CN-122013478-A - Functional fabric based on laser engraving microstructure cooperation and preparation method thereof

Abstract

The invention provides a functional fabric based on laser engraving microstructure cooperation and a preparation method thereof, and belongs to the technical field of textile fabric processing. The method comprises the steps of S1, preparing a fabric, namely blending cotton fibers, polyester fibers and bamboo fibers to obtain cotton/polyester/bamboo blended yarns, weaving to obtain the fabric to be treated for standby, S2, laser engraving, S2.1, designing a laser engraving pattern, S2.2, setting operation parameters of laser equipment, S2.3, adjusting positions of the pattern on the fabric, and carrying out laser engraving, S3, and post-treatment. The invention constructs the micro-concave, edge-covering and micropore composite physical structure on the surface of the cotton/polyester/blended fabric by a laser technology, is used as a physical anchoring point, combines the chemical bonding effect, and cooperatively improves the combination fastness and the washing resistance of the antibacterial substance on the surface of the fabric.

Inventors

• DUAN XIAODAN
• CHENG XINYA
• LIU LINYUN
• TIAN ZENGRONG
• SHEN SIYU
• HUANG HONG
• XU JIEQING
• HE CHENG
• Zheng Chujun
• CAI JUNXIA
• HUANG KAILIN
• ZHUO YUNBIN
• XIE PEIYING
• LU JIAJUN
• LI ZHUJUN
• LV YING
• DONG XUYE
• ZHU JIANGBO
• Che Yongdie
• YAO XIANG
• ZHANG ZEJUN

Assignees

• 广东职业技术学院

Dates

Publication Date

20260512

Application Date

20260318

Claims (10)

1. 1. The preparation method of the functional fabric based on the cooperation of the laser engraving microstructures is characterized by comprising the following steps of: s1, preparing a fabric, namely blending cotton fibers, polyester fibers and bamboo fibers to obtain cotton/polyester/bamboo blended yarns, and weaving to obtain the fabric to be treated for later use; S2, laser engraving: S2.1, designing a laser engraving pattern; s2.2, setting operation parameters of the laser equipment; S2.3, adjusting the position of the pattern on the fabric, and carrying out laser engraving; S3, post-processing: Dipping the fabric subjected to laser carving in N- (beta-aminoethyl) -gamma-aminopropyl trimethoxy silane aqueous solution to react to obtain an ammoniated fabric, then dipping the ammoniated fabric in an antibacterial microcapsule finishing liquid, soaking and padding three times, performing heat treatment, washing with water, and drying to obtain the functional fabric; The preparation method of the antibacterial microcapsule comprises the following steps: Uniformly mixing methyl methacrylate, ethylene glycol dimethacrylate, acrylic acid, allyl glycidyl ether, polyvinylpyrrolidone and 4, 5-dichloro-2-n-octyl-3-isothiazolinone to obtain a mixture, adding deionized water with a certain proportion into the mixture, controlling the temperature of the system to be 40-55 ℃, homogenizing, sequentially adding potassium persulfate and sodium dodecyl benzene sulfonate after homogenizing, raising the temperature of the system to 60-85 ℃, stirring for 12-36h, repeatedly washing with ethanol and petroleum ether after centrifugation, and freeze-drying after washing to obtain the antibacterial microcapsule.
2. 2. The method for preparing the functional fabric based on the laser engraving microstructure synergy of claim 1, wherein the mass ratio of the cotton fiber to the polyester fiber to the bamboo fiber in the step S1 is 3-7:1-2:1-5.5.
3. 3. The preparation method of the functional fabric based on laser engraving microstructure cooperation according to claim 1 is characterized in that the operation parameters of the laser equipment in the step S2.2 are as follows (1) resolution (dpi) of 100-180 of grating axis and 300-600 of vertical axis, (2) processing speed 13000-15000mm/S and skip speed 13000-15000mm/S, and (3) skip delay 1000 mu S and light-on delay 800 mu S.
4. 4. The preparation method of the functional fabric based on laser engraving microstructure cooperation according to claim 1, wherein the mass ratio of methyl methacrylate, ethylene glycol dimethacrylate, acrylic acid and allyl glycidyl ether in the step S3 is 50-80:1-5:1-5:3-10.
5. 5. The method for preparing the functional fabric based on the laser engraving microstructure synergy according to claim 1, wherein the addition amount of the polyvinylpyrrolidone in the step S3 is 1-5% of the total mass of the water phase.
6. 6. The method for preparing the functional fabric based on the laser engraving microstructure synergy according to claim 1, wherein the addition amount of the 4, 5-dichloro-2-n-octyl-3-isothiazolinone in the step S3 is 10-40% of the total solid content.
7. 7. The preparation method of the functional fabric based on laser engraving microstructure cooperation according to claim 1 is characterized in that the adding amount of potassium persulfate in the step S3 is 0.2-1.0wt% of the total monomer, and the adding amount of sodium dodecyl benzene sulfonate in the step S3 is 0.1-1.0% of the total water phase.
8. 8. The preparation method of the functional fabric based on laser engraving microstructure cooperation, which is characterized in that the concentration of the N- (beta-aminoethyl) -gamma-aminopropyl trimethoxysilane aqueous solution in the step S3 is 10-30g/L, and the concentration of the antibacterial microcapsule finishing liquid in the step S3 is 20-40g/L.
9. 9. The functional fabric based on laser engraving microstructure synergy, which is prepared by the method according to any one of claims 1-8.
10. 10. The functional fabric based on laser engraving microstructure cooperation prepared by the method according to any one of claims 1 to 8 or the application of the functional fabric based on laser engraving microstructure cooperation according to claim 9 in the fields of medical treatment, nursing, home furnishing and pet articles.

