Preserving material and method for producing the same

Details Preserving material and method for producing the same Preserving material and method for producing the same

B - Operations, Transporting

32

B

99/18, 117/221,

B32B 7/02 (2006.01) A23B 7/16 (2006.01) A23L 3/34 (2006.01) B32B 3/24 (2006.01) B65D 75/26 (2006.01) B65D 81/28 (2006.01)

Patent

CA 1329890

ABSTRACT OF THE DISCLOSURE A preserving material of a layered structure which is composed of an impregnated adsorbent sheet which contains a preserving liquid containing at least a lower alcohol and barrier films which cover the adsorbent sheet and which are impermeable to the preserving liquid. The effective components of the preserving liquid is evaporated little by little at least from the peripheral edges of the preserving material. This invention further relates to a method for producing the preserving material which consists of the steps of: previously applying barrier films to both surfaces of an adsorbent sheet; and soaking the obtained layered material in the preserving liquid, thereby impregnating the adsorbent sheet with the preserving liquid from at least the edge portions of the layered material.

579245

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