CN212477006U

CN212477006U - Spandex/terylene/ultra-high molecular weight polyethylene fiber high-strength covered yarn

Info

Publication number: CN212477006U
Application number: CN202020056463.0U
Authority: CN
Inventors: 林武杰; 刘雪云
Original assignee: Changjiang Textile Zhejiang Co ltd
Current assignee: Changjiang Textile Zhejiang Co ltd
Priority date: 2020-01-11
Filing date: 2020-01-11
Publication date: 2021-02-05
Anticipated expiration: 2030-01-11

Abstract

The utility model discloses a spandex/terylene/ultra-high molecular weight polyethylene fiber high-strength covered yarn, which is characterized by comprising a core yarn, a first covering layer and a second covering layer; the first coating layer is coated on the outer layer of the core wire, and the second coating layer is coated on the outer side of the second coating layer; the core yarn is spandex filament yarn; the fiber used by the first coating layer is ultra-high molecular weight polyethylene short fiber; the fiber used by the second coating layer is polyester fiber. The utility model relates to a spandex/dacron/ultra high molecular weight polyethylene high strength cladding yarn has used ultra high molecular weight polyethylene as the cladding of coating in the skin of core silk for whole cladding yarn has good anti cutting ability. And the polyester fiber coated on the outer layer can improve the touch feeling when the coated yarn is contacted with the skin, so that the polyester fiber is more suitable for the use of protective clothing.

Description

Spandex/terylene/ultra-high molecular weight polyethylene fiber high-strength covered yarn

Technical Field

The utility model belongs to the technical field of the yarn technique and specifically relates to a spandex/dacron/ultra high molecular weight polyethylene fiber high strength cladding yarn.

Background

The ultra-high molecular weight polyethylene fiber has excellent physical and chemical properties and is characterized in that: (1) the density is low: 0.97/g-cm^-3Lighter than water, can float on the water surface. (2) High strength: tensile strength > 3.00GPa, specific strength > 3.09 N.tex^-1Higher than aramid fiber and carbon fiber. (3) Chemical corrosion resistance, namely seawater resistance, strong acid resistance, strong alkali resistance and organic solvent resistance. (4) Has ultraviolet resistance. The industrial application product of the ultra-high molecular weight polyethylene fiber is mainly a filament product: the product comprises bulletproof UD cloth, stab-resistant clothing fabric, cutting-resistant gloves, various ropes, fishing nets and the like. The ultra-high molecular weight polyethylene fiber is a high-strength fiber with excellent performance, but the surface of the ultra-high molecular weight polyethylene fiber is smooth, the friction factor is small, and the crimp stability is poor. The spun staple fiber yarn has low yarn strength and poor yarn quality.

As the moisture regain of the UHMWPE is 0, the comfortableness is poor, and for products directly contacted with the skin of a human body, the method for directly producing protective articles such as gloves, socks and the like by using the pure UHMWPE filaments is obviously insufficient in the aspects of comfortableness and application range. The core-spun yarn spinning technology is mature, UHMWPE filaments can be completely used as core yarns, and the UHMWPE filaments and the cotton core-spun yarns can be spun by the outer-wrapping cotton fibers to meet the production of special labor protection articles, so that the characteristics of light weight, super strength and super comfort of the UHMWPE filaments and the cotton fibers can be fully exerted, and the function complementation is realized, so that the application range of products of the UHMWPE filaments is expanded.

The spandex/terylene/ultra-high molecular weight polyethylene fiber high-strength covered yarn is a cut-resistant fabric. Fabrics used for cut-resistant protection generally require the use of high-strength and high-modulus yarns, which are generally high in rigidity and hardness, and such as para-aramid filaments or staple fibers and ultra-high molecular weight polyethylene filaments, which are the most used in cut-resistant fabrics in the market, tend to have rough hand feel and are relatively poor in comfort. In particular, it is sometimes desirable to improve the yarn to further improve the cut resistance of the fabric, such as by covering or wrapping with stiffer fibers such as fiberglass, stainless steel, etc., and by making the wrapping difficult to complete, making the fabric more rugged and uncomfortable.

