CN219117370U

CN219117370U - Novel fire-resistant mica tape

Info

Publication number: CN219117370U
Application number: CN202223589577.XU
Authority: CN
Inventors: 刘浩; 于会建; 孙明明; 刘树勋
Original assignee: Changzhou Rongding Cable Material Co ltd
Current assignee: Changzhou Rongding Cable Material Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-02
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to the technical field of mica tape products, in particular to a novel fire-resistant mica tape, which comprises an anti-seepage film layer, an upper alkali-free glass fiber cloth layer, a mica layer, a lower alkali-free glass fiber cloth layer and a buffer deformation layer which are sequentially and tightly overlapped from top to bottom, wherein the left width and the right width of each layer are equal, the two layers are adhered by an adhesive, the total thickness range formed by the two layers is 0.15 mm-0.55 mm, and the upper surface of the anti-seepage film layer is coated with an adhesive surface coating; according to the novel fire-resistant mica tape disclosed by the utility model, the insulation and steam-proof performances are improved by arranging the impermeable film layer; the impermeable film layer and the buffer deformation layer are better connected by arranging the adhesive surface coating, so that the impermeable film layer is not easy to loosen after winding, and the punctiform arrangement not only realizes the function of the impermeable film layer, but also saves raw materials; the fireproof mica tape is convenient to wind when in use by arranging the buffer deformation layer, is adapted to the surfaces of various objects, greatly improves the practicability, and can provide a certain buffer protection function.

Description

Novel fire-resistant mica tape

Technical Field

The utility model relates to the technical field of mica tape products, in particular to a novel fire-resistant mica tape.

Background

The fire-resistant mica tape is an important raw material for producing fire-resistant safety cables, and the high-performance mica insulation product has excellent high-temperature resistance and combustion resistance, and the higher the special safety cable is, the higher the corresponding performance requirement on multiple aspects of the fire-resistant mica tape is, and the continuous improvement of the performance is a subject of continuous research of related manufacturers.

Disclosure of Invention

The utility model aims to provide a novel fire-resistant mica tape, which has obviously improved various performances and is suitable for manufacturing high-end special wires and cables.

In order to achieve the above purpose, the utility model adopts the following scheme: the utility model provides a novel fire-resistant mica tape, includes from last closely coincide prevention of seepage film layer down in proper order, goes up alkali-free glass fiber cloth layer, mica layer, lower alkali-free glass fiber cloth layer and buffering deformation layer, and width all equals about each layer, and the whole thickness scope that just forms through the adhesive bonding between two is 0.15mm ~ 0.55mm, the upper surface coating on prevention of seepage film layer has the gluey face coating.

Further, the impermeable film layer is one of a PE film, a PET film and a PVDF film, and the thickness of the impermeable film layer is between 0.02mm and 0.05 mm.

Further, the upper alkali-free glass fiber cloth layer and the lower alkali-free glass fiber cloth layer have equal thickness and are thinner than the mica layer.

Further, the thickness of the buffer deformation layer is more than or equal to that of the mica layer, the buffer deformation layer is soft and elastic, compression deformation can be generated after the buffer deformation layer is extruded, and otherwise, the buffer deformation layer is restored to the original state.

Further, the thickness of the mica layer is more than 30% of the total thickness of the fire-resistant mica tape.

Further, the adhesive surface coating is uniformly and densely distributed on the upper surface of the impermeable film layer in a dot shape.

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

according to the novel fire-resistant mica tape disclosed by the utility model, the insulation and steam-proof performances are improved by arranging the impermeable film layer; the impermeable film layer and the buffer deformation layer are better connected by arranging the adhesive surface coating, so that the impermeable film layer is not easy to loosen after winding, and the punctiform arrangement not only realizes the function of the impermeable film layer, but also saves raw materials; the fireproof mica tape is convenient to wind when in use by arranging the buffer deformation layer, is adapted to the surfaces of various objects, greatly improves the practicability, and can provide a certain buffer protection function.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the dashed circle of FIG. 1;

