CN114541010A

CN114541010A - Knitted fabric

Info

Publication number: CN114541010A
Application number: CN202011351204.1A
Authority: CN
Inventors: 谈敏
Original assignee: Wujiang Chunyue Textile Co ltd
Current assignee: Wujiang Chunyue Textile Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2022-05-27

Abstract

The invention discloses a knitted fabric which comprises a base fabric layer, wherein the base fabric layer is formed by interweaving warp yarns and weft yarns, the warp yarns are antibacterial yarns, and the weft yarns are moisture-absorbing and sweat-releasing yarns; the moisture-absorbing and sweat-releasing yarn is formed by blending polyester fibers, tencel fibers and Coolplus fibers. The knitted fabric is formed by interweaving the antibacterial yarns serving as the warp yarns and the moisture-absorbing and sweat-releasing yarns serving as the weft yarns, so that the knitted fabric has excellent antibacterial performance and moisture-absorbing and sweat-releasing performance, and in addition, the knitted fabric has the characteristics of softness and comfort, and the contact comfort between the knitted fabric and a human body can be improved; the antibacterial finishing agent reduces the use of chemical finishing agents, so that the safety performance of the knitted fabric is improved; the flame-retardant layer woven by the polyimide fibers and the basalt fibers can greatly improve the flame-retardant effect of the knitted fabric, and the flame-retardant layer has the characteristic of being not melted by heating, so that the skin of a human body is prevented from being burnt.

Description

Knitted fabric

Technical Field

The invention relates to the technical field of knitted fabrics, in particular to a knitted fabric.

Background

The knitted fabric is a fabric formed by bending yarns into loops by using a knitting needle and interlooping the loops, and has the characteristics of soft texture, moisture absorption, air permeability and the like. At present, in the knitted fabric in the prior art, the function of moisture absorption and sweat release is generally achieved by adding a functional additive into a fabric, but the knitted fabric with the moisture absorption and sweat release function prepared by the method has the defect of poor environmental protection. In addition, the existing knitted fabric has the defect of unsatisfactory antibacterial performance.

Disclosure of Invention

The invention aims to overcome the defects and provides a knitted fabric which is formed by interweaving antibacterial yarns serving as warp yarns and moisture-absorbing and sweat-releasing yarns serving as weft yarns, so that the knitted fabric has excellent antibacterial performance and moisture-absorbing and sweat-releasing performance.

In order to achieve the purpose, the invention provides the following technical scheme that the knitted fabric comprises a base fabric layer, wherein the base fabric layer is formed by interweaving warp yarns and weft yarns, the warp yarns are antibacterial yarns, and the weft yarns are moisture-absorbing and sweat-releasing yarns; the moisture-absorbing and sweat-releasing yarn is formed by blending polyester fibers, tencel fibers and Coolplus fibers.

By adopting the technical scheme, the knitted fabric formed by interweaving the antibacterial yarns and the moisture-absorbing and sweat-releasing yarns has the moisture-absorbing, sweat-releasing and antibacterial properties, so that the comfort of the fabric is improved; the moisture absorption and sweat releasing yarn is formed by blending polyester fiber, tencel fiber and Coolplus fiber, so that the moisture absorption and sweat releasing effects in the prior art by using a functional auxiliary agent are avoided; the tencel fiber is a cellulose fiber from wood, is a regenerated cellulose fiber, has beautiful luster, soft hand feeling, no toxicity and no pollution, has a circular or oval cross section, and has higher wet strength and good washing dimensional stability (the shrinkage is only 2 percent); the Coolplus fiber surface is provided with a plurality of micropores and fine grooves, can generate capillary effect, can quickly absorb sweat and moisture on the surface layer of human skin to the outer layer of the fabric, quickly emit the moisture and the sweat, keeps the surface of the human body dry, cool and comfortable, and has the function of adjusting the body temperature.

Preferably, in the moisture-absorbing and sweat-releasing yarn, the mass ratio of the polyester fibers to the tencel fibers to the Coolplus fibers is 3-4: 1-3: 2 to 3.

Preferably, the antibacterial yarn comprises the following components in parts by weight: 25-35 parts of cotton fiber, 2-10 parts of modal fiber, 2-15 parts of chitosan fiber, 2-15 parts of nano silver fiber, 5-15 parts of bamboo charcoal fiber, 2-15 parts of chitin fiber and 0.5-11 parts of antibacterial finishing agent.