CN104532431 reports that in order to reduce the exposure of core-spun glass fiber, inner and outer layers are reversely coated, firstly 100D glass fiber low-elasticity filament is coated with extremely high twist to 12000 twist/m, then 400D ultrahigh molecular weight polyethylene filament is reversely and highly twisted to be coated (to 8300 twist/m), and 105D spandex is coated with 200D polyethylene filament, and then the labor insurance gloves are produced by the two materials by a double-layer knitting method. The coating method has extremely low efficiency, the 200d ultrahigh molecular weight polyethylene fiber is expensive, and the raw material cost and the production cost are very high.

US dupont corporation discloses in US 9620930: the cut resistance of the fabric is not influenced by the twist change of the yarn, and is improved along with the increase of the density of the short fiber used in the yarn, so that the para-aramid short fiber yarn with the twist coefficient less than 26, the low twist and the linear density of 4-5 dtex is spun, and the fabric has cut resistance and keeps comfort. The patent adopts the mode of low twist and high linear density short fiber to solve the balance of cutting resistance and comfort of the fabric, and has the advantage of simple spinning process. However, the utility model has the following problems: (1) the low-twist yarn has rich hairiness, higher requirement on the subsequent weaving process and high end breakage rate; (2) the low twist is not beneficial to the design of the core-spun yarn, and the possibility of further improving the cutting resistance of the fabric is low; (3) the high linear density short fiber yarn fabric has a rough appearance and simultaneously offsets part of comfort of the fabric.

It is desirable to design a covering yarn for protective garments that has cut resistant yarns, is elastic, and has good softness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spandex/dacron/ultra high molecular weight polyethylene high strength cladding yarn for the yarn that makes still has good compliance when having the cutting performance of preventing, is applicable to protective clothing and uses.

In order to solve the technical problem, the purpose of the utility model is to realize like this:

the utility model relates to a spandex/terylene/ultra-high molecular weight polyethylene fiber high-strength covered yarn, which is characterized by comprising a core yarn, a first covering layer and a second covering layer; the first coating layer is coated on the outer layer of the core wire, and the second coating layer is coated on the outer side of the second coating layer; the core yarn is spandex filament yarn; the fiber used by the first coating layer is ultra-high molecular weight polyethylene short fiber; the fiber used by the second coating layer is polyester fiber.

As a further illustration of the above solution, a plurality of fiber attachment points are randomly disposed in the first coating layer.

As a further illustration of the above solution, a plurality of fiber attachment points are randomly disposed in the second coating layer.

As a further explanation of the above scheme, a third coating layer is disposed outside the second coating layer, and the third coating layer is made of cotton fibers.

As a further explanation of the above scheme, a fourth clad layer is disposed between the first clad layer and the second clad layer; the fiber used by the fourth coating layer is flame-retardant fiber.

The utility model has the advantages that: the utility model relates to a spandex/dacron/ultra high molecular weight polyethylene high strength cladding yarn has used ultra high molecular weight polyethylene as the cladding of coating in the skin of core silk for whole cladding yarn has good anti cutting ability. And the polyester fiber coated on the outer layer can improve the touch feeling when the coated yarn is contacted with the skin, so that the polyester fiber is more suitable for the use of protective clothing.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic structural view of the second embodiment;

FIG. 3 is a schematic structural view of the third embodiment;

FIG. 4 is a schematic structural diagram of the third embodiment.

The designations in the figures illustrate the following: 1-core filament; 2-a first coating layer; 3-a second coating layer; 4-fiber tack point; 5-a third coating layer; 6-fourth coating layer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example one

This embodiment is described in detail with reference to fig. 1. The high-strength spandex/terylene/ultrahigh molecular weight polyethylene fiber covered yarn comprises a core yarn 1, a first covering layer 2 and a second covering layer 3.

The first coating layer 2 is coated on the outer layer of the core wire 1, and the second coating layer 3 is coated on the outer side of the first coating layer 2; the core yarn 1 is spandex filament yarn; the fiber used in the first coating layer 2 is ultra-high molecular weight polyethylene short fiber; the fiber used for the second coating layer 3 is polyester fiber.

The fineness of the spandex filament used was 40D. The polyester filament used was 1.56dtex and 38mm in length. The ultra-high-molecular-weight polyethylene staple fibers used had a fineness of 1.21dtex and a length of 38 mm.

