发明名称 |
WATER-ABSORBENT FILM AND PACKAGING MATERIAL USING IT |
摘要 |
PROBLEM TO BE SOLVED: To provide a water-absorbent film showing an improved water vapor barrier property and capable of adjusting humidity of both sides of the film by forming a water-absorbent layer since water existing on the outside or in the inner side of the film can not be treated. SOLUTION: The water-absorbent film capable of adjusting humidity and having the water vapor barrier property has a water-absorbent layer containing a water absorbent agent as a major component and a vapor deposition thin film layer of an inorganic oxide formed on it, both layers being mounted on at least one surface of a plastic film base material. COPYRIGHT: (C)2006,JPO&NCIPI |
申请公布号 |
JP2006027204(A) |
申请公布日期 |
2006.02.02 |
申请号 |
JP20040212677 |
申请日期 |
2004.07.21 |
申请人 |
TOPPAN PRINTING CO LTD |
发明人 |
OHASHI MASAYUKI;KANETAKA TAKESHI |
分类号 |
B32B9/00;B65D65/40;C08J7/04;C08L23/00;C23C30/00;G03C3/00 |
主分类号 |
B32B9/00 |
代理机构 |
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代理人 |
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地址 |
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