Production of polyurethane-split leather laminate

Details Production of polyurethane-split leather laminate Production of polyurethane-split leather laminate

1977-03-25

1980-08-19

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428315, 4284233, 428473, 428904, 4284235, B32B 326, B32B 520, B32B 902

Patent

active

042185050

ABSTRACT:
A polyurethane top coating and a porous, polyurethane interposing layer are formed on a release carrier sheet. Split leather hide is bonded onto the porous layer with a compatible adhesive and the release carrier sheet is stripped from the top coat. The resultant laminate has the appearance and other properties of top-grain leather. The interposing porous layer functions as a cushion and prevents uneven deformation of top coat when the laminate is folded or stretched.

REFERENCES:
patent: 3462326 (1969-08-01), Steel et al.
patent: 3549475 (1970-12-01), Hefley et al.
patent: 3553008 (1971-01-01), Reischl et al.
patent: 3597297 (1971-08-01), Buchholtz et al.
patent: 3650880 (1972-03-01), Tieniber
patent: 3713938 (1973-01-01), Sutton
patent: 3794548 (1974-02-01), Wirth et al.
patent: 3827930 (1974-08-01), Sutton
patent: 3847720 (1974-11-01), Laberinti
patent: 3941633 (1976-03-01), Wang et al.

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