Another form of yarn dyeing cheese dyeing, technically speaking, Racing Flags Wholesale in the past that only hank dyeing method for dyeing to produce a satisfactory product, but this traditional view is gradually changing with the emergence of cheese dyeing method .
Generally speaking, yarn dyed fabric dyeing costs. But because it has the advantage of fast delivery, and thus easier to adapt to the color in the change, while adapting to the needs of the small quantity and variety. In addition, yarn dyeing machinery is relatively simple and thus more economical in maintenance.
Vat dyes yarn dyeing Racing Flags Wholesale Personalized Yard Flags
Vat dyes cotton yarn dyed fabric dyeing a major group varieties. The dyed yarn is not only bright color, and color fastness is very good, most of the light fastness of more than six, some varieties up to 8. For those who require finishing such as scouring, bleaching, silk light and heat setting the yarn-dyed, dyes are available to restore. Many kinds of vat dyes, but according to their chemical structure can be divided into indigo class and anthraquinone, yarn dyed with vat dyes, multi-anthraquinone type.
Adsorbed (a) staining the basic method of anthraquinone structure of vat dyes, sodium salt of its leuco susceptible cotton yarn, dyeing rate, so the poor levelness, for the dye bath of caustic soda, sodium hydrosulfite is also more high. Yarn dyeing process the
(B) of the dyeing process and operations
A handmade yarn dyed white silk under the tank that need continuous mention yarn and fell down 7-9 times (about 5min) interval, but require uniform.
Reciprocating yarn dyeing machine dyeing by two when the next cylinder in turn lift the yarn, the machine should be in the state only on turn until the white silk all dye soaked (equivalent to swing back Racing Flags Wholesale and forth three times) in order to make the yarn rod roll. Some require high and mercerized yarn dyeing, the need combined with white silk under-cylinder manual operation, the yarn from side to side, and make continuous inverted roll 4 ~ 5min, and then stopped running, but the swing still needs to be carried out after every 1min out, fell down once. The staining 1Omin, every 2 ~ 3min steering fell down, fell down when exposing a surface of about 1/3 of the dyed yarn and re-immersion in the dye, prevent the depth of the first paragraph flower color.
(3) high temperature and pressure yarn dyeing machine dyeing bobbin yarn dyeing can be both positive and negative direction driven by the circulating pump dye, every specified time to transform the flow of time, Custom Decorative Garden Flags Wholesale spray around the first center (that is, positive cycles), the time is 0.5 ~ 1.5min spray, and then to the center by four weeks (ie, reverse circulation), the time is 4.5 ~ 3.5min. If the hank dyeing, you can always forward loop jet dyeing, not suitable for Racing Flags Wholesale
Table 2-9 Restore dye yarn dyeing process of the prescription and conditions
Staining method B France
Dye name pink R
The amount of dye (g) 25
Wetting agent Pacific oil
Water (L) 2
Caustic soda 360Be (L) 0.1
Hydrosulfite (g), 50
Temperature (° C) 80 ~ 90
Time (min) 10
Color caustic soda 360Be (L), 0.8
Hydrosulfite (g), 170
Anhydrous sodium sulphate (kg) 1 ~ 2
Amount of cow gum
Temperature (° C) 45 ~ 50
Liquor ratio of 1:40
Oxidation to take the air (min) 30
Pickling sulfate 660Be (L) 0.2 ~ 0.4
Soap Racing Flags Wholesale
Cook soda ash (kg) 0.2
Industrial soap (kg) 0.6
Liquor ratio of 1:40
Temperature (° C) 95 ~ 100
Time (min) 10 ~ 15