Synthesis and characterization of novel value added biodegradable poly(aleuritic acid) from renewable resources (shellac) and invertible amphiphilic behaviors in various solvents
| Autor: | A. K. Pandey, Smita S. Nande, Baijayantimala Garnaik, Balaji S. Selukar |
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| Rok vydání: | 2010 |
| Předmět: |
Materials science
Polymers and Plastics General Chemical Engineering Micelle Biodegradable polymer Catalysis chemistry.chemical_compound chemistry Polymerization visual_art Shellac Polymer chemistry Amphiphile Magic angle spinning visual_art.visual_art_medium Organic chemistry Physical and Theoretical Chemistry Aleuritic acid |
| Zdroj: | e-Polymers. 10 |
| ISSN: | 1618-7229 2197-4586 |
| DOI: | 10.1515/epoly.2010.10.1.1476 |
| Popis: | A novel biodegradable polymer poly(aleuritic acid) (PAA) ( M̄w 120,000) was prepared from aleuritic acid, which was obtained from renewable resources (Lac) by using tin catalyst. Aleuritic acid (AL) was protected at 9, 10 position by dimethoxy propane. The protected AL (Pro.AL) was further polymerized to obtain linear protected polyaleuritic acid (PAL) by dehydropolycondensation. Effects of various kinetic and thermodynamic parameters were studied. After polymerization, the deprotection of PAL was carried out. The synthesized PAL and PAA were characterized by using various techniques such as FT-IR, LC-MS, SEC, NMR (1H and 13C), 13C CP/MAS (Cross Polarization / Magic Angle Spinning) of solid PAA, DSC, SEM and TEM etc. The micelle and inverted micelle -structure in polar and nonpolar solvents are highlighted. |
| Databáze: | OpenAIRE |
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