And in the first coating 2 a number of fibre attachment points 4 are randomly arranged. A number of fibre attachment points 4 are randomly arranged in the second coating layer 2. The fiber attachment points 4 used are formed by heating the ES fibers. The surface layer of the ES fiber is low-melting-point fiber, and after the ES fiber is subjected to high-temperature treatment, the outer layer of the ES fiber is melted, and the fibers around the ES fiber can be bonded, so that the strength of the whole yarn is increased. And if the fiber adhesion points 4 arranged on the coating layer of the outermost layer can enable the coating yarn to float fibers, the possibility of fluffing and pilling can be reduced.

Example two

This embodiment will be described in detail with reference to fig. 2. The high-strength covered yarn of the spandex/terylene/ultra-high molecular weight polyethylene fiber related by the embodiment comprises a core yarn 1, a first covering layer 2, a second covering layer 3 and a third covering layer 5. The first coating layer 2 is coated on the outer layer of the core wire 1, and the second coating layer 3 is coated on the outer side of the second coating layer 2; the core yarn 1 is spandex filament yarn; the fiber used in the first coating layer 2 is ultra-high molecular weight polyethylene short fiber; the fiber used for the second coating layer 3 is polyester fiber. The outer side of the second coating layer 3 is provided with a third coating layer 5, and the third coating layer 5 is cotton fiber. The arrangement of the cotton fibers can ensure the touch feeling of the whole covering yarn and increase the comfort when the covering yarn is in contact with the skin.

EXAMPLE III

This embodiment will be described in detail with reference to fig. 3. The high-strength spandex/terylene/ultra-high molecular weight polyethylene fiber covered yarn comprises a core yarn 1, a first covering layer 2, a second covering layer 3 and a fourth covering layer 6. The first coating layer 2 is coated on the outer layer of the core wire 1, and the second coating layer 3 is coated on the outer side of the second coating layer 2; the core yarn 1 is spandex filament yarn; the fiber used in the first coating layer 2 is ultra-high molecular weight polyethylene short fiber; the fiber used for the second coating layer 3 is polyester fiber. A fourth clad layer 6 is provided between the first clad layer 2 and the second clad layer 3; the fiber used in the fourth coating layer 6 is flame retardant fiber. And the polyester fiber used in this example is flame retardant polyester.

Example four

This embodiment will be described in detail with reference to fig. 4. The spandex/terylene/ultra-high molecular weight polyethylene fiber high-strength covered yarn comprises a core yarn 1, a first covering layer 2, a second covering layer 3, a third covering layer 5 and a fourth covering layer 6. The first coating layer 2 is coated on the outer layer of the core wire 1, and the second coating layer 3 is coated on the outer side of the second coating layer 2; the core yarn 1 is spandex filament yarn; the fiber used in the first coating layer 2 is ultra-high molecular weight polyethylene short fiber; the fiber used for the second coating layer 3 is polyester fiber. The second cladding layer 3 is provided on the outside with a third cladding layer 5 and between the first cladding layer 2 and the second cladding layer 3 with a fourth cladding layer 6. And the polyester fiber is flame-retardant polyester, and the cotton fiber is subjected to flame-retardant treatment.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A high-strength covered yarn of spandex/terylene/ultra-high molecular weight polyethylene fiber is characterized by comprising a core yarn (1), a first covering layer (2) and a second covering layer (3); the first coating layer (2) is coated on the outer layer of the core wire (1), and the second coating layer (3) is coated on the outer side of the first coating layer (2); the core yarn (1) is spandex filament yarn; the fibers used in the first coating layer (2) are ultra-high molecular weight polyethylene short fibers; the fiber used by the second coating layer (3) is polyester fiber.

2. The spandex/dacron/ultra-high molecular weight polyethylene fiber high-strength covered yarn according to claim 1, wherein a plurality of fiber adhesion points (4) are randomly arranged in the first covering layer (2).

3. The spandex/dacron/ultra-high molecular weight polyethylene fiber high-strength covered yarn according to claim 1, wherein a plurality of fiber adhesion points (4) are randomly arranged in the second covering layer (3).

4. The spandex/terylene/ultra-high molecular weight polyethylene fiber high-strength covered yarn according to claim 1, wherein a third covering layer (5) is arranged on the outer side of the second covering layer (3), and the third covering layer (5) is cotton fiber.

5. The spandex/terylene/ultra-high molecular weight polyethylene fiber high-strength covered yarn according to claim 1, wherein a fourth covering layer (6) is arranged between the first covering layer (2) and the second covering layer (3); the fiber used by the fourth coating layer (6) is flame-retardant fiber.