Skip to main content
SpringerLink
Log in

Comparison of different -nucleators for isotactic polypropylene, characterisation by DSC and temperature-modulated DSC (TMDSC) measurements

  • Published:
Journal of Thermal Analysis and Calorimetry Aims and scope Submit manuscript

Abstract

The nucleating efficiency and selectivity of different β-nucleating agents was characterised and compared by differential scanning calorimetry, (DSC) and temperature-modulated DSC (TMDSC). The nucleating agents were the calcium salts of pimelic and suberic acid (Ca-pim and Ca-sub), linear trans-γ-quinacridone (LTQ), a commercial nucleator NJ Star (NJS) and an experimental product (CGX-220). The efficiency and the selectivity of Ca-sub and Ca-pim are extremely high. NJS is efficient above a critical concentration, which is connected with its partial dissolution in polypropylene melt. LTQ and CGX-220 possess strong overall nucleating ability and moderate selectivity. Using TMDSC, we found that three consecutive processes take place during the heating of β-nucleated samples cooled down to room temperature: reversible partial melting of the β-form, irreversible βα-recrystallisation, and the melting of the α-modification formed during βα-recrystallisation or being present in samples prepared with non-selective β-nucleators. Melting of the α-phase contains both reversible and irreversible components.

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. B Lotz JC Wittmann AJ Lovinger (1996) Polymer 37 4979 Occurrence Handle1:CAS:528:DyaK28Xms1ynsrk%3D Occurrence Handle10.1016/0032-3861(96)00370-9

    Article  CAS  Google Scholar 

  2. J Varga (2002) J. Macromol. Sci. Part-B Phys. 41 1121 Occurrence Handle10.1081/MB-120013089

    Article  Google Scholar 

  3. HJ Leugering (1967) Makromol. Chem. 109 204 Occurrence Handle1:CAS:528:DyaF1cXjt1Or Occurrence Handle10.1002/macp.1967.021090118

    Article  CAS  Google Scholar 

  4. J Varga I Mudra GW Ehrenstein (1999) J. Therm. Anal. Cal. 56 1047 Occurrence Handle1:CAS:528:DyaK1MXnt1Wntbo%3D Occurrence Handle10.1023/A:1010132306934

    Article  CAS  Google Scholar 

  5. G Shi X Zhang Z Qui (1992) Makromol. Chem. 193 583 Occurrence Handle1:CAS:528:DyaK38XitFGhtb0%3D Occurrence Handle10.1002/macp.1992.021930303

    Article  CAS  Google Scholar 

  6. N. Ikeda, T. Kobayashi and L. Killough, Polypropylene’96. World Congress, Zurich, Switzerland, 18–20th Sept., 1996

  7. M Varma-Nair PK Agarwal (2000) J. Therm. Anal. Cal. 59 483 Occurrence Handle1:CAS:528:DC%2BD3cXivFKrtLk%3D Occurrence Handle10.1023/A:1010145625770

    Article  CAS  Google Scholar 

  8. C Marco MA Gomez G Ellis JM Arribas (2002) J. Appl. Polym. Sci. 86 531 Occurrence Handle1:CAS:528:DC%2BD38Xmtl2ns7Y%3D Occurrence Handle10.1002/app.10811

    Article  CAS  Google Scholar 

  9. J Kotek M Raab J Baldrian W Grellmann (2002) J. Appl. Polym. Sci. 85 1174 Occurrence Handle1:CAS:528:DC%2BD38Xks12gtbg%3D Occurrence Handle10.1002/app.10701

    Article  CAS  Google Scholar 

  10. A Romankiewitz T Sterzynski W Brostow (2004) Polymer Int. 53 2086 Occurrence Handle10.1002/pi.1632

    Article  Google Scholar 

  11. M. Obadal, R. Cermak, R. Cabla and K. Stoklasa, ANTEC, (2004) 3045.

  12. M Obadal R Cermak N Baran K Stoklasa I Simonik (2004) Int. Polymer Proc. 19 35 Occurrence Handle1:CAS:528:DC%2BD2cXks1yhsrg%3D Occurrence Handle10.3139/217.1802

