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Auxiliary agent in use for regenerated fiber

A technology of regenerated fibers and additives, applied in fiber types, fiber processing, textiles and papermaking, etc., can solve the problems of inability to increase the time of fiber falling into the barrel, winding rolls and wool, and loose fiber bundles, and achieve excellent bundling effect, The effect of increasing economic efficiency

Inactive Publication Date: 2007-05-09
黄山市强力化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the recycled fiber contains impurities such as PE and PP, which affect the crystallization and orientation of the fiber, resulting in loose fiber bundles, and the use of the above-mentioned sizing agent additives has the disadvantage of poor cohesion, resulting in recycled polyester staple fiber in the production process. Can't increase the drop time of fiber, the drop time of fiber can only reach 5-6 minutes
Scattered fiber bundles, winding around rolls and fluff, etc., seriously affect production
And the waste silk is as high as more than 10%, and the economic loss is more than 35%.

Method used

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  • Auxiliary agent in use for regenerated fiber
  • Auxiliary agent in use for regenerated fiber
  • Auxiliary agent in use for regenerated fiber

Examples

Experimental program
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preparation example Construction

[0027] The preparation method of the present invention is:

[0028] 1. Add water into the chemical reaction kettle, heat up to 80-90°C, add sizing agent and stir for not less than 30 minutes to make solution A.

[0029] 2. Add a smoothing agent to solution A at 80-90°C and stir for not less than 60 minutes to make solution B.

[0030] 3. Add antistatic agent to solution B at 80-90°C and stir for not less than 120 minutes to make solution C.

[0031] 4. Cool down solution C to below 30°C, discharge and pack into finished product.

[0032] In the process of chemical fiber production, the detection method of cohesion is to detect the aggregation of detection aids by the time of fiber falling into the bucket. The fiber drop time refers to the time it takes for the fiber bundle to fill the fiber drum. The fiber drop time is generally controlled between 8 and 16 minutes. When the fiber drop time is less than 8 minutes, the fiber bundle appears. Phenomena such as looseness, roll w...

Embodiment 1

[0034]Example 1: Get 15kg of water and add it to the chemical reaction kettle, start the agitator, turn on the heating power, make the water warm up to 80-90°C, add 1kg of polyethylene with an average degree of polymerization of 900-1100 and a degree of alcoholysis of 80% Alcohol, stirred for 30 minutes, then added 0.04kg of amino-modified silicone oil emulsion with an average molecular weight of 10000-20000, continued to stir for 60 minutes, then added 0.8kg of dimethylaminoethanol methyl ammonium palmitate, and continued to stir for 120 minutes , cooled to below 30°C.

Embodiment 2

[0035] Embodiment 2: Get 15kg of water and add it to the chemical reaction kettle, start the agitator, turn on the heating power supply, make the water warm up to 80-90°C, add 1kg of polyethylene with an average degree of polymerization of 900-1100 and a degree of alcoholysis of 80% Alcohol, stirred for 30 minutes, then added 0.05 kg of amino-modified silicone oil emulsion with an average molecular weight of 10,000-20,000, continued to stir for 60 minutes, then added 1 kg of dimethylaminoethanol methyl ammonium palmitate, continued to stir for 120 minutes, and cooled To below 30 ℃, you can.

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Abstract

The present invention discloses an ajuvant for producing regenerated fibre; in particular, it is an adjuvand for producing regenerated polyester fibre. Said adjuvant composition includes bundling agent, smoothing agent, antistatic agent and water. The described bundling agent is one kind of polyvinyl alcohol whose average degree of polymerization is 600-1500 and degree of alcoholization is 80%, polyethylene glycol whose average molecular weight is 400-8000, polyethylene glycol 400 monostearate and polyethylene glycol stearate or their mixture. The weight ratio of said bundling agent, smoothing agent, antistatic agent and water is 1:0.05-0.5:1-5:1.5-8.

Description

technical field [0001] The invention belongs to the technical field of chemical fiber additives, especially the additives used for recycled polyester staple fibers. [0002] technology field. Background technique [0003] With the development of the polyester industry, the environmental pollution caused by various waste polyester products and polyester waste is also increasing. The recycling of waste polyester products and polyester waste has become a very urgent issue. At present, after recycling The polyester products and polyester waste are mainly used to manufacture recycled polyester staple fibers. The main process is sorting and crushing, cleaning, drying, spinning, ring blowing, winding, falling into barrels, clustering, drafting, crimping, heating Shaping, cutting, packing process. At present, the commonly used oil agent for polyester staple fiber is mainly composed of smoothing agent, sizing agent and antistatic agent. The sizing agent used is polyethylene glycol ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/687D06M15/333D06M13/392D06M101/32
Inventor 叶光华
Owner 黄山市强力化工有限公司
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