Bleaching and dyeing; fluid treatment and chemical modification – Nontextile – dyeing process or product – including inorganic... – Polymer from isocyanate and polyol – e.g. – polyurethane,...
Patent
1984-06-19
1986-11-04
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Nontextile, dyeing process or product, including inorganic...
Polymer from isocyanate and polyol, e.g., polyurethane,...
8436, 8437, 8543, 8622, 8623, 8624, 8635, 8685, 8926, 428290, 425725, D06P 504
Patent
active
046208526
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: 4145468 (1979-03-01), Mizoguchi et al.
patent: 4146663 (1979-03-01), Ikeda et al.
patent: 4198461 (1980-04-01), Keller et al.
patent: 4476186 (1984-10-01), Kato et al.
Imai Shiro
Nagashima Junnosuke
Nakamura Teruo
Nishikawa Toshio
Shimada Masato
Clingman A. Lionel
Miller Austin R.
Toray Industries Inc.
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