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Flexural‐Torsional Photomechanical Responses in Azobenzene‐Containing Crosslinked Polyimides
Author(s) -
Wang David H.,
Lee Kyung Min,
Koerner Hilmar,
Yu Zhenning,
Vaia Richard A.,
White Timothy J.,
Tan LoonSeng
Publication year - 2012
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.201200240
Subject(s) - flexural rigidity , azobenzene , materials science , cantilever , flexural strength , rigidity (electromagnetism) , structural rigidity , composite material , flexibility (engineering) , flexural modulus , structural engineering , polymer , engineering , statistics , mathematics
The influence of a variety of factors on the photomechanical output of azo‐CP2‐ xx systems is studied, primarily focusing on a sample with a higher crosslink density (30 mol%) and two new, structurally related crosslinked polyimides with modified backbone flexibility/rigidity. This work elucidates the strong coupling between geometrical considerations (reciprocal aspect ratio of cantilever) and the visualized mechanical response (e.g., flexural‐torsional response of a cantilever).

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