CN210309367U

CN210309367U - Fire-resistant flame-retardant mica tape

Info

Publication number: CN210309367U
Application number: CN201921010894.7U
Authority: CN
Inventors: 赵永良
Original assignee: Jiangsu Dingliang Electric Technology Co Ltd
Current assignee: Jiangsu Dingliang Electric Technology Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-14
Anticipated expiration: 2029-07-02

Abstract

The utility model belongs to the technical field of wire and cable auxiliary material production, especially, be a fire-resistant fire-retardant mica tape, including the mica tape body, the mica tape body includes mica layer, first tie coat, second tie coat, outer flame retardant coating, interior flame retardant coating, outer insulating layer and inner insulating layer, the upper end of mica layer is provided with outer flame retardant coating, the lower extreme of mica layer is provided with interior flame retardant coating, be provided with first tie coat between outer flame retardant coating and the mica layer, be provided with the second tie coat between interior flame retardant coating and the mica layer, outer flame retardant coating is through the fixed bonding of the up end on first tie coat and mica layer, interior flame retardant coating is through the fixed bonding in bottom surface on second tie coat and mica layer. The utility model discloses a set up outer fire-retardant layer, interior fire-retardant layer, outer insulating layer, inner insulating layer, outer thin layer and interior thin layer, it is fire-resistant, fire-retardant and insulating effect poor, do not possess water-proof effects, problem that wire and cable life is short.

Description

Fire-resistant flame-retardant mica tape

Technical Field

The utility model relates to a wire and cable auxiliary material production technical field specifically is a fire-resistant fire-retardant mica tape.

Background

Mica tapes, also called fire-resistant mica tapes, are made of mica tapes and can be divided into the following components according to the purposes: mica tape for motor and cable. The structure is divided into: double-sided tape, single-sided tape, three-in-one tape, double-film tape, single-film tape and the like, which can be divided into: the mica tape is one of the auxiliary materials of the wire and the cable, the high-performance mica insulation product has excellent high-temperature resistance and combustion resistance, and the mica tape has good flexibility in a normal state, so that the mica tape is suitable for main fire-resistant insulation layers in various fire-resistant wires and cables.

However, the conventional mica tapes have the following problems:

1. the existing mica tape has poor fire resistance and flame retardant effect, poor insulativity, unsafe use, short service life and poor quality;

2. the existing mica tape has no waterproof effect, only relies on the insulating waterproof rubber skin outside the cable to provide waterproof protection, has poor waterproof effect, and even can cause the electric shock of surrounding personnel to seriously threaten the life safety of people once the cable is in water and easily causes the short circuit of a line.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fire-resistant fire-retardant mica tape has solved that current technique is fire-resistant, fire-retardant and insulating effect is poor, does not possess water-proof effects, problem that wire and cable life is short.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire-resistant fire-retardant mica tape, includes the mica tape body, the mica tape body includes mica layer, first tie coat, second tie coat, outer flame retardant coating, interior flame retardant coating, outer insulating layer and internal insulation layer, the upper end on mica layer is provided with outer flame retardant coating, the lower extreme on mica layer is provided with interior flame retardant coating, be provided with first tie coat between outer flame retardant coating and the mica layer, be provided with the second tie coat between interior flame retardant coating and the mica layer, outer flame retardant coating is through the fixed bonding of the up end on first tie coat and mica layer, interior flame retardant coating is through the fixed bonding in bottom surface on second tie coat and mica layer, the up end on outer flame retardant coating is provided with the outer insulating layer, the bottom surface on interior flame retardant coating is provided with the internal insulation layer.

As an optimal technical scheme of the utility model, the mica layer includes outer thin layer, mica paper layer and interior thin layer, outer thin layer and interior thin layer set up respectively at mica paper layer's up end and terminal surface down.

As an optimized technical scheme of the utility model, outer thin layer and interior thin layer are high density polyethylene thin layer to the thickness of outer thin layer and interior thin layer is all between 0.08-0.12 mm.

As an optimized technical scheme of the utility model, outer flame retardant coating and interior flame retardant coating are fire-retardant glass fiber belt layer, and the thickness on outer flame retardant coating and interior flame retardant coating all is between 3.5mm-3.8 mm.

As an optimized technical scheme of the utility model, outer insulating layer and inner insulating layer are the organosilicon rubber layer.

