| 摘要 |
PURPOSE:To obtain the title film consisting of a polyester resin composition composed of a polyethylene terephthalate resin and copolymer polyester resin having a specific draw ratio in vertical and horizontal directions and a specific area draw ratio and having excellent gas barrier property and impact strength, etc. CONSTITUTION:The objective film consisting of a polyester resin composition composed of (A) 80-95wt.% polyethylene terephthalate resin containing >=80mol% ethylene terephthalate unit and (B) 5-20wt.% copolymer polyester consisting of (i) a dicarboxylic acid unit composed of 20-100wt.% isophthalic acid component unit and 0-80wt.% terephthalic acid component unit and (ii) dihydroxy compound unit composed of 5-90wt.% dihydroxyethoxyresolcinol component unit and 10-95wt.% ethylene glycol component unit and having >=2.8 draw ratio in vertical and horizontal directions and >=7.84 area draw ratio. |
