Terylene alkali deweighting processing method

A processing method and alkali reduction technology, applied in the field of dyeing and finishing, can solve the problems of high requirements on the amount of sodium hydroxide and cationic accelerators, unfavorable energy saving and emission reduction, and large chemical consumption, so as to improve the processing efficiency of alkali reduction. , easy to operate, the effect of reducing the dosage

Inactive Publication Date: 2014-04-30
HENAN INST OF ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current high-temperature alkali weight reduction processing of polyester needs to be carried out under high temperature and high pressure conditions above 100°C, which puts forward higher requirements on the sealing and pressure resistance of the equipment, and consumes a lot of energy; the normal pressure alkali weight reduction processing of polyester is generally It also needs to be carried out under normal temperature conditions above 95°C, and the requirements for the amount of sodium hydroxide and cationic accelerators are relatively high; the above two alkali weight reduction processing methods are not conducive to energy saving, emission reduction and cost reduction, and normal pressure alkali reduction Mass processing also consumes a lot of chemicals

Method used

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  • Terylene alkali deweighting processing method

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Embodiment 1

[0012] An alkali weight reduction processing method for polyester, which uses a dipping process to carry out alkali weight reduction processing on polyester with sodium hydroxide, and the alkali weight reduction processing process flow is: sodium hydroxide, accelerator 1227 Ammonium chloride) and carrier benzyl alcohol were dissolved in water to prepare lye, and then the polyester fabric was put into the lye, the alkali reduction bath ratio was 1:30, and then the temperature was raised to 85°C at a heating rate of 2°C / min, and kept for 30 minutes After the heat preservation is over, take out the polyester fabric, wash it twice with tap water, and then dry it at 75°C.

[0013] The lye prescription is as follows:

[0014] Sodium hydroxide 3 g / L

[0015] Accelerator 1227 5×10 -5 mol / L

[0016] Carrier benzyl alcohol 6g / L

Embodiment 2

[0018] An alkali weight reduction processing method for polyester, which uses a dipping process to carry out alkali weight reduction processing on polyester with sodium hydroxide. Ammonium) and the carrier JYK POW were dissolved in water to make lye, and then the polyester fabric was put into the lye, the bath ratio of alkali reduction was 1:50, and then the temperature was raised to 80°C at a heating rate of 1.5°C / min, and kept for 30 minutes. After the end, take out the polyester fabric and wash it 3 times with tap water, then dry it at 70°C.

[0019] The lye prescription is as follows:

[0020] Sodium hydroxide 5 g / L

[0021] Accelerator 1631 8×10 -5 mol / L

[0022] Carrier JYK POW 8 g / L

Embodiment 3

[0024] An alkali weight reduction processing method for polyester, which uses a dipping process to carry out alkali weight reduction processing on polyester with sodium hydroxide, the alkali weight reduction processing process is: sodium hydroxide, accelerator Base quaternary ammonium nitrate) and carrier TF-258 are dissolved in water to prepare lye, then put the polyester fabric into the lye, the bath ratio of alkali reduction is 1:20, and then the temperature is raised to 70°C at a heating rate of 1°C / min , keep warm for 30 minutes, take out the polyester fabric and wash it with tap water 4 times after the keep warm, and then dry it at 80°C.

[0025] The lye prescription is as follows:

[0026] Sodium hydroxide 10 g / L

[0027] Accelerator SN 8×10 -5 mol / L

[0028] Carrier TF-258 12 g / L

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Abstract

The invention discloses a terylene alkali deweighting processing method. The method comprises the steps: carrying out alkali deweighting processing of terylene with sodium hydroxide by adopting a dipping process, dissolving sodium hydroxide, a cationic accelerant and a terylene dispersion dye dyeing carrier in water to prepare an alkali liquid, putting a terylene fabric into the alkali liquid with the alkali deweighting bath ratio of 1:5-100, then heating up to 70-90 DEG C at a heating-up rate of 0.5-2 DEG C / min, carrying out heat preservation for 30-100 min, after finishing heat preservation, taking out the terylene fabric, carrying out full water washing for a plurality of times with tap water, and then drying at the temperature of 80 DEG C. The method reduces the alkali deweighting processing temperature, saves energy, and decreases the using amounts of sodium hydroxide and the cationic accelerant; and quality indexes of the prepared terylene fabric are consistent to those of a fabric processed by conventional alkali deweighting. The method has the advantages of simple process and easy operation, has no special requirements on the terylene fabric and equipment, can be used for large-scale production by utilizing conventional equipment, and has a wide application prospect.

Description

technical field [0001] The invention belongs to the technical field of dyeing and finishing, and in particular relates to a polyester alkali weight reduction processing method in which a commonly used carrier for dyeing polyester disperse dyes is added to a polyester alkali weight reduction processing liquid. Background technique [0002] Because of its remarkable advantages, real silk is deeply loved by consumers, especially female consumers. However, real silk is expensive, and merchants generally make it into high-end clothing and market it, so it is only an exclusive product for a small number of consumers. In response to this problem, people have developed a polyester alkali reduction processing technology, that is, a polyester imitation silk processing technology. As the synthetic fiber with the largest output, polyester has the advantages of good dyeing performance, high strength, quick drying, and not easy to wrinkle. It is the first choice for many apparel fabrics. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M13/144D06M11/38D06M13/463D06M101/32
Inventor 曹机良孟春丽盛杰侦王延伟翟圣国曹毅潘星远
Owner HENAN INST OF ENG
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