Test method for physical property of viscose colourant

A detection method and a technology of physical properties, applied in the preparation of test samples, weighing by removing certain components, etc., can solve the problems of inability to pre-control the quality of colorants

Inactive Publication Date: 2009-11-25
YIBIN HIEST FIBER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defect that the above-mentioned prior art cannot perform quality pre-control on the colorant, the present invention provides a method for detecting the physical properties of the viscose colorant

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The physical performance detection method of viscose colorant, the steps are as follows:

[0018] A. Randomly select a colorant, fully stir the colorant to be tested to make it evenly mixed, weigh 4.5g of the colorant in an evaporating dish with a constant weight, put it in an oven at 103°C and dry it to a constant weight, take it out and put it in quickly In the desiccator, cool to room temperature and weigh, and calculate the solid content percentage of the colorant by the following calculation formula, the solid content percentage of the colorant = the mass of the colorant after drying × 100 / the mass of the colorant before drying, and the calculated parallel sample The difference is not more than 1.0%.

[0019] B. According to the solid content of the measured colorant sample, according to the colorant liquid with a weight percentage of 2.9%, the corresponding colorant is weighed and placed in a beaker, and then a certain volume of desalted water is added to make t...

Embodiment 2

[0023] The physical performance detection method of viscose colorant, the steps are as follows:

[0024] A. Randomly select the colorant, fully stir the colorant to be tested to make it evenly mixed, weigh 5g of the colorant in an evaporating dish with a constant weight, put it in an oven with a temperature of 105°C and dry it to a constant weight, take it out and put it in a dry place quickly Cool to room temperature and weigh, and calculate the solid content percentage of the colorant by the following calculation formula, the solid content percentage of the colorant = the mass of the colorant after drying × 100 / the mass of the colorant before drying, and the calculated weight of the parallel sample The difference is not more than 1.0%.

[0025] B. According to the solid content of the measured colorant sample, according to the colorant liquid of 3% by weight, the corresponding colorant is weighed and placed in a beaker, and then a certain volume of desalted water is added ...

Embodiment 3

[0029] The physical performance detection method of viscose colorant, the steps are as follows:

[0030] A. Randomly select a colorant, fully stir the colorant to be tested to make it evenly mixed, weigh 5.5g of the colorant in an evaporating dish with a constant weight, put it in an oven at 107°C and dry it to a constant weight, take it out and put it in quickly In the desiccator, cool to room temperature and weigh, and calculate the solid content percentage of the colorant by the following calculation formula, the solid content percentage of the colorant = the mass of the colorant after drying × 100 / the mass of the colorant before drying, and the calculated parallel sample The difference is not more than 1.0%.

[0031] B. According to the solid content of the measured colorant sample, according to the colorant liquid with a percentage by weight of 3.1%, the corresponding colorant is weighed and placed in a beaker, and then a certain volume of desalted water is added to mak...

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PUM

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Abstract

The invention discloses a test method for the physical property of a viscose colourant, comprising the following steps: calculating the percentage composition of the solid colourant; weighing a certain amount of the colourant and adding a certain volume of demineralized water, collocating the diluted colourant and homogeneously stirring and mixing the colourant for standby; putting a microporous filtering film in the weighing bottle and roasting with the weighing bottle in the oven until the weight is constant, and recording the weight of the microporous filtering film and then weighing the bottle; measuring the filtering time of the colour paste and calculating the percentage of the residue filtered by the colourant. The production of the coloured thread with good quality is guaranteed by using the present invention.

Description

technical field [0001] The invention relates to the detection of colorant raw materials and the detection of process preparation liquid used in the production of viscose filament colored yarn. Background technique [0002] As an important raw material for the production of colored yarn, colorant is widely used in the chemical fiber industry. The content of its main components and the size of colorant particles directly affect the preparation of colorant and viscose filtration. In the prior art, whether the quality of the main content of the colorant and the particle size of the colorant is satisfactory for production is judged according to the coloring degree and spinnability of the filaments in the small test. It is impossible to carry out quality pre-control on the colorant, and there is no method for testing the main content, filtration performance and particle size of the colorant before production and use. Contents of the invention [0003] In order to overcome the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/04G01N1/28G01N1/44
Inventor 李蓉玲饶芳秋李万群邓海燕
Owner YIBIN HIEST FIBER
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