| 摘要 |
PURPOSE: A producing method for a foam product is provided to reduce cost by using recycled polyethylene and to prevent environmental pollution. CONSTITUTION: To produce a foam product, 1 to 70wt% of a recycled polyethylene raw material and 30 to 99wt% of polyethylene raw material are mixed together. Herein, 2 to 25wt% of an additive such as a cross linking agent, a foaming agent, or an incombustible agent is added to the mixture and molten with the mixture. After that, the mixture is extruded, filtered, formed, and cooled with air to be a foam product. A stainless steel filter is installed in a discharge outlet of an extruder to filter foreign matters in the mixture.
|
