Hollow fiber durability water-repellent finishing method

A water-repellent finishing and durability technology, applied in fiber treatment, liquid repellent fibers, textiles and papermaking, etc., to avoid friction loss, prolong retention time, and improve water-repellent durability

Inactive Publication Date: 2019-10-22
WUHAN TEXTILE UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the traditional fiber or fabric water-repellent finishing methods, most of the fabrics are treated, and there are few related reports on the water-repellent finishing of fibers, especially the finishing methods for treating the internal holes of hollow fibers have not been reported, so the present invention is based on this The current situation proposes water-repellent finishing of hollow fibers to improve the water-repellent durability of hollow fibers

Method used

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  • Hollow fiber durability water-repellent finishing method
  • Hollow fiber durability water-repellent finishing method
  • Hollow fiber durability water-repellent finishing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The fibers to be finished are 1.5Dⅹ38mm Porel polyester hollow fibers, and the water-repellent agent is TEXNOLOGY TM FB205, C6 water-repellent agent.

[0033] ① Connect the air inlet nozzle 1 of the vacuum pump to the upper end of the perspective tube 2 in a sealed connection, and the bottom of the lower end of the perspective tube 2 is provided with uniform small holes arranged in parallel, insert the upper end of the hollow fiber bundles 3 arranged in parallel into the small holes at the bottom of the perspective tube 2, and the hollow fiber bundles 3 The lower end is immersed in the water-repellent agent 4.

[0034] ② Turn on the vacuum pump, the pumping rate of the vacuum pump is 2L / S, and the ultimate vacuum is 10Pa, until the water-repellent agent leaks from the upper end of the hollow fiber bundle in the perspective tube, then turn off the vacuum pump.

[0035] ③Pre-dry the hollow fiber bundle filled with water repellent agent in the cavity, the pre-bake temperat...

Embodiment 2

[0039] The fibers to be finished are 1.5Dⅹ38mm Porel polyester hollow fibers, and the water-repellent agent is TEXNOLOGY TM FB205, C6 water-repellent agent.

[0040] ① Connect the air inlet nozzle 1 of the vacuum pump to the upper end of the perspective tube 2 in a sealed connection, and the bottom of the lower end of the perspective tube 2 is provided with uniform small holes arranged in parallel, insert the upper end of the hollow fiber bundles 3 arranged in parallel into the small holes at the bottom of the perspective tube 2, and the hollow fiber bundles 3. The lower end is immersed in the water repellent agent 4.

[0041] ② Turn on the vacuum pump, the pumping rate of the vacuum pump is 2L / S, and the ultimate vacuum is 10Pa, until the water-repellent agent leaks from the upper end of the hollow fiber bundle in the perspective tube, then turn off the vacuum pump.

[0042] ③Pre-dry the hollow fiber bundle filled with water-repellent agent in the cavity, the pre-drying tempe...

Embodiment 3

[0046] The fibers to be finished are 1.5Dⅹ38mm Porel polyester hollow fibers, and the water-repellent agent is TEXNOLOGY TM FB205, C6 water-repellent agent.

[0047]①The air inlet nozzle 1 of the vacuum pump is sealed and connected with the see-through tube 2, and the lower end of the see-through tube 2 is provided with uniform small holes arranged in parallel, and the upper end of the parallel-arranged hollow fiber bundle 3 is inserted into the small hole at the bottom of the see-through tube 2, and the hollow fiber bundle 3 The lower end is immersed in the water-repellent agent 4.

[0048] ② Turn on the vacuum pump, the pumping rate of the vacuum pump is 2L / S, and the ultimate vacuum is 10Pa, until the water-repellent agent leaks from the upper end of the hollow fiber bundle in the perspective tube, then turn off the vacuum pump.

[0049] ③Pre-dry the hollow fiber bundle filled with water-repellent agent in the cavity, the pre-drying temperature is 120°C, and the pre-drying ...

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 discloses a hollow fiber durability water-repellent finishing method and belongs to the technical field of textiles. Conventional water-repellent finishing methods treating fabric are changed, fiber is finished, a water repellent is arranged into holes inside hollow fiber through a vacuum filling method, and granules of the water repellent are enabled to be crosslinked in the holes of the hollow fiber through baking, so that friction loss of the water repellent during daily use and washing is avoided effectively and active ingredient retention time of the water repellent is prolonged. By finishing the fiber, water-repellent durability of subsequent fabric is improved, and the method is simple and convenient in operation, easy to realize and environment-friendly; compared withconventional water-repellent finishing methods, the method has the advantage that consumption of a reagent is reduced greatly, and the reagent can be utilized 100%.

Description

technical field [0001] The invention relates to a durable water-repellent finishing method for hollow fibers, which belongs to the technical field of textiles. [0002] technical background [0003] With the continuous development of the national economy and science and technology, the scope of use of textiles is gradually expanding, and the requirements for functionality are getting higher and higher, and waterproof fabrics are one of them. At present, most of the water-repellent finishing methods for fibers or fabrics on the market are to apply a finishing agent with a special molecular structure on the surface of the fabric or fiber, that is, a water-repellent finishing agent, which changes the composition of the fiber surface layer and reduces the surface energy of the fabric. To achieve the purpose that the surface of the fabric is not easily wetted by water molecules. The disadvantage of this method is that it affects the hand feeling style of the fabric, and there is ...

Claims

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Application Information

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IPC IPC(8): D06M23/00D06M11/00D06M13/00D06M15/00
CPCD06M11/00D06M13/00D06M15/00D06M23/00D06M2200/12
Inventor 吴济宏鲍婷婷林经纬张新斌高秀红朱三童
Owner WUHAN TEXTILE UNIV
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