- one
indigo dyebath could be used to dye
fabric a
number of times, in
contrast to the
average dyebath having just one use. A weak
dyebath also provided...
- its
reduced form. The
fiber is
immersed repeatedly in this oxygen-free
dyebath, then
exposed to the air,
whereupon the water-soluble
reduced form changes...
- a
dyeing temperature of 130 °C (266 °F) is required, and a
pressurized dyebath is used. The very fine
particle size
gives a
large surface area that aids...
- water-soluble but colorless. When a
submerged fabric is
removed from a
dyebath of
white indigo the dye
quickly combines with
oxygen in the air and reverts...
- precipitates, and to
blend with
concentrated dyes to
increase yield in
dyebaths and make the
colors look sharper. One of its main
roles is to
provide the...
- "white indigo" (leuco-indigo). When a
submerged fabric is
removed from the
dyebath, the
white indigo quickly combines with
oxygen in the air and
reverts to...
- in water,
adding the
textile to be d**** to the
resulting solution (the
dyebath), and
bringing the
solution to a
simmer for an
extended period,
often measured...
- dull shades.
Metal complex acid dyes take a
larger range of pH in the
dyebath (pH2-7). Some dyes are
mutagenic and carcinogenic,
including methyl orange...
-
direct dye by
completely immersing the
fabric (or yarn) in an
aqueous dyebath according to a
prescribed procedure. For
improved fastness to washing,...
-
dyebath to help the
uptake of the dye onto the fiber.
Direct or
substantive dyeing is
normally carried out in a
neutral or
slightly alkaline dyebath,...