By adopting the technical scheme, the comfort of the whole knitted fabric can be improved by the cotton fibers and the modal fibers, and the excellent antibacterial performance is endowed by the chitosan fibers, the nano-silver fibers, the bamboo charcoal fibers, the chitin fibers and the antibacterial finishing agent; wherein, the modal fiber is 100 percent of wood natural cellulose fiber, can be naturally decomposed, is harmless to human bodies and environment, and also has the functions of softness, smoothness, silky texture, excellent hygroscopicity and air permeability; the bamboo charcoal fiber has the characteristics of antibiosis, bacteriostasis, moisture absorption, ventilation and ultraviolet resistance; chitosan is also called water-soluble chitin, is a polysaccharide natural polymer, is a product prepared by deacetylation reaction of chitin, has good biocompatibility, antibacterial property, biodegradability and heavy metal ion adsorption capability, is spun into chitosan fiber by utilizing chitosan, and has remarkable antibacterial and anti-mildew effects; the nano silver loaded on the nano silver fiber can be adsorbed on bacterial cell walls and can also enter cell membranes, so that the normal functions of protein and DNA in bacteria are influenced, the bacteria die, and the nano silver fiber has excellent sterilization and bacteriostasis capability on various pathogenic microorganisms and cannot generate drug resistance; the chitin fiber is a natural high polymer fiber which is polymerized from shells of marine organisms such as shrimps, crabs and the like through degreasing, decalcification and the like, has excellent bioactivity, biocompatibility and antibacterial performance, and has a strong nursing function on human skin.

Preferably, the antibacterial finishing agent comprises the following components in parts by weight: 12-25 parts of aloe extract, 5-10 parts of phellodendron extract, 1-8 parts of wormwood extract, 1-10 parts of honeysuckle extract and 30-100 parts of water.

By adopting the technical scheme, the antibacterial finishing agent consists of the traditional Chinese medicine extracting solution, and the antibacterial health-care performance of the knitted fabric is greatly improved through the synergistic effect of the aloe extracting solution, the phellodendron extracting solution, the wormwood extracting solution and the honeysuckle extracting solution with the chitosan fiber, the nano-silver fiber, the bamboo charcoal fiber and the chitin fiber.

Preferably, the antibacterial yarn is prepared by the following method:

s1, weighing cotton fiber, modal fiber, chitosan fiber, nano silver fiber, bamboo charcoal fiber, chitin fiber and antibacterial finishing agent according to the formula amount;

s2, opening, carding, drawing, combing and blending the cotton fiber, the modal fiber, the chitosan fiber, the nano silver fiber, the bamboo charcoal fiber and the chitin fiber weighed in the step S1, and then spinning a strand of blended yarn through roving and spinning procedures;

s3, dipping the blended yarn obtained in the step S2 by using the antibacterial finishing agent weighed in the step S1, drying and determining the nature, and obtaining the antibacterial yarn.

Preferably, the dipping treatment in the step S3 is carried out for 40-100 min.

Preferably, one side of the base fabric layer is provided with a flame retardant layer.

Preferably, the flame-retardant layer is woven by polyimide fibers and basalt fibers.

By adopting the technical scheme, the flame retardant effect of the knitted fabric can be greatly improved through the flame retardant layer formed by weaving the polyimide fibers and the basalt fibers, the flame retardant layer has the characteristic of being not melted by heating, the effect of burning the skin of a human body is avoided, and the problems that once the knitted fabric is contacted with a fire source when the existing knitted fabric is worn, the flame retardant effect is poor and the skin of the human body is seriously burned easily are solved.

Preferably, in the flame-retardant layer, the mass ratio of the polyimide fibers to the basalt fibers is 1-3: 2 to 3.

Preferably, a plurality of tourmaline coating points are uniformly arranged on the other surface of the base cloth layer.

By adopting the technical scheme, the tourmaline coating points can promote smooth blood circulation and relieve waist fatigue, thereby achieving the effect of health care.

