Nanocomposite Materials Properties of Aminophenylsilsesquioxanes

  • R. M. LaineEmail author
  • K. Takahasi
  • R. Tamaki
  • J. Choi
  • S. G. Kim
  • C. Brick
  • M. Z. Asuncion
  • E. Chetioui
  • S. Sulaiman
  • R. Basheer


A series of aminophenylsilsesquioxanes were synthesized and cross-linked with a set of epoxy resins to form 3-D epoxy resins with completely defined interfaces. The objectives of this work were to make materials with very low coefficients of thermal expansions (CTEs) such that these materials could be used for flip-chip underfill in the manufacture of chips on printed circuit boards. Related polyimides were made as oxygen barrier materials. We were able to make epoxy resin hybrid composites with CTEs of ≈30 ppm/°C. Likewise with polyimides we were able to make composite resins with oxygen transmission rates of 3–5 ± 0.5 cc·20 μm/m2·day·atm in films that were only 0.5 mm thick.


Hybrid materials Flip-chip underfill Low-viscosity epoxy resins Composite oxygen barrier materials 



The authors would like to thank Delphi Inc., Kuraray Ltd., Matsushita Electric, and AFRL Wright Patterson Air Force Base through subcontract from Mayaterials on SBIR Contract Number F33615 03M 5018 for support of this work.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • R. M. Laine
    • 1
    Email author
  • K. Takahasi
    • 1
  • R. Tamaki
    • 1
  • J. Choi
    • 1
  • S. G. Kim
    • 1
  • C. Brick
    • 1
  • M. Z. Asuncion
    • 1
  • E. Chetioui
    • 1
  • S. Sulaiman
    • 1
  • R. Basheer
    • 2
  1. 1.Departments of Materials Science and Engineering, Chemistry and The Macromolecular Science and Engineering CenterUniversity of MichiganAnn ArborUSA
  2. 2.Delphi Research LaboratoriesShelby TownshipUSA

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