Grained artificial leather having good color fastness of ultrafi

Details Grained artificial leather having good color fastness of ultrafi Grained artificial leather having good color fastness of ultrafi

1986-07-09

1988-07-12

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

8515, 428239, 428288, 428290, 428904, D06P 504

Patent

active

047569476

ABSTRACT:
Artificial leather and a dyeing method therefor; the leather includes ultrafine polyamide fibers and is particularly a grained artificial leather having bright, deep color, good color fastness to dry cleaning with charged soap, a delicate touch free from any undesirable rubber-like feeling, as well as high durability.
A super-entangled fiber base is provided comprising ultrafine polyamide fibers and/or bundles thereof; polyurethane including polyoxyethylene of molecular weight of 500-5,000 is applied. The polyamide ultrafine fibers are dyed with a metal-dye complex and a fixing agent.

REFERENCES:
patent: 4476186 (1984-10-01), Kato et al.
patent: 4620852 (1986-11-01), Nishikawa et al.

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