Compared with the prior art, the invention has the beneficial effects that: the knitted fabric is formed by interweaving the antibacterial yarns serving as the warp yarns and the moisture-absorbing and sweat-releasing yarns serving as the weft yarns, so that the knitted fabric has excellent antibacterial performance and moisture-absorbing and sweat-releasing performance, and in addition, the knitted fabric has the characteristics of softness and comfort, and the contact comfort between the knitted fabric and a human body can be improved; the antibacterial finishing agent reduces the use of chemical finishing agents, so that the safety performance of the knitted fabric is improved; the flame-retardant effect of the knitted fabric can be greatly improved through the flame-retardant layer woven by the polyimide fibers and the basalt fibers, the flame-retardant layer has the characteristic of being not melted when heated, and therefore, the skin of a human body is prevented from being burnt, and the problems that once the knitted fabric is contacted with a fire source when the existing knitted fabric is worn, the flame-retardant effect is poor and the skin of the human body is easily seriously burnt are solved.

Drawings

FIG. 1 is a graph showing the results of the test of the bacteriostatic rate of the knitted fabrics in examples 5 to 7 and comparative example 1 against Staphylococcus aureus;

FIG. 2 is a graph showing the results of testing the bacteriostatic rate of the knitted fabrics of examples 5 to 7 and comparative example 1 against Candida albicans;

FIG. 3 is a graph showing the results of the test of the bacteriostatic rate of the knitted fabrics in examples 5 to 7 and comparative example 1 against Escherichia coli;

FIG. 4 is a graph showing the results of a test of the bacteriostatic rate of Staphylococcus aureus after 30 washes of the knitted fabrics of examples 5 to 7 and comparative example 1;

FIG. 5 is a graph showing the results of testing the bacteriostatic rate of Candida albicans after the knitted fabrics of examples 5-7 and comparative example 1 were washed with water for 30 times;

FIG. 6 is a graph of the results of the tests of the bacteriostatic rate of the knitted fabrics of examples 5 to 7 and comparative example 1 on Escherichia coli after being washed with water for 30 times.

Detailed Description

In order to make the technical means of the implementation of the present invention, and the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The embodiment discloses a preparation method of an aloe extracting solution, which comprises the following steps: cleaning Aloe, peeling, cutting, soaking in 4 times of water, stirring every 0.5 hr for 5 hr, filtering with 350 mesh filter screen to obtain filtrate, naturally cooling to room temperature, precipitating, collecting supernatant, and concentrating to obtain Aloe extract.

Example 2

The embodiment discloses a preparation method of a phellodendron extract, which comprises the following steps: : drying cortex Phellodendri endothelium at 80 deg.C, pulverizing to 50 mesh with pulverizer, adding distilled water according to mass volume ratio of 1:4:10, distilling in distillation still, condensing the vapor with condenser, and collecting lower layer condensate to obtain cortex Phellodendri extractive solution. Wherein the steam temperature is 80-100 ℃, and the pressure is 0-0.2 MPa.

Example 3

The embodiment discloses a preparation method of a wormwood extracting solution, which comprises the following steps: cleaning folium Artemisiae Argyi, leaching with ethanol solution under heating twice, mixing the two extractive solutions, and concentrating to half of the original volume to obtain folium Artemisiae Argyi extractive solution.

Example 4

The embodiment discloses a preparation method of honeysuckle extract, which comprises the following steps: cleaning fresh honeysuckle, drying in the air, grinding into powder, adding 10 times of water, decocting for 2 hours, filtering, reserving filtrate, and performing rotary evaporation and concentration on the filtrate until the volume of the filtrate is 1/10 of the original volume to obtain honeysuckle extract.

Example 5

The embodiment discloses a knitted fabric which comprises a base fabric layer, wherein the base fabric layer is formed by interweaving warp yarns and weft yarns, the warp yarns are antibacterial yarns, and the weft yarns are moisture-absorbing and sweat-releasing yarns; the moisture-absorbing and sweat-releasing yarn is formed by blending polyester fibers, tencel fibers and Coolplus fibers.

Specifically, in the moisture-absorbing and sweat-releasing yarn, the mass ratio of polyester fibers, tencel fibers and Coolplus fibers is 3: 1: 2.

the antibacterial yarn in the embodiment comprises the following components in parts by weight: 25kg of cotton fiber, 2kg of modal fiber, 2kg of chitosan fiber, 2kg of nano-silver fiber, 5kg of bamboo charcoal fiber, 2kg of chitin fiber and 0.5kg of antibacterial finishing agent.

The antibacterial finishing agent comprises the following components in parts by weight: 12kg of aloe extract, 5kg of phellodendron extract, 1kg of wormwood extract, 1kg of honeysuckle extract and 30kg of water.

