BIOSORB® 1577

BIOSORB^® 1577 is particularly suitable for processing and aging conditions where high loadings, low volatility and good compatibility are required. Such requirements are especially critical for complex moldings, fibers, plain and corrugated sheets, twin wall sheets, thin films, co-injected or coextruded semi-finished parts. Depending on equipment, processing conditions, and polymer types, BIOSORB^® 1577 allows direct two-layer co-extrusion of sheets without the use of a neutral third top layer to prevent sublimation and/or deposits generated by the thin, highly UVA-loaded second layer. Moreover, its very high UV screen activity allows the use of lower concentrations than with traditional UV absorbers. This may be of particular importance when using BIOSORB^® 1577 in high concentration applications. BIOSORB^® 1577 applications include polyalkene terephthalates and naphthalates, linear and branched polycarbontes, modified polyphenylene ether compounds, and various high performance plastics.