One-bath desizing and dyeing method of polyester pulp-containing fabric and its special auxiliary agent
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A dyeing method and technology of bath auxiliaries, applied in the direction of dyeing method, textile and paper making, dry cleaning fiber products, etc., can solve the problems of strong dye selectivity, large dye selectivity, and inability to dye, and achieve low energy consumption and sewage discharge. Low, short process effect
Active Publication Date: 2016-06-01
BEIJING CTA TEX CHEM
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Problems solved by technology
This process greatly saves water, electricity, steam, energy saving and emission reduction, and alkaline bath dyeing can reduce the problem of color flower and white powder caused by oligomers, but there are also the following main problems: polyester alkaline bath dyeing has been studied for many years, so far The main reason why it has not been fully promoted is that some disperse dyes, such as amido and ester groups, undergo hydrolysis under high-temperature alkaline conditions, and the color and light change greatly, so the selectivity to dyes is large, such as disperse deep blue HGL / S- 3BG, Disperse Ruby 5BL, Disperse Bright Yellow SE-4GL / S-6GLN, Disperse Fluorescent Yellow 10GFF / 8GFF, Disperse Fluorescent Red G, Disperse Yellow SE-RL, Anoky DRD / PUD series, DyStar EX / SF series etc. cannot be dyed in an alkaline bath
Continuous desizing process and oxidation desizing process failed to fundamentally solve the problems of high energy consumption and high emission in polyester desizing; alkaline bath desizing and one-bath dyeing process also have strong dye selectivity, incomplete chromatogram, heavy Difficult to solve problems such as poor performance
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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Embodiment 1
[0049] Embodiment 1, preparation of one-bath auxiliaries for desizing and dyeing polyester sizing fabric
[0050] According to the ratio (wt%) of each component shown in Table 1, one-bath additive A and one-bath additive B were prepared.
[0051] Formulation of different embodiment formulas of table 1
[0052]
[0053] The wetting emulsifier in the scheme 1 is a mixture of emulsifier TO7, emulsifier TO3, isomeric trideceth phosphate TEP and secondary alkylsulfonate sodium SAS60, wherein, the emulsifier TO7, emulsifier The mass parts of TO3, isomeric trideceth polyether phosphate TEP and secondary alkyl sulfonate sodium SAS60 are 25, 15, 30 and 30 in sequence; the leveling and diffusing agent is isopropyl phthalimide, A mixture of glyceryl ether polyoxyethylene ether (average EO = 20) oleate and styrene phenol polyoxyethylene ether (average EO = 17) ammonium sulfate, of which, isopropyl phthalimide, glyceryl ether The mass parts of polyoxyethylene ether (average EO=20) ole...
Embodiment 2
[0061] Embodiment 2, one-bath process of desizing and dyeing polyester pulp-containing fabrics using one-bath auxiliary agent A and one-bath auxiliary agent B
[0062] The process flow of the present invention: enter 3000kg of water into the dyeing machine → enter the fabric → add a bath of auxiliary agent A → add dye after 10 minutes of circulation → heat up to 130°C at a rate of 1.5°C / min after 10 minutes of circulation → keep warm for 50 minutes → cool down to 85°C → For every liter of water, add one-bath additive B and hydrosulfite, carry out reduction cleaning at 85°C for 30 minutes → drain, wash in warm water at 50°C for 15 minutes → discharge the cloth.
[0063] The factory currently uses conventional process flow: dyeing machine into 3000kg of water→ into 300kg of fabric→add 15kg of sodium hydroxide, 3kg of chelating dispersant FK-422D3, 3kg of wetting agent FK-st15, 3kg of desizing agent FK-608→heat up to 100°C, keep warm for 20min→cool down, drain→water inflow→heat u...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract
The invention discloses a one-bath process-based desizing dyeing method of size-containing polyester fabrics and special auxiliaries for the dyeing method. The method comprises the following steps: putting the size-containing polyester fabrics in water, adding one bath auxiliary A to the water, mixing thoroughly and then adding a dye to the water, mixing thoroughly again and then orderly performing heating, heat preservation and cooling treatment on the obtained system containing the fabrics; next, adding one bath auxiliary B and sodium hydrosulfite to the cooled system for reductive cleaning; and finally, discharging residual liquid and cleaning with warm water, thereby obtaining the desized and dyed polyester fabrics. The one bath auxiliary A comprises the following components in percentage by mass: 15%-20% of wetting emulsifier, 15%-20% of level dyeing diffusant, 4%-6% of chelating disperse agent and the balance being water. The one bath auxiliary B comprises the following components in percentage by mass: 15%-30% of sodium polyacrylate, 20%-40% of sodium hydroxide and 40%-60% of sodium carbonate. The one-bath process-based desizing dyeing method of the size-containing polyester fabrics is only carried out in one bath, and therefore, the processing time is obviously shortened and the quality of the fabrics can be guaranteed favorably; a low amount of water is used and water can be saved by 80%; the energy consumption is low; few types of auxiliaries are utilized.
Description
technical field [0001] The invention belongs to the technical field of polyester woven fabric dyeing and finishing technology in the textile printing and dyeing industry, and specifically relates to a one-bath desizing and dyeing method for polyester pulp-containing fabrics and a special auxiliary agent thereof. Background technique [0002] Polyester is a synthetic fiber that is widely used in textiles and has excellent comprehensive properties. The polyester filament fabric must be sized before weaving, so that the surface of the filament is covered with a smooth, flexible and firm size film, so as to enhance the cohesion and wear resistance of the polyester filament, so that it can withstand various stresses during the weaving process. Friction and tension make the weaving production run smoothly under the requirements of high quality and high yield. [0003] In general, before dyeing, desizing treatment must be carried out, otherwise it will affect the uniformity of fab...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information
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