Difference between revisions of "Bronzing leather"
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| − | + | Particularly, on newer, black [[Smooth leather|smooth]] [[leather clothing|clothing]], a metallic glimmer gets formed. This phenomenon is called "bronzing". Like the rainbow on an oil puddle, the glimmer can be gold, bluish, reddish or greenish. The metallic sheen is created by excess [[leather colour|aniline dyes]] which oxidize. Dyes used in leather are anionic, but sometimes basic (cationic) dyes are used on black and dark shades to help the intensity the colouration. If used incorrectly, this can show bronzing. Its not the [[leather colour|pimgent colour]] which causes this, its the aniline dye. | |
| − | + | If this area is wiped with a slightly damp, white cloth, it becomes discolored. Its not the metallic sheen which remains in the cloth. Its the colour of the oxidized aniline dyes before oxidation. | |
| − | + | If you have acquired such a clothing, you should complain. In cases where a complaint is not possible, a [[Washing and dry cleaning leather|professional chemical cleaning]] and fixing must be carried out. You can not do it yourself. | |
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| − | '' | + | ''Bronzing [[Leather clothing|leather jacket]]. The oxidation color is greenish / yellowish; the bronzing color is a red color.''<br></p> |
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| − | '' | + | ''Bronzing [[Lamb leather - Sheep leather|lamb leather]]. The oxidation color is golden-yellowish, the bronzing color is red as the [[finish|pigment color]].''<br></p> |
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Revision as of 20:40, 12 November 2016
Particularly, on newer, black smooth clothing, a metallic glimmer gets formed. This phenomenon is called "bronzing". Like the rainbow on an oil puddle, the glimmer can be gold, bluish, reddish or greenish. The metallic sheen is created by excess aniline dyes which oxidize. Dyes used in leather are anionic, but sometimes basic (cationic) dyes are used on black and dark shades to help the intensity the colouration. If used incorrectly, this can show bronzing. Its not the pimgent colour which causes this, its the aniline dye.
If this area is wiped with a slightly damp, white cloth, it becomes discolored. Its not the metallic sheen which remains in the cloth. Its the colour of the oxidized aniline dyes before oxidation.
If you have acquired such a clothing, you should complain. In cases where a complaint is not possible, a professional chemical cleaning and fixing must be carried out. You can not do it yourself.
Bronzing leather jacket. The oxidation color is greenish / yellowish; the bronzing color is a red color.
Bronzing lamb leather. The oxidation color is golden-yellowish, the bronzing color is red as the pigment color.
Typical bronzing of Leather clothing. On the second photo not all sections are affected.
Bronzing leather bag.
Other leather damages
- A list and explanation of known leather damages
- Dye transfer from leather
- Typical damage to PU leather in the furniture area
- Flamingo effect: Reddish discolorations on bright furniture in concealed areas
- Glue penetration from the back side to the visible side of the leather
- Moldy leather - Mouldy leather
- Fat marks on leather
Additional information
a kotori web solution