Film for transfer metallizing

Details Film for transfer metallizing Film for transfer metallizing

1989-06-14

1992-05-05

Sluby, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428330, 428331, 428325, 4283126, 4283128, 4283179, 428516, 428327, 2641761, 524581, 524582, B32B 2708, B32B 2732

Patent

active

051106701

ABSTRACT:
A biaxially stretch-oriented film, suitable for the process of transfer metallizing, which comprises a base layer coextruded with covering layers on either side thereof and comprising an inert admixture is disclosed. The three layers are formed of polyolefin and the base layer comprises an additive which migrates from the base layer into the covering layers. The base layer contains the inert admixture in the form of finely divided particles, which partially protrude from the base layer and are completely enveloped by the covering layers. At least one of the two outer surfaces of the covering layers displays, at least in partial areas, an increased roughness attributable to the particles protruding from the base layer.

REFERENCES:
patent: 4230767 (1980-10-01), Isaka et al.
patent: 4604322 (1986-08-01), Reid
patent: 4666772 (1987-05-01), Schinkel et al.
patent: 4692837 (1987-09-01), Crass et al.
patent: 4704323 (1987-11-01), Duncan et al.
patent: 4777081 (1988-10-01), Crass et al.
patent: 4904325 (1990-02-01), Crass et al.
patent: 4975315 (1990-12-01), Bothe et al.
"Transfer Metalization an Alternative to Aluminium Foil Laminates and Metalised Papers", Export Polygraph International H. 2, p. 108 (1986).
T. J. Henman, "World Index of Polyolefine Stabilizers", Kogan Page Ltd., London, (1982), pp. 12, 202-219, 240-243.

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