1. Commodity plastics, Chem. Eng. News (1998) 15–24.
2. P.R. Gruber, M.H. Hartmann, J.J. Kolstad, D.R. Witzke, A.L. Brosch, Viscosity-modified lactide polymer composition and process for manufacture thereof, US Patent 5,594,095 (1997).
3. Thermal and rheological properties of commercial grade poly(lactic acid)(s);Dorgan;J. Polym. Environ.,2000
4. Biodegradable fibers of poly(l-lactide) produced by high-speed melt spinning and spin drawing;Schmack;J. Appl. Polym. Sci.,1999
5. S. Pauly, Permeability and diffusion data, in: J. Brandrup, E.H. Immergut, E.A. Grulke (Eds.), Polymer Handbook, 4th Edition, Wiley, New York, 1999, pp. 543–569.