RECYCLE METHOD OF WASTE PLASTIC

To provide a method for recycling as a high quality ethylene-vinyl alcohol copolymer useful for a plastic or rubber adhesive, a compatibility accelerator, and a resin modifier, by simply and efficiently hydrolyzing a used or wasted cross-linked ethylene-vinyl acetate copolymer.SOLUTION: Provided is...

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Bibliographische Detailangaben
Hauptverfasser:	KODA SHINGO, HARUNARI TAKESHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a method for recycling as a high quality ethylene-vinyl alcohol copolymer useful for a plastic or rubber adhesive, a compatibility accelerator, and a resin modifier, by simply and efficiently hydrolyzing a used or wasted cross-linked ethylene-vinyl acetate copolymer.SOLUTION: Provided is a method for recycling as an ethylene-vinyl alcohol copolymer with a gel fraction of 20 wt.% or less, by hydrolyzing used or wasted crosslinked ethylene-vinyl acetate copolymer.SELECTED DRAWING: None 【課題】本発明は、使用済み又は廃棄された架橋エチレン－酢酸ビニル共重合体を、簡便かつ効率的に加水分解させ、プラスチックスやゴムの接着剤、相溶化剤、樹脂改質剤などに有用である高品質なエチレン－ビニルアルコール共重合体としてリサイクルする方法を提供する。【解決手段】使用済み又は廃棄された架橋エチレン－酢酸ビニル共重合体を加水分解させることにより、ゲル分率が２０重量％以下であるエチレン－ビニルアルコール共重合体としてリサイクルする方法。【選択図】なし