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A test method for impurities on the surface of polyester fibers after dyeing cheese

A polyester fiber and testing method technology, applied in fiber processing, ultrasonic/sonic fiber processing, textile material inspection, etc., can solve problems such as greater impact on product quality, pollution of looms and sewing machines, and inability to accurately grasp the quality of polyester fibers

Active Publication Date: 2011-11-30
CHINESE TEXTILE ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of practical application, it is found that these methods and indicators cannot comprehensively and effectively evaluate the dyeing quality of polyester fiber cheese. The polyester fiber surface dyed by cheese will have oligomers and other impurities. Impurities will fall off during the subsequent weaving process, which will seriously pollute the loom, sewing machine, etc., and have a great impact on product quality. Moreover, the content of impurities on the surface of polyester fibers after package yarn dyeing is quite different, and those with less impurity content will affect the subsequent production process. The impact of application is small, and the content of impurities has a greater impact on subsequent applications. However, there are no relevant testing and evaluation methods at home and abroad, so that subsequent application manufacturers cannot accurately grasp the quality of the polyester fiber dyed by the cheese to be used. Especially the impurity content on the surface of polyester fiber

Method used

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  • A test method for impurities on the surface of polyester fibers after dyeing cheese
  • A test method for impurities on the surface of polyester fibers after dyeing cheese
  • A test method for impurities on the surface of polyester fibers after dyeing cheese

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] For yarn dyed 20 S Test of foreign matter content on the surface of package dyed polyester yarn.

[0074] The measured 20 of this embodiment S Pure polyester yarn is polyester yarn produced by a small chemical fiber factory. The dyed color is navy blue. It is used for weaving yarn-dyed weaving. The color fastness to dry rubbing of the fiber is grade 4, and the strength loss before and after dyeing is less than 5%. test.

[0075] A method for testing polyester fiber surface impurities after cheese dyeing, said method comprising the steps of:

[0076] (1) Sampling

[0077] Remove 9g of yarn on the surface of the bobbin from the polyester fiber bobbin dyed by cheese, and then take 3 samples continuously from the outer layer as outer layer samples. When the weight is 50g, take 3 samples continuously as inner layer samples;

[0078] (2) Sample weighing

[0079] Each sample obtained in step (1) is dried, and the drying is carried out in an oven. When the temperature is ...

Embodiment 2

[0094] 42 S / 2 Measurement of foreign matter content on the surface of cheese dyed polyester sewing thread.

[0095] 42 measured in this embodiment S / 2 The raw material of polyester sewing thread is staple fiber for polyester sewing thread produced by a large chemical fiber factory. The dyed color is dark black, and the color fastness to dry rubbing is grade 4. The content of impurities on the surface is tested.

[0096] A method for testing polyester fiber surface impurities after cheese dyeing, said method comprising the steps of:

[0097] (1) Sampling

[0098] Remove 10g of yarn on the surface of the bobbin from the dyed polyester fiber bobbin of the bobbin, and then take 3 samples continuously from the outer layer as the outer layer sample. When it is 90g, take 5 samples continuously as inner layer samples;

[0099] (2) Sample weighing

[0100] Each sample obtained in step (1) was dried, and the drying was carried out in an oven for 2 hours at a temperature of 90° C....

Embodiment 3

[0115] For yarn dyed 20 S Test of foreign matter content on the surface of package dyed polyester yarn.

[0116] The measured 20 of this embodiment S Pure polyester yarn is polyester yarn produced by a small chemical fiber factory. The dyed color is navy blue. It is used for weaving yarn-dyed weaving. The color fastness to dry rubbing of the fiber is grade 4, and the strength loss before and after dyeing is less than 5%. test.

[0117] A method for testing polyester fiber surface impurities after cheese dyeing, said method comprising the steps of:

[0118] (1) Sampling

[0119] Remove 8g of yarn on the surface of the bobbin from the dyed polyester fiber bobbin of the bobbin, and then take 5 samples continuously from the outer layer as the outer layer sample. When it is 100g, take 3 samples continuously as inner layer samples;

[0120] (2) Sample weighing

[0121] Each sample obtained in step (1) is dried, and the drying is carried out in an oven. When the temperature is ...

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Abstract

The invention discloses a method for testing impurities on the surface of cheese dyed polyester fibers. The method includes four steps: sampling, weighing of samples, processing of samples and calculation of results. The change in weight was used to calculate the impurity content on the fiber surface. The test method described in the invention can be used for evaluating the quality of the cheese dyed polyester fiber, and can also be used to predict the impact of the surface impurities of the cheese dyed polyester fiber on the subsequent application and processing.

Description

technical field [0001] The invention relates to the field of textiles, and more specifically, the invention relates to a method for testing surface impurities of cheese dyed polyester fibers, which can be used for evaluating the quality of polyester spun yarns, polyester threads and polyester filaments after dyeing. Background technique [0002] The cheese dyeing technology of polyester fiber is widely used in the field of yarn-dyed weaving and sewing thread, etc. The main process is: polyester yarn (or polyester thread or polyester filament) → loose tube → dyeing → finished product. Generally, in the field of yarn-dyed yarn dyed yarn, the polyester yarn dyed with cheese will be directly loaded onto the loom for weaving. In the field of sewing thread, the polyester yarn dyed with cheese will be wound into small thread towers and then applied to clothing. , luggage and other products. [0003] The surface impurities of cheese dyed polyester fiber are mainly polyester oligome...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06H3/00D06M11/71D06M13/385D06M13/368D06M10/02
Inventor 廉志军潘菊芳江渊
Owner CHINESE TEXTILE ACAD
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