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Today black walnut is primarily used to dye baskets but has been used in the past for fabrics and deerhide. Juniper, Juniperus monosperma , ashes provide brown and yellow dyes for Navajo people , [ 31 ] as do the hulls of wild walnuts ( Juglans major ). [ 50 ]
the way in which different fibers absorbed the dye's color allowed for the creation of incredibly nuanced differences in color tones and a harmony that is impossible to achieve any other way; the garment dyeing process naturally gave the fabric a “worn-in” hand allowing for the development of the casual and relaxed version of the classic ...
A 1902 German treatise on the dyeing textiles notes "...logwood in the black dyeing of cotton has suffered considerably from the competition of aniline black". [36] Haematoxylin remained important as a black dye (using copperas or chrome as a mordant) for wool until the 1920s when a black synthetic dye compatible with wool became available. [9]
Dyeing is effected by heating the fabric in a solution of an organic compound, typically a nitrophenol derivative, and sulfide or polysulfide. The organic compound reacts with the sulfide source to form dark colors that adhere to the fabric. Sulfur Black 1, the largest selling dye by volume, does not have a well defined chemical structure.
For biological and medical applications of dyeing, see Staining and Biological Stain Commission. Dyeing is the craft of imparting colors to textiles in loose fiber, yarn, cloth or garment form by treatment with a dye. Archaeologists have found evidence of textile dyeing with natural dyes dating back to the Neolithic period.
Colour fastness is a term—used in the dyeing of textile materials—that characterizes a material's colour's resistance to fading or running.Colour fastness is the property of dyes and it is directly proportional to the binding force between photochromic dye and the fibre.
The jet dyeing machine use a low specific liquor ratio ranging from 1:5 to 1:15. The process involves making the fabric into a loop. This is done by sewing the ends together. The fabric is then moved slowly through the autoclave located inside the dye vat. The fabric is immersed in the dye solution which fills the vat.
Tie-dye is a term used to describe a number of resist dyeing techniques and the resulting dyed products of these processes. The process of tie-dye typically consists of folding, twisting, pleating, or crumpling fabric or a garment, before binding with string or rubber bands, followed by the application of dye or dyes. [1]
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