Radiation-induced graft polymerization of chitosan onto poly(3-hydroxybutyrate).
作者： Maykel González Torres , Susana Vargas Muñoz , Silvia G Solís Rosales , Ma del Pilar Carreón-Castro , Rodrigo Alonso Esparza Muñoz
DOI: 10.1016/J.CARBPOL.2015.07.032
关键词:
摘要: Chitosan is among the most studied biopolymers and offers important advantages, such as biodegradability, biocompatibility nontoxicity. In this study, polysaccharide was grafted onto poly(3-hydroxybutyrate) using simultaneous gamma-irradiation-initiated polymerization method. The polyester immersed in diverse solvents, which allowed preparation of graft copolymers with different yields crystallinities. A successful synthesis estimation degree crystallinity were verified by spectroscopic calorimetric techniques. suitable method found to be thermoanalytical approach because it displayed a linear relationship between increasing grafting. results also indicated that lowest grafting seen for acetic acid (14.27%), while highest corresponded ethyl acetate (32.11%). mechanism proposed on basis experimental results.
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