阅读说明：本技术 一种吸湿快干织带 (Moisture-absorbing and quick-drying woven belt ) 是由 王�琦 于 2020-02-27 设计创作，主要内容包括：本发明涉及一种吸湿快干织带,其特征在于,其为双层结构,分为表层和底层,在底层上设置表层,表层为弹性吸湿快干层,底层为亲水导湿层。本申请表层的莫代尔具有优异的弹性,底层的尼龙纤维具有优异的亲水性结构；利用具有亲水和疏水性结构不同的纤维结构为表层和底层结构,从而实现织带对水分结合力的差异,从而实现水分方向性传输效果。(The invention relates to a moisture-absorbing quick-drying mesh belt which is characterized by being of a double-layer structure and comprising a surface layer and a bottom layer, wherein the surface layer is arranged on the bottom layer, the surface layer is an elastic moisture-absorbing quick-drying layer, and the bottom layer is a hydrophilic moisture-conducting layer. The modal of the surface layer has excellent elasticity, and the nylon fiber of the bottom layer has an excellent hydrophilic structure; the fiber structures with different hydrophilic and hydrophobic structures are used as the surface layer structure and the bottom layer structure, so that the difference of the binding force of the mesh belt to the moisture is realized, and the directional moisture transmission effect is realized.)

1. A moisture absorption quick-drying ribbon is characterized in that the ribbon is of a double-layer structure and is divided into a surface layer and a bottom layer, wherein the surface layer is arranged on the bottom layer, the surface layer is an elastic moisture absorption quick-drying layer, and the bottom layer is a hydrophilic moisture-conducting layer; the material of the hydrophilic moisture-transmitting layer is hydrophilic moisture-transmitting fiber.

2. The moisture absorbable and quick-drying webbing of claim 1, wherein the ratio of the thickness of the top layer to the thickness of the bottom layer is 1:2.5 to 1: 4.5.

3. The moisture absorbable, quick-drying webbing of claim 1, wherein the base layer and the face layer are connected by means of warp knitting.

4. The moisture-absorbing and quick-drying mesh belt as claimed in claim 1, wherein the elastic moisture-absorbing and quick-drying layer is made of modal fibers and cross-shaped polyester fibers in a blending mode, and the mass fraction of the modal fibers in the material of the elastic moisture-absorbing and quick-drying layer is 1-5%.

5. The moisture absorbing, quick drying webbing of claim 1, wherein the material of the base layer is nylon fiber.

6. The moisture absorbing and quick drying webbing of claim 1, wherein the hydrophilic moisture conducting layer is made of hydrophilic moisture conducting fibers, and the spinneret used for spinning is a profile spinneret; the structure of the special-shaped spinneret plate is as follows: the first micropore, the second micropore and the third micropore; the first micropores are of a T-shaped structure and comprise a first tangential arc and a first radial side length;

the first micropore, the second micropore and the third micropore form a circular section through the first tangential circular arc, the second tangential circular arc and the third tangential circular arc.

7. The moisture absorbing, quick drying webbing of claim 1, wherein said hydrophilic moisture wicking fibers are prepared by a process comprising the steps of;

preparation of sulfur mesoporous carbon

Adding semicrystalline cellulose into a quartz reaction crucible as a raw material, adding concentrated sulfuric acid into the quartz reaction crucible, then carrying out carbonization corrosion by the concentrated sulfuric acid with the concentration of 98%, placing the quartz reaction crucible into a muffle furnace to calcine a carbonization load under the protection of argon after 30 minutes of carbonization corrosion in the quartz reaction crucible, and doping and naturally cooling reactants under the protection of argon to prepare sulfur mesoporous carbon;

preparation of barium-titanium-sulfur mesoporous carbon

Taking the sulfur mesoporous carbon prepared in the step (one) as a raw material, adding the sulfur-doped mesoporous carbon into a titanyl sulfate solution by a vibration impregnation method, so that titanyl sulfate is adsorbed and loaded on the sulfur-doped mesoporous carbon, then filtering to obtain a crude product of the sulfur-doped mesoporous carbon loaded with titanyl sulfate, then coating barium sulfate particles on the surface of the crude product by a precipitation method, dispersing the crude product in a mixed solvent of isopropanol and deionized water, then adjusting the pH of the system to be 8-10, adding barium hydroxide into the mixed solvent in which the crude product is dispersed, carrying out precipitation reaction, then filtering to obtain filter residue, calcining the filter residue at 220-450 ℃ under the condition of hydrogen as reducing gas, and naturally cooling after the calcination to obtain barium titanium sulfur mesoporous carbon;

