Journal
POLYMER DEGRADATION AND STABILITY
Volume 132, Issue -, Pages 21-31Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2016.05.004
Keywords
Polyurethane elastomers; Soybean oil; Hard segments; Molar ratio
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Funding
- National Research and Development Centre [NCBiR/ERA-NET-MATERA/06/2011]
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The aim of this work was to determination of the influence of different molar mass of used soybean oil (SO)- based polyols on the properties of tested polyurethane elastomers (PUR), with a different content of hard segments (HS). The chemical structure and degree of phase separation of tested materials were characterized via Fourier transform infrared spectroscopy (FTIR). The thermal properties were determined by thermogravimetry (TGA) and differential scanning calorimetry (DSC). The mechanical properties were tested by dynamic mechanical thermal analysis (DMTA) and by static tensile test. Also hardness and wear resistance were carried out. The replacement of the petrochemical polyol by soy based polyol make changes in chemical constitutions and thermal decomposition of PURs. PURs with SO polyol with lower molar mass had a higher thermal resistance, mechanical and physico-mechanical properties. (C) 2016 Elsevier Ltd. All rights reserved.
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