| 摘要 |
PURPOSE:To perform molding using a specific extrusion die gap by adding a specific amount of silicone type oil or a fluorocarbon elastomer to a resin composition composed of a specific amount of straight chain polyethylene and high pressure process low density polyethylene. CONSTITUTION:500-5,000ppm of silicone type oil or 100-2,000ppm of a fluorocarbon elastomer is added to a resin composition consisting of 100-60wt.% of L-LDPE and 0-40wt.% of high pressure process low density polyethylene and this composition is formed into a film using a die gap of 1.5-0.3mm to obtain a film easy to process, excellent in appearance and shrunk in both longitudinal and lateral directions. The fluorocarbon elastomer is a polymer or copolymer of fluorinated olefins such as vinylidene fluoride, vinyl fluoride, chlorotrifluoroethylene, tetrafluoroethylene or hexafluoropropylene. |