preparation of hydrophilic moisture-conducting fiber

The method comprises the following steps of taking terephthalic acid, ethylene glycol and barium titanium sulfur mesoporous carbon as raw materials, adding the terephthalic acid, the ethylene glycol, the barium titanium sulfur mesoporous carbon, sodium acetate, ethylene glycol antimony and triphenyl phosphate into a pulping kettle, and pulping for 45-60 min at the temperature of 25-80 ℃ to obtain esterified pulping liquid; dispersing terephthalic acid and alcohol through esterification pulping, then introducing the esterification pulping liquid into an esterification kettle through a polymerization pipeline, wherein in a nitrogen atmosphere, the esterification reaction temperature is 235-245 ℃, the esterification reaction pressure is 0.15-0.25 MPa, the esterification reaction time is 1.5-2.5 h, and when the theoretical water yield reaches 95%, an esterified substance is obtained after the reaction is finished; introducing the obtained esterified product into a polycondensation kettle through a polymerization pipeline, taking nitrogen as protective gas under the condition of normal pressure, reacting at the temperature of 245-255 ℃ for 2.0-2.5 h, and obtaining a polyester oligomer after the esterification reaction is finished; and introducing the obtained polyester oligomer into a final polycondensation reaction kettle through a polymerization pipeline, and then performing final polycondensation under the conditions of high temperature and high vacuum to prepare the required functional polyester melt. The hydrophilic moisture-conducting fiber is prepared by spinning the prepared functional melt by adopting a melt direct spinning process and a spinneret plate with a special-shaped structure.

Technical Field

The invention relates to the technical field of woven belts, in particular to a moisture-absorbing and quick-drying woven belt.

Background

The woven belt is made of various yarns as raw materials into narrow-width fabric or tubular fabric. The woven fabric has various varieties and is widely applied to various industrial departments such as clothes, shoe materials, cases, industry, agriculture, military needs, transportation and the like. In the 30 s, the woven belts were produced by manual workshops and made of cotton threads and linen threads. After the new China is established, the raw materials for the mesh belt are gradually developed into chinlon, vinylon, terylene, polypropylene fiber, spandex, viscose glue and the like to form three major process technologies of weaving, knitting and knitting, and the fabric structure has plain weave, twill, satin, jacquard weave, double layers, multi-layer, tubular and combined weave.

At present, a plurality of braid enterprises in China exist, each place has a plurality of braid factories and traders, wherein the most concentrated places are Guangzhou, Dongguan, Quanzhou, Yiwu, Wenzhou and the like, because the advantages of the places are different, the prices are different, the Guangzhou has the concentrated braid factories in the whole country of the chiffon city, the grades are different, the Quanzhou area belongs to middle grade in the whole country, part of the Guangzhou area has high-grade braids, and the Yiwu has raw materials and the artificial advantages are more middle and low grade, and the Guangzhou is used as a Baikai company of the Quanzhou and is also an opener of various novel braids.

Disclosure of Invention

The application aims to overcome the defects of the prior art and provide the moisture absorption quick-drying mesh belt.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a moisture absorption quick-drying meshbelt, bilayer structure divide into top layer and bottom, sets up the top layer on the bottom, and the top layer is the quick dry layer of elasticity moisture absorption, and the bottom is hydrophilic wet layer of leading.

The thickness ratio of the surface layer to the bottom layer is 1: 2.5-1: 4.5.

The bottom layer and the surface layer are connected in a warp knitting weaving mode.

The elastic moisture absorption quick-drying layer is made of modal fibers and cross-shaped polyester fibers in a blending mode, and the mass fraction of the modal fibers in the material of the elastic moisture absorption quick-drying layer is 1-5%.

The bottom layer is made of nylon fibers.

The hydrophilic moisture-conducting layer is made of hydrophilic moisture-conducting fibers, and a spinneret plate used for spinning is a special-shaped spinneret plate. The structure of the special-shaped spinneret plate is as follows: the first micropore, the second micropore and the third micropore; the first micropores are of a T-shaped structure and comprise a first tangential arc and a first radial side length;

the second micropore and the first micropore have the same structure; the second micro-holes comprise a second tangential circular arc and a second radial side length;

the third micropore and the first micropore have the same structure; the third micro-holes comprise a third tangential circular arc and a third radial side length;

the first micropore, the second micropore and the third micropore form a circular section through the first tangential circular arc, the second tangential circular arc and the third tangential circular arc.

