Fibered sheet material imitating natural leather and method for

Details Fibered sheet material imitating natural leather and method for Fibered sheet material imitating natural leather and method for

1977-11-10

1980-02-26

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428286, 428306, 4284233, 428904, B32B 702, B32B 2700

Patent

active

041906942

ABSTRACT:
The artificial leather of the invention comprises a fibrous sheet material having on the surface thereof a coating formed of at least two layers of polyurethane elastomer with the elasticity modulus E of the layer of the polyurethane elastomer adjacent to the fibrous sheet being lower than the elasticity modulus E.sub.2, E.sub.3 . . . E.sub.p-1 of any of the following layer or layers, and at the same time being lower than the elasticity modulus E.sub.p of the finish layer according to the relation

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patent: 4053546 (1977-10-01), Yamasaki et al.
patent: 4053669 (1977-10-01), Kapasi et al.

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