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A Method for Quickly Testing the Wrinkle Recovery Performance of Fabrics

A fabric and fast technology, applied in the direction of applying stable bending force to test the strength of materials, measuring devices, strength characteristics, etc., can solve the problems of large error in test results, short test time, long test time, etc., to reduce the test Effects of error, reduced compaction and recovery time, accurate crease recovery performance

Active Publication Date: 2021-10-08
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for quickly testing the wrinkle recovery performance of fabrics in order to overcome the problems of large test result error, poor stability and long test time in the existing fabric wrinkle recovery performance evaluation method. The method has the advantages of small test error, The advantages of good stability and short test time

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • A Method for Quickly Testing the Wrinkle Recovery Performance of Fabrics
  • A Method for Quickly Testing the Wrinkle Recovery Performance of Fabrics
  • A Method for Quickly Testing the Wrinkle Recovery Performance of Fabrics

Examples

Experimental program
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Effect test

Embodiment 1

[0044] To measure the average angle of return of the fabric sample to be tested, the steps are as follows:

[0045] (1) Folding in half: the size of the fabric sample is 4 cm * 8 cm, and the front and back of the fabric sample are respectively laid with release paper (plastic film, thickness 0.08 mm), and then folded in half every 2 cm along the length direction. Fold in half alternately, and fold 3 times in total, that is, n=3;

[0046] (2) Compaction: put the weight on the folded fabric sample, and the compaction time is 5 minutes;

[0047] (3) Reply: remove the weight, take out the release paper, and place the side of the fabric sample flat on the glass surface;

[0048] (4) Measurement: Measure the included angle formed by the two sides of the folded fabric 3 times by photographic method. Specifically, measure the rapid spring recovery angle after 5 seconds of recovery and calculate the average value of 89.3°, and measure the slow spring recovery angle after 5 minutes of ...

Embodiment 2

[0050] To measure the average angle of return of the fabric sample to be tested, the steps are as follows:

[0051] (1) Folding in half: the size of the fabric sample is 4 cm * 12 cm, and the front and back of the fabric sample are respectively laid with release paper (plastic film, thickness 0.09mm), and then folded in half every 2 cm along the length direction. Fold in half alternately, and fold 5 times in total (such as figure 1 Shown), that is, n=5;

[0052] (2) Compaction: put the weight on the folded fabric sample, and the compaction time is 5 minutes;

[0053] (3) Reply: remove the weight, take out the release paper, and place the side of the fabric sample flat on the glass surface;

[0054] (4) Measurement: Measure the included angle formed by folding the two sides of the fabric 5 times by photographic method. Specifically, measure the rapid spring recovery angle after 5 seconds of recovery and calculate the average value of 86.7°, and measure the slow spring recover...

Embodiment 3

[0056] To measure the average angle of return of the fabric sample to be tested, the steps are as follows:

[0057] (1) Folding in half: the size of the fabric sample is 4 cm * 16 cm. The front and back of the fabric sample are respectively laid with release paper (plastic film, thickness 0.1 mm), and then folded in half every 2 cm along the length direction. Fold in half alternately, and fold 7 times in total (such as figure 2 Shown), namely n=7;

[0058] (2) Compaction: put the weight on the folded fabric sample, and the compaction time is 5 minutes;

[0059] (3) Reply: remove the weight, take out the release paper, and place the side of the fabric sample flat on the glass surface;

[0060] (4) Measurement: Measure the included angle formed by the two sides of the folded fabric 7 times by photographic method. Specifically, measure the rapid spring recovery angle after 5 seconds of recovery and calculate the average value of 87.5°, and measure the slow spring recovery angl...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to the field of fabric performance evaluation, and specifically discloses a method for rapidly testing fabric wrinkle recovery performance, the method comprising: (1) laying release paper on the front and back sides of a fabric sample, and then alternating front and back along the length direction Fold in half, the size of the fabric sample is the same as that of the release paper; (2) Place a weight on the folded fabric sample for compaction; (3) Recover; (4) After the fabric recovers for the first time, measure each fold The angle formed by the two sides of the fabric; after the fabric recovers for a second time, measure the angle formed by the two sides of the fabric folded in half each time, and measure the straight-line distance d between the outermost two sides and calculate the value of 2d / (n+1). After only one compaction, multiple creases recover at the same time, which effectively reduces the test time; through the comprehensive evaluation of the three parameter indicators of the rapid spring recovery angle, slow spring recovery angle and the distance between the outermost two sides of the fabric, the knitting surface can be more accurately knit Wrinkle recovery properties of fabrics.

Description

technical field [0001] The invention relates to the field of fabric performance evaluation, in particular to a method for rapidly testing fabric wrinkle recovery performance. Background technique [0002] The crease recovery performance of fabrics is an important index to evaluate the shape retention of fabrics, and the excellent crease recovery performance directly affects the wearing performance and aesthetics of fabrics. The existing test methods for non-ironing performance of fabrics include appearance rating method and recovery angle method. The standard "GB / T 29257-2012" introduces the appearance rating method. The principle of the subjective evaluation method is to compare the wrinkled fabric with the standard sample according to AATCC128-2003 to determine the wrinkle resistance level of the fabric. The test results are expressed in DP. Divided into five grades, grade 1 is the worst and grade 5 is the best. The main disadvantage of this method is that the subjective...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/20
CPCG01N3/20G01N2203/0003G01N2203/0019G01N2203/0023G01N2203/0032G01N2203/0033G01N2203/0075G01N2203/0282G01N2203/0641G01N2203/0682
Inventor 王运利姚金波姜会钰夏治刚郭恒王嘉晟冯懋
Owner WUHAN TEXTILE UNIV
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