CN216968970U

CN216968970U - Medical multilayer composite PVC sandwich mesh cloth

Info

Publication number: CN216968970U
Application number: CN202220448971.2U
Authority: CN
Inventors: 陈界平
Original assignee: Suzhou Huasu Plastics Co Ltd
Current assignee: Suzhou Huasu Plastics Co Ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-15
Anticipated expiration: 2032-03-03

Abstract

The utility model provides medical multilayer composite PVC (polyvinyl chloride) mesh fabric which comprises a first film layer, a non-woven fabric layer, a second film layer, a mesh fabric layer and a third film layer; the waterproof coating is arranged on the upper end face of the first film layer, the lower end face of the first film layer is fixedly connected with a non-woven fabric layer, the lower end face of the non-woven fabric layer is fixedly connected with a second film layer, the lower end face of the second film layer is fixedly connected with a mesh fabric layer, and the lower end face of the mesh fabric layer is fixedly connected with a third film layer; the first film layer, the second film layer and the third film layer are all PVC layers. The PVC net-sandwiched cloth has multiple effects of stain resistance, self-cleaning, water resistance, antibiosis and flame retardance, has good mechanical property and convenient use, and meets the requirement of environmental protection.

Description

Medical multilayer composite PVC sandwich mesh cloth

Technical Field

The utility model relates to the technical field of medical pads, in particular to medical multilayer composite PVC sandwich mesh cloth.

Background

At present, PVC clamp mesh cloth is applied to the field of medical pads in a large number, for example, a medical pad made of a pure PVC film and a medical pad made of a PVC film and non-woven fabric in a matching mode are used, but the pure PVC film is used for making the medical pad, the effect is single, only the pure PVC film has a common waterproof effect, and the pure PVC clamp mesh cloth is easy to damage and slide and shift during use.

The medical pad manufactured by matching the PVC film and the non-woven fabric is structurally a medical pad with a two-layer structure formed by a gluing and attaching process, and is low in mechanical property, easy to tear and damage in the using process and lack of the requirements for health and environmental protection. If the surface layer and the bottom layer are PVC films matched with the middle terylene net cloth layer and are laminated into the sandwich-structured net clamping cloth by heating and pressing, the product has excellent mechanical property, but has the defects of easy sliding displacement and abnormal friction sound during use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide medical multilayer composite PVC (polyvinyl chloride) mesh fabric aiming at the defects of the existing PVC medical pad, and the PVC mesh fabric has multiple effects of stain resistance, self-cleaning, water resistance, antibiosis and flame retardance, has good mechanical property, is convenient to use and meets the requirement of environmental protection.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a compound PVC of medical multilayer presss from both sides otter board, includes first film layer, non-woven fabrics layer, second film layer, otter board and the third film layer that from the top down superposes in proper order and sets up, wherein:

the waterproof coating is arranged on the upper end face of the first film layer, the non-woven fabric layer is fixed on the lower end face of the first film layer, the second film layer is fixed on the lower end face of the non-woven fabric layer, the net fabric layer is fixed on the lower end face of the second film layer, and the third film layer is fixedly connected to the lower end face of the net fabric layer;

the first film layer, the second film layer and the third film layer are all PVC layers.

Wherein the material of the non-woven fabric layer is long fiber non-woven fabric.

Wherein the gram weight of the non-woven fabric in the non-woven fabric layer is 170g/m 2-180 g/m 2.

Wherein, in the mesh fabric layer, the mesh fabric is woven by adopting polyester flat yarns.

Wherein, in the net cloth layer, the specification of net cloth is as follows: the thread count was 9 × 9/in 2, and the denier was 500D × 500D.

The thicknesses of the first film layer, the second film layer and the third film layer are controlled to be 0.080 mm-0.085 mm.

Wherein the waterproof coating is an organic silicon resin coating layer, and the thickness of the waterproof coating is 2-3 mu m.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the medical multilayer composite PVC sandwich mesh fabric, the mesh fabric and the non-woven fabric are respectively bonded with a PVC film, and then the mesh fabric and the non-woven fabric bonded with PVC are heated and bonded to form a multilayer composite sandwich mesh structure; after the mesh cloth with high tensile modulus is attached to the non-woven fabric with the fiber web structure, a more stable net structure is formed, so that the PVC net clamping cloth has higher physical tensile strength and tear strength and good dimensional stability, and the mechanical property of the PVC net clamping cloth is ensured;

2. according to the medical multilayer composite PVC sandwich mesh cloth, the waterproof coating, such as the organic silicon resin coating, is arranged on the upper end face of the first film layer, so that the PVC sandwich mesh cloth is ensured to have the functions of easy cleaning and water resistance, the anti-fouling effect is realized, the coating has good biocompatibility, and the environment-friendly requirement is met; the waterproof coating can also enable the surface of the PVC film to have a certain frosting effect, so that abnormal friction and noise of the mat during use are avoided; meanwhile, the waterproof coating is combined with the mesh fabric interlayer and the non-woven fabric interlayer structure, so that the friction force of the medical pad is increased, and the medical pad is not easy to slide or shift in the using process;

3. the medical multilayer composite PVC sandwich mesh cloth has a good flame retardant effect, and can ensure that the product meets the flame retardant standards of NFPA701 and TM 1; and the PVC net sandwiched cloth has certain heat preservation effect and is comfortable to use.