Description

Functional fabric based on laser engraving microstructure cooperation and preparation method thereof Technical Field The invention relates to the technical field of textile fabric processing, in particular to a functional fabric based on laser engraving microstructure cooperation and a preparation method thereof. Background The laser engraving technology refers to engraving technology for forming a three-dimensional pattern on the surface of a material by rapidly heating the material by regulating and controlling parameters such as laser power, scanning speed, movement track and the like. The laser carving technology has the characteristics of high power concentration degree, good directivity, low energy consumption, automation, stability, high precision, no contact during processing, environmental protection and the like in the processing process, after drawing of patterns or shapes is completed on computer software, only files which can be identified are led into a computer connected with laser equipment, textiles to be processed are aligned with the positions of the laser carving equipment, corresponding operating parameters of the laser carving equipment are set, and laser carving is started. The application of the laser engraving technology on textiles is mainly characterized in that the surface of the fabric is rapidly heated, so that fibers or dyes and the like in a heated area are vaporized, melted or carbonized at high temperature, and a preset engraving pattern is formed. The development of functional textile fabrics has long faced with the core contradiction of incomparable functionality and durability, and the prior art is mainly improved by the following methods, wherein functional materials are attached to the surface of the fabric by a coating or dipping method. However, the functional material is mainly physically adsorbed, has poor binding force with the base material, is very easy to fall off after repeated washing for many times, and is difficult to meet long-term use requirements. The other method is to directly implant the functional material into the fiber, and the method has the advantages of complex process, high cost and single function although the washability of the functional material is better, and can not meet the diversified demands of consumers on the functional fabric. Disclosure of Invention The invention provides a functional fabric based on laser engraving microstructure synergy and a preparation method thereof, the invention constructs a micro-concave, edge-covering and micropore composite physical structure on the surface of cotton/polyester/blended fabric by a laser technology, as a physical anchoring point, the combination of chemical bonding effect simultaneously improves the combination fastness and the washing resistance of the antibacterial substance on the surface of the fabric. In order to achieve the above purpose, the invention adopts the following technical scheme: the invention provides a preparation method of a functional fabric based on laser engraving microstructure cooperation, which comprises the following steps: s1, preparing a fabric, namely blending cotton fibers, polyester fibers and bamboo fibers to obtain cotton/polyester/bamboo blended yarns, and weaving to obtain the fabric to be treated for later use; S2, laser engraving: S2.1, designing a laser engraving pattern; s2.2, setting operation parameters of the laser equipment; S2.3, adjusting the position of the pattern on the fabric, and carrying out laser engraving; S3, post-processing: Dipping the fabric subjected to laser carving in N- (beta-aminoethyl) -gamma-aminopropyl trimethoxy silane aqueous solution to react to obtain an ammoniated fabric, then dipping the ammoniated fabric in an antibacterial microcapsule finishing liquid, soaking and padding three times, performing heat treatment, washing with water, and drying to obtain the functional fabric; The preparation method of the antibacterial microcapsule comprises the following steps: Uniformly mixing methyl methacrylate, ethylene Glycol Dimethacrylate (EGDMA), acrylic acid, allyl glycidyl ether, polyvinylpyrrolidone (PVP) and 4, 5-dichloro-2-n-octyl-3-isothiazolinone (DCOIT) to obtain a mixture, adding deionized water with a certain proportion into the mixture, controlling the temperature of the system to be 40-55 ℃, homogenizing, sequentially adding potassium persulfate and sodium dodecyl benzene sulfonate after homogenizing, heating the system to 60-85 ℃, stirring for 12-36h, repeatedly washing for 3 times by using ethanol and petroleum ether after centrifuging, and freeze-drying after washing to obtain the antibacterial microcapsule. Further, the mass ratio of the cotton fiber, the polyester fiber and the bamboo fiber in the step S1 is 3-7:1-2:1-5.5. Further, in step S2, the laser engraving mode is dot matrix engraving. Further, the operation parameters of the laser device in the step S2.2 are as follows (1) resolution (dpi) that the gra