Skip to main content
SpringerLink
Log in

Quantitative analysis of biodegradable amphiphilic poly(L-lactide)-block-poly(ethyleneglycol)-blockpoly(L-lactide) by using TG, FTIR and NMR

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

Abstract

The thermogravimetric analysis (TG) of two series of tri-block copolymers based on poly(L,L-lactide) (PLLA) and poly(ethyleneglycol) (PEG) segments, having molar mass of 4000 or 600 g mol–1, respectively, is reported. The prepared block copolymers presented wide range of molecular masses (800 to 47500 g mol–1) and compositions (16 to 80 mass% PEG). The thermal stability increased with the PLLA and/or PEG segment size and the tri-block copolymers prepared from PEG 4000 started to decompose at higher temperatures compared to those copolymers from PEG 600. The copolymers compositions were determined by thermogravimetric analysis and the results were compared to other traditional quantitative spectroscopic methods, hydrogen nuclear magnetic resonance spectrometry (1HNMR) and Fourier transform infrared spectrometry (FTIR). The PEG 4000 copolymer compositions calculated by TG and by 1HNMR, presented differences of 1%, demonstrating feasibility of using thermogravimetric analysis for quantitative purposes.

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. FD Kopinke M Remmler M Moder O Wachsen (1996) Polym. Degrad. Stab. 53 29

    Google Scholar 

  2. S Han C Kim D Kwon (1997) Polymer 38 317 Occurrence Handle1:CAS:528:DyaK2sXotF2ntg%3D%3D Occurrence Handle10.1016/S0032-3861(97)88175-X

    Article  CAS  Google Scholar 

  3. S Han C Kim D Kwon (1995) Polym. Degrad. Stab. 47 203 Occurrence Handle1:CAS:528:DyaK2MXkvVOht7w%3D Occurrence Handle10.1016/0141-3910(94)00109-L

    Article  CAS  Google Scholar 

  4. JF Turner II A Riga A O’Connor J Zhang J Collis (2004) J. Therm. Anal. Cal. 75 257 Occurrence Handle10.1023/B:JTAN.0000017347.08469.b1

    Article  Google Scholar 

  5. Y Wang JF Mano (2005) J. Therm. Anal. Cal. 80 171 Occurrence Handle1:CAS:528:DC%2BD2MXktl2ksrY%3D Occurrence Handle10.1007/s10973-005-0631-8

    Article  CAS  Google Scholar 

  6. RCS Araújo VMD Pasa (2002) J. Therm. Anal. Cal. 67 313 Occurrence Handle10.1023/A:1013906611861

    Article  Google Scholar 

  7. F Cilurzo F Selmin V Liberti L Montanari (2005) J. Therm. Anal. Cal. 79 9 Occurrence Handle1:CAS:528:DC%2BD2MXhs1agsrk%3D Occurrence Handle10.1007/s10973-004-0554-9

    Article  CAS  Google Scholar 

  8. S D’Antone F Bignotti L Sartore A D’Amore G Spagnoli M Penco (2001) Polym. Degrad. Stab. 74 119 Occurrence Handle1:CAS:528:DC%2BD3MXmvVGnt78%3D Occurrence Handle10.1016/S0141-3910(01)00110-0

    Article  CAS  Google Scholar 

  9. N Bhattarai HY Kim DR Lee (2002) Polym. Degrad. Stab. 78 423 Occurrence Handle1:CAS:528:DC%2BD38XotVyrtLs%3D Occurrence Handle10.1016/S0141-3910(02)00178-7

    Article  CAS  Google Scholar 

  10. W-C Lai W-B Liau (2003) Polymer 44 8103 Occurrence Handle1:CAS:528:DC%2BD3sXpt1Kltrs%3D Occurrence Handle10.1016/j.polymer.2003.10.035

    Article  CAS  Google Scholar 

  11. CG Mothé WS Drumond SH Wang (2006) Thermochim. Acta 445 61 Occurrence Handle10.1016/j.tca.2006.01.001

    Article  Google Scholar 

  12. M Penco F Bignotti S Sartore S D’Antone A D’Amore (2000) J. Appl. Polym. Sci. 78 1721 Occurrence Handle1:CAS:528:DC%2BD3cXnt12nsr0%3D Occurrence Handle10.1002/1097-4628(20001205)78:10<1721::AID-APP20>3.0.CO;2-6

    Article  CAS  Google Scholar 

  13. F Khabbaz S Karlsson AC Albertsson (2000) J. Appl. Polym. Sci. 78 2369 Occurrence Handle1:CAS:528:DC%2BD3cXnvVOmurY%3D Occurrence Handle10.1002/1097-4628(20001220)78:13<2369::AID-APP140>3.0.CO;2-N

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Metallurgical and Materials Engineering, Polytechnic School, University of São Paulo, São Paulo, Brazil, 05508-900

    Drumond W. S. & Wang S. H.

  2. Department of Organic Process, School of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil, 21949-900

    Mothé C. G.

Authors
  1. Drumond W. S.
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Mothé C. G.
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Wang S. H.
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Wang S. H..

Rights and permissions

Reprints and permissions

About this article

Cite this article

Drumond, W.S., Mothé, C.G. & Wang, S.H. Quantitative analysis of biodegradable amphiphilic poly(L-lactide)-block-poly(ethyleneglycol)-blockpoly(L-lactide) by using TG, FTIR and NMR. J Therm Anal Calorim 85, 173–177 (2006). https://doi.org/10.1007/s10973-005-7341-0

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10973-005-7341-0

Keywords

Search

Navigation