Antibacterial and antigenic fibrillar gray fabric

Abstract

The utility model provides an antibiosis antigen fiber lyocell grey cloth relates to grey cloth fabric technical field, including outer antigen layer, inner antigen layer, composite antibiosis yarn and surface coating, the inner antigen layer is adhered to the inner side of outer antigen layer, inner antigen layer is formed by composite antibiosis yarn warp and weft weaving, the outer side surface of outer antigen layer is provided with surface coating, and the surface coating is coated on the outer side surface of outer antigen layer. The composite antibacterial yarn comprises third antigen yarn and middle antibacterial yarn, the composite antibacterial yarn is of a core-spun structure, the composite antibacterial yarn is composed of the third antigen yarn on the outer layer and the middle antibacterial yarn on the core layer, and the composite antibacterial yarn surrounds the outer side of the middle antibacterial yarn. The third antigen yarn firstly makes contact with the outside, abrasion of the outside to the middle antibacterial yarn is reduced, the effective life of an antibacterial agent of the middle antibacterial yarn is prolonged, and the problems that the antibacterial yarn makes contact with the outside to be abraded in the production and transportation process, and the antibacterial performance is reduced due to abrasion of the antibacterial yarn are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grey fabric, especially to an antibacterial anti-allergenic lyocell grey fabric. BACKGROUND

[0002] Lyocell is a kind of artificial cellulose fiber, which belongs to a kind of regenerated fiber, and is made of natural wood pulp through closed-loop green process, and has the comfort of natural fiber and the strength of synthetic fiber.

[0003] Lyocell is formed into antibacterial yarn by adding antibacterial agent, so that the lyocell fiber grey fabric has antibacterial property, but the antibacterial yarn of the lyocell fiber grey fabric directly contacts with the outside, and the antibacterial yarn will be worn and torn during production and transportation, which will reduce the antibacterial property and shorten the effective service life of the antibacterial agent. SUMMARY

[0004] The antibacterial anti-allergenic lyocell grey fabric provided by the embodiment of the present disclosure has the inner allergen layer and the third allergen yarn on the inner side, the third allergen yarn relies on the middle antibacterial yarn to ensure the antibacterial property, the third allergen yarn is wrapped outside the middle antibacterial yarn to play a protective role, the third allergen yarn contacts with the outside first to reduce the wear and tear of the middle antibacterial yarn by the outside during production and transportation, and the effective service life of the antibacterial agent of the middle antibacterial yarn is ensured.

[0005] In the first aspect of the present disclosure, an antibacterial anti-allergenic lyocell grey fabric is provided, which specifically includes: an outer allergen layer, an inner allergen layer, a composite antibacterial yarn and a surface coating, the inner side of the outer allergen layer is bonded with the inner allergen layer by hot melt adhesive, the inner allergen layer is composed of the composite antibacterial yarn, the outer side surface of the outer allergen layer is provided with the surface coating, and the outer allergen layer includes: a first allergen yarn, and the outer allergen layer is composed of the first allergen yarn.

[0006] In at least some embodiments, the inner allergen layer includes a second allergen yarn, the inner allergen layer is composed of the second allergen yarn and the composite antibacterial yarn, the second allergen yarn and the composite antibacterial yarn are mixed at a ratio of 1:1-3:1, and the second allergen yarn and the composite antibacterial yarn are interwoven by double-layer interlocking stitches.

[0007] In at least some embodiments, the composite antibacterial yarn includes a third allergen yarn and a middle antibacterial yarn, the composite antibacterial yarn has a core-sheath structure, the composite antibacterial yarn is composed of the outer third allergen yarn and the middle antibacterial yarn in the core, and the composite antibacterial yarn is wrapped outside the middle antibacterial yarn.

[0008] In at least some embodiments, the third antigen yarn helical array is wrapped outside the intermediate antibacterial yarn, and the third antigen yarn is twisted outside the intermediate antibacterial yarn to form a composite antibacterial yarn, the wrapping twist is 600-1200 twists per meter, the wrapping coverage is greater than or equal to 85%, the third antigen yarn is wrapped outside the intermediate antibacterial yarn, and the third antigen yarn is in contact with the outside.

[0009] In at least some embodiments, the intermediate antibacterial yarn is made of lyocell fiber yarn by directly mixing an antibacterial agent (such as silver ions, zinc ions, and quaternary ammonium salt) into a spinning solution, and the preparation method comprises the following steps: mixing nano-silver particles (particle size 20-50 nm) and zinc ion modified zeolite at a mass ratio of 1:2-1:4, and spinning by blending the nano-silver particles and the zinc ion modified zeolite with wood pulp through an NMMO solvent system, the antibacterial agent is added in an amount of 0.5%-3.0% of the total mass of the fiber; the antibacterial fiber has an antibacterial rate of greater than or equal to 99% on staphylococcus aureus and escherichia coli, and the inner antigen layer ensures the antibacterial performance by the intermediate antibacterial yarn of the third antigen yarn.

