The Degradation of Polyesteramide Carbon Nanotube Composites

Abstract:

Polyesteramides (PEA) has both good heat resistance and degradability properties. In recent years, the Preparation of carbon nanotubes have became relatively advanced, but the reports of degradable nanocomposites and patents are less. In this paper, PEA/MWNTs (multi-walled carbon nanotubes) were synthesized using the in situ polymerization method, and the degradation in the air and alkaline was studied. The results show that MWNTs can be uniformly dispersed in the composited polyesteramides, the addition of MWNTs reduced the thermal properties of the PEA/MWNTs in the air. The PEA/MWNTs heat resistance and degradation rate in an alkaline solution were apparent changed in the content of the MWNTs is 0.7wt%.

• Periodical: Key Engineering Materials (Volumes 562-565)
• Pages: 785-789
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.562-565.785
• Online since: July 2013
• Authors: Yi He, Peng Hai, Lan Ma, Jin Bo Li
• Keywords: Carbon Nanotube (CN), Degradation, Nanocomposition, Polyesteramide

References

[1] Z.Y. Qian, S. Li, Y. He, H.L. Zhang and X.B. Liu, Hydrolytic degradation study of biodegradable polyesteramide copolymers based on caprolactone and 11-aminoundecanoic acid, Biomaterials ,2004,25:1975–1981.

DOI: 10.1016/s0142-9612(03)00604-5

[2] Z.Y. Qian, S. Li, H.L. Zhang and X.B. Liu, Synthesis, characterization and in vitro degradation of biodegradable polyesteramide based on lactic acid, Colloid Polym. Sci. 2003, 281(9): 869–875.

DOI: 10.1007/s00396-002-0846-1

[3] Y. He, Z.Y. Qian, H.L. Zhang, X.B. Liu. Alkaline degradation behavior of polyesteramide fibers: surface erosion. Colloid and Polymer Science, 2004, 282: 972-978

DOI: 10.1007/s00396-003-1011-1

[4] Yi He, Xiaobo Liu, Daowen Luo, Wenjing Chen, Biodegradable Polyetheresteramides Synthesized from e-Caprolactone, 6-Aminocaproic Acid, and Poly (ethylene glycol), Journal of Applied Polymer Science, Vol. 108(2008), 1689–1695

DOI: 10.1002/app.27737

[5] Ajayan PM. Nanotubes from carbon. Chem Rev 1999; 99:1787-1799.

[6] Sumitomo Chemical Co. Biodegradable resin composition, film and molding. WO 9520013.

[7] Lozano K, Bonilla-Rios J, Barrera EV. A study on nanofiber-reinforced thermoplastic composites. J Appl Polym Sci 2001; 80: 1162-1172.

DOI: 10.1002/app.1200

[8] Agrawal CM, Best J, Heckman JD, Boyan BD. Protein release kinetics of a biodegradable implant for fracture non-unions. Biomaterials 1995; 16(16): 1255–1260.

DOI: 10.1016/0142-9612(95)98133-y

[9] Agrawal CM, [32] Athanasiou KA. Technique to control pH in vicinity of biodegrading PLA-PGA implants. J Biomed Mater Res (Appl Biomater) 1997; 38: 105-14.

DOI: 10.1002/(sici)1097-4636(199722)38:2<105::aid-jbm4>3.0.co;2-u