Poly(styrene-b-2-vinylpyridine-1-oxide) and poly(dimethyl-siloxane-b-2-vinylpyridine-1-oxide) diblock copolymers 2. Micellar solutions in water/propan-2-ol mixtures

Biggs S. and Vincent B. (1992) Poly(styrene-b-2-vinylpyridine-1-oxide) and poly(dimethyl-siloxane-b-2-vinylpyridine-1-oxide) diblock copolymers 2. Micellar solutions in water/propan-2-ol mixtures. Colloid & Polymer Science, 270 5: 511-517. doi:10.1007/BF00665997


Author Biggs S.
Vincent B.
Title Poly(styrene-b-2-vinylpyridine-1-oxide) and poly(dimethyl-siloxane-b-2-vinylpyridine-1-oxide) diblock copolymers 2. Micellar solutions in water/propan-2-ol mixtures
Journal name Colloid & Polymer Science   Check publisher's open access policy
ISSN 0303-402X
Publication date 1992-01-01
Sub-type Article (original research)
DOI 10.1007/BF00665997
Volume 270
Issue 5
Start page 511
End page 517
Total pages 7
Publisher Steinkopff-Verlag
Language eng
Subject 1505 Marketing
1606 Political Science
2505 Materials Chemistry
2507 Polymers and Plastics
Abstract Dynamic light scattering and viscometry measurements have been carried out on three AB diblock copolymers in water/propan-2-ol mixtures. The A moieties in each case were poly(2-vinylpyridine-1-oxide) for which both water and propan-2-ol are good solvents. The B Moieties were either polystyrene or polydimethylsiloxane, for which both water and propan-2-ol are poor solvents, but water is the worse solvent. In all cases, the hydrodynamic size of the micelles (assumed spherical) was found to increase with increasing water content in the solvent mixture; the aggregation number was also found to increase. The former finding is in agreement with the theoretical predictions of Munch and Gast, but not the latter.
Keyword Diblock copolymers
micellar solutions
polyaimethylsiloxane-b-poly (vinylpyridine-1-oxide)
polystyrene-b-poly (vinylpyridine-1-oxide)
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
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