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Method for producing silk glue-enriched silk spinning refined silk

A production method and technology for lean products, applied in the field of silk spinning industry, can solve the problems of limiting practical application value, easy yellowing of silk fibers, etc., and achieve the effects of low cost, soft foam and great economic benefits.

Active Publication Date: 2012-02-29
湖北四灵新蚕丝医用技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent 200410022061.4 discloses a method for making a silk-spinning fine dry product rich in sericin, which is made of cocoon silk that is about 2% to 5% of the silkworm cocoon's outer layer and is softened with glue, which is a better solution. However, due to the use of glutaraldehyde as a crosslinking agent, no matter how the silk fiber drifts, it will easily turn yellow when it is heated, which greatly limits its practical application value.

Method used

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  • Method for producing silk glue-enriched silk spinning refined silk

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Weigh 1000g of loose fibrous cotton that has not been degummed, put it into 12kg of pH=9 sodium hydroxide solution to soften it, remove it for dehydration after 1 hour, and put it into 12kg of 5% tetrakis(hydroxymethyl)phosphorus sulfate solution To protect the gel, the pH of the tetrahydroxymethyl phosphate salt solution is 5, and the soaking temperature is 40°C. After 5 hours, put the silk into 15 kg of 0.5% sodium perborate solution for oxidation, and soak it at room temperature for 5 hours. After hours, it was taken out, dehydrated, washed, and dried at a drying temperature of 120°C to obtain 1000 g of silk-spun refined product rich in sericin.

Embodiment 2

[0019] Weigh 500g of loose fibrous spit that has not been completely degummed, put it into 10kg of pH=7 sodium carbonate solution to soften it, remove it for dehydration after 3 hours, and then soak it in 10kg of 3% tetrakis(hydroxymethyl)phosphorus sulfate solution , The pH of the tetrahydroxymethyl phosphate salt solution is 3, and the immersion temperature is 20℃. After 10 hours, the strips are oxidized in 20 kg of hydrogen peroxide solution with a concentration of 3%, soaked at room temperature for 20 hours, and then taken out. , Wash, put it in a dryer for drying, and the drying temperature is 80°C to obtain 500g of silk spinning refined product rich in sericin.

Embodiment 3

[0021] Weigh 1000g of loose fibrous cocoon that is not completely degummed and put it into 20kg of sulfuric acid solution with pH=3.5 to soften; after 0.5 hours, take it out for dehydration, and then put it into 10kg of 8% tetrakis(hydroxymethyl)phosphorus sulfate solution To protect the glue, the pH of the tetrahydroxymethyl phosphate salt solution is 5, and the immersion temperature is 40℃. After 8 hours, it is put into 4% hydrogen peroxide solution for oxidation, soaked at room temperature for 10 hours, then taken out, and then dehydrated and washed , Drying, the drying temperature is 100 ℃, that is, 1000g of silk spinning refined product rich in sericin is obtained.

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Abstract

The invention relates to a method for producing silk glue-enriched silk spinning refined waste silk. In the method, the silk spinning refined waste silk retaining most of silk glue that is difficult to dissolve in a subsequent finishing process is obtained finally by softening, glue maintaining, oxidizing, cleaning and drying. Products prepared by the method have the characteristic that the cost is less than that of the conventional silk spinning refined waste silk and keep spongy and soft simultaneously, and the problem that the silk spinning refined waste silk produced by the conventional glue setting and softening technology yellows with heat is solved. Therefore, the silk spinning refined waste silk can adapt to the subsequent finishing process of silk spinning and blending and, afterbeing carded simply, also can be used as fillers for producing waterproof mattresses or washable thermal appliances and the like, has wide application range and can create great economic benefit.

Description

Technical field [0001] The invention belongs to the silk spinning industry, and in particular relates to a method for producing silk-spun refined products rich in sericin from loose fibrous silk that has not been degummed or completely degummed as raw materials and softened by retaining the glue. Background technique [0002] The refined products used in the silk spinning industry mainly use secondary cocoons that cannot be reeled and raw materials such as spitting, stagnation, and cocoon clothes produced during the reeling process. The refining process is mainly carried out through dilute soap and lye in the primary training and retraining. After the process, the 10%-45% sericin is removed (because the sericin is soluble in water) to obtain a fibrous, soft and refined product with most of the sericin removed. The product obtained by this method has low raw material utilization rate, and the removed sericin wastewater will pollute the environment. Therefore, keeping sericin as ...

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): D01C3/00
Inventor 席星航李龙
Owner 湖北四灵新蚕丝医用技术有限公司