COMPARISON STUDY OF Ni AND CO2 AS PHYSICAL BLOWING AGENTS FOR INJECTION FOAM MOLDED WOOD-FIBER PLASTIC COMPOSITE

摘要

Due to rising environmental concerns, the plastic industry has been seeking bio-plastics that can replace current plastics. Efforts are continuously being made to reduce weight and cost without a major compromise to required properties. Foaming can offer a plastic with significant weight reduction. There has been research to evaluate the effects of chemical blowing agents (CBAs) on wood-fiber plastic composites (WPC). Although physical blowing agents (PBAs) have a number of advantages, their effects on WPC have not been fully investigated. Therefore, this research utilizes N2 and CO2 to analyze their effects on the foaming and mechanical properties of injection foam molded WPCs.