Skip to main content
SpringerLink
Log in

Thermal degradation and isoconversional kinetic analysis of light-cured dimethacrylate copolymers

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

Abstract

Thermal degradation kinetics of copolymers based on bis-phenol A ethoxylated dimethacrylate (Bis-EMA) with triethylene glycol dimethacrylate (TEGDMA), and urethane dimethacrylate (UDMA) with TEGDMA in wt/wt ratios 30/70, 50/50, or 70/30 were investigated using thermogravimetric analysis as a means to provide specific information regarding the internal structures of these resins. Thermogravimetric scans were taken at four different heating rates to perform an isoconversional analysis to determine the change of the effective activation energy as a function of conversion. A two-step degradation mechanism was found to occur in almost all copolymer compositions attributed to the existence of inhomogeneities in the macromolecular structure and the formation of weak links inside the polymeric network.

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

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6

Similar content being viewed by others

References

  1. Sideridou ID, Achilias DS, Kostidou N. Copolymerization kinetics of dental dimethacrylate resins initiated by a benzoyl peroxide/amine redox system. J Appl Polym Sci. 2008;109:515–24.

    Article  CAS  Google Scholar 

  2. Cadenato A, Morancho JM, Fernandez-Francos X, Salla JM, Ramis X. Comparative kinetic study of the non-isothermal thermal curing of bis-GMA/TEGDMA systems. J Therm Anal Calorim. 2007;89:233–44.

    Article  CAS  Google Scholar 

  3. Teshima W, Nomura Y, Ikeda A, Kawahara T, Okazaki M, Nahara Y. Thermal degradation of photo-polymerised BisGMA/TEGDMA based dental resins. Polym Degrad Stab. 2004;84:167–72.

    Article  CAS  Google Scholar 

  4. Nomura Y, Teshima W, Tanaka N, Yoshida Y, Nahara Y, Okazaki M. Thermal analysis of dental resins cured with blue light-emitting diodes. J Biomed Mater Res B. 2002;63B:209–13.

    Article  Google Scholar 

  5. Pielichowski K, Bogdal D, Pielichowski J, Boron A. Thermal decomposition of the copolymers based on long-chained diol dimethacrylates and BisGMA/TEGDMA. Thermochim Acta. 1997;307:155–65.

    Article  CAS  Google Scholar 

  6. Rigoli IC, Cavalheiro CCS, Neumann MG, Cavalheiro ETG. Thermal decomposition of copolymers used in dental resins formulations photocured by ultra blue IS. J Appl Polym Sci. 2007;105:3295–300.

    Article  CAS  Google Scholar 

  7. Achilias DS, Karabela MM, Sideridou ID. Thermal degradation of light-cured dimethacrylate resins.-Part I. Isoconversional kinetic analysis. Thermochim Acta. 2008;472:74–83.

    Article  CAS  Google Scholar 

  8. Pielichowski K, Njuguna J. Thermal degradation of polymeric materials. Rapra Technology: Shrewsbury; 2005.

  9. Chrissafis K. Kinetics of thermal degradation of polymers. J Therm Anal Calorim. 2009;95:273–83.

    Article  CAS  Google Scholar 

  10. Santos AF, Polese L, Crespi MS, Ribeiro CA. Kinetic model of poly(3-hydroxybutyrate) thermal degradation from experimental non-isothermal data. J Therm Anal Calorim. 2009;96:287–91.

    Article  CAS  Google Scholar 

  11. Wang Y, Ren H, Liu W, Run M, Zhang H. Thermal stability and thermal degradation kinetics of poly(ethylene 2, 6-naphthalate)/poly(trimethylene terephthalate) blends. J Mater Sci. 2009;44:170–8.

    Article  Google Scholar 

  12. Budrugeac P. Kinetics of the complex process of thermo-oxidative degradation of poly(vinyl alcohol). J Therm Anal Calorim. 2008;92:291–6.

    Article  CAS  Google Scholar 

  13. Vyazovkin S, Sbirrazzuoli N. Isoconversional kinetic analysis of thermally stimulated processes in polymers. Macromol Rapid Commun. 2006;27:1515–32.

