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Antibacterial positive ion polyester blended yarn and preparation process thereof

A technology of cationic polyester and blended yarn, which is applied in the direction of yarn, textile and paper making, and can solve the problems of high hairiness, poor antibacterial property of cationic polyester, poor spinnability of chitosan fiber, etc.

Inactive Publication Date: 2019-10-01
SUZHOU UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of more hairiness, poor antibacterial properties of cationic polyester and poor spinnability of chitosan fibers in the prior art, and provide a cationic polyester blended yarn with antibacterial function and its preparation process

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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  • Antibacterial positive ion polyester blended yarn and preparation process thereof
  • Antibacterial positive ion polyester blended yarn and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A kind of preparation technology of antibacterial functional cationic polyester blended yarn, its specific steps are as follows:

[0051] (1) prepare chitosan fiber: under the condition of 40 ℃, chitosan is placed in the NaOH aqueous solution that mass fraction is 40%, and the chitosan powder of different deacetylation degree is obtained through deacetylation treatment at different times, and then A chitosan spinning stock solution with a mass fraction of 3% was prepared with 1% acetic acid aqueous solution as a solvent, and placed in a blast drying oven to keep the temperature constant at different temperatures. Finally, under the pressure of nitrogen, the spinning stock solution is extruded from the spinneret hole and enters the coagulation bath, and the coagulated fiber is stretched, washed and dried to obtain chitosan fiber;

[0052] (2) Prepare cationic polyester after plasma treatment:

[0053] (2.1) Add the third monomer dimethyl isophthalate-5-sodium sulfonate ...

Embodiment 2

[0081] A preparation process of antibacterial function cationic polyester blended yarn is basically the same as embodiment 1, the difference is the preparation method of chitosan fiber, the plasma treatment process of cationic polyester and the cationic polyester and cotton fiber after plasma treatment The mass ratio with chitosan fiber is 10:70:20;

[0082] The preparation method of chitosan fiber is as follows: under the condition of 40 ℃, chitosan is placed in the NaOH aqueous solution with mass fraction of 40%, and chitosan powder with different degrees of deacetylation is obtained through deacetylation treatment at different times, and then A chitosan spinning stock solution with a mass fraction of 3% was prepared with 1% acetic acid aqueous solution as a solvent, and placed in a blast drying oven to keep the temperature constant at different temperatures. Finally, under the pressure of nitrogen, the spinning stock solution is squeezed out of the spinneret hole and enters...

Embodiment 3

[0090] A kind of preparation technology of antibacterial functional cationic polyester blended yarn, its specific steps are as follows:

[0091] (1) prepare chitosan fiber: under the condition of 60 ℃, chitosan is placed in the NaOH aqueous solution that mass fraction is 55%, and the chitosan powder of different deacetylation degree is obtained through deacetylation treatment at different times, and then A chitosan spinning stock solution with a mass fraction of 5% was prepared with 3% acetic acid aqueous solution as a solvent, and placed in an air blast drying oven to keep the temperature constant at different temperatures. Finally, under the pressure of nitrogen, the spinning stock solution is squeezed out of the spinneret hole and enters the coagulation bath, and the coagulated fiber is stretched, washed and dried, and then processed to obtain chitosan fiber;

[0092] (2) Prepare cationic polyester after plasma treatment:

[0093] (2.1) Add the third monomer dimethyl isoph...

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Abstract

The invention relates to an antibacterial positive ion polyester blended yarn and a preparation process thereof. The preparation process includes the steps: mixing plasmas treated positive ion polyester, cotton fibers and chitosan fibers; sequentially performing opening and picking, carding; secondary drawing, roving, spinning and spooling on mixture to prepare antibacterial positive ion polyesterblended yarn. Parameters of a spooling process include that spooling speed is 950-1100m / min, tension is 6-8cN, the count of the finally prepared antibacterial positive ion polyester blended yarn is 20-60Ne, breaking strength is 165.2-369.6cN, breaking elongation is 8.19-17.69%, moisture regain is 3.29-6.75%, and escherichia coli and staphylococcus aureus resisting ratio can reach 70% or more. Thepreparation process solves the problems of poor antibacterial capability of positive ion polyester and spinning property of the chitosan fibers, and the prepared yarn has less hairiness and excellentantibacterial functions.

Description

technical field [0001] The invention belongs to the technical field of textiles, and relates to an antibacterial functional cationic polyester blended yarn and a preparation process thereof. Background technique [0002] Cationic polyester, also known as cationic dye-dyeable polyester, belongs to modified polyester products and is widely developed and applied. Cationic polyester greatly improves the color-absorbing performance of the fiber, and at the same time reduces the crystallinity of the fiber so that the dye molecules are easy to penetrate, easy to dye, and the moisture absorption and air permeability are further improved. The modified cationic polyester is dyed with cationic dyes, the dyed fabrics are bright in color, the dye absorption rate is high, and the discharge of printing and dyeing wastewater is greatly reduced. However, polyester fiber itself has poor antibacterial properties, and the use of various auxiliaries and finishing agents in the textile dyeing an...

Claims

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Application Information

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IPC IPC(8): D02G3/04D02G3/44
CPCD02G3/04D02G3/449D10B2331/04
Inventor 张岩张明其吴沁婷张鸿李刚潘志娟
Owner SUZHOU UNIV
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