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Development of lignin as a transparent resin: Evaluation of thermal and optical properties of alkoxylated lignophenols
- Source :
- Polym. J.. 42:896-900
- Publication Year :
- 2010
-
Abstract
- Hydroxyl-group-alkoxylated lignophenols (LPs) with various types of alkyl halides were prepared by Williamson ether synthesis to reutilize lignin, an industrial waste material, and make it processable. As compared with raw LP, alkoxylated LPs exhibited good organosolubility and thermal stability (temperatures at 5% loss in weight were estimated to be more than 330 °C by thermogravimetric analyses). Alkoxylated LPs could also form transparent thin films; in particular, films of hexyloxyl LPs exhibited high refractive indices (≈1.55) similar to that of bisphenol A-based poly(carbonate) (PC). Furthermore, these films had lower birefringence (
- Subjects :
- chemistry.chemical_classification
Thermogravimetric analysis
Polymers and Plastics
Chemistry
Bisphenol
Chemical modification
Williamson ether synthesis
chemistry.chemical_compound
Chemical engineering
Polymer chemistry
Materials Chemistry
Phenol
Lignin
lipids (amino acids, peptides, and proteins)
Thermal stability
Alkyl
Subjects
Details
- Language :
- English
- Volume :
- 42
- Database :
- OpenAIRE
- Journal :
- Polym. J.
- Accession number :
- edsair.doi.dedup.....d202e8870d5c3d9e7c38a3646438d91c