A chemoenzymatic approach was developed to prepare sucrose-containing aromatic polymers. The protease from Bacillus licheniformis catalyzed the transesterification of sucrose with a diester of terephthalic acid in pyridine to give the mono-and diester products. At 45Β°C, >70% of sucrose was consumed
Preparation and properties of polymers of carboxylated polybutadiene containing sucrose
β Scribed by C. Alvarez; M. Strumia; H. Bertorello
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 189 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0170-0839
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Polyimides containing polybutadiene blocks were prepared by copolycondensation of benzophenone-3,3',4,4'-tetracarboxylic dianhydride, diphenylmethane-4,4'-diisocyanate and isocyanate-endcapped polybutadiene LBD-3000. 13 C NMR CP-MAS and FTIR spectroscopies were used to determine the chemical structu
## Abstract Poly(sulfenyl thiocarbonates) have been prepared for the first time by the stepwise condensation of chlorocarbonylsulfenyl chloride with diols and dithiols. The polymers were obtained in high yield. Generally they were crystalline solids and were soluble in chlorinated hydrocarbons. On