The preparation method of the hydrophilic moisture-conducting fiber comprises the following steps;

preparation of sulfur mesoporous carbon

Adding semicrystalline cellulose into a quartz reaction crucible as a raw material, adding concentrated sulfuric acid into the quartz reaction crucible, then carrying out carbonization corrosion by the concentrated sulfuric acid with the concentration of 98%, after carrying out carbonization corrosion in the quartz reaction crucible for 30 minutes, putting the quartz crucible into a muffle furnace under the protection of argon gas to calcine a carbonization load, and carrying out doping and natural cooling on reactants under the protection of argon gas to prepare the sulfur mesoporous carbon.

The mass ratio of the semicrystalline cellulose to the concentrated sulfuric acid is 1: 16-1: 21;

the flow rate of the argon is controlled to be 1000-5000 m L/min.

The muffle furnace is used for calcining at the temperature of 220-320 ℃ for 45-75 min.

The semicrystalline cellulose is mainly in a lignin structure, is used as a glucose unit component structure and a common carbon source structure, and has the characteristics of wide source and low cost; the mesoporous carbon material with a high fluffy structure is obtained through the corrosion action of concentrated sulfuric acid, low-concentration sulfuric acid is remained in the mesoporous carbon structure due to the corrosion action, and the sulfuric acid which is used for reaction is decomposed and simultaneously reacts with the mesoporous carbon through high-temperature oxygen-free calcination reaction, so that the preparation of the sulfur-doped mesoporous carbon with high specific surface area and high activity is realized.

Preparation of barium-titanium-sulfur mesoporous carbon

Taking the sulfur mesoporous carbon prepared in the step (one) as a raw material, adding the sulfur-doped mesoporous carbon into a titanyl sulfate solution by a vibration impregnation method, so that titanyl sulfate is adsorbed and loaded on the sulfur-doped mesoporous carbon, then filtering to obtain a crude product of the sulfur-doped mesoporous carbon loaded with titanyl sulfate, then coating barium sulfate particles on the surface of the crude product by a precipitation method, dispersing the crude product in a mixed solvent of isopropanol and deionized water, then adjusting the pH of the system to be 8-10, adding barium hydroxide into the mixed solvent in which the crude product is dispersed, carrying out precipitation reaction, then filtering to obtain filter residue, calcining the filter residue at 220-450 ℃ in hydrogen as a reducing gas, and naturally cooling after the calcination to obtain the barium titanium sulfur mesoporous carbon.

The titanyl sulfate solution is a deionized water solution with the mass fraction of titanyl sulfate being 10-25%, the mass fraction of sulfur-doped mesoporous carbon in the titanyl sulfate solution is 5-10%, and the oscillation dipping time is 60-90 min;

the volume ratio of isopropanol to deionized water in the mixed solvent is 1: 1, the volume ratio of the barium hydroxide to the mixed solvent is 1: 10-1: 20, precipitating for 90-180 min;

the calcination time is 1.5-3.0 h.

By utilizing the high specific surface and the active structure of sulfur-doped mesoporous carbon, titanyl sulfate is loaded on a mesoporous carbon material, and barium sulfate with a large light function is coated on the mesoporous carbon material loaded with titanyl sulfate by a precipitation process and then subjected to high-temperature calcination reduction reaction, so that the loading of a large material related to barium sulfate on the mesoporous carbon material is realized, and the function of forming barium sulfate particles by in-situ precipitation on the surface of the material is realized by utilizing sulfate particles at the decomposition position of the titanyl sulfate at high temperature and the function of the sulfate particles on barium ions; meanwhile, the high specific surface area and the high activity of the high-activity sulfur-doped mesoporous carbon material are avoided, multifunctional load on the mesoporous carbon structure and protection of functional components are realized through the coating effect of the barium sulfate material on the outermost layer, titanium dioxide uneven distribution caused by the conventional blending scheme is avoided, the titanyl sulfate structure is decomposed into titanium dioxide with high catalytic activity and antibacterial action at high temperature through the reduction action of the calcining process, and the formed titanium dioxide and the carbon/sulfur structure form a primary cell structure by utilizing the sulfur on the doped structure, so that the stability, the high antibacterial property and the high catalytic property of the titanium dioxide structure are ensured, and the problems that the conventional titanium dioxide structure is difficult to wake up the high temperature reaction and has poor stability in the wet air are avoided.

