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Water and ion pairing in polyelectrolyte multilayers

Abstract:
The water content in multilayers made from poly(styrenesulfonate) and poly(diallyldimethylammonium chloride) was determined using infrared spectroscopy and thermal gravimetric analysis. Under ambient conditions the polyelectrolyte multilayer contains 10-20 wt % water, which is removed by heating under dry conditions to 100 °C. FTIR comparison of multilayers with solution-precipitated polyelectrolyte complexes of the same polymers revealed that both the composition and sulfonate group environment were identical.
Publication status:
Published

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Publisher copy:
10.1021/la990631a

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
Publisher:
ACS
Journal:
LANGMUIR
Volume:
15
Issue:
20
Pages:
6621-6623
Publication date:
1999-09-28
DOI:
EISSN:
1520-5827
ISSN:
0743-7463
URN:
uuid:4aa50537-47ef-41a1-b565-e8c9fb4f17de
Source identifiers:
1443
Local pid:
pubs:1443
Language:
English

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