CN112962189B - Anti-cutting yarn and preparation method and application thereof - Google Patents

Anti-cutting yarn and preparation method and application thereof Download PDF

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Publication number
CN112962189B
CN112962189B CN202010705720.3A CN202010705720A CN112962189B CN 112962189 B CN112962189 B CN 112962189B CN 202010705720 A CN202010705720 A CN 202010705720A CN 112962189 B CN112962189 B CN 112962189B
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China
Prior art keywords
filaments
filament
yarn
metal
twisting
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CN202010705720.3A
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CN112962189A (en
Inventor
赵卫
严雪峰
管钰泽
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Select Nantong Safety Products Co ltd
Shanghai Select Safety Products Co ltd
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Select Nantong Safety Products Co ltd
Shanghai Select Safety Products Co ltd
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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/442—Cut or abrasion resistant yarns or threads
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/12—Threads containing metallic filaments or strips
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
    • D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/20—Metallic fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
    • D10B2321/0211—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene high-strength or high-molecular-weight polyethylene, e.g. ultra-high molecular weight polyethylene [UHMWPE]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The invention relates to the technical field of textiles and discloses an anti-cutting yarn and a preparation method and application thereof. The method comprises the steps of preheating metal filaments, wrapping the metal filaments with hot-melt high polymers, co-extruding the metal filaments by a screw extruder to obtain composite filaments with a skin-core structure, taking the composite filaments and high-performance fibers as core filaments, taking short fiber yarns as inner-layer wrapping materials, taking the filaments as outer-layer wrapping materials, and preparing the anti-cutting yarns with double-layer wrapping structures by wrapping and twisting. The high polymer coated on the surface of the metal filament in the anti-cutting yarn increases the surface roughness and toughness of the metal filament, so that the metal filament is not easy to slip out of the braided fabric and expose, and is not easy to break, and even if the metal filament breaks, the high polymer coated on the surface can reduce the damage of sharp fractures to the skin of an individual. In addition, because the high polymer is chemically inert, the performance reduction of the metal wire due to chemical corrosion can be reduced. The anti-cutting yarn can be used for preparing anti-cutting materials.

