Гидролитическая деструкция биополимерных систем на основе поли-3-оксибутирата. Кинетический и структурный аспектыстатья
Статья опубликована в журнале из списка RSCI Web of Science
Статья опубликована в журнале из перечня ВАК
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 1 августа 2019 г.
Аннотация:The aim of this work is the registration and the comparison of long-term kinetics of polymer systems' hydrolysis, namely, bacterial poly(3-hydroxybutyrate) (PHB), its copolymer with 3-hydroxyvaleriate, and the blend PHB with polylactide (PLA). The total weight loss and an averaged viscosity molecular weight (Mw) have been used as the control of hydrolytic destruction degree. The morphology of PHB surface has been elucidated by AFM technique. It was shown that kinetic profile of destruction depends on incubation medium (buffer nature), temperature, polymer Mw, and macromolecular content (ratio HB/HV). The AFM technique confirms the competition between surface and volume hydrolytic process of PHB samples.