    Article  CAS  Google Scholar 

  14. Achilias DS, Sideridou ID. Kinetics of the benzoyl peroxide/amine initiated free-radical polymerization of dental dimethacrylate monomers: experimental studies and mathematical modelling for TEGDMA and Bis-EMA. Macromolecules. 2004;37:4254–65.

    Article  CAS  Google Scholar 

  15. Sideridou ID, Achilias DS, Kyrikou E. Thermal expansion characteristics of light-cured dental resins and resin composites. Biomaterials. 2004;25:3087–97.

    Article  CAS  Google Scholar 

  16. Sideridou ID, Achilias DS. Elution study of unreacted BisGMA, TEGDMA, UDMA and BisEMA from light-cured dental resins and resin composites using HPLC. J Biomed Mater Res B. 2005;74B:617–26.

    Article  CAS  Google Scholar 

  17. Sideridou ID, Achilias DS, Karava O. Reactivity of benzoyl peroxide/amine system as an initiator for the free radical polymerization of dental and orthopaedic dimethacrylate monomers: effect of the amine and monomer chemical structure. Macromolecules. 2006;39:2072–80.

    Article  CAS  Google Scholar 

  18. Sideridou ID, Achilias DS, Karabela MM. Sorption kinetics of ethanol/water solution by dimethacrylate-based dental resins and resin composites. J Biomed Mater Res B. 2007;81B:207–18.

    Article  CAS  Google Scholar 

  19. Peterson JD, Vyazovkin S, Wight CA. Kinetics of the thermal and thermo-oxidative degradation of polystyrene, polyethylene and polypropylene. Macromol Chem Phys. 2001;202:775–84.

    Article  CAS  Google Scholar 

  20. Friedman HL. Kinetics of thermal degradation of char-forming plastics from thermogravimetry. Application to phenolic plastic. J Polym Sci C. 1964;C6:183.

    Google Scholar 

  21. Flynn JH, Wall LA. General treatment of thermogravimetry of polymers. J Res Natl Bur Stand. 1966;70A:487.

    Google Scholar 

  22. Ozawa T. A new method of analyzing thermogravimetric data. Bull Chem Soc Jpn. 1965;38:1881.

    Article  CAS  Google Scholar 

  23. Vyazovkin S, Dollimore D. Linear and nonlinear procedures in isoconversional computations of the activation energy of nonisothermal reactions in solids. J Chem Inf Comput Sci. 1996;36:42–5.

    CAS  Google Scholar 

  24. Vyazovkin S. Modification of the integral isoconversional method to account for variation in the activation energy. J Comput Chem. 2001;22:178–83.

    Article  CAS  Google Scholar 

  25. Vyazovkin S. Evaluation of activation energy of thermally stimulated solid-state reactions under arbitrary variation of temperature. J Comput Chem. 1997;18:393–402.

    Article  CAS  Google Scholar 

  26. Peterson JD, Vyazovkin S, Wight CA. Kinetic study of stabilizing effect of oxygen on thermal degradation of poly(methyl methacrylate). J Phys Chem B. 1999;103:8087–92.

    Article  CAS  Google Scholar 

  27. Chrissafis K, Paraskevopoulos KM, Bikiaris DN. Thermal degradation kinetics of the biodegradable aliphatic polyester poly(propylene succinate). Polym Degrad Stab. 2006;91:60–8.

    Article  CAS  Google Scholar 

  28. Lefebvre J, Mamleev V, Le Bras M, Bourbigot S. Kinetic analysis of pyrolysis of cross-linked polymers. Polym Degrad Stab. 2005;88:85–91.

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Laboratory of Organic Chemical Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54 124, Thessaloniki, Greece

    Dimitris S. Achilias, Maria M. Karabela & Irini D. Sideridou

Authors
  1. Dimitris S. Achilias
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Maria M. Karabela
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Irini D. Sideridou
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Dimitris S. Achilias.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Achilias, D.S., Karabela, M.M. & Sideridou, I.D. Thermal degradation and isoconversional kinetic analysis of light-cured dimethacrylate copolymers. J Therm Anal Calorim 99, 917–923 (2010). https://doi.org/10.1007/s10973-009-0526-1

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10973-009-0526-1

Keywords

Search

Navigation