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COMPARISON OF THE STRUCTURAL AND RHEOLOGICAL CONSEQUENCES OF MICELLE FORMATION IN SOLUTIONS OF A MODEL DI-BLOCK COPOLYMER

Abstract:

In the selective solvent, dodecane, the di-block copolymer polystyrene-b-(ethylene-co-propylene), with a narrow molecular-weight distribution, forms micelles with polystyrene cores. Small-angle neutron scattering experiments were used to investigate both core shape and dimensions and the intercore structure factors as temperature or concentration were varied. Monodisperse spherical structures with radii around 120 Å were observed. Above a critical concentration these were arranged in relative...

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Publication status:
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Authors


HIGGINS, J More by this author
TOMLINS, P More by this author
ROSSMURPHY, S More by this author
STAPLES, E More by this author
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Journal:
POLYMER
Volume:
29
Issue:
11
Pages:
1968-1978
Publication date:
1988-11-05
DOI:
ISSN:
0032-3861
URN:
uuid:4d5d6920-125e-4f11-ba10-570e9e239d45
Source identifiers:
121742
Local pid:
pubs:121742

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