Dyeing process for superfine polyester denier fiber yarn

A yarn dyeing and ultra-fine denier technology, applied in the field of yarn dyeing, can solve the problems of increasing dyeing cost, and achieve the effects of improving dyeing speed, enhancing color fastness and reducing dosage.

Inactive Publication Date: 2020-05-19
长江纺织(浙江)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, under the current situation of popularization of polyester superfine fiber products and rising dyeing costs, it is urgent to develop a dyeing process that provides high dyeing rate and color fastness of chemical fibers.

Method used

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  • Dyeing process for superfine polyester denier fiber yarn
  • Dyeing process for superfine polyester denier fiber yarn

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Experimental program
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Embodiment 1

[0029] A kind of dyeing process of polyester ultrafine denier fiber yarn involved in the present embodiment comprises the following steps: Step 1, pre-shrinking; Step 2, loose winding; Step 3, cage loading; Step 4, pretreatment before oil removal; Step 5, dyeing; Step 6, color fixing; Step 7, washing; Step 8, drying.

[0030] In the above step 1, the polyester superfine denier fiber is vacuum steamed, treated at 60°C for 5-10 minutes, and then heated to 85-95°C at a heating rate of 2-3°C / min, and kept for 10- After 15 minutes, continue to raise the temperature to 105-110°C at a heating rate of 0.5-1°C / min, keep it for 5-10 minutes, then raise the temperature to 120-125°C at a heating rate of 1.5-2°C / min, and keep it for 10-15 minutes.

[0031] In the above step 2, the pre-shaped polyester ultrafine denier fiber yarn will be formed into a loose bobbin by using loose winding; the polyester yarn will be turned to plastic as required by the loose winding machine. on the bobbin, a...

Embodiment 2

[0046] A kind of dyeing process of polyester ultrafine denier fiber yarn involved in the present embodiment comprises the following steps: Step 1, pre-shrinking; Step 2, loose winding; Step 3, cage loading; Step 4, pretreatment before oil removal; Step 5, dyeing; Step 6, color fixing; Step 7, washing; Step 8, drying.

[0047] In the above step 1, the polyester superfine denier fiber is vacuum steamed, treated at 60°C for 5-10 minutes, and then heated to 85-95°C at a heating rate of 2-3°C / min, and kept for 10- After 15 minutes, continue to raise the temperature to 105-110°C at a heating rate of 0.5-1°C / min, keep it for 5-10 minutes, then raise the temperature to 120-125°C at a heating rate of 1.5-2°C / min, and keep it for 10-15 minutes. The polyester microfiber of DTY 288F 150D is used.

[0048] In above-mentioned step 2, be to adopt the mode of loose type winding, the polyester superfine denier fiber yarn after presetting is formed into loose bobbin yarn, and the overfeed amou...

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Abstract

The invention discloses a dyeing process for a superfine polyester denier fiber yarn. The dyeing process comprises the following steps of (1) pre-shrinking, (2) slack winding, (3) caging, (4) deoilingpretreatment, (5) dyeing, (6) color fixation, (7) washing, and (8) drying. Furthermore, a carrier and phenyl ester are adopted as dyeing assistants for a yarn. According to the dyeing process for thesuperfine polyester denier fiber yarn, vacuum steaming is firstly adopted, then a low-bath-ratio dyeing process is adopted, and the yarn is dyed by using heterocyclic disperse dyes, so that the dyeing speed can be improved in the whole dyeing process and the amount of the dyes is reduced; and furthermore, a non-aqueous medium is adopted for color fixation, so that the color fastness can be greatly enhanced.

Description

technical field [0001] The invention relates to the technical field of yarn dyeing, in particular to a polyester superfine denier fiber yarn dyeing process. Background technique [0002] Polyester microfiber is a new type of synthetic fiber developed from Japan in the 1970s. It is named for its monofilament linear density that is much thinner than conventional polyester fibers. The fabric made of polyester microfiber has the characteristics of soft hand feeling, light and elegant, good drapability, breathable and moisture absorption, elegant luster, fluffy and plump, comfortable to wear, etc. It is a high value-added fiber and has a wide range of uses. [0003] And environmental protection production has now become a concept commonly respected by various enterprises around the world. Liquor ratio is an important indicator in the dyeing process. The size of liquor ratio directly reflects the level of energy consumption of dyeing equipment such as water, electricity, and steam...

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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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/16D06P3/54D06P1/96D06P1/66D06P5/08D06B1/00D06B15/00
CPCD06P1/16D06P3/54D06P1/96D06P1/66D06P5/08D06B1/00D06B15/00D06P2001/0088
Inventor 林武杰刘雪云
Owner 长江纺织(浙江)有限公司
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