Dynamic thermogravimetric degradation of poly(3-hydroxybutyrate)/aliphatic–aromatic copolyester blends
摘要：
The thermal degradation of poly(3-hydroxybutyrate)/aliphatic-aromatic copolyester (PHB/AAC) blends was investigated by the thermogravimetric method under dynamic conditions (50-650°C) in an inert atmosphere. The characteristics of the TG curves were determined ; some of these characteristics can be used as indicators of the thermal stability of the blend. Kinetic parameters (the apparent activation energy, Ea and pre-exponential factor, A) were calculated after Flynn-Wall-Ozawa and Kissinger methods. It is observed that both Ea and A vary in blends. Between ln A and Ea exists the linear relationship and the apparent compensation effect has been found.
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关键词：
PHB/AAC blends dynamic thermogravimetric analysis kinetic parameters Flynn—Wall—Ozawa kissinger
DOI：
10.1016/j.polymdegradstab.2005.02.014
被引量：
年份：
2005
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