Skip to main content
SpringerLink
Log in

On the morphology of polystyrene fractions, obtained by a multistep procedure from a radically polymerized sample

  • Colloid Science
  • Published:
Colloid and Polymer Science Aims and scope Submit manuscript

Summary

A polystyrene sample obtained by free radical polymerization has been fractionated by preparative scale GPC and the structure and morphology of the fractions have been studied by13C-NMR spectroscopy, DSC and X-ray measurements. No changes in morphology in the course of fractionation have been obeyed. A distribution of syndiotacticity within the molecular weight distribution does not exist.

Zusammenfassung

Eine Polystyrolprobe, die durch radikalische Polymerisation hergestellt wurde, wurde mit Hilfe der präparativen Gelpermeationschromatographie fraktioniert; die Struktur und Morphologie der Fraktionen wurde mit13C-NMR-Spektroskopie, DSC und Röntgenbeugung untersucht. Im Verlauf der Fraktionierung traten keine Änderungen der Morphologie der Fraktionen auf. Innerhalb der Molekulargewichtsverteilung existiert keine Verteilung der Syndiotaktizität.

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

Abbreviations

AIBN:

a, a′-Azo-bis-(iso-butyronitrile)

D :

Dispersity, M w /M n

DSC :

Differential scanning calorimetry

EF:

Efficiency of fractionation

GPC:

Gel permeation chromatography

m :

mass of the fraction

M :

mass of the fractionated polymer sample

MWD:

Molecular weight distribution

P r :

content of racemic dyads

PS:

Polystyrene

THF:

Tetrahydrofuran

U :

D-1

U ss :

U of the starting sample

U f :

U of the fraction

Literature

  1. Vaughan, M. F., R. Dietz; R. Epton (Ed.), Chromatography of Synthetic and Biological Polymers.1 (Chichester 1978).

  2. Klein, J., K. Schmidtke, Coll. Polym. Sci.255, 1125 (1977).

    Google Scholar 

  3. Natta, G., R. Rigamonti, Atti accad. naz. Line., Class. sci. fis. mat. nat.24, 381 (1936), Ser. 6.

    Google Scholar 

  4. Standt, U.-D., J. Klein, Makromol. Chem., Rapid Commun.2, 42 (1981).

    Google Scholar 

  5. Matsuzaki, K., T. Uryu, K. Osada, T. Kawamura, Macromolecules5, 816 (1972).

    Google Scholar 

  6. Wecker, S. M., T. Davidson, J. B. Cohen, J. Mat. Sci.7, 1249 (1972).

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Institut für Chemische Technologie der TU Braunschweig, Hans-Sommer-Str. 10, D-3300, Braunschweig

    J. Klein & U. -D. Standt

Authors
  1. J. Klein
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. U. -D. Standt
    View author publications

    You can also search for this author in PubMed Google Scholar

Additional information

Auszug aus der Dissertation von U.-D. Standt: „Zur Morphologie von Polystyrol”, TU Braunschweig 1981.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Klein, J., Standt, U.D. On the morphology of polystyrene fractions, obtained by a multistep procedure from a radically polymerized sample. Colloid & Polymer Sci 259, 977–980 (1981). https://doi.org/10.1007/BF01558609

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01558609

Key words

Search

Navigation