FIG. 3 is a schematic illustration of the arrangement of a glue coating according to the present utility model;

the marks in the figure: 1. an impermeable film layer; 1a, a glue surface coating; 2. an alkali-free glass fiber cloth layer is arranged on the upper surface of the glass fiber cloth layer; 3. a mica layer; 4. the lower alkali-free glass fiber cloth layer; 5. and buffering the deformation layer.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-2, a novel fire-resistant mica tape is a strip-shaped flexible strip, is usually wound on a reel to leave a factory in a roll shape, and comprises an impermeable film layer 1, an upper alkali-free glass fiber cloth layer 2, a mica layer 3, a lower alkali-free glass fiber cloth layer 4 and a buffer deformation layer 5 which are sequentially and tightly overlapped from top to bottom, wherein the left and right widths of the layers are equal, the layers are adhered by an adhesive, the total thickness range formed by the adhesive is 0.15-0.55 mm, and the upper surface of the impermeable film layer 1 is coated with a glue surface coating 1a. The mica material has the characteristics of insulation, high temperature resistance and good heat insulation, and can be well combined with alkali-free glass fiber cloth by the existing process.

The impermeable film layer 1 is one of a PE film, a PET film and a PVDF film, has the thickness of 0.02-0.05 mm, and has excellent insulation and waterproof performance.

The thickness of the upper alkali-free glass fiber cloth layer 2 and the thickness of the lower alkali-free glass fiber cloth layer 4 are equal and thinner than the thickness of the mica layer 3, and the thickness of the mica layer 3 accounts for more than 30% of the total thickness of the fire-resistant mica tape, so that the fire-resistant mica tape is ensured to have enough insulation, high temperature resistance and heat insulation performance.

The thickness of the buffer deformation layer 5 is greater than or equal to the thickness of the mica layer 3, the buffer deformation layer is soft and elastic, compression deformation can be generated after extrusion, otherwise, the buffer deformation layer is restored to the original state when no extrusion force is applied, the fire-resistant mica tape can be conveniently wound when in use due to the characteristics, the surface of various objects is adapted, the practicability is greatly improved, and a certain buffer protection function can be further provided.

As shown in fig. 3, the adhesive surface coating 1a is uniformly and densely distributed on the upper surface of the impermeable film layer 1 in a dot shape, when the fire-resistant mica tape of the utility model is wound and used, the adhesive surface coating 1a better connects the impermeable film layer 1 with the buffer deformation layer 5, the adhesive surface coating is not easy to loosen after winding, the service life of the product is long, and the dot-shaped arrangement not only realizes the function of the impermeable film layer, but also saves raw materials.

While the utility model has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes, modifications and additions may be made without departing from the spirit of the utility model.

Claims

1. A novel fire-resistant mica tape, characterized in that: the anti-seepage film comprises an anti-seepage film layer (1) which is sequentially and tightly overlapped from top to bottom, an upper alkali-free glass fiber cloth layer (2), a mica layer (3), a lower alkali-free glass fiber cloth layer (4) and a buffer deformation layer (5), wherein the left width and the right width of each layer are equal, the two layers are adhered by an adhesive, the total thickness range formed by the adhesive is 0.15 mm-0.55 mm, and the upper surface of the anti-seepage film layer (1) is coated with an adhesive surface coating (1 a).

2. A novel refractory mica tape according to claim 1, wherein: the impermeable film layer (1) is one of a PE film, a PET film and a PVDF film, and the thickness of the impermeable film layer is between 0.02mm and 0.05 mm.

3. A novel refractory mica tape according to claim 1, wherein: the thickness of the upper alkali-free glass fiber cloth layer (2) and the thickness of the lower alkali-free glass fiber cloth layer (4) are equal and thinner than the mica layer (3).

4. A novel refractory mica tape according to claim 1, wherein: the thickness of the buffer deformation layer (5) is more than or equal to that of the mica layer (3), the buffer deformation layer is soft and elastic, compression deformation can be generated after the buffer deformation layer is extruded, and otherwise, the buffer deformation layer is restored to the original state.

5. A novel refractory mica tape according to claim 1, wherein: the thickness of the mica layer (3) accounts for more than 30% of the total thickness of the fire-resistant mica tape.

6. A novel refractory mica tape according to claim 1, wherein: the adhesive surface coating (1 a) is uniformly and densely distributed on the upper surface of the impermeable film layer (1) in a dot shape.