Synthetic sheet composite

Details Synthetic sheet composite Synthetic sheet composite

1987-08-20

1989-03-07

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156 628, 156285, 156313, 156324, 428287, 428288, 428290, B32B 2700

Patent

active

048105716

ABSTRACT:
There is disclosed a synthetic sheet composite that is tear resistant and has paper-like aesthetic qualities. The composite comprises two spun filament polymer webs of unbonded continuous filaments with a binder web sandwiched between. The binder has a melting point below that of the spun filament webs. When the composite is subjected to heat and pressure the binder melts, and fills the interstital space between the filaments, and binds the filaments together. The filaments are encapsulated within the composite but retain their discrete identity. The filaments at the surface are exposed, flattened, discrete, and adhered to the binder.

REFERENCES:
patent: 3546062 (1970-12-01), Herrman
patent: 3622434 (1971-11-01), Newman
patent: 4340563 (1982-07-01), Appel et al.
patent: 4508113 (1985-04-01), Malaney
patent: 4529625 (1985-07-01), Reidenbach
patent: 4668566 (1987-05-01), Braum

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