Foraminated paper-plastic laminate sheeting

Details Foraminated paper-plastic laminate sheeting Foraminated paper-plastic laminate sheeting

1993-11-09

1996-05-21

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428131, 4283111, 4283155, 4283166, 4283177, 428511, 4285375, 4289044, 428910, 429937, 523093, 5230914, B23B 3114, B23B 310

Patent

active

055187994

ABSTRACT:
A high-strength, breathable paper-plastic laminate sheeting useable as a protective barrier in the structures of homes and buildings, as well as for other applications in which use has heretofore been made of synthetic fiber, non-woven fabric sheeting. The laminate sheeting is composed of a paper ply cold-laminated by a water-based adhesive to a reinforcing ply formed by an oriented synthetic plastic film, such as polypropylene, that imparts exceptional tear and burst strength to the laminate sheeting, at least one surface of the film being corona-discharge treated to render it wettable and receptive to adhesives. The sheeting is foraminated throughout its entire surface to create a myriad of fine pores that render the sheeting permeable to moisture vapor, but effectively impermeable to liquids. For some applications, an additional paper ply, which may be a metalized paper, is cold-laminated to the other side of the film ply, and/or an additional film ply is cold-laminated to the other side of the paper ply.

REFERENCES:
patent: 4096013 (1978-06-01), Lutzmann et al.
patent: 4254173 (1981-03-01), Peer, Jr.
patent: 4657610 (1987-04-01), Komatsu et al.
patent: 4867150 (1989-09-01), Gilbert
patent: 5244702 (1993-09-01), Finestone et al.
patent: 5374477 (1994-12-01), Lawless et al.

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