Method for preparing ethylene-vinyl acetate with low melt index

The present invention relates to a method for preparing an ethylene-vinyl acetate (EVA) having a melt index of 10 g/10min or less that includes: applying an electron beam with an exposure dose of 1 to 25 kGy to an ethylene-vinyl acetate resin composition including an ethylene-vinyl acetate resin hav...

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Bibliographische Detailangaben
Hauptverfasser:	CHOI TAE YANG, LEE JAE HO, KIM KWAN YOUNG
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a method for preparing an ethylene-vinyl acetate (EVA) having a melt index of 10 g/10min or less that includes: applying an electron beam with an exposure dose of 1 to 25 kGy to an ethylene-vinyl acetate resin composition including an ethylene-vinyl acetate resin having a vinyl acetate content of 15 to 50 wt%. The ethylene-vinyl acetate prepared has a high vinyl acetate content to secure good properties with regard to transparency, elasticity, or the like, consequently having high processability and good mechanical properties such as a low melt index and thus can be applied to various industrial uses.