MULTILAYER PLASTIC CONTAINER - MITSUBISHI GAS CHEMICAL CO

Title:

MULTILAYER PLASTIC CONTAINER

Document Type and Number:

WIPO Patent Application WO/2016/027577

Kind Code:

A1

Abstract:

The present invention provides a multilayer plastic container which is capable of effectively preventing the contents from quality change due to oxygen and deterioration in flavor such as taste or scent. A multilayer plastic container according to the present invention comprises at least one oxygen absorbing layer and at least one oxygen blocking layer. This multilayer plastic container is characterized in that: each oxygen absorbing layer is formed from a thermoplastic polyester resin composition that contains a thermoplastic polyester resin and an oxygen absorber; the content of the oxygen absorber relative to the total mass of the thermoplastic polyester resin composition is 0.01-3% by mass; each oxygen blocking layer is formed from a polyamide resin composition that contains a polyamide resin; the content of a transition metal selected from the group consisting of cobalt, copper, cerium, aluminum and manganese relative to the total mass of the polyamide resin composition is less than 10 ppm; and at least one oxygen absorbing layer is arranged on the inner side of the oxygen blocking layer(s).

Inventors:

YAMAMOTO TAKASHI (JP)

Application Number:

PCT/JP2015/069519

Publication Date:

February 25, 2016

Filing Date:

July 07, 2015

Export Citation:

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Assignee:

MITSUBISHI GAS CHEMICAL CO (JP)

International Classes:

B65D1/02; B32B27/18; B32B27/34; B32B27/36; B65D81/26

Domestic Patent References:

WO2001085450A1

2001-11-15

Foreign References:

JP2013039964A	2013-02-28
JP2001097342A	2001-04-10
JP2005112468A	2005-04-28
JPH11514385A	1999-12-07
JP2004532296A	2004-10-21
JP2015034226A	2015-02-19

Other References: