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    • 2. 发明公开
    • Resin composition and method for producing the same
    • Harzzusammensetzung und Verfahren zur Herstellung
    • EP1505119A1
    • 2005-02-09
    • EP04016466.7
    • 2004-07-13
    • Kuraray Co., Ltd.
    • Nakano, KenjiUchiumi, NaohikoIkeda, Kaoru
    • C08L31/04C08L23/08C08L29/04C08K3/00C08K5/09C08K5/098
    • C08L29/04C08K13/02C08L23/0815C08L23/0861C08L2205/02Y10T428/1352C08L2666/06C08L2666/04
    • The present invention is directed to a resin composition superior in barrier properties and also superior in flexibility, secondary processability and interlayer adhesiveness. The present invention is also directed to an environmentally friendly method for producing a resin composition, the method releasing no carboxylic acid such as acetic acid to the peripheral environment. The invention provides an EVOH resin composition (F) which has a content of an alkali metal salt (A), in terms of the alkali metal, of 0.1 to 20 µmol/g and a content of a carboxyl acid or its salt (C), in terms of carboxylate radical, of 2 µmol/g or less and which has an ethylene content of 5 to 60 mol% and a saponification degree of from 80 to 99 mol%. In addition, the invention provides a resin composition comprising the EVOH resin composition (F) and an EVOH having an ethylene content of 5 to 60 mol% and a degree of saponification of 99.2 to 100 mol%.
    • 本发明涉及一种阻隔性优异,柔软性,二次加工性,层间粘合性优异的树脂组合物。 本发明还涉及一种用于生产树脂组合物的环境友好的方法,该方法不向周围环境中不释放乙酸等羧酸。 本发明提供一种EVOH树脂组合物(F),其碱金属盐的碱金属盐(A)的含量为0.1〜20μmol/ g,羧酸或其盐(C ),羧酸根自由基为2μmol/ g以下,乙烯含量为5〜60mol%,皂化度为80〜99mol%。 另外,本发明提供了包含EVOH树脂组合物(F)和乙烯含量为5〜60摩尔%,皂化度为99.2〜100摩尔%的EVOH的树脂组合物。