Fast pyrolysis bio-oil from lignocellulosic biomass for the development of bio-based cyanate esters and cross-linked networks
| Autor: | Mehul Barde, Charles W. Edmunds, Maria L. Auad, Nicole Labbé |
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| Rok vydání: | 2019 |
| Předmět: |
Aqueous solution
Materials science Polymers and Plastics 020209 energy Organic Chemistry Lignocellulosic biomass Bio based 02 engineering and technology 021001 nanoscience & nanotechnology Cyanate chemistry.chemical_compound Chemical engineering chemistry Cyanate ester Phase (matter) Yield (chemistry) 0202 electrical engineering electronic engineering information engineering Materials Chemistry 0210 nano-technology Pyrolysis |
| Zdroj: | High Performance Polymers. 31:1140-1152 |
| ISSN: | 1361-6412 0954-0083 |
| DOI: | 10.1177/0954008319829517 |
| Popis: | Fast pyrolysis of pine wood was carried out to yield a liquid bio-oil mixture that was separated into organic and aqueous phases. The organic phase (ORG-bio-oil) was characterized by gas chromatography–mass spectroscopy, 31P-nuclear magnetic resonance spectroscopy, and Fourier transform infrared (FTIR) spectroscopy. It was further used as a raw material for producing a mixture of biphenolic compounds (ORG-biphenol). ORG-bio-oil, ORG-biphenol, and bisphenol-A were reacted with cyanogen bromide to yield cyanate ester monomers. Cyanate esters were characterized using FTIR spectroscopy and were thermally cross-linked to develop thermoset materials. Thermomechanical properties of cross-linked cyanate esters were assessed using dynamic mechanical analysis and compared with those of cross-linked bisphenol-A-based cyanate ester. ORG-biphenol cyanate ester was observed to have a superior glass transition temperature (350–380°C) as compared to bisphenol-A cyanate ester (190–220°C). Cyanate esters derived from bio-oil have the potential to be a sustainable alternative to the bisphenol-A-derived analog. |
| Databáze: | OpenAIRE |
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