Skip to main content
SpringerLink
Log in

Synthesis and crystallization behaviors of modified PET copolymers

  • Published:
Fibers and Polymers Aims and scope Submit manuscript

Abstract

A series of random copolyesters having various compositions were synthesized by bulk copolymerization of bishydroxyethyl terephthalate (BHET) with 1,4-cyclohexane dimethanol (CHDM) or dimethyl isophthalate (DMI). CHDM and DMI content was less than 10 wt%. For the synthesized copolyesters, isothermal crystallization rate, melting behavior, and equilibrium temperature were investigated by calorimetry and by Avrami and Hoffman-Weeks equation. Crystalline lattice and morphology were studied by WAXD and SEM. Regardless of the composition, the value of the Avrami exponent was about 3, which indicates that crystallization mechanism of the copolyester was similar to those of PET homopolymer. Incoporation of CHDM or DMI units in PET backbone decreased the crystallization rate of the copolyesters. Surface free energy of copolyesters was evaluated using the newly proposed equation. The value of surface free energy was about 189×10−6 J2/m4 regardless of comonomer contents. This result is in good agreement with that of PET homopolymer.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. N. J. Brozenic, “Modern Plastics Encyclopedia”, New York: McGraw Hill, 1986.

    Google Scholar 

  2. Chemical and Engineering News, April 18, 1994.

  3. I. Goodman in “Encyclopedia of Polymer Science and Technology”, (H. F. Mark, N. G. Gaylord, and N. M. Bikales Eds.), Vol. 11, p.1, Wiley Interscience, New York, 1969.

    Google Scholar 

  4. X. Lu and A. H. Windle,Polymer,37, 2027 (1996).

    Article  CAS  Google Scholar 

  5. M. Pizzoli,Macromolecular Chem & Physics,199, 1022 (1998).

    Google Scholar 

  6. B. Z. Li, J. A. Yu, and S. W. Lee,Polymer,40, 5371 (1999).

    Article  CAS  Google Scholar 

  7. S. W. Lee, M. Lee, C. E. Park, Y. K. Jung, C. S. Park, Y. S. Jim, and D. C. Bae,Polymer,40, 7137 (1999).

    Article  CAS  Google Scholar 

  8. M. Patkar and S. A. Jabarin,J. Appl. Polym. Sci.,47, 1749 (1993).

    Article  CAS  Google Scholar 

  9. W. R. Moore,Polymer,153, 9 (1968).

    Google Scholar 

  10. E. A. Dimarzio and J. H. Gibbs,J. Polym. Sci.,40, 121 (1959).

    Article  CAS  Google Scholar 

  11. U. W. Gedde, “Polymer Physics”, (Chapman & Hall Eds.), p.144, New York, 1995.

  12. U. W. Gedde, “Polymer Physics”, (Chapman & Hall Eds.), p.172, New York, 1995.

  13. J. D. Hoffman and J. J. Weeks,J. Res. Nat. Bur. Stand,66A, 13 (1962).

    CAS  Google Scholar 

  14. J. D. Hoffman and J. J. Weeks,J. Res. Nat. Bur. Stand,64A, 73 (1963).

    Google Scholar 

  15. Y. P. Khanna and T. J. Taylor,Polym. Eng. Sci.,28, 1042 (1998).

    Article  Google Scholar 

  16. M. C. Righetti,Macromol. Chem. Phys.,198, 363 (1997).

    Article  CAS  Google Scholar 

  17. Ismail Ahmad and A. Al Raheil,Polym. International,35, 189 (1994).

    Article  Google Scholar 

  18. W. P. Frank and H. G. Zachman,Prog. Colloid, Polym. Sci.,62, 88 (1997).

    Article  Google Scholar 

  19. T. Yu, H. Bu, J. Chen, J. Mei, and J. Hu,Makromol. Chem.,187, 2697 (1986).

    Article  CAS  Google Scholar 

  20. J. D. Hoffman, G. T. Davis, and J. I. Lauritzen in “Treatise on Solid State Chemistry”, (N. B. Hannay Eds.), Vol. 3, Chap 7., Plenum Press, New York, 1976.

    Google Scholar 

  21. L. H. Palys and P. J. Phillips,J. Polym. Sci. Polym. Phys.,829, 18 (1980).

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Textile Engineering, Hanyang University, Haengdang-dong Seongdong-gu, 133-791, Seoul, Korea

    Seung Woo Hu, Hee Soo Myung, Jong Seok Bae, Eui Sang Yoo & Seung Soon Im

Authors
  1. Seung Woo Hu
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Hee Soo Myung
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Jong Seok Bae
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Eui Sang Yoo
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Seung Soon Im
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Seung Soon Im.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Hu, S.W., Myung, H.S., Bae, J.S. et al. Synthesis and crystallization behaviors of modified PET copolymers. Fibers Polym 1, 76–82 (2000). https://doi.org/10.1007/BF02875189

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF02875189

Keywords

Search

Navigation