Control of the morphology of linear and cyclic PS-b-PI block copolymer micelles via PS addition
| dc.rights.license | open | |
| hal.structure.identifier | Univ Mons, Belgique, Serv Chim Mat Nouveaux | |
| dc.contributor.author | OUARTI, Nadia | |
| hal.structure.identifier | Univ Mons, Belgique, Serv Chim Mat Nouveaux | |
| dc.contributor.author | VIVILLE, Pascal | |
| hal.structure.identifier | Univ Mons, Belgique, Serv Chim Mat Nouveaux | |
| dc.contributor.author | LAZZARONI, Roberto | |
| hal.structure.identifier | Univ Fed Santa Catarina, Dept Quim | |
| dc.contributor.author | MINATTI, Edson | |
| hal.structure.identifier | Laboratoire de Chimie des polymères organiques [LCPO] | |
| dc.contributor.author | SCHAPPACHER, Michel | |
| hal.structure.identifier | Laboratoire de Chimie des polymères organiques [LCPO] | |
| hal.structure.identifier | Team 1 LCPO : Polymerization Catalyses & Engineering | |
| dc.contributor.author | DEFFIEUX, Alain | |
| hal.structure.identifier | Laboratoire de Chimie des polymères organiques [LCPO] | |
| hal.structure.identifier | Team 3 LCPO : Polymer Self-Assembly & Life Sciences | |
| dc.contributor.author | BORSALI, Redouane | |
| dc.date.accessioned | 2020 | |
| dc.date.available | 2020 | |
| dc.date.issued | 2005 | |
| dc.identifier.issn | 0743-7463 | |
| dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/20686 | |
| dc.description.abstractEn | We have studied the effect of polystyrene (PS) homopolymer addition on the morphology of self-assembled block copolymer micelles made from linear or cyclic poly(styrene-b-isoprene), PS-b-PI, in a selective solvent for the PI block (heptane). Both copolymers have the same composition: the degree of polymerization is 290 for the PS block, and 110 for the PI block, and we focused on the influence of the addition of small amounts of PS homopolymer on the micellar morphology. For the copolymer concentrations considered, the linear copolymer self-organizes into spherical micelles while the cyclic copolymer forms cylindrical micelles. PS and PI chains constitute the core and the corona of these micelles, respectively, due to the different affinity of the blocks for heptane. Consequently, the PS homopolymer added is "solubilized" into the micellar core. Dynamic light scattering (DLS) data combined with atomic force microscopy (AFM) results show that the addition of PS homopolymer induces a drastic change in the micellar organization. Indeed, a morphological transition, from spheres to cylinders for the linear copolymer, and from cylinders to vesicles for the cyclic copolymer, is observed. These results highlight the fact that a small incorporation of PS homopolymer is clearly sufficient to modify the morphology (size and shape) of the micelles. This approach could be a key parameter for the design/control of micelles for specific applications in nanotechnology. | |
| dc.language.iso | en | |
| dc.publisher | American Chemical Society | |
| dc.subject.en | SURFACTANTS | |
| dc.subject.en | ACID) | |
| dc.subject.en | DILUTE-SOLUTION | |
| dc.subject.en | PHASE-BEHAVIOR | |
| dc.subject.en | ANGLE NEUTRON-SCATTERING | |
| dc.subject.en | DIBLOCK COPOLYMERS | |
| dc.subject.en | MULTIPLE MORPHOLOGIES | |
| dc.subject.en | DRUG-DELIVERY | |
| dc.subject.en | WORMLIKE MICELLES | |
| dc.subject.en | VESICLES | |
| dc.title.en | Control of the morphology of linear and cyclic PS-b-PI block copolymer micelles via PS addition | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1021/la048944f | |
| dc.subject.hal | Chimie/Polymères | |
| bordeaux.journal | Langmuir | |
| bordeaux.page | 1180-1186 | |
| bordeaux.volume | 21 | |
| bordeaux.hal.laboratories | Laboratoire de Chimie des Polymères Organiques (LCPO) - UMR 5629 | * |
| bordeaux.issue | 4 | |
| bordeaux.institution | Bordeaux INP | |
| bordeaux.institution | Université de Bordeaux | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00394136 | |
| hal.version | 1 | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00394136v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Langmuir&rft.date=2005&rft.volume=21&rft.issue=4&rft.spage=1180-1186&rft.epage=1180-1186&rft.eissn=0743-7463&rft.issn=0743-7463&rft.au=OUARTI,%20Nadia&VIVILLE,%20Pascal&LAZZARONI,%20Roberto&MINATTI,%20Edson&SCHAPPACHER,%20Michel&rft.genre=article |
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