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Nylon 6–Clay Hybrid

  • Akane Okada (a1), Masaya Kawasumi (a1), Arimitsu Usuki (a1), Yoshitsugu Kojima (a1), Toshio Kurauchi (a1) and Osami Kamigaito (a1)...


ζ-Caprolactam was polymerized in the interlayer spacing of montmorillonite, a clay mineral, yielding a nylon 6-clay hybrid (NCH) 1).

X-ray and TEM measurements revealed that each template of the silicate, which is 10 Å thick, was dispersed in the nylon 6 matrix and that the repeat unit increased from 12 Å in unintercalated material to 21 Å in the intercalated material.

Thus NCH, is a “polymer based molecular composite” or “nanometer composite”. NCH, when injection-molded, shows excellent properties as compared to nylon 6 in terms of tensile strength, tensile modulus and heat resistance. Heat distortion temperature increased from 65 °c for nylon 6 to 152 °c for NCH, containing 4 wt% (1.6 vol%) of clay mineral.



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1. Presented in part at the 194th National Meetings of American Chemical Society, New Orleans, La., August 1987, Polymer Preprint 28, 447 (1987).
2. Kohan, M. I. Ed., “Nylon Plastics”, Interscience, New York 1973.
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MRS Online Proceedings Library (OPL)
  • ISSN: -
  • EISSN: 1946-4274
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