Method of manufacturing laminated films

Details Method of manufacturing laminated films Method of manufacturing laminated films

1994-11-16

1997-03-25

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

26417319, B29C 4706

Patent

active

056141416

ABSTRACT:
A laminated film is obtained by laminating, through a liquid crystal polymer layer, a thermoplastic polymer layer which is adhesive to the liquid crystal polymer layer, on a thermoplastic polymer layer which is not adhesive to the liquid crystal polymer layer, such lamination being made in a co-extrusion molding machine, by extruding the laminated layers from a die and by separating the non-adhesive thermoplastic polymer layer from the liquid crystal polymer layer. The adhesive thermoplastic polymer layer is preferably formed by a modified polyolefin into which a functional group is being introduced. The non-adhesive thermoplastic polymer layer is preferably formed by an olefin polymer or a polyalkylene terephthalate.

REFERENCES:
patent: 4617207 (1986-10-01), Ueki et al.
patent: 5061553 (1991-10-01), Olsen, Jr.
patent: 5139831 (1992-08-01), Muller
patent: 5204181 (1993-04-01), Suzuki et al.

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