Meanwhile, through the precipitation treatment of barium sulfate, the sulfur-doped mesoporous carbon loaded with titanyl sulfate is subjected to inerting treatment, the decomposition and catalytic activity of titanium dioxide in the loaded titanyl sulfate structure are reduced, the degradation effect of materials caused by polymerization and decomposition in the later application process is avoided, and the high refraction effect of barium sulfate is utilized to endow polyester with a great light effect.

Preparation of hydrophilic moisture-conducting fiber

The method comprises the following steps of taking terephthalic acid, ethylene glycol and barium titanium sulfur mesoporous carbon as raw materials, adding the terephthalic acid, the ethylene glycol, the barium titanium sulfur mesoporous carbon, sodium acetate, ethylene glycol antimony and triphenyl phosphate into a pulping kettle, and pulping for 45-60 min at the temperature of 25-80 ℃ to obtain esterified pulping liquid; dispersing terephthalic acid and alcohol through esterification pulping, then introducing the esterification pulping liquid into an esterification kettle through a polymerization pipeline, wherein in a nitrogen atmosphere, the esterification reaction temperature is 235-245 ℃, the esterification reaction pressure is 0.15-0.25 MPa, the esterification reaction time is 1.5-2.5 h, and when the theoretical water yield reaches 95%, an esterified substance is obtained after the reaction is finished; introducing the obtained esterified product into a polycondensation kettle through a polymerization pipeline, taking nitrogen as protective gas under the condition of normal pressure, reacting at the temperature of 245-255 ℃ for 2.0-2.5 h, and obtaining a polyester oligomer after the esterification reaction is finished; and introducing the obtained polyester oligomer into a final polycondensation reaction kettle through a polymerization pipeline, and then performing final polycondensation under the conditions of high temperature and high vacuum to prepare the required functional polyester melt. The hydrophilic moisture-conducting fiber is prepared by spinning the prepared functional melt by adopting a melt direct spinning process and a spinneret plate with a special-shaped structure.

The molar ratio of the terephthalic acid to the ethylene glycol is 1: 1.05-1: 1.35, the mass ratio of the terephthalic acid to the barium titanium sulfur mesoporous carbon is 1: 0.01-1: 0.05, 0.0025 percent of sodium acetate, 0.0025 percent of ethylene glycol antimony and 0.0025 percent of triphenyl phosphate.

In the melt direct spinning process, the spinning temperature is 280-295 ℃, the speed of circular blowing air is 0.3-0.5 m/min, the length of a circular blowing air cylinder is 90-165 cm, the stretching multiple is 1.8-2.2 times, and the spinning winding speed is 3800-4500 m/min.

Compared with the prior art, the positive effect of this application is:

through adopting hydrophilic wet fibre spinneret orifice behind melt spinning, the fibre forms the inside hollow cross section that has the antenna, excellent moisturizing and wet-conducting effect has, utilize inside radial side length structure and tangential circular arc to form the inner groovy structure, excellent capillary effect has, the excellent wet and the effect of moisturizing of leading of fibre structure of improving itself, realize the fibre inside recess moisture absorption moisture in higher moisture environment, the inside capillary effect leads wet fast simultaneously, keep the quick transmission of meshbelt moisture, simultaneously in lower moisture environment, utilize the groove structure of inside capillary to preserve moisture, realize the transmission of moisture to the outside, in the double-deck meshbelt structure, thereby utilize the moisture of the quick absorption of hydrophilic fibrous layer, thereby make moisture can be quick lead wet.

The modal of the surface layer has excellent elasticity, and the nylon fiber of the bottom layer has excellent hydrophilic structure; the fiber structures with different hydrophilic and hydrophobic structures are used as the surface layer structure and the bottom layer structure, so that the difference of the binding force of the mesh belt to the moisture is realized, and the directional moisture transmission effect is realized.

Drawings

FIG. 1 is a schematic view of an absorbent quick-drying wet webbing;

FIG. 2 is a schematic cross-sectional view of a spinneret for hydrophilic moisture-wicking fibers;

the labels in the figures are:

1 is a surface layer, and the surface layer,

2 is a bottom layer;

3 a first tangential circular arc is arranged on the circular arc,

4 a second tangential circular arc of a circle,

5 a third tangential circular arc, and a third tangential circular arc,

6 a first radial edge length;

7 second radial edge length;

8 third radial edge length;

Detailed Description

The following provides a specific embodiment of a guided moisture wicking tape of the present invention.