Terylene four-side stretch high-fastness dyeing processing technique

A processing technology, four-sided elastic technology, applied in the field of dyeing and finishing technology, can solve the problems of general color fastness and poor force strength, and achieve the effect of improving color fastness

Inactive Publication Date: 2020-06-30
嘉兴市天伦纳米染整有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the strength of this basic physical combination is poor. Compared with cationic fibers dyed with cationic dyes or nylon fibers dyed with acid dyes, the degree of binding of the latter dye molecules with ionic bonds is much higher than that of disperse dyes. Van der Waals force, hydrogen bond and mechanical action when dyeing polyester fiber, so the color fastness of polyester fiber after dyeing is average

Method used

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  • Terylene four-side stretch high-fastness dyeing processing technique
  • Terylene four-side stretch high-fastness dyeing processing technique

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A kind of high-fastness dyeing process of polyester four-way stretch, the process comprises the following steps:

[0039] Unwinding, rolling, open-width OS desizing, open-width BO desizing, presetting, dyeing, setting, and finished product rolling in sequence; the dyeing process includes the following steps:

[0040]S1: Dye pretreatment, add ethanol 4.2g / L, tetraethyl orthosilicate 2.4g / L and water into the container, stir well, add coupling agent 0.8g / L and add acid preparation dropwise to adjust the pH value to 4.0 , then add the dye, stir for 4h at 45°C with a stirring rate of 700r / min, and obtain a dye pretreatment sol after aging for 36h; where the dye includes disperse ECT black 4% (o.w.f), disperse SE-2GF ruby 0.23% (o.w.f), disperse HSF dark blue 0.21% (o.w.f), disperse DRDW yellow brown 0.90% (o.w.f);

[0041] S2: Dyeing, first add water and fabric to the dyeing machine, add the dye pretreatment sol obtained in step S1 at a temperature of 25°C after 10 minutes...

Embodiment 2

[0043] A kind of high-fastness dyeing process of polyester four-way stretch, the process comprises the following steps:

[0044] Unwinding, rolling, open-width OS desizing, open-width BO desizing, presetting, dyeing, setting, and finished product rolling in sequence; the dyeing process includes the following steps:

[0045] S1: Dye pretreatment, add ethanol 5.4g / L, tetraethyl orthosilicate 3.1g / L and water into the container, stir well, add coupling agent 1.0g / L and add acid preparation dropwise to adjust the pH value to 4.0 , then add the dye, stir for 5h at 50°C and a stirring rate of 750r / min, and obtain a dye pretreatment sol after aging for 42h; wherein the dye includes disperse ECT black 4% (o.w.f), disperse SE-2GF ruby 0.23% (o.w.f), disperse HSF dark blue 0.21% (o.w.f), disperse DRDW yellow brown 0.90% (o.w.f);

[0046] S2: Dyeing, first add water and fabric to the dyeing machine, add the dye pretreatment sol obtained in step S1 after 15 minutes at a temperature of 30...

Embodiment 3

[0048] A kind of high-fastness dyeing process of polyester four-way stretch, the process comprises the following steps:

[0049] Unwinding, rolling, open-width OS desizing, open-width BO desizing, presetting, dyeing, setting, and finished product rolling in sequence; the dyeing process includes the following steps:

[0050] S1: Dye pretreatment, add ethanol 6.6g / L, tetraethyl orthosilicate 3.8g / L and water into the container, stir well, add coupling agent 1.2g / L and add acid preparation dropwise to adjust the pH value to 5.0 , then add the dye, stir for 6h at 55°C and a stirring rate of 800r / min, and obtain a dye pretreatment sol after aging for 48h; where the dye includes disperse ECT black 4% (o.w.f), disperse SE-2GF ruby 0.23% (o.w.f), disperse HSF dark blue 0.21% (o.w.f), disperse DRDW yellow brown 0.90% (o.w.f);

[0051] S2: Dyeing, first add water and fabric to the dyeing machine, then add the dye pretreatment sol obtained in step S1 at a temperature of 30°C after 20 mi...

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Abstract

The invention discloses a terylene four-side stretch high-fastness dyeing processing technique and belongs to the technical field of dyeing and finishing technique. The terylene four-side stretch high-fastness dyeing processing technique is characterized by comprising the following main steps: S1, pretreating dye: adding 4.2-6.6 g / L of ethanol, 2.4-3.8 g / L of tetraethyl orthosilicate and water into a container, performing uniform stirring and then adding 0.8-1.2 g / L of coupling agent, dropwise adding an acid preparation to adjust the pH value to 4.0-5.0, adding the dye, performing stirring for4-6h at the temperature of 45-55 DEG C and at the stirring speed of 700-800 r / min, and performing aging for 36-48h to obtain dye pretreatment sol; and S2, performing dyeing: adding water and the fabric into a dyeing machine, adding the dye pretreatment sol obtained in the step S1 after 10-20min, performing heating, performing dyeing for 50-70min at the temperature of 125-133 DEG C and under the pressure of 197-295KPa, and then performing cooling and washing treatment. The effect of improving the terylene four-side stretch dyeing fastness is achieved.

Description

technical field [0001] The invention relates to the field of dyeing and finishing technology, in particular to a high-fastness dyeing process of polyester four-way stretch. Background technique [0002] Polyester fiber has the characteristics of low manufacturing cost, strong and durable, not easy to deform, corrosion resistance, insulation, crisp, easy to wash and quick dry, etc., and is loved by people. With the sustained and rapid growth of China's economy and the continuous improvement of the consumption capacity of domestic residents, China has gradually developed into an important processing base for polyester products in the world, and has become the country with the largest output of polyester fiber in the world. [0003] Spandex is polyurethane fiber, which can be divided into polyester type and polyether type according to the different components in its structure. The maximum elongation of spandex can reach 400%, and the rebound rate is 95% to 99%. Polyester four...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/16D06P1/44D06P1/651D06P3/54D06P5/10D06P5/15D06L1/16
CPCD06P1/16D06P1/0032D06P1/0016D06P1/65118D06P1/65131D06P1/445D06P3/54D06P5/10D06P5/151D06L1/16
Inventor 郁佳天朱韦伟薛文柱陈佳骏
Owner 嘉兴市天伦纳米染整有限公司
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