CN210561400U

CN210561400U - Anti-recognition high-flame-retardant fire-resistant wrapping tape

Info

Publication number: CN210561400U
Application number: CN201920527792.6U
Authority: CN
Inventors: 张云; 付前刚; 史小红; 张雨雷; 王彪; 强新发; 任宣儒; 周敏玉; 张云芳; 毕乃梅; 徐鹭鹭
Original assignee: Yangzhou Tengfei Electric Cable And Appliance Materials Co ltd
Current assignee: Yangzhou Tengfei Electric Cable And Appliance Materials Co ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-05-19
Anticipated expiration: 2029-04-17

Abstract

The utility model belongs to the technical field of fire-resistant band, concretely relates to prevent discerning high fire-retardant fire-resistant band. The anti-counterfeiting fiber composite material comprises a functional composite fiber layer, wherein the upper surface and the lower surface of the functional composite fiber layer are coated with flame-retardant and fire-resistant coatings, an anti-oxidation coating is arranged between the functional composite fiber layer and the flame-retardant and fire-resistant coatings, and an anti-counterfeiting layer is arranged on the surface of the flame-retardant and fire-resistant coating on one side of the functional composite fiber layer. The utility model discloses a high-speed nanometer grinds machine utilizes sand and soil will have cable specification, model and date of production's the stealthy spraying of pattern layer to fire-resistant fire-retardant coating surface to there is the wax emulsion protective layer in sand and soil protective layer surface coating, make the utility model discloses in the use, oxygen index > 60%, fire resistance are 950 ℃/4h, under the high temperature combustion condition, self does not receive destruction, under high temperature environment, the wax emulsion protective layer volatilizees naturally, and stealthy pattern layer can automatic display, is convenient for more cognize the cable variety and pursue former producer.

Description

Anti-recognition high-flame-retardant fire-resistant wrapping tape

Technical Field

The utility model belongs to the technical field of fire-resistant band, concretely relates to prevent discernment high fire-retardant fire-resistant band mainly is applied to cable manufacturing fields such as fire prevention flame retarded cable especially nuclear power, high-speed railway locomotive, aerospace, new forms of energy.

Background

The flame-retardant fire-resistant wrapping tape can keep the insulativity of the cable under the direct combustion of flame and is used for manufacturing a fire-resistant insulating layer of a fire-resistant wire cable.

At present, the performance of the same kind of products in the field is different, and other manufacturers abroad do not have a halogen-free high-flame-retardant fireproof tape multi-performance cable core tape material, such as single flame-retardant and fireproof cable core tape of U.S. DuPont and Nippon Dongli company, although the performance is excellent, the cable core tape material does not have multiple performances of flame retardance, fire resistance, ageing resistance and the like at the same time, and the cable core tape material is difficult to meet the long-life requirement of cables such as nuclear power cables, high-speed rails and the like running in the world.

The authorization notice number is: CN 202258490U's utility model, it discloses a novel fire-resistant band of environmental protection high strength, comprises glass fiber cloth (1), soft pottery flame retardant coating (2), novel environmental protection film (3), and this novel fire-resistant glass cloth band of environmental protection of its characterized in that skin sets up novel environmental protection film (3), covers one deck soft pottery flame retardant coating (2) in novel environmental protection film (3), and soft pottery flame retardant coating (2) inside parcel one deck glass fiber cloth (1). The cable wrapped by the utility model has the advantages of tough structure, smoothness, roundness, durability and low cost. Integrates the characteristics of high efficiency, environmental protection, flame retardation, heat insulation and the like, and is an ideal binding belt for manufacturing wires and cables. However, after the cable is burnt, the specification, the model, the manufacturer and the production date of the surface of the insulating layer in the outer sheath layer of the cable disappear, so that the cable cannot be identified, and the variety of the cable cannot be judged and the original manufacturer cannot be followed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming prior art's is not enough, provides one kind and prevents discerning high fire-retardant fire-resistant band, and its oxygen index > 60%, fire resistance is 950 ℃/4h, under the high temperature combustion condition, self does not receive destruction, and the surface can demonstrate pattern such as date of production, producer, cable model specification automatically under high temperature, be convenient for more quickly discern the cable variety and pursue former producer.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a high fire-retardant fire-resistant band of anti-identification, includes function composite fiber layer, the upper surface and the lower surface coating on function composite fiber layer have fire-retardant fire-resistant coating, be provided with anti-oxidant coating between function composite fiber layer and the fire-retardant fire-resistant coating, be located the surface of the fire-retardant fire-resistant coating of one side on function composite fiber layer is provided with anti-fake layer.

