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    • 69. 发明授权
    • 재가열 성능이 우수한 폴리에스테르 조성물 및 이를포함하는 폴리에스테르 용기
    • 具有良好再加工性能的聚酯组合物和包含其的聚酯瓶
    • KR100797760B1
    • 2008-01-23
    • KR1020060135293
    • 2006-12-27
    • 롯데케미칼 주식회사
    • 신규환한기정
    • C08K3/04C08K3/08
    • C08K3/04B29C49/02B29C2049/024C08K3/08C08K9/02C08L67/02
    • A polyester composition, a method for preparing the polyester composition, an injection molded polyester preform comprising the composition, and a polyester container obtained by blow-molding the preform are provided to improve reheating velocity, thereby saving energy and enhancing productivity. A polyester composition comprises 10-500 ppm of a mixture comprising calcium, tin, iron oxide, carbon black, cobalt and antimony, wherein the content of calcium, tin, iron oxide, carbon black, cobalt and antimony is 0.5-1.5 parts by weight, 0.5-1.5 parts by weight, 4.5-5.5 parts by weight, 4.5-5.5 parts by weight, 4.5-5.5 parts by weight, and 9.5-10.5 parts by weight, respectively. Preferably the mixture comprises further 0.5-1.5 parts by weight of magnesium or 0.5-1.5 parts by weight of titanium.
    • 提供聚酯组合物,制备聚酯组合物的方法,包含该组合物的注塑聚酯预成型体和通过吹塑预成型体获得的聚酯容器以提高再加热速度,从而节约能量并提高生产率。 聚酯组合物包含10-500ppm的包含钙,锡,氧化铁,炭黑,钴和锑的混合物,其中钙,锡,氧化铁,炭黑,钴和锑的含量为0.5-1.5重量份 ,0.5-1.5重量份,4.5-5.5重量份,4.5-5.5重量份,4.5-5.5重量份和9.5-10.5重量份。 优选地,该混合物还包含0.5-1.5重量份的镁或0.5-1.5重量份的钛。