Raman microspectroscopy study of structure, dispersibility, and crystallinity of poly(hydroxybutyrate)/poly(l-lactic acid) blends
β Scribed by Tsuyoshi Furukawa; Harumi Sato; Rumi Murakami; Jianming Zhang; Isao Noda; Shukichi Ochiai; Yukihiro Ozaki
- Book ID
- 108249398
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 593 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0032-3861
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## Abstract Poly (Lβlactic acid) (PLA) is a biodegradable polymer with slow crystallization rate. Oligomers of 3βhydroxybutyrate (OHB) and dendrimers of hydroxyalkanoic acids with different molecular weights were blended with PLA in a hope to improve the crystallization ability and thermal stabilit
The miscibility of binary blends of bacterial poly[(R)-3-hydroxybutyric acid] {P[(R)-3HB]} (Mw = 650 000) with poly[(S)-lactic acid] {P[(S)-LA]} of various molecular weights (Mw = 9900-530 000) have been studied by means of differential scanning calorimetry (d.s.c.). D.s.c. analysis revealed that th