07-02-2018 дата публикации
Номер: KR101826624B1
The present invention relates to a preparation method of wrapping paper to provide a packaging bag which does not use a separate oxygen scavenger pack in a packaging bag for use to hermetically package foodstuffs and the like, particularly foodstuffs containing a certain amount of water, but is integrated with an oxygen scavenger. In particular, the oxygen scavenger comprises various inorganic materials and organic materials capable of reacting only in the presence of water, wherein the oxygen scavenger may use, as a main ingredient of the inorganic materials, one or more selected from metal powder such as iron, sulfites, bisulfites, and dithionites; and as a main ingredient of the organic materials, may use one or more selected from L-ascorbic acid, erythorbic acid and salts thereof, saccharides such as glucose, and reducing polyhydric alcohols such as catechol and pyrocatechol. Further, the oxygen scavenger is pulverized into a powder having a uniform particle size, mixed in a fixed ratio ...
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