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Aminimide-cured epoxy resins as surface modifiers for mica flakes in particle-reinforced thermoplastics

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Abstract

The tensile behaviour of mica-flake-dispersed thermoplastic composites was examined. The mica flakes (phlogopite, muscovite and cerisite) were treated with a combination of epoxy prepolymer and various aminimide curing agents, and then incorporated into polypropylene or acrylonitrile-butadiene-styrene copolymer matrix. It was found that improvement of the fillermatrix interface with the present treatments is comparable to expensive silane coupling treatments. The tensile strength of the composites increased by approximately 20%. In contrast, surface treatment by conventional epoxy resins gave poor results in all respects. The overall behaviour is discussed in terms of the nature of the interface between filler and matrix in the polymer composite materials.

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Authors and Affiliations

  1. Research Laboratory of Resources Utilization, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, 227, Yokohama, Japan

    S. Inubushi, T. Ikeda & S. Tazuke

  2. NTN Toyo Bearing Co. Ltd, 1380 Higashikaizuka, Iwata, 438, Shizuoka, Japan

    T. Satoh

  3. Industrial Products Research Institute, 1-1-4 Yatabe-machi, Higashi, 305, Tsukuba-gun, Ibaraki, Japan

    Y. Kumagai

Authors
  1. S. Inubushi
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  2. T. Ikeda
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  3. S. Tazuke
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  4. T. Satoh
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  5. Y. Kumagai
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Inubushi, S., Ikeda, T., Tazuke, S. et al. Aminimide-cured epoxy resins as surface modifiers for mica flakes in particle-reinforced thermoplastics. J Mater Sci 23, 535–540 (1988). https://doi.org/10.1007/BF01174681

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  • DOI: https://doi.org/10.1007/BF01174681

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