CN218580350U

CN218580350U - Tear-resistant high-strength warp-knitted fabric

Info

Publication number: CN218580350U
Application number: CN202222201202.5U
Authority: CN
Inventors: 周宁; 周洁; 卜忠杰
Original assignee: Zhejiang Xincheng New Material Co ltd
Current assignee: Zhejiang Xincheng New Material Co ltd
Priority date: 2022-08-20
Filing date: 2022-08-20
Publication date: 2023-03-07
Anticipated expiration: 2032-08-20

Abstract

The utility model provides a tear-resistant high strength warp-knitted cloth belongs to textile fabric technical field, include: a base cloth layer; the base cloth layer adopts a full width weft insertion warp knitting structure, the main body is formed by warp knitting high-strength environment-friendly yarns, and ultrahigh molecular weight polyethylene fiber yarns are inserted; the high-strength environment-friendly yarn comprises a core yarn and a cladding yarn, wherein the core yarn is formed by cabling three strands of regenerated polyester filaments; the wrapping yarn is a regenerated nylon yarn, and the regenerated nylon yarn is spirally wound outside the core yarn. The utility model discloses not only environmental protection more, intensity is higher moreover, and tear resistance is stronger.

Description

Tear-resistant high-strength warp-knitted fabric

Technical Field

The utility model relates to a textile fabric technical field, concretely relates to tear-resistant high strength warp knitting cloth.

Background

Weaving processes include weaving, knitting, braiding, and non-weaving, wherein knitting is further classified into warp knitting and weft knitting. Warp knitting is a textile technology belonging to the field of knitting. Knitted fabrics are formed by simultaneously knitting one or more sets of parallel aligned yarns on all the working needles of a warp feed machine, a process known as warp knitting, and a knitted fabric known as warp knit. The warp knitted fabric has different characteristics due to different raw materials and tissue structures, and the warp knitted fabric knitted by the high-strength yarns has the characteristic of high strength and tear resistance. The existing high-strength tear-resistant warp knitted fabric is generally made of chemical fiber raw materials, is relatively not environment-friendly and needs to be improved in strength. Therefore, the utility model provides a more environmental protection and the higher anti high strength warp knitting cloth that tears of intensity.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tear-resistant high strength warp knitting cloth.

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

a tear resistant high strength warp knit fabric comprising: a base cloth layer;

the base cloth layer adopts a full width weft insertion warp knitting structure, the main body is formed by warp knitting high-strength environment-friendly yarns, and ultrahigh molecular weight polyethylene fiber yarns are inserted;

the high-strength environment-friendly yarn comprises a core yarn and a covering yarn, wherein the core yarn is formed by twisting three strands of regenerated polyester filaments; the wrapping yarn is a regenerated nylon yarn, and the regenerated nylon yarn is spirally wound outside the core yarn.

On the basis of the scheme, the base cloth layer is woven by GB1 and GB2, the lapping weave of GB1 is 0-1/1-0//, and the threading rule is that one thread is threaded and one is not threaded; the yarn laying weave of GB2 is 4-0/0-4//, and the yarn threading rule is that one yarn is threaded through one space.

On the basis of the scheme and as a preferable scheme of the scheme, at least one strand of the three strands of regenerated polyester filaments is antibacterial regenerated polyester filament.

On the basis of the scheme, as a preferable scheme of the scheme, a flame-retardant finishing agent layer is attached to the surface of the regenerated nylon yarn.

On the basis of the above scheme and as a preferable scheme of the above scheme, a layer of flame retardant finishing agent is attached to the surface of the ultrahigh molecular weight polyethylene fiber yarn.

On the basis of the above scheme and as a preferable scheme of the above scheme, the conductive filament is wound on the surface of the core yarn.

On the basis of the scheme, as a preferable scheme of the scheme, the surface of the base cloth layer is coated with a polyurethane coating.

The utility model has the advantages that: the base material adopted by the tear-resistant high-strength warp-knitted fabric provided by the utility model is high-strength environment-friendly yarns which are made of regenerated nylon yarns coated with regenerated polyester filaments, so that the tear-resistant high-strength warp-knitted fabric not only has extremely high strength, but also is relatively more environment-friendly; the ultra-high molecular weight polyethylene fiber yarns are further lined in the base cloth layer, so that the strength of the warp knitted cloth can be further improved, and the warp knitted cloth has certain cutting and scratch resistance.

Drawings

Fig. 1 is the cross-sectional schematic view of the high-strength environment-friendly yarn of the utility model.

Fig. 2 is the yarn laying weave diagram of the utility model GB 1.

Fig. 3 is the yarn laying weave diagram of the utility model GB 2.

Fig. 4 is a schematic cross-sectional view of a high-strength environmental-friendly yarn according to an embodiment of the present invention.

Fig. 5 is a schematic view of a three-side material layer structure according to an embodiment of the present invention.

In the figure: 1. a base cloth layer; 2. a polyurethane coating; 11. regenerating polyester filament yarns; 12. regenerating nylon yarns; 13. a flame retardant finish layer; 14. a conductive filament.