The aloe extract in this example was the aloe extract prepared in example 1, the phellodendron extract in this example was the phellodendron extract prepared in example 2, the wormwood extract in this example was the wormwood extract prepared in example 3, and the honeysuckle extract in this example was the honeysuckle extract prepared in example 4.

The antibacterial yarn in the embodiment is prepared by the following method:

In step S3, the immersion treatment is performed for 100 min.

In addition, one side of base cloth layer in this embodiment is provided with fire-retardant layer, and the other side of base cloth layer evenly is provided with a plurality of tuo malin and scribbles the point. Wherein, the flame-retardant layer is formed by weaving polyimide fibers and basalt fibers. The mass ratio of the polyimide fibers to the basalt fibers in the flame-retardant layer is 1: 2.

example 6

Specifically, in the moisture-absorbing and sweat-releasing yarn, the mass ratio of polyester fibers, tencel fibers and Coolplus fibers is 4: 3: 3.

the antibacterial yarn in the embodiment comprises the following components in parts by weight: 35kg of cotton fiber, 10kg of modal fiber, 15kg of chitosan fiber, 15kg of nano-silver fiber, 15kg of bamboo charcoal fiber, 15kg of chitin fiber and 11kg of antibacterial finishing agent.

The antibacterial finishing agent comprises the following components in parts by weight: 25kg of aloe extract, 10kg of phellodendron extract, 8kg of wormwood extract, 10kg of honeysuckle extract and 100kg of water.

The antibacterial yarn in the embodiment is prepared by the following method:

In step S3, the immersion treatment is performed for 100 min.

In addition, one side of base cloth layer in this embodiment is provided with fire-retardant layer, and the other side of base cloth layer evenly is provided with a plurality of tuo malin and scribbles the point. Wherein, the flame-retardant layer is formed by weaving polyimide fibers and basalt fibers. The mass ratio of the polyimide fibers to the basalt fibers in the flame-retardant layer is 3: 3.

example 7

Specifically, in the moisture-absorbing and sweat-releasing yarn, the mass ratio of polyester fibers, tencel fibers and Coolplus fibers is 3: 2: 2.

the antibacterial yarn in the embodiment comprises the following components in parts by weight: 30kg of cotton fiber, 5kg of modal fiber, 10kg of chitosan fiber, 10kg of nano-silver fiber, 12kg of bamboo charcoal fiber, 10kg of chitin fiber and 4kg of antibacterial finishing agent.

The antibacterial finishing agent comprises the following components in parts by weight: 20kg of aloe extract, 3kg of phellodendron extract, 3kg of wormwood extract, 5kg of honeysuckle extract and 85kg of water.

The antibacterial yarn in the embodiment is prepared by the following method:

s3, dipping the blended yarn obtained in the step S2 by using the antibacterial finishing agent weighed in the step S1, drying and determining the nature, thus obtaining the antibacterial yarn.

In step S3, the immersion treatment is performed for 100 min.

In addition, one side of base cloth layer in this embodiment is provided with fire-retardant layer, and the other side of base cloth layer evenly is provided with a plurality of tuo malin and scribbles the point. Wherein, the flame-retardant layer is formed by weaving polyimide fibers and basalt fibers. The mass ratio of the polyimide fibers to the basalt fibers in the flame-retardant layer is 2: 3.

comparative example 1

the antibacterial yarn in the embodiment comprises the following components in parts by weight: 30kg of cotton fiber, 5kg of modal fiber, 10kg of chitosan fiber, 10kg of nano-silver fiber, 12kg of bamboo charcoal fiber and 10kg of chitin fiber.

The antibacterial yarn in the embodiment is prepared by the following method:

s1, weighing cotton fiber, modal fiber, chitosan fiber, nano silver fiber, bamboo charcoal fiber and chitin fiber according to the formula ratio;

s2, opening, carding, drawing, combing and blending the cotton fiber, the modal fiber, the chitosan fiber, the nano silver fiber, the bamboo charcoal fiber and the chitin fiber weighed in the step S1, and then spinning a strand of blended yarn through roving and spinning procedures to obtain the antibacterial yarn.

test example 1

The moisture absorption and quick drying performances of the knitted fabrics in the examples 5 to 7 are tested according to GB/T21655.1. The test results are shown in table 1.

TABLE 1

	Evaluation criteria	Example 5	Example 6	Example 7
					Drip diffusionTime/s	≤3	1.5	1.5	1.2
Evaporation speed/(g/h)	≥0.18	0.42	0.44	0.45
					Wicking height/mm	≥100	56.5	58.0	62.5

As can be seen from table 1, the knitted fabric of the present invention has excellent moisture absorption and quick drying properties.

