Skip to main content
SpringerLink
Log in

An absolute measure for stereoblock and heterotactic polymers

  • Published:
Polymer Bulletin Aims and scope Submit manuscript

Summary

A criterion (°) for testing stereoblock and heterotactic polymers is developed. The criterion takes values between 1 and-1, a value of 1 is indicative of a pure stereoblock polymer and a value of-1 indicates a pure heterotactic polymer. The criterion (°) is compared with persistence ratio (ρ) and average stereochemical sequence length. The importance of δ as an aid in the synthesis of stereoblock polymers is discussed.

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. M.A. Doherty, T.E. Hogen-Esch, Polymer Preprints,25 (2), 5 (1984)

    CAS  Google Scholar 

  2. M.A. Doherty, T.E. Hogen-Esch, Makromol. Chem.,187, 61 (1986).

    Article  CAS  Google Scholar 

  3. F.A. Bovey, High Resolution NMR of Macromolecules, Academic, NY (1972).

    Google Scholar 

  4. J.C. Randall, E.T. Hsieh, NMR and Macromolecules, ACS Symposium Series,247, 131 (1984).

    Article  CAS  Google Scholar 

  5. R.C. Subramanian, R.D. Allen, J.E. McGrath, T.C. Ward, Polymer Preprints,26 (2), 238 (1985).

    CAS  Google Scholar 

  6. K. Seki, D.A. Tirrell, Polymer Preprints,24 (2), 29 (1983).

    Google Scholar 

  7. I.M. Khan, T.E. Hogen-Esch, Macromolecules,20, 2335 (1987).

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Chemistry, Clark Atlanta University, 30314, Atlanta, GA, USA

    Ishrat M. Khan

Authors
  1. Ishrat M. Khan
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Khan, I.M. An absolute measure for stereoblock and heterotactic polymers. Polymer Bulletin 24, 305–308 (1990). https://doi.org/10.1007/BF00306579

Download citation

  • Accepted:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF00306579

Keywords

Search

Navigation