As an optimized technical scheme of the utility model, first tie coat and second tie coat are the organic silicon resin glue film.

(III) advantageous effects

Compared with the prior art, the utility model provides a fire-resistant fire-retardant mica tape possesses following beneficial effect:

1. the fire-resistant flame-retardant mica tape is characterized in that an outer flame-retardant layer and an inner flame-retardant layer are respectively arranged at the outer end and the inner end of a mica layer, the outer flame-retardant layer and the inner flame-retardant layer are both flame-retardant glass fiber tape layers, the thickness of the fire-retardant glass fiber tape layers is 3.5mm-3.8mm, the flame-retardant glass fiber tape adopts high-temperature-resistant high-strength glass fibers, the fire-resistant flame-retardant mica tape has the characteristics of high temperature resistance, fire resistance, flame retardance, corrosion resistance, aging resistance and the like, the fire resistance and the flame retardance of the mica tape can be effectively improved, the outer insulating layer and the inner insulating layer are both organic silicon rubber layers, the organic silicon rubber layers have good electrical insulation performance, the outermost parts of the mica layers can be provided, the insulativity of the whole wire and cable is improved while.

2. This fire-resistant fire-retardant mica tape, through setting up outer thin layer and interior thin layer to outer thin layer and interior thin layer are high density polyethylene thin layer, and polyethylene film is the plastic coiled material who comprises HDPE resin, does not absorb moisture and have good waterproof vapour nature, and chemical stability is good, can effectively protect mica paper layer not receive external water erosion, improves the holistic waterproof performance of mica tape, has also improved the waterproof performance who is provided with this mica electrified wire and cable simultaneously greatly.

Drawings

FIG. 1 is an overall view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural diagram of the mica layer of the present invention.

In the figure: 1. a mica tape body; 2. a mica layer; 3. a first adhesive layer; 4. a second adhesive layer; 5. an outer flame retardant layer; 6. an inner flame retardant layer; 7. an outer insulating layer; 8. an inner insulating layer; 9. an outer film layer; 10. a mica paper layer; 11. an inner film layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a fire-resistant fire-retardant mica tape, including mica tape body 1, mica tape body 1 includes mica layer 2, first tie coat 3, second tie coat 4, outer fire-retardant layer 5, interior fire-retardant layer 6, outer insulating layer 7 and inner insulating layer 8, the upper end of mica layer 2 is provided with outer fire-retardant layer 5, the lower extreme of mica layer 2 is provided with interior fire-retardant layer 6, be provided with first tie coat 3 between outer fire-retardant layer 5 and the mica layer 2, be provided with second tie coat 4 between interior fire-retardant layer 6 and the mica layer 2, outer fire-retardant layer 5 is through the fixed bonding of the up end of first tie coat 3 with mica layer 2, interior fire-retardant layer 6 is through the fixed bonding in bottom surface of second tie coat 4 with mica layer 2, the up end of outer fire-retardant layer 5 is provided with outer insulating layer 7, the bottom surface of fire-retardant layer 6 is provided with inner insulating.

In the embodiment, the film layer, the flame retardant layer and the insulating layer are sequentially arranged on the outer side of the mica paper layer 10, so that the mica tape body 1 has certain waterproof and flame retardant properties while the fireproof and flame retardant properties of the mica tape body 1 are improved, and the service life of the mica tape body 1 is prolonged.

Specifically, the mica layer 2 includes an outer thin film layer 9, a mica paper layer 10 and an inner thin film layer 11, and the outer thin film layer 9 and the inner thin film layer 11 are respectively disposed on the upper end face and the lower end face of the mica paper layer 10.

In this embodiment, the inner thin film layer 9 and the outer thin film layer 11 are respectively disposed at the inner end and the outer end of the mica paper layer 10, so that the overall waterproof performance of the mica tape body 1 can be effectively improved, and the waterproof performance of the wire and cable can be improved when the mica tape is applied to the wire and cable, so that the mica tape body 1 not only has the effects of fire resistance and flame retardance, but also has a certain waterproof effect.

Specifically, the outer film layer 9 and the inner film layer 11 are both high density polyethylene film layers, and the thickness of the outer film layer 9 and the thickness of the inner film layer 11 are both 0.08-0.12 mm.