Drawings

Fig. 1 is a schematic structural diagram of the medical multilayer composite PVC sandwich mesh cloth of the present invention.

Description of reference numerals: 1. a first thin film layer; 2. a non-woven fabric layer; 3. a second thin film layer; 4. a mesh layer; 5. a third thin film layer; 6. and (3) a waterproof coating.

Detailed Description

In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the accompanying drawings.

In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the utility model. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways.

The utility model provides a medical multilayer composite PVC net clamping cloth, which adopts a multilayer net clamping structure design, non-woven fabrics and net cloth are respectively clamped between PVC films and are compounded together, and meanwhile, a waterproof coating is coated on the surface layer, so that the mechanical performance of the PVC net clamping cloth is improved, and the PVC net clamping cloth has multiple functions of stain resistance, easy cleaning, water resistance and the like.

Referring to fig. 1, in one exemplary embodiment of the present invention, a medical multilayer composite PVC sandwich mesh is provided, comprising a first film layer 1, a nonwoven layer 2, a second film layer 3, a mesh layer 4, and a third film layer 5.

The waterproof coating 6 is arranged on the upper end face of the first film layer 1, the non-woven fabric layer 2 is fixedly connected to the lower end face of the first film layer 1, the second film layer 3 is fixedly connected to the lower end face of the non-woven fabric layer 2, the mesh fabric layer 4 is fixedly connected to the lower end face of the second film layer 3, and the third film layer 5 is fixedly connected to the lower end face of the mesh fabric layer 4.

The first film layer 1, the second film layer 3 and the third film layer 5 are respectively made of PVC films, and the thickness of the PVC films is controlled to be 0.080 mm-0.085 mm. The PVC film has surface waterproofing, and the easy laminating of heating back, advantage that elasticity is good can with screen cloth and the better laminating of non-woven fabrics, makes the compound PVC of multilayer press from both sides net cloth and keeps the stability of size.

In an alternative embodiment, in order to enhance the antibacterial effect of the medical pad, a waterproof coating layer may be further disposed on the lower surface of the third film layer 5(PVC), so as to achieve further waterproof and anti-slip effects.

In a preferred embodiment, the material of the non-woven fabric layer is a long fiber non-woven fabric, and the non-woven fabric is a fiber web structure formed by randomly supporting synthetic fibers, and has the characteristics of good dimensional stability and difficult tearing; the long fiber flame-retardant non-woven fabric is adopted, so that the heat-insulating effect is achieved to a certain extent, and the use is comfortable.

In another preferred embodiment, in the nonwoven layer, the grammage of the nonwoven is 170g/m²～180g/m²。

In a preferred embodiment, the mesh fabric is woven by using polyester flat yarns, and the mesh fabric is woven into mesh fabric in the warp and weft directions by a special weaving method, so that the mesh fabric has high tensile modulus.

In another preferred embodiment, the mesh fabric has the following specifications: the warp and weft density is 9 x 9 pieces/in²Denier is 500D by 500D.

Specifically, the warp and weft density is 9 × 9 pieces/in²The number of filaments is 9 x 9 in the warp direction and the weft direction within each square inch; a denier of 500D by 500D means that the weight of the filament per 9000 meters is 500g in both the warp and weft directions.

In a preferred embodiment, the waterproof coating adopts a silicone resin coating, has good waterproof, mould-proof and biocompatibility, and has a thickness of 2-3 μm. Meanwhile, the medical pad has certain weather resistance and oxidation resistance, and is beneficial to long-term use of the medical pad.

As an exemplary manufacturing process, the medical multilayer composite PVC sandwich mesh fabric of the present invention is obtained by first coating the upper end surface of the first film layer 1 with a waterproof coating, stacking the nonwoven fabric layer 2, the second film layer 3, the mesh fabric layer 4 and the third film layer 5 on the lower end surface of the first film layer 1 in this order, and applying the stacked materials under heat and pressure.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims

1. The utility model provides a screen cloth is pressed from both sides to compound PVC of medical multilayer, its characterized in that includes first thin layer, non-woven fabrics layer, second thin layer, screen cloth layer and the third thin layer that from the top down superposes in proper order and sets up, wherein:

2. The medical multilayer composite PVC clip mesh fabric according to claim 1, wherein the material of the non-woven fabric layer is a long fiber non-woven fabric.

3. The medical multilayer composite PVC clip mesh cloth according to claim 1, wherein the gram weight of the non-woven fabric in the non-woven fabric layer is 170g/m²~180g/m²。

4. The medical multilayer composite PVC sandwich mesh cloth according to claim 1, wherein in the mesh cloth layer, the mesh cloth is woven with polyester flat yarns.

5. The medical multilayer composite PVC sandwich mesh cloth according to claim 4, wherein in the mesh cloth layers, the mesh cloth has the following specifications: the warp and weft density is 9 x 9 pieces/in²Denier is 500D by 500D.

6. The medical multilayer composite PVC clamp mesh cloth according to claim 1, wherein the thicknesses of the first film layer, the second film layer and the third film layer are controlled to be 0.080 mm-0.085 mm.

7. The medical multilayer composite PVC sandwich mesh cloth according to claim 1, wherein said waterproof coating is a silicone resin coating.

8. The medical multilayer composite PVC sandwich mesh cloth according to claim 7, wherein the thickness of the organic silicon resin coating is 2-3 μm.