[0010] In at least some embodiments, the first antigen yarn, the second antigen yarn, and the third antigen yarn are all antigen fibrillation lyocell fibers, the first antigen yarn, the second antigen yarn, and the third antigen yarn can be cross-linked antigen fibrillation lyocell fibers, the cross-linking agent is a copolymer of epichlorohydrin and ethylenediamine, the cross-linking density is 5%-15%, the fiber fineness is 1.2-1.8 dtex, the breaking strength is greater than or equal to 3.5 cN / dtex, the wet modulus is greater than or equal to 0.7 cN / dtex, the linear density ratio of the core layer intermediate antibacterial yarn of the composite antibacterial yarn to the third antigen yarn wrapped outside the core layer intermediate antibacterial yarn is 1:3, the total fineness of the composite yarn is 150D, the tensile strength is greater than or equal to 4.0 cN / dtex, the grammage ratio of the outer antigen layer to the inner antigen layer is 1:2-1:1, the total grammage of the gray fabric is 120-250 g / m², the thickness is 0.25-0.45 mm, and the air permeability is 200-500 L / m²·s.

[0011] In at least some embodiments, the surface coating is a polyurethane (PU) based antibacterial and waterproof coating, the thickness is 10-30 μm, the coating contains quaternary ammonium salt modified silicon dioxide nanoparticles (particle size 100-200 nm), and the addition amount is 5%-10% of the mass of the coating; the hydrostatic pressure of the coating is greater than or equal to 20 kPa, the antibacterial activity value is greater than or equal to 3.0, and the surface coating on the outside of the outer antigen layer improves the hydrophobicity and antibacterial performance of the outer antigen layer.

[0012] The utility model provides a kind of antibacterial antigen fibrillation lyocell gray fabric, with the following beneficial effects:

[0013] The antigen layer is outside the inner antigen layer, the outer antigen layer is directly contacted and rubbed by the outside, the outer antigen layer of the antigen fibrillation lyocell fiber is less prone to pilling and fuzzing, the appearance is improved, and the durability is also enhanced, the inner antigen layer and the third antigen yarn are inside, and the third antigen yarn ensures the antibacterial performance by the middle antibacterial yarn.

[0014] The third antigen yarn is wrapped outside the middle antibacterial yarn and plays a protection role, the third antigen yarn is first contacted by the outside, the abrasion of the middle antibacterial yarn by the outside is reduced, and the effective service life of the antibacterial agent of the middle antibacterial yarn is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0016] The drawings described below only relate to some embodiments of the present application, and are not a limitation of the present application.

[0017] In the drawings:

[0018] Figure 1 A schematic view showing the overall structure of the present application is shown;

[0019] Figure 2 A schematic view showing the second antigen yarn structure of the present application is shown;

[0020] Figure 3 A schematic view showing the first antigen yarn structure of the present application is shown;

[0021] Figure 4 A schematic view showing the third antigen yarn structure of the present application is shown;

[0022] Figure 5 A schematic view showing the third antigen yarn and the middle antibacterial yarn in a split state of the present application is shown;

[0023] Figure 6 A schematic view showing the outer antigen layer, the inner antigen layer and the surface coating in a split state of the present application is shown;

[0024] LIST OF REFERENCE NUMERALS

[0025] 1, outer antigen layer; 101, first antigen yarn;

[0026] 2, inner antigen layer; 201, second antigen yarn;

[0027] 3, composite antibacterial yarn; 301, third antigen yarn; 302, middle antibacterial yarn;

[0028] 4, surface coating. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be clearly and completely described below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Embodiment one: please refer to Figures 1 to 6 :

