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Method for measuring cotton and hemp blend fiber content

A blended fiber, rapid measurement technology, applied in the direction of measuring devices, material analysis using radiation diffraction, material analysis through optical means, etc., can solve the problems of distinction, quantitative analysis of cotton and linen blended products, etc., to improve detection efficiency, The effect of fast measurement speed and reducing the requirements of testing personnel

Inactive Publication Date: 2015-08-26
INSPECTION & QUARANTINE COMPREHENSIVE TECH CENT JIANGXI ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since cotton and hemp fibers belong to cellulose fibers, they have the same characteristic band in the mid-infrared region, and cannot be simply distinguished by characteristic wavelengths, let alone quantitative analysis of cotton and hemp blended products

Method used

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  • Method for measuring cotton and hemp blend fiber content
  • Method for measuring cotton and hemp blend fiber content
  • Method for measuring cotton and hemp blend fiber content

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Experimental program
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Embodiment Construction

[0022] Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.

[0023] Such as figure 1 , the method for the rapid determination of cotton and linen blended fiber content of the present embodiment comprises the steps:

[0024] Step S1, take a total of 120 cotton and linen blended samples, including samples of different colors, different fabric structures, and different fiber contents. In order to determine the characteristic wavelengths of cotton and linen in the mid-infrared region, select 50 cotton and linen samples. Establishment of the determination model for cotton and linen blended fiber content;

[0025] Step S2, using X-ray diffraction method to measure the degree of orientation of the cotton sample;

[0026] Step S3, using a single reflection ATR accessory with a spectral range of 400-4000cm -1 The mid-infrared spectrometer, set the instrument parameters: resolution 4cm -...

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Abstract

The invention discloses a method for measuring cotton and hemp blend fiber content. The method comprises the steps of (1) establishing an equation between the content of cotton in cotton and hemp blend samples and a plurality of spectral values corresponding to a plurality of all-cotton sample characteristic wavelengths; (2) collecting reflection intermediate infrared spectra of samples to be detected, finding a plurality of to-be-measured sample spectral values corresponding to the characteristic wavelengths of the plurality of the all-cotton samples from the reflection intermediate infrared spectra of the to-be-measured samples, and substituting the spectral values of the plurality of the to-be-measured samples into the equation to obtain the content of cotton fibers in the to-be-measured samples, wherein the content of hemp fibers in the to-be-measured samples is the difference between 1 and the content of the cotton fibers in the to-be-measured samples. The method has the advantages of being simple to operate and capable of improving the detection efficiency and the detection accuracy, reducing the detection worker work intensity and requirements for the detection workers, guaranteeing the detection sample completeness and meeting batch rapid detection requirements.

Description

technical field [0001] The invention belongs to the field of component identification of textiles, in particular to a method for quickly measuring the content of cotton and linen blended fibers. Background technique [0002] In order to protect the legitimate rights and interests of consumers, almost all countries in the world have promulgated decrees or standards stipulating that textiles sold in the market must have labels indicating the composition of textile raw materials. However, in order to reduce costs, some fabric manufacturers have arbitrarily reduced the content of certain fiber components in blended fabrics, cut corners, shoddy, and defrauded consumers. China is the largest producer, exporter and consumer of textiles in the world. All kinds of cotton and linen textile products are welcomed by consumers because of their unique style and comfortable wearing. In order to maintain market order, protect consumer rights, and encourage fair competition, it is very impo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3563G01N23/20
Inventor 耿响桂家祥郝勇王京力周丽萍祝建新刘秀红熊利华
Owner INSPECTION & QUARANTINE COMPREHENSIVE TECH CENT JIANGXI ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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