EKS and acrylic two-ingredient blend fiber product quantitative chemical analysis method

A technology of blended fiber and Yixie, which is applied in the field of textile inspection and testing, can solve the problems of no research and development, no report of Yixie fiber, etc., and achieve the effect of small error, good balance and simple operation

Inactive Publication Date: 2018-09-07
任清庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the qualitative identification of Xyx fiber is still in the primary research stage. At the same time, due to its stable chemical properties, no suitable solvent for dissolving the fiber has been developed in the prior art, which has also resulted in the development of qualitative and quantitative analysis of Xyx fiber.
Its qualitative analysis has not yet been included in the relevant standards, and there is no report on the quantitative analysis method for the blending ratio of Yikesi fiber and other fibers in the prior art

Method used

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  • EKS and acrylic two-ingredient blend fiber product quantitative chemical analysis method
  • EKS and acrylic two-ingredient blend fiber product quantitative chemical analysis method
  • EKS and acrylic two-ingredient blend fiber product quantitative chemical analysis method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1: the first group of balance tests

[0035] 1. Reagents

[0036] All reagents are analytically pure, and the test water is the third-grade water in the national standard GB6682.

[0037] 1. Petroleum ether: the heating process is 40-60°C;

[0038] 2. Dilute acetic acid solution: add 5 mL of glacial acetic acid and dilute to 1 L with water;

[0039] 3. Sodium hypochlorite solution: molar concentration 0.45-0.55mol / L.

[0040] 2. Instrument

[0041] 1. Soxhlet extractor: receiving bottle 250mL;

[0042] 2. Constant temperature oscillator: the temperature adjustment range is from room temperature to 99°C;

[0043] 3. Vacuum pump: the speed is 1400r / min;

[0044] 4. Electric blast drying oven: keep the temperature at 105±3°C;

[0045] 5. Erlenmeyer flask with stopper: capacity 250mL;

[0046] 6. Glass sand core funnel: capacity 30mL ~ 50mL, pore diameter 90μm ~ 150μm;

[0047] 7. Dryer: equipped with color-changing silica gel;

[0048] 8. Weighing bott...

Embodiment 2

[0071] Embodiment 2: the second group of balance tests

[0072] Test data and calculated results are shown in Table 4, and others are the same as in Example 1.

[0073] Table 4 The second group of balance test results

[0074]

[0075]

[0076] The calculation results combined with the public moisture regain are shown in Table 5.

[0077] Table 5 The content of the second group of balance tests combined with the public moisture regain (%)

[0078] Weighing bottle number

Embodiment 3

[0079] Embodiment 3: the third group of balance tests

[0080] Test data and calculated results are shown in Table 6, and others are the same as in Example 1.

[0081] Table 6 The third group of balance test results

[0082] Weighing bottle number

5

6

Weighing bottle + sample weight (g) G 1

30.3036

29.8524

Weighing bottle weight (g) G 2

29.3032

28.8490

Sample dry weight m 0 (g)(G 1 -G 2 =m 0 )

1.0004

1.0034

(weighing bottle + remaining sample) weight (g) G 3

30.0295

29.555

Dry weight of remaining sample m 1 (g)(G 3 -G 2 =m 1 )

0.7263

0.7265

Remaining sample (acrylic fiber) content (%) (100m 1 / m 0 )

72.6

72.4

dAcrylic fiber net dry content after correction (%) (P 1 =100dm 1 / m 2 )

73.0

72.8

d Corrected EKS net dry content (%) (P 2 =100-P 1 )

27.0

27.2

[0083] The calculation results combined with the public moisture re...

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Abstract

The invention relates to an EKS and acrylic two-ingredient blend fiber product quantitative chemical analysis method, which is characterized by sequentially comprising the following steps of 1, performing original test sample pretreatment to obtain dry and pure test samples; 2, wetting the test samples by a sodium hypochlorite solution; 3, putting the test samples into a water bath being 80 to 120DEG C for heating; 4, taking residual fiber; performing suction and filtering in a sand core crucible; then, flushing the sand core crucible by a small quantity of sodium hypochlorite solution; 5, taking residual fiber; adding dilute acetic acid for neutralization; 6, taking the residual fiber; then, performing suction and drying by the sand core crucible; flushing the sand core crucible by clearwater; 7, performing drying and cooling to obtain the final residual fiber. A sodium hypochlorite dissolution method is used for completing the quantitative analysis; the operation is simple; the test stability is high; the environment pollution and the harm to the human body are low; the test result balance performance is good; the errors are small.

Description

technical field [0001] The invention relates to a quantitative chemical analysis method for a blended fiber product, in particular to a quantitative chemical analysis method for a two-component blended fiber product of ikesi fiber and acrylic fiber. The invention belongs to the technical field of textile inspection and testing. Background technique [0002] EKS fiber (EKS fiber, polyacrylate fiber) is a breathing fiber that can change with the external environment and the wearing space and is comfortable to wear. Its fiber product is a new material that generates heat by itself and warms the body. The fiber not only far exceeds natural fibers in terms of hygroscopicity, but also has multiple functions such as moisture absorption, heat generation, pH control, flame retardancy, anti-pilling and anti-static, and has been widely used in clothing, home textiles and industrial fields. EKS fiber has a stable structure and very good chemical stability, that is, it does not dissolv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/00
CPCG01N31/00
Inventor 任清庆保琦蓓尤建武冯云
Owner 任清庆
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