Enzymatic synthesis of polyesters from hydroxyl acids
Tipo de material:
TextoSeries ; European Polymer Journal, 35(4), p.721-725, 1999Trabajos contenidos: - Shuai, X
- Jedlinski, Z
- Kowalczuka, M
- Rydza, J
- Tan, H
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With porcine pancreatic lipase (PPL)as catalyst, aliphatic polyesters with hydroxyl and carboxyl end groups were synthesized through polycondensation of 3-hydroxybutyric acid (3-HBA)or 12-hydroxydodecanoic acid (12-HDA). The molecular weight (Mn, number average)of obtained polymers varies from several hundred to several thousand depending on monomer used and reaction conditions as well. Resultant polymers were characterized by IR, 1H- NMR and GPC.
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