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- Title
Polylactide foams prepared by a traditional chemical compression-molding method.
- Authors
Luo, Yu; Zhang, Jiuli; Qi, Rongrong; Lu, Jiaqi; Hu, Xinli; Jiang, Pingkai
- Abstract
To reduce environmental pollution and oil shortages, biodegradable polylactide (PLA) from plants was used to replace synthetic plastic from petroleum. In this study, high-melt-viscosity PLA was achieved through the in situ reaction of carboxyl-ended polyester (CP) and solid epoxy (SE) first; then, PLA foams were successfully prepared by a chemical compression-molding method. The detailed foaming factors were also studied, including the decomposition temperature of the blowing agent, the foam temperature, and the open-mold temperature. The results reveal that the obtained PLA foams had good water absorption and degradable properties, and the foam density was low as 0.16 g/cm3. Moreover, the effects of the CP/SE concentration and the AC content on the properties of the foams were also investigated. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
- Subjects
PLASTIC foams; COMPRESSION molding; BIODEGRADABLE plastics; TEMPERATURE effect; VISCOSITY; BIODEGRADATION; POLYMERS
- Publication
Journal of Applied Polymer Science, 2013, Vol 130, Issue 1, p330
- ISSN
0021-8995
- Publication type
Article
- DOI
10.1002/app.39023