[0031] The utility model proposes a kind of antibacterial antigen fibril lyocell grey cloth, including: outer antigen layer 1, inner antigen layer 2, composite antibacterial yarn 3 and surface coating 4, outer antigen layer 1 includes first antigen yarn 101, outer antigen layer 1 is woven by first antigen yarn 101, the inside of outer antigen layer 1 is adhered with inner antigen layer 2 by hot melt adhesive, inner antigen layer 2 includes second antigen yarn 201, inner antigen layer 2 is woven by second antigen yarn 201 and composite antibacterial yarn 3, second antigen yarn 201 and composite antibacterial yarn 3 are mixed and woven according to 1:1-3:1 proportion, second antigen yarn 201 and composite antibacterial yarn 3 are formed by double-layer interlocking weave, inner antigen layer 2 is woven by composite antibacterial yarn 3, composite antibacterial yarn 3 includes third antigen yarn 301 and middle antibacterial yarn 302, composite antibacterial yarn 3 is core-sheath structure, composite antibacterial yarn 3 is composed of outer third antigen yarn 301 and core middle antibacterial yarn 302, composite antibacterial yarn 3 is around the outside of middle antibacterial yarn 302, middle antibacterial yarn 302 directly mixes into lyocell fiber yarn made of spinning solution with antibacterial agent such as silver ion, zinc ion, quaternary ammonium salt, its preparation method includes: mixing nano silver particle size 20 ~ 50nm and zinc ion modified zeolite according to mass ratio 1:2 ~ 1:4, by NMMO solvent system and wood pulp are blended and spun, and the amount of antibacterial agent is 0.5% ~ 3.0% of the total mass of fiber;The bacteriostatic rate of antibacterial fiber to staphylococcus aureus ATCC 6538 and escherichia coli ATCC 25922 is ≥99% according to ISO 20743 standard test, the inner antigen layer 2 guarantees antibacterial performance by the middle antibacterial yarn 302 of third antigen yarn 301, the outside surface of outer antigen layer 1 is provided with surface coating 4, surface coating 4 is polyurethane PU base antibacterial waterproof coating, and the thickness is 10 ~ 30 μm, and the coating contains quaternary ammonium salt modified silicon dioxide nano particle size 100 ~ 200nm, and the amount of addition is 5% ~ 10% of the mass of coating;The hydrostatic pressure of coating is ≥20kPa according to AATCC127 test, and the antibacterial activity value is ≥3.0 according to ISO 20743 test, and the surface coating 4 of the outside of outer antigen layer 1 improves the hydrophobicity and antibacterial performance of outer antigen layer 1.

[0032] In the embodiment of the present disclosure, the third antigen yarn 301 spirally surrounds the array outside the intermediate antibacterial yarn 302, the third antigen yarn 301 is twisted around the outside of the intermediate antibacterial yarn 302 to form a composite antibacterial yarn 3, the wrapping twist is 600-1200 twists per meter, the wrapping coverage is ≥85%, the third antigen yarn 301 is twisted around the outside of the intermediate antibacterial yarn 302, which plays a protective role, and the third antigen yarn 301 is first contacted with the outside, thereby reducing the abrasion of the intermediate antibacterial yarn 302 by the outside.

[0033] In the embodiment of the present disclosure, the first antigen yarn 101, the second antigen yarn 201 and the third antigen yarn 301 are all antigen fibrillation lyocell fibers, the first antigen yarn 101, the second antigen yarn 201 and the third antigen yarn 301 can be cross-linked antigen fibrillation lyocell fibers, the cross-linking agent is a copolymer of epichlorohydrin and ethylenediamine, the cross-linking density is 5%-15%, the fiber fineness is 1.2-1.8 dtex, the breaking strength is ≥3.5 cN / dtex, the wet modulus is ≥0.7 cN / dtex, the linear density ratio of the intermediate antibacterial yarn 302 in the core layer of the composite antibacterial yarn 3 to the third antigen yarn 301 wrapped outside is 1:3, the total fineness of the composite yarn is 150D, the tensile strength is ≥4.0 cN / dtex, the grammage ratio of the outer antigen layer 1 to the inner antigen layer 2 is 1:2-1:1, the total grammage of the gray fabric is 120-250 g / m², the thickness is 0.25-0.45 mm, the air permeability is 200-500 L / m²·s according to ISO 9237 test, and the first antigen yarn 101 of the antigen fibrillation lyocell fiber constituting the outer antigen layer 1 is less likely to cause friction pilling, thereby improving the appearance and durability of the outer antigen layer 1.

[0034] In example two, on the basis of example one, the outer antigen layer 1 can not be provided, and only the inner antigen layer 2 composed of the composite antibacterial yarn 3 is used as the gray fabric, the thickness of the gray fabric is thinner, the air permeability of the inner antigen layer 2 as the gray fabric is further enhanced, some requirements of light and breathable fabric are met, and adjustment is made according to different use requirements.

[0035] The working principle of the embodiment is as follows: the preparation of the antibacterial antigen fibrillation lyocell gray fabric includes the following steps: preparing cross-linked antigen fibrillation lyocell fibers: dipping the lyocell fibers in a cross-linking agent solution with a concentration of 5% to 15%, treating at 80 to 120 DEG C for 20 to 60 min, washing and drying, and the lyocell fibers can also be purchased as finished cross-linked antigen fibrillation lyocell fibers; spinning the composite antibacterial yarn: twisting and twisting the middle antibacterial yarn 302 and the third antigen yarn 301 through a ring spinning machine, controlling the spindle speed to be 8000 to 12000 rpm, and the draft ratio to be 1.2 to 1.8; weaving and laminating: weaving the outer antigen layer 1 and the inner antigen layer 2 respectively, and bonding through hot roller pressing at a temperature of 150 to 180 DEG C and a pressure of 0.5 to 1.5 MPa, and cooling and setting; finishing: performing plasma treatment, coating of the surface coating 4, and heat curing at 120 to 150 DEG C for 1 to 3 min, to realize the production process of the gray fabric.

