Thermooxidative degradation of blends based on poly(3-Hydroxybutyrate). Specifics of the process
β Scribed by Yu. V. Tertyshnaya; L. S. Shibryaeva; A. A. Popov
- Book ID
- 114994388
- Publisher
- Pleiades Publishing
- Year
- 2012
- Tongue
- English
- Weight
- 157 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1990-7931
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## Abstract **Summary:** Blends of high molecular weight poly(__R__β3βhydroxybutyrate) (PHB) ($\overline M \_{\rm w}$β=β352β000 gβΒ·βmol^β1^), comprising of either low molecular weight poly(__R__β3βhydroxybutyrate) (DβPHB) ($\overline M \_{\rm w}$β=β3β900 gβΒ·βmol^β1^) or poly[(__R__β3βhydroxybutyrat
Poly[ (R)-3-hydroxybutyrate] (PHB) was blended with an aliphatic copolyester, which was synthesized by the esterification of adipic acid, ethylene glycol, and lactic acid. The blend showed a single Tg, which varied systematically but convexly upwards with the composition. The growth rate of PHB sph