1. Anon. (2011) Markets and Markets market report #CH 1596: MDI, TDI and polyurethane market by type, applications, prices, regulations trends and global forecasts 2011–2016. Publishing Date: July 2011
2. Global Industry Analysis, Inc. (2011) Foamed plastics (polyurethane)—a global strategic business report. #MCP-2069. Released in February 2011
3. Howard GT (2002) Biodegradation of polyurethane: a review. Int Biodeterior Biodegradation 49:245–252
4. Urgun-Demirtas M, Singh D, Pagilla K (2007) Laboratory investigation of biodegradability of a polyurethane foam under anaerobic conditions. Polym Degrad Stab 92:1599–1610
5. Lichtenberg F (2002) The environmental fate of TDI/MDI-based polyurethane foams, Alliance for the polyurethanes industry, Proceedings of the technical program of the polyurethane foam association meeting, Arlington, May 9, 2002