Understanding intrinsic plasticizer in vegetable oil-based polyurethane elastomer as enhanced biomaterial

Ahmad Syafiq Ahmad Hazmi, Nik Nurfatmah Pz Nik Pauzi, Zulina Abd. Maurad, Luqman Chuah Abdullah, Min Min Aung, Azizan Ahmad, Mek Zah Salleh, Rida Tajau, Mohd Hilmi Mahmood, Syahrina Elliyana Saniman

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Abstract: Renewable polyol is of increasing interest as a building block in biomedical elastomer for bearing biodegradable ester group and immaculate functionality. Derived from non-edible vegetable oil, a new class of elastomer was successfully functionalized with MDI and TDI. Crosslink densities were varied by regulating ratio of hydroxyl to diisocyanate (r) at 1/1.0, 1/1.1, and 1/1.2. Produced elastomers were examined by crosslink density, attenuated total reflectance Fourier transform infrared spectroscopy, differential scanning calorimetry, thermogravimetric analysis, dynamic mechanical analysis, tensile testing, and scanning electron microscopy. The obtained elastomers had subambient glass transition temperature (Tg) suggested majority soft segment that acted as a continuous phase with intermediate phase separation. Medium conversion at gel point had enhanced physical properties. Highly elastic mechanical behavior was afforded from combination of side chains and high molecular weight polyol. At r = 1/1.2, MDI-based elastomer showed twofold improvement in Young modulus at slight expense of elongation. TDI-based elastomer accomplished elongation beyond 162%. Branching allophanate and biuret resisted early thermal breakdown by elevating activation energy. Frequency response and kinetic of thermal degradation provided beneficial perspective for elastomer characterization. The vegetable oil-based polyurethane was found able to resemble most of the physical properties of polycaprolactone (PCL)-derived polyurethane. Graphical Abstract: [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)1-15
Number of pages15
JournalJournal of Thermal Analysis and Calorimetry
DOIs
Publication statusAccepted/In press - 6 Jun 2017

Fingerprint

Elastomers
Plasticizers
vegetables
Polyurethanes
Plant Oils
plasticizers
Biocompatible Materials
elastomers
oils
elongation
Elongation
Bearings (structural)
Biuret
Physical properties
physical properties
diisocyanates
thermal degradation
Tensile testing
Dynamic mechanical analysis
Phase separation

Keywords

  • Biomaterial
  • Degradation kinetic
  • Frequency response
  • Mechanical properties
  • Polyurethane elastomer
  • Thermal properties

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

Cite this

Ahmad Hazmi, A. S., Nik Pauzi, N. N. P., Abd. Maurad, Z., Abdullah, L. C., Aung, M. M., Ahmad, A., ... Saniman, S. E. (Accepted/In press). Understanding intrinsic plasticizer in vegetable oil-based polyurethane elastomer as enhanced biomaterial. Journal of Thermal Analysis and Calorimetry, 1-15. https://doi.org/10.1007/s10973-017-6459-1

Understanding intrinsic plasticizer in vegetable oil-based polyurethane elastomer as enhanced biomaterial. / Ahmad Hazmi, Ahmad Syafiq; Nik Pauzi, Nik Nurfatmah Pz; Abd. Maurad, Zulina; Abdullah, Luqman Chuah; Aung, Min Min; Ahmad, Azizan; Salleh, Mek Zah; Tajau, Rida; Mahmood, Mohd Hilmi; Saniman, Syahrina Elliyana.

In: Journal of Thermal Analysis and Calorimetry, 06.06.2017, p. 1-15.

Research output: Contribution to journalArticle

Ahmad Hazmi, AS, Nik Pauzi, NNP, Abd. Maurad, Z, Abdullah, LC, Aung, MM, Ahmad, A, Salleh, MZ, Tajau, R, Mahmood, MH & Saniman, SE 2017, 'Understanding intrinsic plasticizer in vegetable oil-based polyurethane elastomer as enhanced biomaterial', Journal of Thermal Analysis and Calorimetry, pp. 1-15. https://doi.org/10.1007/s10973-017-6459-1
Ahmad Hazmi, Ahmad Syafiq ; Nik Pauzi, Nik Nurfatmah Pz ; Abd. Maurad, Zulina ; Abdullah, Luqman Chuah ; Aung, Min Min ; Ahmad, Azizan ; Salleh, Mek Zah ; Tajau, Rida ; Mahmood, Mohd Hilmi ; Saniman, Syahrina Elliyana. / Understanding intrinsic plasticizer in vegetable oil-based polyurethane elastomer as enhanced biomaterial. In: Journal of Thermal Analysis and Calorimetry. 2017 ; pp. 1-15.
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