Metallized wrapping film

Details Metallized wrapping film Metallized wrapping film

1992-06-17

1994-02-01

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428343, 428344, 428354, 428356, 428457, 428458, B32B 712, B32B 1504

Patent

active

052831183

ABSTRACT:
A metallized wrapping film having low water vapor transmittance and low oxygen transmittance, in which the adhesion of the metallic layer to the base film is strong, and which has heat-sealing property is disclosed. The metallized wrapping film according to the present invention comprises a plastic base film; a heat-sealing layer formed on one surface of said base film; and a metallic layer formed on one surface of said base film opposite to said surface on which said heat-sealing layer is formed, said metallic layer consists essentially of 70-99% by weight of aluminum and one or more elements selected from the elements having an atomic number of 12-30 excluding aluminum.

REFERENCES:
patent: 4125446 (1978-11-01), Hartsough et al.
patent: 4241129 (1980-12-01), Marton et al.
patent: 4305111 (1981-12-01), Forster
patent: 4308084 (1991-12-01), Ohtusuki et al.
patent: 4629640 (1986-12-01), Akao
patent: 5017429 (1991-05-01), Akao

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