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Experimental study of surface segregation and wetting in films of a partially miscible polymer blend

Abstract:

We have studied composition-depth profiles in thin films of blends of deuterated polystyrene and poly(α-methyl styrene) using neutron reflectometry and 3He nuclear reaction analysis. Some of the neutron reflectometry data are analyzed using a maximum entropy technique with Bayesian probability. One blend is miscible for all compositions at the temperature studied (180°C), and we are able to obtain a bare surface energy difference between the two polymers from the equilibrium surface profile. ...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevE.53.825

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
PHYSICAL REVIEW E
Volume:
53
Issue:
1
Pages:
825-837
Publication date:
1996-01-05
DOI:
EISSN:
1095-3787
ISSN:
1539-3755
URN:
uuid:a0a37e33-9ea7-4ede-886c-15f50489dad6
Source identifiers:
121800
Local pid:
pubs:121800

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