    Article  CAS  Google Scholar 

  13. J Varga (1986) J. Thermal Anal. 31 165 Occurrence Handle1:CAS:528:DyaL28Xks1Whsb4%3D Occurrence Handle10.1007/BF01913897

    Article  CAS  Google Scholar 

  14. J Varga (1995) Crystallization, Melting and Supermolecular Structure of Isotactic Polypropylene, In: ‘Polypropylene: Structure Blends and Composites’ Vol. 1 Chapman and Hill London 56 Occurrence Handle10.1007/978-94-011-0567-5_3

    Book  Google Scholar 

  15. P Forgács BP Tolochko MA Sheromov (1981) Polymer Bull. 6 127 Occurrence Handle10.1007/BF00256515

    Article  Google Scholar 

  16. J Garbarczyk T Sterzynski D Paukszta (1989) Polymer Comm. 30 153 Occurrence Handle1:CAS:528:DyaL1MXksFylsLg%3D

    CAS  Google Scholar 

  17. S Vleeshouwers (38) Polymer 1997 3213

    Google Scholar 

  18. K Cho DN Saheb J Choi H Yang (2002) Polymer 43 1407 Occurrence Handle1:CAS:528:DC%2BD3MXpt1Wqsb8%3D Occurrence Handle10.1016/S0032-3861(01)00729-7

    Article  CAS  Google Scholar 

  19. K Cho DN Saheb H Yang BI Kang J Kim (2003) Polymer 44 4053 Occurrence Handle1:CAS:528:DC%2BD3sXkt1Wltr4%3D Occurrence Handle10.1016/S0032-3861(03)00305-7

    Article  CAS  Google Scholar 

  20. A Turner Jones JM Aizlewood DR Beckett (1964) Makromol. Chem. 75 134 Occurrence Handle1:CAS:528:DyaF2cXksVyhtro%3D Occurrence Handle10.1002/macp.1964.020750113

    Article  CAS  Google Scholar 

  21. J Karger-Kocsis PP Shang (1998) J. Therm. Anal. Cal. 51 237 Occurrence Handle1:CAS:528:DyaK1cXns1agt78%3D Occurrence Handle10.1007/BF02719025

    Article  CAS  Google Scholar 

  22. I MacDonald S Clarke R Pillar M Ginic-Markovic J Matisons (2005) J. Therm. Anal. Cal. 80 781 Occurrence Handle1:CAS:528:DC%2BD2MXks1Cjt7o%3D Occurrence Handle10.1007/s10973-005-0729-z

    Article  CAS  Google Scholar 

  23. A Genovese RA Shanks (2004) J. Therm. Anal. Cal. 75 233 Occurrence Handle1:CAS:528:DC%2BD2cXhsFaisrY%3D Occurrence Handle10.1023/B:JTAN.0000017345.31134.8d

    Article  CAS  Google Scholar 

  24. AA Duswalt WW Cox (1971) Polymer Characterization, Interdisciplinary Approaches Plenum Press New York, London 147 Occurrence Handle10.1007/978-1-4684-1929-0_9

    Book  Google Scholar 

  25. T Sterzynski P Calo M Lambla M Thomas (1997) Polymer Eng. Sci. 37 1917 Occurrence Handle1:CAS:528:DyaK1cXhtVWksg%3D%3D Occurrence Handle10.1002/pen.11842

    Article  CAS  Google Scholar 

  26. M Fujiyama (1996) Intern. Polymer Proc. 11 271 Occurrence Handle1:CAS:528:DyaK28XmtlKrsbc%3D Occurrence Handle10.3139/217.960271

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Budapest University of Technology and Economics, Department of Plastic and Rubber Technology, Budapest, Hungary, P.O. Box 92, 1521

    Menyhárd A., Varga J. & Molnár G.

Authors
  1. Menyhárd A.
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Varga J.
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Molnár G.
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Menyhárd A..

Rights and permissions

Reprints and permissions

About this article

Cite this article

Menyhárd, A., Varga, J. & Molnár, G. Comparison of different -nucleators for isotactic polypropylene, characterisation by DSC and temperature-modulated DSC (TMDSC) measurements. J Therm Anal Calorim 83, 625–630 (2006). https://doi.org/10.1007/s10973-005-7498-6

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10973-005-7498-6

Keywords

Search

Navigation