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Published: September 30, 2004
Application: In the film industry, a selected set of circumstances and certain types of stabilizers can lead to discoloration due to inadequate stabilizer concentrations, harsh processing conditions, improper selection of white pigments, prolonged storage in a environment containing oxides of nitrogen (pollution), and even lengthy exposure to fluorescent lighting. A new approach to the problem with “phenol free” stabilization systems can suppress post extrusion discoloration in clear and white pigmented films.