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Alkaline finishing method of low-gram-weight polyester colored gauze

A low-weight, polyester technology, applied in fiber processing, textiles and papermaking, fiber types, etc., can solve the problems of polyester fabric mechanical properties and wear resistance optimization, gray fabric cracking, straight wrinkling, etc., to achieve energy saving and cost reduction , Stabilize water and oil repellency, and improve product quality

Pending Publication Date: 2022-07-29
圣山集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The post-finishing step adopted is to soak the superfine polyester fabric that has been soaped and fixed in the post-finishing liquid, adopt two dipping and two rolling, and then dry. Combustibility, antistatic, antibacterial, anti-wrinkle, etc., can increase the added value of the product, and have not optimized the mechanical properties and wear resistance of the polyester fabric itself, and gray fabric cracks, straight wrinkles, and slipping will still occur.

Method used

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  • Alkaline finishing method of low-gram-weight polyester colored gauze
  • Alkaline finishing method of low-gram-weight polyester colored gauze
  • Alkaline finishing method of low-gram-weight polyester colored gauze

Examples

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preparation example Construction

[0030] Wherein, the preparation method of hydrophobic anti-ultraviolet finishing agent comprises the following steps:

[0031] Add nano-titanium dioxide particles with a particle size of not more than 100 nm to the sapura gum aqueous solution with a concentration of 3-7%, and then sonicate, and then add citric acid dropwise while stirring and react at 60-90 ° C for 1-4 hours to obtain sapura gum modified. Then add it to a mixture of hydroxyl-terminated polysiloxane (weight average molecular weight 5000-10000), epichlorohydrin and ethanol, and react at 40-70°C for 2-5h to obtain hydrophobic Anti-ultraviolet finishing agent; the mass ratio of the sapura gum aqueous solution, nano-titanium dioxide particles, and citric acid is 40-75: 1-3: 0.5-2; The mass ratio of chloropropane and ethanol is 40-75: 100-170: 8-20: 20-45; that of the hydroxyl-terminated polysiloxane.

Embodiment 1

[0033] The alkaline finishing method of low gram weight polyester colored gauze comprises the following steps:

[0034] Select 500D, 64 warp density / inch colored warp yarns and 250D, 64 weft density 64 / inch colored weft yarns for low-density weaving to obtain low gram weight polyester colored gauze, gram weight 100g / m 2 ; Immerse the low-gram weight polyester-colored gauze in an alkaline finishing agent, and use stepwise heating, first at a rate of 0.6°C / min to 80°C, then at a rate of 0.7°C / min to 110°C, and at 100°C Incubate at ℃ for 30 min; then cool down to 90 ℃ at a rate of -3 ℃ / min, take out and dry at 90 ℃. Wherein, the alkaline finishing agent is obtained by mixing hydrogen peroxide with a concentration of 2 g / L and liquid caustic soda with a concentration of 3 g / L at a mass ratio of 2:1, and its pH is adjusted to 8-10.

Embodiment 2

[0036]The alkaline finishing method of low gram weight polyester colored gauze comprises the following steps:

[0037] Select 500D, 64 warp density / inch colored warp yarns and 250D, 64 weft density 64 / inch colored weft yarns for low-density weaving to obtain low gram weight polyester colored gauze, gram weight 120g / m 2 ; Immerse the low-gram weight polyester-colored gauze in an alkaline finishing agent, and use stepwise heating, first to 80°C at a rate of 0.5°C / min, then to 110°C at a rate of 0.6°C / min, and at 100°C Incubate at °C for 20 min; then cool down to 90 °C at a rate of -3 °C / min, take it out and dry at 90 °C. The alkaline finishing agent is obtained by mixing hydrogen peroxide with a concentration of 2g / L and liquid caustic soda with a concentration of 3g / L at a mass ratio of 3:1, and the pH is adjusted to 8-10.

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Abstract

The invention relates to the technical field of polyester colored gauze finishing, and discloses an alkaline finishing method for low-gram-weight polyester colored gauze, which comprises the following steps: immersing the low-gram-weight polyester colored gauze into an alkaline finishing agent, heating to 100-110 DEG C, preserving heat for 10-30 minutes, cooling, taking out and drying; the gram weight of the low-gram-weight polyester colored gauze is 85-125g / m < 2 >; the alkaline finishing agent comprises hydrogen peroxide and liquid caustic soda, and the pH is 8-10. The alkaline finishing agent hydrolyzes fiber ester bonds, and fibers on the surface of the low-gram-weight polyester color gauze generate an alkaline etching effect, so that the surface of the color gauze becomes smooth, the phenomena of yarn cracking and stitch slipping are avoided, and the product quality is improved; the mechanical property of the finished low-gram-weight polyester colored gauze is still good, and particularly, the tensile strength and the wear resistance of gray fabric are optimal; the finishing time can be shortened, and the purposes of saving energy, reducing consumption and reducing cost are achieved.

Description

technical field [0001] The invention relates to the technical field of polyester-colored gauze finishing, in particular to an alkaline finishing method for low-gram weight polyester-colored gauze. Background technique [0002] Low gram weight polyester colored gauze is a low-density woven fabric made of fine-denier colored polyester yarns interwoven in warp and weft. It is mostly used in outdoor products such as beach chairs, such as yacht covers, sunshade cloth, sofa art, etc. With the improvement of people's living standards, people's demand for outdoor sports and leisure life is increasing, and the market prospect of low-gram weight polyester gauze is becoming more and more extensive. [0003] However, due to the low-density weaving characteristics of low-gram weight polyester yarn-dyed gauze, the grey fabric of the yarn-dyed fabric is relatively loose, and the phenomenon of cracking, straight wrinkling, and falling off during the post-finishing and cleaning of the grey ...

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 Applications(China)
IPC IPC(8): D06M11/38D06M11/46D06M11/50D06M15/03D06M15/643D06M101/32
CPCD06M11/50D06M11/38D06M11/46D06M15/03D06M15/643D06M2101/32D06M2200/25D06M2200/12D06M2200/11
Inventor 朱百龙
Owner 圣山集团有限公司
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