In this embodiment, adopt high density polyethylene film, compare with adopting other material plastic film, polyethylene film is the plastic coiled material that comprises HDPE resin, when possessing better waterproof nature, its chemical property is more stable, is difficult for reacting with other chemical material in the wire and cable, and corrosion-resistant higher stability in use is better.

Specifically, the outer flame-retardant layer 5 and the inner flame-retardant layer 6 are both flame-retardant glass fiber tape layers, and the thicknesses of the outer flame-retardant layer 5 and the inner flame-retardant layer 6 are both 3.5mm-3.8 mm.

In the embodiment, the flame-retardant glass fiber belt is used as the flame-retardant layer, has the characteristics of high temperature resistance, fire resistance, flame retardance, corrosion resistance, aging resistance and the like, and not only has better fire resistance and flame retardance, but also has longer service life.

Specifically, the outer insulating layer 7 and the inner insulating layer 8 are both silicone rubber layers.

In the embodiment, the organic silicon rubber is used as the material of the insulating layer, and the organic silicon rubber has good electrical insulating property, is difficult to age and has higher durability compared with common rubber.

Specifically, the first bonding layer 3 and the second bonding layer 4 are both organic silicon resin adhesive layers.

In the embodiment, the organic silicon resin adhesive is adopted, so that the viscosity is higher, the rainwater is not easy to separate, and the adhesion is higher than that of common glue.

The utility model discloses a theory of operation and use flow: outer flame retardant coating 5 and interior flame retardant coating 6 set up respectively in the outer end and the inner of mica layer 2, can effectively improve the fire-resistant of mica tape body 1, flame retardant property, outer insulating layer 7 and inner insulating layer 8 are mica tape body 1 outside protective layer, can show the electrical insulation who improves mica tape body 1, outer thin layer 9 and interior thin layer 11 set up the interior outer end at mica tape body 1's the most inboard mica paper layer 10, can be when outer insulating layer 7 or inner insulating layer 8 damage, carry out water proof to mica paper layer 10, improve mica tape body 1's water-proof effects, effectively protect mica paper layer 10 not corroded by external water.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fire-resistant fire-retardant mica tape, includes mica tape body (1), its characterized in that: the mica tape body (1) comprises a mica layer (2), a first bonding layer (3), a second bonding layer (4), an outer flame-retardant layer (5), an inner flame-retardant layer (6), an outer insulating layer (7) and an inner insulating layer (8), wherein the outer flame-retardant layer (5) is arranged at the upper end of the mica layer (2), the inner flame-retardant layer (6) is arranged at the lower end of the mica layer (2), the first bonding layer (3) is arranged between the outer flame-retardant layer (5) and the mica layer (2), the second bonding layer (4) is arranged between the inner flame-retardant layer (6) and the mica layer (2), the outer flame-retardant layer (5) is fixedly bonded with the upper end face of the mica layer (2) through the first bonding layer (3), the inner flame-retardant layer (6) is fixedly bonded with the bottom face of the mica layer (2) through the second bonding layer (4), the outer insulating layer (7) is arranged on the upper end face of the outer flame-, and an inner insulating layer (8) is arranged on the bottom surface of the inner flame-retardant layer (6).

2. The fire-resistant and flame-retardant mica tape according to claim 1, wherein: the mica layer (2) comprises an outer thin film layer (9), a mica paper layer (10) and an inner thin film layer (11), wherein the outer thin film layer (9) and the inner thin film layer (11) are respectively arranged on the upper end face and the lower end face of the mica paper layer (10).

3. The fire-resistant and flame-retardant mica tape according to claim 2, wherein: the outer film layer (9) and the inner film layer (11) are both high-density polyethylene film layers, and the thickness of the outer film layer (9) and the thickness of the inner film layer (11) are both 0.08-0.12 mm.

4. The fire-resistant and flame-retardant mica tape according to claim 1, wherein: the outer flame-retardant layer (5) and the inner flame-retardant layer (6) are both flame-retardant glass fiber tape layers, and the thicknesses of the outer flame-retardant layer (5) and the inner flame-retardant layer (6) are both 3.5mm-3.8 mm.

5. The fire-resistant and flame-retardant mica tape according to claim 1, wherein: the outer insulating layer (7) and the inner insulating layer (8) are both organic silicon rubber layers.

6. The fire-resistant and flame-retardant mica tape according to claim 1, wherein: the first bonding layer (3) and the second bonding layer (4) are both organic silicon resin adhesive layers.