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Colour fastness is the property of dyes and it is directly proportional to the binding force between photochromic dye and the fibre. The colour fastness may also be affected by processing techniques and choice of chemicals and auxiliaries. [1] [2] The term is usually used in the context of clothes.
Colour fastness, characterizes a material's colour's resistance to fading or running. Conductive; Crease and wrinkle resistance are textiles that have been treated to resist external stress and hold their shape. Clothing made from this fabric does not need to be ironed and may be sold as non-iron, no-iron, wash and wear, durable press, and easy ...
The part of a molecule responsible for its color is called the chromophore. [4] [5] Light encountering a painted surface can either alter or break the chemical bonds of the pigment, causing the colors to bleach or change in a process known as photodegradation. [6] Materials that resist this effect are said to be lightfast.
This distinguishes dyes from pigments which do not chemically bind to the material they color. Dye is generally applied in an aqueous solution and may require a mordant to improve the fastness of the dye on the fiber. [2] The majority of natural dyes are derived from non-animal sources such as roots, berries, bark, leaves, wood, fungi and ...
Dyeing Pigments for sale at a market in Goa, India Cotton being dyed manually in contemporary India Silk dye in pan on stove. Khotan. Dyeing is the application of dyes or pigments on textile materials such as fibers, yarns, and fabrics with the goal of achieving color with desired color fastness.
Color: deep brilliant shades with atmospheric dyeing meet colorfastness requirements; Luster: light reflection creates a signature appearance; Performance: colorfast to perspiration staining, colorfast to dry cleaning, air and vapor permeable; Tenacity: weak fiber with breaking tenacity of 1.2 to 1.4 g/d; rapidly loses strength when wet
We all know that the value of your car starts depreciating as soon as you drive off the lot, but what you may not realize is that the color of your car can affect how quickly its value drops. In ...
These additives are often used to enhance the appearance of color of fabric and paper, causing a "whitening" effect; they make intrinsically yellow/orange materials look less so, by compensating the deficit in blue and purple light reflected by the material, with the blue and purple optical emission of the fluorophore. [1]