| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject composition capable of preventing production of resin waste deposited near the outlet of extruder when formed into an infla tion film and enabling stable film forming operation over a long time, by incor porating a specific high-density polyethylene with a specific fluorine-based processing agent and other ingredients. SOLUTION: This resin composition is obtained by incorporating (A) 100 pts.wt. of a high-density polyethylene 0.01-0.2g/10min in melt flow index with (B) 0.01-0.1 pts.wt. of a fluorine-based processing agent 2-4μm in cumulative 50wt.% particle diameter (D50 ) determined by sedimentation method with particles <=5μm in diameter accounting for >=99wt.% of the total particles (pref. polytetrafluoroethylene), (C) 0.05-0.15 pts.wt. of a phenolic antioxidant (pref. tetrakis[methylene-3(3,5-di-t-butyl-4-hydroxyphenyl)propionate]methane) and (D) 0.01-0.10 pts.wt. of a phosphorus-based antioxidant (pref. tris(2,4-di-t- butylphenyl)phosphite). |
