Transfer-metallizing method

Details Transfer-metallizing method Transfer-metallizing method

1988-05-27

1990-02-27

Thurlow, Jeffery

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156238, 264171, 264211, 427367, 427404, B29C 4706, B32B 2718, B32B 3130, B44C 100

Patent

active

049043250

ABSTRACT:
A transfer-metallization method in which a metal coating is applied to a top layer of a metallizing film, and the film is then brought into contact with a substrate such that the metal coating is transferred from the top layer to the substrate. The film is a three-layer biaxially-oriented transfer film produced by coextrusion and having a base layer of a polypropylene homopolymer and top layers applied to the two surfaces thereof. The base layer contains an additive depot of migrating monomers in an amount of 0.01 to 2.0 percent by weight, relative to the weight of the polymer constituting the base layer. The top layers are comprised of polypropylene that has a lower viscosity than the polypropylene of the base layer.

REFERENCES:
patent: 3080270 (1963-03-01), Lorenz
patent: 3589962 (1971-06-01), Bonjour
patent: 4382831 (1983-05-01), Clough et al.
patent: 4473422 (1984-09-01), Parker
patent: 4604322 (1986-08-01), Reid

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