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Blends of Poly(methacrylate) Block Copolymers with Photoaddressable Segments

Title data

Breiner, Thomas ; Kreger, Klaus ; Hagen, Rainer ; Häckel, Michael ; Kador, Lothar ; Müller, Axel H. E. ; Kramer, Edward J. ; Schmidt, Hans-Werner:
Blends of Poly(methacrylate) Block Copolymers with Photoaddressable Segments.
In: Macromolecules. Vol. 40 (2007) Issue 6 . - pp. 2100-2108.
ISSN 0024-9297

Abstract in another language

The paper presents the synthesis of azobenzene-functionalized block copolymers based on a poly(methyl methacrylate) (PMMA) segment and an azobenzene-functionalized poly(hydroxyethyl methacrylate) segment, and a basic study of blending these block copolymers with homopolymers is given. Two diblock copolymers, prepared via different routes, were synthesized by a living anionic polymerization followed by a polymer analogous reaction to attach the azobenzene side groups. Self-assembly of the block copolymers resulted in phase-separated morphologies on the nanometer scale. The photoaddressable azobenzene segments are dispersed in the PMMA matrix and locally confined. Special focus is given to the preparation and characterization of block copolymer blends with PMMA homopolymer in order to dilute the phase-separated azobenzene morphology and reduce the optical density while maintaining the confinement. The block copolymer blends were characterized with respect to their morphology and initial holographic experiments were performed.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Research Institutions > Research Centres > Bayreuth Institute of Macromolecular Research - BIMF
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 500 Natural sciences
500 Science > 530 Physics
Date Deposited: 27 Mar 2015 14:33
Last Modified: 27 Jan 2022 12:29