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Method for determining blending ratios of milk protein modified polyacrylonitrile fibers to wools

A polyacrylonitrile fiber and milk protein technology, which is applied in measuring devices, material analysis through optical means, instruments, etc., can solve the problems of unideal test plan and long time consumption, and achieve shortened test cycle, convenient operation and accurate results Effect

Pending Publication Date: 2019-04-05
镇江市产品质量监督检验中心
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] From the perspective of the test cycle, the above method takes about 2 working days, which takes a long time
[0007] In summary, it is not an ideal test plan to test the blending ratio of milk protein modified polyacrylonitrile fiber and wool with the above chemical method. Therefore, a new method for measuring the blending ratio of milk protein modified polyacrylonitrile fiber and wool is sought. method is very important

Method used

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  • Method for determining blending ratios of milk protein modified polyacrylonitrile fibers to wools
  • Method for determining blending ratios of milk protein modified polyacrylonitrile fibers to wools
  • Method for determining blending ratios of milk protein modified polyacrylonitrile fibers to wools

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Embodiment 1

[0039] A method for measuring the blending ratio of milk protein modified polyacrylonitrile fiber and wool, comprising the steps of:

[0040] 1) Sample preparation: clamp a special object carrier, the special object carrier includes a rectangular object carrier body 1 with a thickness of 0.5 mm, the object carrier body 1 is made of aluminum alloy, and the object carrier The two ends of the sheet body 1 are bent downwards to form two vertical folds 3, and a number of round holes are provided along the center line of the length direction of the slide body. The diameter of the round holes 2 is 0.8mm. For the core filler, remove the fibers at eight points in different positions, and finally arrange the fibers into parallel bundles through the method of continuous shrinkage, take one of the bundles, add a certain twist, and pass through the slide body from one side Tighten the round hole on the top from the other side, use a blade to cling to the upper and lower surfaces of the sli...

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Abstract

The invention discloses a method for determining blending ratios of milk protein modified polyacrylonitrile fibers to wools. The method comprises the steps of: preparing a sample by using a loading appliance for clamping; observing a micro slide body loaded with the sample under a microscope; and respectively recording the total numbers and diameters of milk protein modified polyacrylonitrile fibers and wools in a circular hole, so as to calculate a fiber mass percentage of the components. The method is capable of obtaining results without knowing the content (k value) of milk protein in the milk protein modified polyacrylonitrile fibers, thereby filling the gap of quantitative test method for fiber blending ratios of textiles, providing convenience for third-party laboratories and providing a practicable method for market supervision. The method is a physical test method, so that the whole test process is environment-friendly, harmless and beneficial for the environment and the body health of the inspectors. The test period of the method is about 3 hours, so that the test period is greatly shortened and the detection efficiency is improved.

Description

technical field [0001] The invention relates to the field of textile detection, in particular to a method for measuring the blending ratio of milk protein modified polyacrylonitrile fiber and wool. Background technique [0002] In the FZ / T 01103-2009 "Quantitative Chemical Analysis Method for Textile Milk Protein Modified Polyacrylonitrile Fiber Blended Products" standard, it is stipulated that the determination method of the two-component mixture of milk protein modified polyacrylonitrile fiber and wool is the sodium hypochlorite method . [0003] However, the coefficient K is used in the calculation formula of this method, and the standard shows that the K value is related to the content of milk protein in the milk protein modified polyacrylonitrile fiber, that is, the milk protein modified polyacrylonitrile in the mixture to be tested must be used The pure milk protein modified polyacrylonitrile fiber with the same fiber can measure the K value through the sodium hypochl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/84
CPCG01N21/84
Inventor 寻丽梅周坚王清源杨东飞
Owner 镇江市产品质量监督检验中心
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