Compatibility of a statistical copolymer p(EMA‐CO‐MMA) with PS and PMMA | Zendy

Schubert Dirk W. | Zendy; Pannek Michael | Zendy; Müller Axel H. E. | Zendy

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Compatibility of a statistical copolymer p(EMA‐CO‐MMA) with PS and PMMA

Author(s) -

Schubert Dirk W.,

Pannek Michael,

Müller Axel H. E.

Publication year - 1999

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.19991480106

Subject(s) - copolymer , polystyrene , materials science , neutron reflectometry , deuterium , polymer chemistry , flory–huggins solution theory , compatibility (geochemistry) , composite material , neutron , polymer , physics , neutron scattering , quantum mechanics , small angle neutron scattering

The compositions of coexisting phases and the interface widths in blends of a statistical copolymer of poly(ethylmethacrylate — co — methylmethacrylate) (P(EMA 1,x ‐co‐MMA x )) and a deuterated polystyrene (PS(D)) as well as a deuterated poly(methylmethacrylate) (PMMA(D)) have been investigated by neutron reflectometry (NR). Interaction parameters are calculated from the compositions of coexisting phases and the interface width values. Utilizing a novel two dimensional scheme for graphical representation of the interaction parameters, the results are in very good agreement with studies on the interaction parameters for PS/PMMA, PS/PEMA and PEMA/PMMA blends. In particular, X EMA/MMA deduced from a NR experiment on a P(EMA‐block‐MMA(D)) diblock copolymer fits excellent into the scheme.

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