Bonding aluminum cladding to random glass mat reinforced polypro

Details Bonding aluminum cladding to random glass mat reinforced polypro Bonding aluminum cladding to random glass mat reinforced polypro

1991-12-30

1993-09-28

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156310, 156322, 156334, 525 93, 525 96, 525221, C09J 510

Patent

active

052483681

ABSTRACT:
The present invention relates to a method for making a composite article by applying an adhesive composition to one side of each of two foils of metal. The adhesive composition contains an ethylene/acrylic acid copolymer and a thermoplastic styrene/diene block copolymer. A sheet of fiber-reinforced polypropylene has both of its sides coated with a second thermoplastic styrene block/diene block copolymer which includes an acid or acid anhydride component. Finally, the adhesive coated metal foils are mated with the treated polypropylene sheet under elevated temperature and pressure for forming the composite article.

REFERENCES:
patent: 3410928 (1968-11-01), Baum
patent: 3431157 (1969-03-01), Mack
patent: 4678836 (1987-07-01), McKinney et al.
patent: 4994130 (1991-02-01), Ichikawa et al.
patent: 5092952 (1992-03-01), Minnick et al.

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