Test example 2

This test example tests the flame retardancy of the knitted fabrics of examples 5 to 7. The test results are shown in table 2.

TABLE 2

As can be seen from table 2, the flame retardant property of the knitted fabric is excellent, and the flame retardant layer in the invention has the characteristic of not being melted by heating, so that the effect of burning the skin of a human body is avoided, and the problems that once the knitted fabric is contacted with a fire source when the existing knitted fabric is worn, the flame retardant effect is poor and the skin of the human body is easily seriously burned are solved.

Test example 3

In this test example, the bacteriostatic ratio of the knitted fabrics in examples 5 to 7 and comparative example 1 was tested.

Comparative example 1 differs from example 7 in that the antimicrobial yarn of comparative example 1 has no antimicrobial finish added.

The bacteriostasis rate test in the test example adopts the national standard GB/T20944.3-2008 < evaluation of textile antibacterial performance part 3: the antibacterial property was quantitatively measured by the oscillation method, and the antibacterial rate of the knitted fabrics in example 5, example 6, example 7 and comparative example 1 was measured by the washing method using a color fastness to washing tester. The test results are shown in fig. 1-3; in addition, the test examples also test the bacteriostatic rate of the knitted fabrics in examples 5 to 7 and comparative example 1 after being washed for 30 times, and the test results are shown in fig. 4 to 6.

As can be seen from fig. 1 to 3, the bacteriostatic rate of the knitted fabric in the present invention on staphylococcus aureus, candida albicans and escherichia coli is more than 98%, the bacteriostatic rate of the knitted fabric in examples 5 to 7 is significantly better than that of comparative example 1, which shows that the synergistic effect of the aloe extract, the phellodendron extract, the wormwood extract, the honeysuckle extract and the antibacterial fiber (chitosan fiber, nano silver fiber, bamboo charcoal fiber, chitin fiber) in the antibacterial finishing agent is excellent, and the antibacterial performance of the knitted fabric in the present invention is greatly improved through the synergistic effect of the antibacterial finishing agent and the antibacterial fiber.

As can be seen from the figures 4-5, the antibacterial rate of the knitted fabric in the invention is still maintained above 70% after 30 times of washing, and the safety performance of clothes wearing is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A knitted fabric is characterized by comprising a base fabric layer, wherein the base fabric layer is formed by interweaving warp yarns and weft yarns, the warp yarns are antibacterial yarns, and the weft yarns are moisture-absorbing and sweat-releasing yarns; the moisture-absorbing and sweat-releasing yarn is formed by blending polyester fibers, tencel fibers and Coolplus fibers.

2. The knitted fabric according to claim 1, wherein in the moisture-absorbing and sweat-releasing yarn, the mass ratio of the polyester fibers, the tencel fibers and the Coolplus fibers is 3-4: 1-3: 2 to 3.

3. The knitted fabric of claim 1, wherein the antimicrobial yarn comprises the following components in parts by weight: 25-35 parts of cotton fiber, 2-10 parts of modal fiber, 2-15 parts of chitosan fiber, 2-15 parts of nano silver fiber, 5-15 parts of bamboo charcoal fiber, 2-15 parts of chitin fiber and 0.5-11 parts of antibacterial finishing agent.

4. A knitted fabric according to claim 3, wherein the antimicrobial finish comprises the following components in parts by weight: 12-25 parts of aloe extract, 5-10 parts of phellodendron extract, 1-8 parts of wormwood extract, 1-10 parts of honeysuckle extract and 30-100 parts of water.

5. A knitted fabric according to claim 3, wherein the antimicrobial yarn is prepared by a process comprising:

6. The knitted fabric according to claim 5, wherein the dipping treatment in the step S3 is carried out for 40-100 min.

7. A knitted fabric according to claim 1, wherein one side of the base fabric layer is provided with a flame retardant layer.

8. A knitted fabric according to claim 7, wherein the flame retardant layer is woven from polyimide fibres and basalt fibres.

9. The knitted fabric according to claim 8, wherein in the flame-retardant layer, the mass ratio of the polyimide fibers to the basalt fibers is 1-3: 2 to 3.

10. The knitted fabric according to claim 7, wherein a plurality of tourmaline coating points are uniformly arranged on the other surface of the base fabric layer.