Description

Anti-cutting yarn and preparation method and application thereof
Technical Field
The invention relates to the technical field of textiles, in particular to an anti-cutting yarn and a preparation method and application thereof.
Background
The metal filament has the performances of cutting resistance, static resistance and the like, is usually used for preparing anti-cutting yarns and is further applied to preparing protective fabrics, but the metal filament is easy to break or break, the formed sharp points can scratch the skin to cause itching or red and swollen skin, the prepared protective fabrics cannot meet the requirement of protective products close to the skin, and the application range of the metal filament is limited.
Disclosure of Invention
The invention aims to provide an anti-cutting yarn, and a preparation method and application thereof.
In order to solve the technical problem, the invention provides a preparation method of anti-cutting yarns, which comprises the following steps:
1) Sending metal filaments with the diameter of 0.01-0.05 mm to a preheating oven for heating, then sending the metal filaments into a screw extruder, coating the surface with a hot-melt high polymer, extruding the metal filaments coated with the hot-melt high polymer on the surface by the screw extruder, cooling the metal filaments by a water bath cooling tank in a drafting state of a drafting device, winding the metal filaments by a winding roller for forming, and drying the metal filaments at a low temperature to obtain composite filaments with a skin-core structure, wherein the core layer of the composite filaments is the metal filaments, the skin layer is the high polymer coated on the surface of the metal filaments, and the metal filaments are one of stainless steel wires, tungsten filaments and iron nickel filaments;
2) Taking the composite filament and the high-performance fiber with the skin-core structure obtained in the step 1) as core filaments, taking short fiber yarns as an inner-layer coating material, taking the filament yarns as an outer-layer coating material, and preparing the anti-cutting yarns with the double-layer coating structure by coating and twisting; the twisting direction of the cladding twisting is S twisting or Z twisting, and the twist is 400-1200 twists/m.
Preferably, the temperature of the preheating oven in the step 1) is 80-180 ℃, and the heating time is 3-10 s.
Preferably, in the composite filament with the sheath-core structure in the step 1), the ratio of the radius of the core layer to the thickness of the sheath layer is 1 to 5:1.
preferably, the hot-melt high polymer in the step 1) is PP or PE, and the hot-melt temperature of the hot-melt high polymer is 140-180 ℃.
Preferably, the water temperature of the water bath cooling tank in the step 1) is 15-25 ℃, the drafting ratio of the drafting is 1.01-1.02: 1, the low-temperature drying temperature is 40-60 ℃.
Preferably, the short fiber yarn in the step 2) is a yarn prepared by pure spinning or blending at least one fiber of terylene, chinlon, acrylon, cotton, ultra-high molecular weight polyethylene, aramid fiber and high-strength PVA, and the short fiber yarn has the following specifications: the linear density is 10-40 English, the twist factor is 240-320; the filament is at least one of nylon and terylene, and the linear density of the filament is 50-150D.
Preferably, the high-performance fibers in the step 2) are at least one of ultra-high molecular weight polyethylene fibers and high-strength polyester fibers, and the linear density of the high-performance fibers is 50-200D.
The invention also provides application of the composite yarn with the double-layer coating structure prepared by the preparation method in preparation of a cutting-resistant material.
Preferably, at least one of spandex and nylon filament and the anti-cutting yarn are arranged in parallel and fed into a knitting machine for knitting.
Preferably, at least one of spandex filaments and nylon filaments is used as a core filament, and the core filament is fed into a knitting machine for knitting after being coated and twisted by the anti-cutting yarn.
Compared with the prior art, the surface of the metal filament is wrapped by the hot-melt high polymer, the composite filament formed by uniformly wrapping the ultrathin high polymer on the surface of the metal filament is obtained by cooling the metal filament in a water bath cooling tank in a drafting state, then the short fiber yarn is used as an inner layer wrapping material, the filament is used as an outer layer wrapping material, and the anti-cutting yarn with a double-layer wrapping structure is prepared by wrapping and twisting. In addition, the high polymer coated on the surface of the metal filament has the functions of toughening and buffering, so that the toughness of the metal filament is enhanced, the metal filament is not easy to break, and even if the metal filament breaks, the high polymer coated on the surface can reduce the damage of sharp fractures to the skin of an individual. In addition, because the high polymer is chemically inert, the performance degradation of the wire due to chemical corrosion can be reduced.
Detailed Description
For a further understanding of the invention, reference will now be made to the preferred embodiments of the present invention by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the present invention and is not intended to limit the scope of the claims which follow.
All of the starting materials of the present invention, without particular limitation as to their source, are either commercially available or prepared according to conventional methods well known to those skilled in the art
In order to further illustrate the present invention, the following detailed description is given with reference to examples.
Example 1
(1) Sending metal filaments with the diameter of 0.03mm and actively unwound from an unwinding roller to a preheating oven at the temperature of 130 ℃ for heating for 6 seconds, sending the metal filaments into a screw extruder, wrapping the surface with hot melt PP at the temperature of 150 ℃, extruding the metal filaments with the surface wrapped with the hot melt PP through the screw extruder, and drafting the metal filaments by a drafting device according to the weight ratio of 1.01:1, cooling by a water bath cooling tank with the water temperature of 20 ℃ in a drawing state, winding by a winding roller for forming, and drying at the low temperature of 50 ℃ to obtain the composite filament with the skin-core structure. The composite filament was measured to have a core layer radius of 0.015mm and a skin layer thickness of 0.005mm.
(2) Taking the composite filament with the skin-core structure obtained in the step (1) and the ultra-high molecular weight polyethylene fiber with the linear density of 100D as core filaments, taking the polyester staple fiber pure spun yarn with the linear density of 25 English counts and the twist coefficient of 280 as an inner layer coating material, taking the nylon filament with the linear density of 100D as an outer layer coating material, and preparing the anti-cutting yarn with the double-layer coating structure by coating and twisting; wherein, the inner layer coating twist direction is S twist, the outer layer coating twist direction is Z twist, and the twist number is 1200 twist/m.
(3) And (3) arranging spandex filaments with the linear density of 70D and the anti-cutting yarns prepared in the step (2) in parallel, and feeding the yarns into a 15G glove knitting machine for knitting to obtain the glove liner with excellent cutting resistance.
Example 2
(1) Sending metal filaments with the diameter of 0.02mm and actively unwound from an unwinding roller to a 180 ℃ preheating oven for heating for 3s, then sending the metal filaments into a screw extruder, wrapping the surface with hot melt PE with the temperature of 140 ℃, extruding the metal filaments with the surface wrapped with the hot melt PE by the screw extruder, and drafting the metal filaments by a drafting device according to the weight ratio of 1.02:1, cooling by a water bath cooling tank with the water temperature of 15 ℃ in a drawing state, winding by a winding roller for forming, and drying at a low temperature of 40 ℃ to obtain the composite filament with the skin-core structure. The composite filament was measured to have a core layer radius of 0.005mm and a skin layer thickness of 0.002mm.
(2) Taking the composite filament with the skin-core structure obtained in the step (1) and the high-strength polyester fiber with the linear density of 50D as core yarns, taking the blended yarn of the nylon staple fiber and the acrylic staple fiber with the linear density of 40 English counts and the twist coefficient of 240 as an inner-layer coating material, taking the polyester filament with the linear density of 75D as an outer-layer coating material, and preparing the anti-cutting yarn with the double-layer coating structure by coating and twisting; wherein the inner layer is coated and twisted in Z twist direction, the outer layer is coated and twisted in S twist direction, and the twist number is 6000 twist/m.
(3) And (3) taking spandex filament with the linear density of 80D as core filament, feeding the cut-resistant yarn prepared in the step (2) into an 18G glove knitting machine after cladding and twisting, and knitting to obtain the glove liner with excellent cut resistance. Wherein the twisting direction of the cladding twisting is Z twisting, and the twisting degree is 1000 twisting/m.
Example 3
(1) Sending metal filaments with the diameter of 0.05mm and actively unwound from an unwinding roller to a preheating oven with the temperature of 80 ℃ for heating for 10s, then sending the metal filaments into a screw extruder, wrapping the surface with hot melt PP with the temperature of 180 ℃, extruding the metal filaments with the surface wrapped with the hot melt PP through the screw extruder, and drafting the metal filaments by a drafting device according to the ratio of 1.01:1, cooling by a water bath cooling tank with the water temperature of 25 ℃ in a drawing state, winding by a winding roller for forming, and drying at the low temperature of 60 ℃ to obtain the composite filament with the skin-core structure. The composite filament has a core layer radius of 0.025mm and a skin layer thickness of 0.005mm.
(2) Taking the composite filament with the skin-core structure obtained in the step (1) and the ultra-high molecular weight polyethylene fiber with the linear density of 150D as core filaments, taking the ultra-high molecular weight polyethylene short fiber pure spun yarn with the linear density of 40 English and the twist coefficient of 320 as an inner layer coating material, taking the nylon filament with the linear density of 200D as an outer layer coating material, and preparing the anti-cutting yarn with a double-layer coating structure by coating and twisting; wherein, the inner layer coating twist direction is S twist, the outer layer coating twist direction is Z twist, and the twist number is 400 twist/m.
(3) And (3) parallelly arranging the nylon filament with the linear density of 140D and the anti-cutting yarn prepared in the step (2), and feeding the arranged anti-cutting yarns into a 13G glove knitting machine for knitting to obtain the glove liner with excellent cutting resistance.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. 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 (10)