[0036] The antigen layer 1 is on the outside of the inner antigen layer 2, the outer antigen layer 1 directly contacts and rubs with the outside, the outer antigen layer 1 formed by the first antigen yarn 101 of the antigen fibrillation lyocell fibers is less likely to have the problem of pilling and fuzzing, the appearance of the outer antigen layer 1 is improved, and the durability is enhanced, meanwhile, the inner antigen layer 2 and the third antigen yarn 301 are on the inside, the antibacterial performance of the inner antigen layer 2 is ensured by the middle antibacterial yarn 302 of the third antigen yarn 301, the middle antibacterial yarn 302 cooperates with the antibacterial agent to realize the antibacterial performance of the third antigen yarn 301 and the inner antigen layer 2 on Staphylococcus aureus ATCC 6538 and Escherichia coli ATCC 25922, the third antigen yarn 301 is wrapped outside the middle antibacterial yarn 302, and plays a protective role, the third antigen yarn 301 first contacts the outside, reduces the abrasion of the outside on the middle antibacterial yarn 302, avoids direct exposure of the middle antibacterial yarn 302, and avoids the abrasion of the outside on the middle antibacterial yarn 302, which leads to a short service life of the middle antibacterial yarn 302, further prolongs the effective service life of the antibacterial agent of the middle antibacterial yarn 302, and the surface coating 4 realizes hydrophobicity and antibacterial property through coating, and further improves the hydrophobicity and antibacterial property of the outer antigen layer 1.

[0037] In this document, the following points need to be noted:

[0038] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0039] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0040] The above merely describes specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. An antibacterial antigen viscose grey fabric comprising an outer antigen layer (1), an inner antigen layer (2), a composite antibacterial yarn (3) and a surface coating (4); characterized in that, The inner side of the outer antigen layer (1) is adhered with the inner antigen layer (2), the inner antigen layer (2) is composed of warp and weft weaving of composite antibacterial yarn (3), the outer surface of the outer antigen layer (1) is provided with a surface coating (4), the composite antibacterial yarn (3) comprises a third antigen yarn (301) and a middle antibacterial yarn (302), the composite antibacterial yarn (3) is of a core-sheath structure, the composite antibacterial yarn (3) is composed of the outer layer third antigen yarn (301) and the core layer middle antibacterial yarn (302), and the composite antibacterial yarn (3) is wrapped outside the middle antibacterial yarn (302).

2. The antibacterial antigen fiber lyocell gray cloth according to claim 1, characterized in that, The outer antigen layer (1) comprises a first antigen yarn (101), and the outer antigen layer (1) is composed of warp and weft weaving of the first antigen yarn (101).

3. The antibacterial antigen fiber lyocell gray cloth according to claim 1, characterized in that, The inner antigen layer (2) comprises a second antigen yarn (201), and the inner antigen layer (2) is composed of warp and weft weaving of the second antigen yarn (201) and the composite antibacterial yarn (3), and the second antigen yarn (201) and the composite antibacterial yarn (3) are mixed at a ratio of 1:1-3:

1.

4. The antibacterial antigen fiber lyocell gray cloth according to claim 1, characterized in that, The third antigen yarn (301) is spirally wrapped outside the middle antibacterial yarn (302), and the third antigen yarn (301) is twisted outside the middle antibacterial yarn (302) to form the composite antibacterial yarn (3).

5. The antibacterial antigen fiber lyocell gray cloth according to claim 2, characterized in that, The middle antibacterial yarn (302) directly mixes an antibacterial agent into lyocell fiber yarn made of spinning solution.

6. The antibacterial antigen fiber lyocell gray cloth according to claim 5, characterized in that, The first antigen yarn (101), the second antigen yarn (201) and the third antigen yarn (301) are all antigen fiberized lyocell fibers, and the line density ratio of the core layer middle antibacterial yarn (302) of the composite antibacterial yarn (3) to the outer coated third antigen yarn (301) is 1:

3.

7. The antibacterial antigen fiber lyocell gray cloth according to claim 1, characterized in that, The surface coating (4) is a polyurethane (PU) based antibacterial waterproof coating, and the thickness is 10-30 μm.

Images