Multilayer container having excellent oxygen barrier property
2007
A multilayer container comprising: an inner layer including an olefin resin; an outer layer including an olefin resin; and an intermediate layer provided between the inner layer and the outer layer and consisting of a compositionof barrier resin that absorbs oxygen, wherein the resin composition barrier absorbing oxigenoincluye a resin obtained by blending an oxidizable polymer has ethylenic unsaturated bonds yun oxidation catalyst with the base resin, wherein the container multilayer molded in melt, a thermal analysis of the body portion of the container shows that the amount of heat released during isothermal lacristalizacion after increasing the temperature from 30 ° C to 130 ° C to 100 ° C / min is 0.5 J / g Omas and the time elapsed since the temperature reduction is completed from 200 ° C to 130 ° C to 100 ° C / min to the maximum upper part isothermal crystallization profile is shorter than a demulticapa container in which only a base resin (resin oxygen barrier) a debarrera oxygen absorbing resin as an intermediate layer is used.
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