Title:
FRESHNESS KEEPING SHEET, AND CORRUGATED FIBERBOARD
Document Type and Number:
Japanese Patent JP2000025843
Kind Code:
A
Abstract:
To provide a recyclable freshness maintaining sheet for fruits and vegetables, and flowers, and a freshness maintaining corrugated fiberboard formed thereof.
In a sheet, an undercoat layer consisting of at least one kind to be selected from an SBR emulsion, a vinyl acetate emulsion, and an acrylic emulsion, and a polyvinyl dichloride(PVDC) layer of 2-5 g/m2 thereon are provided on one side of a paper board. The sheet is 20-200 g/m2 in water-vapor permeability, 1,000-5,000 cc/m2.day in oxygen permeability, and not more than 20,000 cc/m2.day in carbon dioxide permeability. The PVDC layer contains at least one kind to be selected among SBR emulsion, vinyl acetate emulsion and acrylic emulsion of up to 40% in weight in terms of solid content.
Inventors:
TAKEYAMA SABURO
WATANABE KUNIHIKO
ISHII ETSUKO
WATANABE KUNIHIKO
ISHII ETSUKO
Application Number:
JP19063498A
Publication Date:
January 25, 2000
Filing Date:
July 06, 1998
Export Citation:
Assignee:
OJI PAPER CO
International Classes:
B65D5/56; A23B7/148; B32B27/00; B65D81/24; B65D85/34; (IPC1-7): B65D81/24; A23B7/148; B32B27/00; B65D5/56
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