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Nylon 6–Clay Hybrid

Published online by Cambridge University Press:  21 February 2011

Akane Okada ,
Masaya Kawasumi ,
Arimitsu Usuki ,
Yoshitsugu Kojima ,
Toshio Kurauchi  and
Osami Kamigaito
Akane Okada
Affiliation:
Toyota Central Research and Development Laboratories, Inc., Nagakute, Aichi, 480-11, Japan
Masaya Kawasumi
Affiliation:
Toyota Central Research and Development Laboratories, Inc., Nagakute, Aichi, 480-11, Japan
Arimitsu Usuki
Affiliation:
Toyota Central Research and Development Laboratories, Inc., Nagakute, Aichi, 480-11, Japan
Yoshitsugu Kojima
Affiliation:
Toyota Central Research and Development Laboratories, Inc., Nagakute, Aichi, 480-11, Japan
Toshio Kurauchi
Affiliation:
Toyota Central Research and Development Laboratories, Inc., Nagakute, Aichi, 480-11, Japan
Osami Kamigaito
Affiliation:
Toyota Central Research and Development Laboratories, Inc., Nagakute, Aichi, 480-11, Japan
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Abstract

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.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 171: Symposium O – Polymer Based Molecular Composites , 1989 , 45
Copyright
Copyright © Materials Research Society 1990

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References

REFERENCES

1. Presented in part at the 194th National Meetings of American Chemical Society, New Orleans, La., August 1987, Polymer Preprint 28, 447 (1987).Google Scholar
2. Kohan, M. I. Ed., “Nylon Plastics”, Interscience, New York 1973.Google Scholar