| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a paper container coping with a problem of exhaustion of petroleum resources, having an environmental merit (a reduction of CO<SB>2</SB>), excelling in barrier property of impeding permeation of oxygen gas, water vapor, or the like, eliminating the formation of pinholes, avoiding a sealing failure, a liquid leakage, or the like, and excelling in preserving and storing properties while preventing deterioration or the like of the content. <P>SOLUTION: The paper container is formed of a composite material A formed by laminating a polylactic resin layer 2a on the outside of a paper base material layer 1, and laminating a barrier sealant 4 formed by coextrusion of a polylactic resin layer 2b, a barrier layer 3 formed of polyglycol resin, and a polylactic resin layer 2c, on the inside of the paper base material layer 1. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
