Aggregation behaviour of monosulfonated telechelic ionomers

Chassenieux, Christophe; Nicolai, Taco; Durand, Dominique; Jérôme, Robert

doi:10.1002/1097-0126(200006)49:6<561::aid-pi413>3.0.co;2-7

Cited by 3 publications

(3 citation statements)

References 18 publications

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“…For the monofunctionalised system, D 0 (i. e. D c extrapolated to zero concentration) is coherent with the value expected for a 4-arms star-shaped PS. [45] As the concentration increases, N agg remains constant, and the increase in D c is again due to inter-particle interactions. At the highest concentrations, the behaviour is close to that measured for semi-dilute solutions of linear PS in a good solvent.…”

Section: Results Derived From Dls Measurementsmentioning

confidence: 99%

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Association of Telechelic Ionomers in Apolar Solvents

Chassenieux

Nicolai

Tassin

et al. 2001

Macromol. Rapid Commun.

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The associative properties of well‐defined halatotelechelic ionomers in an apolar solvent were studied by means of dynamic mechanical spectroscopy, small‐angle X‐ray scattering, as well as static and dynamic light scattering. The effect of end‐functionalisation was investigated by comparing results on polystyrene (PS) and polyisoprene (PI) precursors using PS and PI of the same molar mass modified at one or both ends with sulfonate groups. The molar‐mass dependence was investigated by comparing difunctionalised samples with different molar masses and the influence of the backbone by comparing polystyrene and polyisoprene. Experimental data suggest a relatively simple model for the association of this material. At low concentrations, the polymer chains organise themselves into well‐defined reversed micelles, so‐called flowers. Above a certain concentration C+, the flowers associate into larger aggregates according to an open association mechanism. At a critical concentration Cgel, the aggregates fill the whole space and a transient network is formed most likely by a percolation process. A semi‐quantitative description of the associating process can be obtained by considering an open association mechanism properly combined with inter‐particle interactions.

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Section: Results Derived From Dls Measurementsmentioning

confidence: 99%

“…As can be seen from Figure 14 a and 14 b, F s and F d describe the behaviour of both linear PS and micelles formed by monofunctionnalised samples. [45] …”

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confidence: 99%

Association of Telechelic Ionomers in Apolar Solvents

Chassenieux

Nicolai

Tassin

et al. 2001

Macromol. Rapid Commun.

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“…In the past 2 decades, ionomers have attracted increasing attention, thanks to the dramatic modification induced in the properties of polymeric materials by strongly interacting ions [4][5][6][7][8][9][10][11][12][13][14]. At present, the topical subjects studied on ionomer are preparation, selfassembly, and structure-property relationship.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of a novel well-defined comb-like ionomer

2010

Front. Chem. China

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Ionomers

Kim¹,

Luqman²,

Song³

2010

Encyclopedia of Polymer Science and Technology

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Since the early 1950s, the introduction of ionic groups has been recognized as a tool that can change the polymer properties. Thus, ionomers, polymers that contain a small amount of ionic groups along the polymer backbone chains, have received considerable attention from industrial as well as academic arenas. It has been found that ionomers exhibit unique properties and morphology, such as two T g s, high melt viscosity, transport behavior, and SAXS “ionomer” peak. In this article, we set out with a introduction on ionomers, and then move on to multiplet/cluster concepts. Subsequently, the glass transition temperatures of ionomers have been discussed. The next section is devoted to a discussion of physical properties of various ionomers, that is, polyethylene‐based ionomers, polytetrafluoroethylene‐based ionomers, polystyrene‐based ionomers, block ionomers, telechelic ionomers, and star ionomers. In the following section, three different types of plasticization using polar, non‐polar, and amphiphilic plasticizers are discussed. Then, various ionic interactions as a tool for miscibility improvement are described. The last section deals with the applications of ionomers briefly.

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Aggregation behaviour of monosulfonated telechelic ionomers

Cited by 3 publications

References 18 publications

Association of Telechelic Ionomers in Apolar Solvents

Association of Telechelic Ionomers in Apolar Solvents

Synthesis and characterization of a novel well-defined comb-like ionomer

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