Coloring method for wood single plate

The coloring process of single wood plate includes the following steps: mixing reducing dye with water and adding reducing agent for the reducing dye to dissolve in water to form color-less mother liquor; adding strong alkali to the mother liquor to make the mother liquor pH value over 11 and stable...

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Bibliographische Detailangaben
1. Verfasser:	QICHENG ZHUANG
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW ORSIMILAR MATERIALS NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FORIMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILARMATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITHPERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR TRANSPORTING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	The coloring process of single wood plate includes the following steps: mixing reducing dye with water and adding reducing agent for the reducing dye to dissolve in water to form color-less mother liquor; adding strong alkali to the mother liquor to make the mother liquor pH value over 11 and stable; soaking the single plate in the mother liquor to dye while replenishing strong alkali to maintainthe pH value; and oxidizing the single plate. The colored single palte has high light resistance and even if the single plate is exposed under xenon lamp for 48 hr, there will be no color change.