Dyeing and finishing the use of professional terms and definitions

Dyeing percentage
The dye on the fiber accounts for the percentage of the total dye that is put into the dyebath.
Dyeing process
The process of dyeing fibers and dyeing fibers through dyestuffs.
Adsorption isotherm
Under constant temperature conditions, when dyeing reaches equilibrium, the relationship between the concentration of dye on the fiber and the dye concentration in the dye solution.
Dye-to-fiber standard affinities
The difference between the degree of standardization of dyes on fibers and the degree of standardization of dyes in solution.
Dyeing heat
Dye and fiber reaction heat.
Diffusion activation energy
The minimum energy required to activate the molecule must be the only dye molecules that exceed this energy to diffuse inside the fiber.
It refers to some organic compounds that have an affinity for dyes and fibers at the time of dyeing. Such organic compounds also load dye molecules at the same time when they enter the interior of the fiber.
It is the result of an irregular movement of a certain material molecule, that is, the transfer from one part of the system to another.
Discharge printing
The fabric is first dyed and then printed. The printing paste contains chemical agents that can destroy the background color.
Paint printing
It is a printing method that uses a binder to form a firm, transparent and wear-resistant resin film on the fabric to mechanically fix the coating on the fabric.
By the combination of physical and chemical dyes and fibers or chemical methods to generate color on the fibers, the entire textile becomes a colored object processing process.
Color fastness
The ability of the dyed product to retain its original color (or its ability to not fade) under the influence of various external factors during the process of use or dyeing.
Dyeing rate curve
The curve obtained by plotting the percentage of dye uptake versus time.
Half-staining time
The time required for dye dyeing to reach half of the equilibrium dye uptake.
Diffusion coefficient
Numerically equal to the amount of dye diffused through the unit area of ​​the fiber per unit of time at a unit concentration gradient.
Infinity dye bath
The bath ratio is large enough to maintain the dye bath with a substantially constant solution concentration.
Limited dye bath
The concentration of the dye solution is not stable, and the dye bath concentration gradually decreases during the dyeing process, and the upper percentage gradually increases with time.
Acrylic fiber dye saturation
Refers to the weight of a certain acrylic fiber dyed with a standard dye at 100 degrees, reflux 4H, pH=4.5, bath ratio 1:100, 100 g of fiber dyed with a sufficient amount of dye to achieve a 95% equilibrium dye uptake .
Dye saturation value of cationic dyes
Refers to a dye at 100 degrees, reflux 4H, ph = 4.5, bath ratio 1:100, dye saturation value on a certain fiber SD = D quotient / 100g fiber, is a constant for a particular dye fiber system.
Direct printing
Is the color paste containing dyes, pastes, chemicals printed on white cloth or dyed base fabric.
Anti-ink printing
The printing is carried out before the dyeing of the fabric. The printing paste contains an anti-dye agent that can prevent the dyeing of the base dye.
Anti-print printing
Also known as anti-plasma printing, it is a method of printing printing paste on the fabric that is first printed with anti-pollution and then printed on it.

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