Detailed Description

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

The first embodiment is as follows:

a tear resistant high strength warp knit fabric comprising: a base fabric layer 1; the base cloth layer 1 adopts a full width weft insertion warp knitting structure, the main body is formed by warp knitting high-strength environment-friendly yarns, and ultrahigh molecular weight polyethylene fiber yarns are inserted;

the high-strength environment-friendly yarn comprises a core yarn and a cladding yarn, wherein the core yarn is formed by cabling three strands of regenerated polyester filaments 11; the wrapping yarn is a regenerated nylon yarn 12, and the regenerated nylon yarn is spirally wound outside the core yarn. At least one of the three strands of regenerated polyester filament yarns is antibacterial regenerated polyester filament yarn, so that the high-strength environment-friendly yarn has antibacterial property, the functions of warp knitted cloth are enriched, and the texture of all over warp yarns is improved.

Preferably, the preparation method of the antibacterial regenerated polyester filament comprises the following steps: step 1, pre-crystallizing materials, wherein the materials belong to PET bottle piece recycled materials; specifically, the method comprises the steps of pre-crystallizing by dehumidifying and drying hot air; step 2, feeding materials in a screw type; feeding the dried PET bottle flakes into a screw extruder; step 3, filtering, homopolymerizing and pressurizing; filtering the melt extruded by the extruder, then adding the filtered melt into a homopolymerization reaction kettle for tackifying, vacuumizing to remove small molecules, simultaneously mixing polyester macromolecular chain segments uniformly, and then using a booster pump to ensure the continuous production of spinning and the constancy of melt pressure; and 4, adopting a set of homopolymerization reaction kettle by the composite spinning technology, preparing the melt of the skin layer core layer from the reaction kettle, additionally arranging a dynamic mixer on a melt pipeline of the skin layer, controlling the quantitative injection of the antibacterial master batch melt by a computer, injecting the two groups of melts into the composite spinning assembly through the melt pipeline for spinning, wherein the melts with the antibacterial effect are of a skin layer structure, the conventional melts are core layers, and then winding and forming are carried out.

Specifically, the base fabric layer 1 main body is woven by two guide bars GB1 and GB2, as shown in fig. 2 and fig. 3, the yarn laying organization of GB1 is 0-1/1-0//, and the yarn threading rule is that one is threaded and one is not threaded; the yarn laying weave of GB2 is 4-0/0-4//, and the yarn threading rule is that one yarn is threaded through one space. The warp knitting cloth adopting the structure is relatively more stable in structure, compact in fabric and capable of effectively preventing the slip of the inserted weft yarns.

The second embodiment:

as shown in fig. 4, in this embodiment, on the basis of the first embodiment, a flame retardant finishing agent layer 13 is attached to the surface of the regenerated nylon yarn 12, and a flame retardant finishing agent layer is attached to the surface of the ultra-high molecular weight polyethylene fiber yarn; while the conductive filaments 14 are wound on the surface of the core yarn.

Preferably, the flame retardant finishing agent layer 13 is prepared by impregnating the regenerated nylon yarn 12 and the ultra-high molecular weight polyethylene fiber yarn with a flame retardant finishing agent solution, so that the fabric has excellent flame retardancy. Optionally, a flame retardant finishing agent layer 13 is also attached to the surface of the regenerated polyester filament yarn. A

The conductive filament 14 is arranged between the core yarn and the cladding yarn and spirally wound on the surface of the core yarn, so that static electricity generated by the yarn can be discharged, the influence caused by static electricity accumulation is prevented, and the fabric has excellent antistatic performance. Preferably, the conductive filaments 14 are conductive metal filaments.

Example three:

as shown in fig. 5, in this embodiment, on the basis of the first embodiment, a polyurethane coating layer 2 is coated on the surface of the base fabric layer 1. The polyurethane coating 2 can improve the hand feeling of the fabric, improve the performance of the fabric and enable the fabric to have wider applicability.

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 tear resistant high strength warp knit fabric comprising: a base fabric layer (1);

the base cloth layer (1) adopts a full width weft insertion warp knitting structure, the main body is formed by warp knitting high-strength environment-friendly yarns, and ultrahigh molecular weight polyethylene fiber yarns are inserted;

the high-strength environment-friendly yarn comprises a core yarn and a covering yarn, wherein the core yarn is formed by cabling three strands of regenerated polyester filament yarns (11); the wrapping yarn is a regenerated nylon yarn (12) which is spirally wound outside the core yarn.

2. The tear-resistant high-strength warp-knitted fabric according to claim 1, wherein the base fabric layer (1) is woven from GB1 and GB2, the lapping weave of GB1 is 0-1/1-0//, and the threading rule is that one thread is threaded and one thread is not threaded; the yarn laying weave of GB2 is 4-0/0-4//, and the yarn threading rule is that one yarn is threaded through one space.

3. The tear-resistant high-strength warp-knitted fabric according to claim 1, wherein at least one of the three strands of regenerated polyester filaments is an antibacterial regenerated polyester filament.

4. The tear-resistant high-strength warp-knitted fabric according to claim 1, wherein a flame retardant finishing agent layer (13) is attached to the surface of the regenerated nylon yarn (12).

5. The tear-resistant high-strength warp-knitted fabric according to claim 1, wherein a flame retardant finishing agent layer is attached to the surface of the ultrahigh molecular weight polyethylene fiber yarn.

6. A tear resistant high strength warp knit fabric according to claim 1 wherein said core yarn is surface wrapped with an electrically conductive filament (14).

7. A tear-resistant high-strength warp-knitted fabric according to claim 1, wherein the surface of the base fabric layer (1) is coated with a polyurethane coating (2).