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Morphological investigation of polydisperse asymmetric block copolymer systems of poly(styrene) and poly(methacrylic acid) in the strong segregation regime

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John/Wiley & Sons, Inc. John/Wiley & Sons Ltd.
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Keywords
  • Samples Of Compositionally (Highly) Asymmetric Diblock Copolymers And
  • Also
  • Mixtures Of Diblock And Triblock Copolymers (The Latter Obtained As End-Coupling Products Of Two Dib
  • Composed Of (A) Monodisperse Majority Block(S) Of Poly(Styrene) (Ps) And A Polydisperse Minority Blo
  • Microphase Separate Into Spherical Pmaa Microdomains
  • Either In Disordered Liquid-Like State Or Body-Centered-Cubic (Bcc) Arrangement
  • At Various Annealing Temperatures T
  • In The Strong Segregation Regime Ssr
  • We Found That (I) The Microphase Separated State Is Favored Over An Anticipated Molecularly Homogeno
  • (Ii) The Spherical Microdomain Morphology (With Bcc Symmetry) Is Favored Over An Anticipated Hexagon
  • (Iii) The Extent Of The Dissolution Of Short Pmaa Blocks In The Ps Material Can Be Quantified
  • (Iv) The Spherical Microdomains Are Dilated
  • And (V) Despite Molecular-Weight (And Architectural) Polydispersity
  • Well-Ordered Bcc Structures Can Be Obtained

Abstract

Morphological investigation of polydisperse asymmetric block copolymer systems of poly(styrene) and poly(methacrylic acid) in the strong segregation regime - DTU Orbit (27/04/14) Morphological investigation of polydisperse asymmetric block copolymer systems of poly(styrene) and poly(methacrylic acid) in the strong segregation regime - DTU Orbit (27/04/14) Asad Ayoubi, M., Zhu, K., Nyström, B., Olsson, U., Almdal, K., Khokhlov, A. R., & Piculell, L. (2013). Morphological investigation of polydisperse asymmetric block copolymer systems of poly(styrene) and poly(methacrylic acid) in the strong segregation regime. Journal of Polymer Science. Part B, Polymer Physics, 51(23), 1657-1671. 10.1002/polb.23389

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