry 01 natural sciences Inorganic Chemistry chemistry.chemical_compound Grafting onto Polymer chemistry Materials Chemistry Copolymer ComputingMilieux_MISCELLANEOUS Diblock 010405 organic chemistry Organic Chemistry Cationic polymerization Grafting 0104 chemical sciences Film morphology Anionic addition polymerization [CHIM.POLY]Chemical Sciences/Polymers chemistry Radius of gyration Polystyrene AFM Comblike copolymers Comb copolymers |
| Zdroj: | International Journal of Biological Macromolecules International Journal of Biological Macromolecules, Elsevier, 2009, 42 (12), pp.3942-3950. ⟨10.1021/ma9003715⟩ Macromolecules Macromolecules, American Chemical Society, 2009, pp.3942-3950 |
| ISSN: | 0141-8130 0024-9297 1520-5835 |
| DOI: | 10.1021/ma9003715⟩ |
| Popis: | International audience; Comblike copolymers with randomly distributed polystyrene (PS) and polyisoprene (PI) branches, i.e., PCEVE-g-(PS, PI), were synthesized by the "grafting onto" technique. The comblike copolymers exhibit a low dispersity, high molar masses, and controlled number of branches. Their characteristics and behavior as isolated objects were investigated as solid molecular deposits, using atomic force microscopy (AFM), and in solution, in a good solvent of the polystyrene and polyisoprene branches, using dynamic light scattering (DLS). AFM experiments show isolated uniform molecules that adopt an ovo'idal conformation whose dimensions are found in good agreement with DLS data. The self-organization of the PS, PI comb copolymers was further studied in the solid state as thin films, using SAXS. The results show that PCEVE- g-(PS, PI) combs yield lamellar biphasic morphologies that were compared to those observed for PCEVE-g-(PS-b-PI) combs with PS-b-PI diblock branches and those known for linear PS-b-PI of similar weight compositions. |
| Databáze: | OpenAIRE |
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