| 摘要 |
PURPOSE:To provide an ethylene/pentene-1 copolymer composition excellent in heat stability during molding, long-term heat stability and weathering resistance. CONSTITUTION:An ethylene/pentene-1 copolymer composition which comprises an ethylene/pentene-1 copolymer having a melt flow rate of 0.01-100g/10min, a density of 0.87-0.96g/cm<3> and a content of the structural units derived from pentene-1 of 1-25wt.% and satisfying the formula: RS>=-20logMFR-1000d+968 (wherein RS is the ratio of the impact strength of a 40mum-thick film obtained by casting to the tearing strength of the film in the direction of take-up) and a hindered amine stabilizer. |
