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Silk fabric degumming method and apparatus thereof

A degumming method, silk technology, applied in the field of silk degumming, can solve the problem of high cost of protease, achieve the effect of improving degumming efficiency and shortening degumming time

Active Publication Date: 2014-02-26
SHAOXING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high cost of protease, it has not been widely adopted by enterprises

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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  • Silk fabric degumming method and apparatus thereof
  • Silk fabric degumming method and apparatus thereof
  • Silk fabric degumming method and apparatus thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 1. Test materials and methods:

[0035] Test material: mulberry silk fabric, weight 71g / m 2 . Alkaline protease (activity 100,000 μ / g, produced by Wuxi Xuemei Enzyme Technology Co., Ltd.).

[0036] Buffer solution preparation: prepare with 0.025M sodium carbonate / sodium bicarbonate buffer solution when the pH is 6-8, and prepare with 0.017M potassium dihydrogen phosphate / disodium hydrogen phosphate buffer solution when the pH is 10-11, and the pH value is 9. Prepare with 0.05mol / L borax solution and 0.2mol / L boric acid solution.

[0037] Degumming rate measurement: Dry the sample before and after degumming at 140-145°C for 90 minutes, put it in a glass desiccator, and balance it at room temperature for 30 minutes. The weight obtained is the dry weight before and after degumming until the constant weight. The degumming rate of the sample was calculated by the following formula. Sample degumming rate (%)=[(dry weight before degumming-dry weight after degumming) / dry we...

Embodiment 2

[0060] Such as figure 1 As shown, the present invention also provides a kind of improved silk fabric degumming device, comprises tank body 1, and the top of tank body 1 is provided with opening 10, and the bottom or side of tank body 1 is installed ultrasonic vibrating plate 2, and the size of ultrasonic vibrating plate 2 and The power can be adapted according to the size of the tank body 1, and the ultrasonic vibrating plate 2 can be assembled from a single vibrating plate or from multiple vibrating plates. The ultrasonic generator 3 is installed outside the tank body 1 , and the ultrasonic generator 3 is connected with the ultrasonic vibrating plate 2 through a high frequency line 4 . The frequency range of the ultrasonic vibrating plate 2 is 30-80KHz, and a single-frequency, double-frequency or triple-frequency periodic switching type can be selected. The ultrasonic power can be adjusted by numerical control, and the adjustment range is 10-100%.

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Abstract

The invention discloses a silk fabric degumming method and a silk fabric degumming apparatus. The invention belongs to the technical field of silk degumming. The method is characterized in that the method comprises the steps that: water with a required volume is injected in a degumming tank according to the weight of silk fabric and a bath ratio of 1:40-50; a pH value of the water is regulated to 8.5-9.5; the water is heated to a temperature of 50-60 DEG C; 1.00-2.50g / L of alkali protease is added into the degumming tank; silk fabric is placed into the tank, and supersonic wave is started, wherein the supersonic wave frequency is 30-80KHz; the supersonic wave treatment is performed for 35-60min, and washing is carried out. According to the invention, factors influencing silk fabric degumming are analyzed, and optimal technical values of alkali protease concentration, degumming time, degumming temperature, pH value, and bath ratio are determined. Also, the degumming apparatus is improved, such that silk fabric degumming time is effectively reduced, and silk fabric degumming efficiency is greatly improved.

Description

technical field [0001] The invention relates to a silk fabric degumming method and a device thereof, belonging to the technical field of silk degumming. Background technique [0002] Silk is favored by people for its comfortable and healthy wearing performance, elegant and drape appearance, and smooth and soft handle, and is known as the "fiber queen". In addition to the main component silk fibroin, silk raw materials also contain a considerable amount of sericin and a small amount of oil, wax, hair, grass clippings and other sundries. Among them, sericin has a certain protective effect on silk fibroin, and sericin generally accounts for about 1 / 4 of silk fiber. In order to protect silk fibroin from damage during processing, sericin should be properly retained after silk degumming. Excessive degumming not only damages silk fibroin and reduces the yield, but also consumes a large amount of water, steam and various chemicals, which increases processing costs. Excessive seri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01C3/02
Inventor 钱红飞
Owner SHAOXING UNIVERSITY
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