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Low-temperature dyeing process of environment-friendly regenerated polyester yarns

A recycled polyester, low-temperature dyeing technology, applied in the field of yarn

Active Publication Date: 2021-04-13
ZHEJIANG YINGSHANHONG TEXTILE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no low-temperature dyeing process in the prior art, so it is necessary to design a low-temperature dyeing process for environmentally friendly recycled polyester yarn

Method used

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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  • Low-temperature dyeing process of environment-friendly regenerated polyester yarns
  • Low-temperature dyeing process of environment-friendly regenerated polyester yarns
  • Low-temperature dyeing process of environment-friendly regenerated polyester yarns

Examples

Experimental program
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Embodiment Construction

[0031] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0032] Such as Figure 1-Figure 7 As shown, the low-temperature dyeing process of environmentally friendly regenerated polyester yarn includes the following steps: put the regenerated polyester yarn into an energy-saving yarn dyeing device, add dye guide agent, glacial acetic acid and dyes and run for 5-15 minutes, press Raise the temperature at a rate of 1°C / min to 90°C and keep it for 10 minutes, then raise the temperature at a rate of 1°C / min to 100°C and keep it for 30 minutes, cool down to 50-60°C, and drain the liquid. In this example, both the dye guide and the dye Existing products available on the market are used.

[0033] The dyeing bath ratio is 1:2.

[0034] The energy-saving yarn dyeing device comprises a ma...

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Abstract

The invention provides a low-temperature dyeing process of environment-friendly regenerated polyester yarns. The low-temperature dyeing process comprises the following steps: putting regenerated polyester yarns into an energy-saving yarn dyeing device, adding a dye guide agent, glacial acetic acid and a dye, operating for 5-15 minutes, heating to 90 DEG C at the rate of 1 DEG C / min, keeping the temperature for 10 minutes, heating to 100 DEG C at the rate of 1 DEG C / min, keeping the temperature for 30 minutes, cooling to 50-60 DEG C, and discharging liquid.

Description

technical field [0001] The invention belongs to the technical field of yarns, and relates to a low-temperature dyeing process, in particular to a low-temperature dyeing process of environmentally friendly regenerated polyester yarn. Background technique [0002] With the rapid increase of polyester production and sales, more and more waste polyester is produced, and the difficulty and cost of its disposal have become a major problem. The successful development of recycled polyester has provided a practical path for the sustainable development of polyester, and the recycling of resources has greatly reduced the pollution caused by polyester to soil, groundwater and the atmosphere. [0003] Recycled polyester is a fiber prepared from waste bottles, plastics, and clothing through chemical and physical means combined with spinning methods. It subverts the traditional sources of fiber raw materials, arranges and utilizes waste resources, and produces new fibers that are almost t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06B3/04D06B3/34D06B23/04D06B23/20D06B23/22D06P1/653D06P3/52
CPCD06B3/04D06B23/04D06B23/20D06B23/205D06B23/22D06B3/34D06P1/6533D06P3/52
Inventor 孙淑娟周瑶瑶周明霞高红霞周文军陈利华高江郑贞宝
Owner ZHEJIANG YINGSHANHONG TEXTILE TECH CO LTD
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