Adhesive and Physical Properties of Networked Polymers obtaining Cyanate Ester Resin/Epoxy Resin Compositions with a Thermal Latent Hardener Containing Aliphatic Amine Structures

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  • Junji Ueyama
    Functional Polymers Development Laboratory, R&D Division, ADEKA Co.
  • Keisuke Ota
    Functional Polymers Development Laboratory, R&D Division, ADEKA Co.
  • Ippei Okano
    Functional Polymers Development Laboratory, R&D Division, ADEKA Co.
  • Ryo Ogawa
    Functional Polymers Development Laboratory, R&D Division, ADEKA Co.
  • Yasuyuki Mori
    Molecular Engineering Institute, Kyushu Institute of Technology
  • Akihiko Tsuge
    Department of Applied Chemistry, Kyushu Institute of Technology
  • Takeshi Endo
    Molecular Engineering Institute, Kyushu Institute of Technology

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Other Title
  • 脂肪族アミン骨格を有する熱潜在性硬化剤を用いたシアナートエステル／エポキシ樹脂硬化物の接着性と物性

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<p>We have reported that the application of thermal latent hardener with aliphatic amine structures to cyanate ester resin/epoxy resin provides rapid curing at low temperature of approximately 100 ℃, and the networked polymers have high physical properties and adhesive strength. In this study, we investigated the adhesive behavior, the coefficient of linear thermal expansion, and the volume change by networked polymers from the viewpoint of the curing reaction or crosslinked structure. As the result, it was found that the hydroxyl groups generated by the ring-opening reaction of the epoxide contributed to the high adhesive strength to the substrate. The rigid triazine structure by trimerization of cyanate esters caused to decrease the coefficient of linear thermal expansion and to increase the curing shrinkage.</p>

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