Dyeing automobile seat covers containing acrylic or cationic-dye

Details Dyeing automobile seat covers containing acrylic or cationic-dye Dyeing automobile seat covers containing acrylic or cationic-dye

1995-09-08

1998-10-20

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Azo, acridone, or quinone dye

8687, 8692, 524190, 525375, 428 67, 4284111, 428480, 534608, 534757, C09B 2900, C09B 4500, B44C 128, B32B 904, B32B 2736

Patent

active

058241183

ABSTRACT:
A dye which is durable for practical use in the field of coloring automobile seat materials for which a good light-fastness is required and a dyeing method making use of the dye is provided. In the method, a disazo dye is obtained by converting guanazole to a tetrazo compound and coupling the tetrazo with an indole derivative to form a compound which is then quaternized using e.g., an alkylating agent resulting in a red dye with superior light-fastness at high temperatures.

REFERENCES:
patent: 3706725 (1972-12-01), Ozutsumi, I et al.
patent: 3822247 (1974-07-01), Ozutsumi, III et al.

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