1. The preparation method of the anti-cutting yarn is characterized by comprising the following steps:
1) Sending metal filaments with the diameter of 0.01-0.05 mm to a preheating oven for heating, then sending the metal filaments into a screw extruder, coating the surface with a hot-melt high polymer, extruding the metal filaments coated with the hot-melt high polymer by the screw extruder, cooling the metal filaments in a water bath cooling tank in a drafting state, and drying the metal filaments at a low temperature to obtain composite filaments with a sheath-core structure, wherein the metal filaments are one of stainless steel wires, tungsten filaments and iron-nickel filaments;
2) Taking the composite filament and the high-performance fiber with the skin-core structure obtained in the step 1) as core filaments, taking short fiber yarns as an inner-layer coating material, taking the filament yarns as an outer-layer coating material, and preparing the anti-cutting yarns with the double-layer coating structure by coating and twisting; the twisting direction of the cladding twisting is S twisting or Z twisting, and the twist is 400-1200 twists/m.
2. The preparation method according to claim 1, characterized in that the temperature of the preheating oven in step 1) is 80-180 ℃, and the heating time is 3-10 s.
3. The production method according to claim 1, wherein in the composite filament having the sheath-core structure in step 1), the ratio of the radius of the core layer to the thickness of the sheath layer is 1 to 5.
4. The method according to claim 1, wherein the hot-melt polymer in step 1) is PP or PE, and the hot-melt temperature of the hot-melt polymer is 140-180 ℃.
5. The manufacturing method according to claim 1, wherein the water temperature of the water bath cooling tank in the step 1) is 15 to 25 ℃, the draft ratio of the draft is 1.01 to 1.02.
6. The preparation method of claim 1, wherein the staple fiber yarn in step 2) is a yarn prepared by pure spinning or blending at least one of polyester, nylon, acrylic, cotton, ultra-high molecular weight polyethylene, aramid and high-strength PVA, and the staple fiber yarn has the following specifications: the linear density is 10-40 English, the twist factor is 240-320; the filament is at least one of chinlon and terylene, and the linear density of the filament is 50-150D.
7. The method according to claim 1, wherein the high performance fiber in step 2) is at least one of an ultra-high molecular weight polyethylene fiber and a high strength polyester fiber, and the linear density of the high performance fiber is 50 to 200D.
8. Use of the cut-resistant yarn prepared by the preparation method according to any one of claims 1 to 7 in the preparation of a cut-resistant material.
9. The application according to claim 8, wherein the application is: at least one of spandex and nylon filament is arranged in parallel with the anti-cutting yarn and fed into a knitting machine for knitting.
10. The application according to claim 8, wherein the application is: at least one of spandex filament and nylon filament is used as core filament, and the cut-resistant yarn is utilized to carry out cladding twisting and then is fed into a knitting machine to be knitted.
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CN114351313A (en) * 2021-12-29 2022-04-15 南通强生新材料科技股份有限公司 Anti-cutting garment and preparation method thereof
CN114592247B (en) * 2022-02-11 2023-07-07 安徽丰原生物纤维股份有限公司 Hollow three-dimensional crimped polylactic acid short fiber, preparation method and device system thereof
CN115074885B (en) * 2022-08-11 2023-04-14 江苏恒力化纤股份有限公司 Preparation method of environment-friendly composite yarn

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