PREPARATION OF POLYETHYLENE FOAM

摘要

PURPOSE:To continuously prepare long polyethylene foam of good quality without adding a crosslinking agent such as org. peroxide. CONSTITUTION:A silane coupling agent is added to a polyethylene resin to be grafted thereto and this resin is continuously subjected to extrusion flaming using a chemical foaming agent and the obtained foam is brought into contact with a stannous catalyst to be crosslinked.