Further, the anti-counterfeiting layer comprises a pattern layer and a wax emulsion protective layer, and the wax emulsion protective layer is coated on the surface of the pattern layer.

Furthermore, a sand protection layer is arranged between the pattern layer and the wax emulsion protection layer.

Furthermore, the oxidation resistant coating is formed by mixing Si-Mo-Cr, ethyl ester and a cross-linking agent formaldehyde.

Furthermore, the flame-retardant and fire-resistant coating is formed by mixing nanobelt toughened ceramic powder, silica gel, an antimony flame retardant, a BPO curing agent, an MF formaldehyde condensate dispersant and ethyl ester.

The utility model has the advantages that: the utility model discloses a high-speed nanometer grinds machine utilizes sand and soil will have cable specification, model and date of production's the stealthy spraying of pattern layer to fire-resistant fire-retardant coating surface to there is the wax emulsion protective layer in sand and soil protective layer surface coating, make the utility model discloses in the use, oxygen index > 60%, fire resistance are 950 ℃/4h, under the high temperature combustion condition, self does not receive destruction, under high temperature environment, the wax emulsion protective layer volatilizees naturally, and stealthy pattern layer can automatic display, is convenient for more cognize the cable variety and pursue former producer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an identification-preventing high-flame-retardant fire-resistant wrapping tape according to an embodiment of the present invention;

reference numerals:

1-a functional composite fiber layer; 2-flame retardant and fire resistant coating; 3-an anti-oxidation coating; 4-an anti-counterfeiting layer; 41-a pattern layer; 42- -protective layer of wax emulsion; 43-sand protection layer.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 1, the utility model provides a high fire-retardant fire-resistant band of anti-identification, including function composite fiber layer 1, the upper surface and the lower surface coating of function composite fiber layer 1 have fire-retardant fire-resistant coating 2, be provided with anti-oxidation coating 3 between function composite fiber layer 1 and the fire-retardant fire-resistant coating 2, be located the surface of the fire-retardant fire-resistant coating of one side of function composite fiber layer 1 is provided with anti-fake layer 4.

Further, the anti-counterfeiting layer 4 comprises a pattern layer 41 and a wax emulsion protective layer 42, and the wax emulsion protective layer 42 is coated on the surface of the pattern layer 41.

Further, a sand protection layer 43 is disposed between the pattern layer 41 and the wax emulsion protection layer 42.

Further, the oxidation resistant coating 3 is formed by mixing Si-Mo-Cr, ethyl ester and a cross-linking agent formaldehyde.

Further, the flame-retardant and fire-resistant coating 2 is formed by mixing nanobelt toughened ceramic powder, silica gel, an antimony flame retardant, a BPO curing agent, an MF formaldehyde condensate dispersant and ethyl ester.

The specific manufacturing method comprises the following steps:

1. firstly, the warp yarn (polyester yarn 50-150dtex) and weft yarn (medium-alkali or alkali-free glass fiber yarn 45 double-ply or 21-33 single-ply yarn) for weaving are treated by fiber interface anchoring technology and TiO is selected₂The inorganic nano particles organically modify the surface of the material, the tensile strength is more than or equal to 200N/2.5cm, and the surface powder removal rate is less than 0.5 percent after the material is subjected to high-frequency oscillation for 10 minutes for 180 times/minute;

2. the weaving and cloth making process comprises the following steps:

selecting the anchored polyester fiber as the warp (50-150dtex)The density is 30-40 pieces/cm, the weft yarn is anchored glass fiber yarn with the density of 10-16 pieces/cm, a high-speed water-jet loom is adopted to prepare 1.5-2.1 m wide cloth (namely the functional composite fiber layer 1), and the gram weight of the cloth is 80-120g/m²；

3. The piece cloth is subjected to Si-Mo-Cr anti-oxidation coating process technology, the compactness of a mechanical interlocking structure of a fiber interface is improved, the problem of mismatch of thermal expansion coefficients of a coating substance and a matrix and the cracking and falling tendency of the coating are further solved, the anti-oxidation weight loss rate is less than or equal to 5 percent, specifically, two sides of the piece cloth are immersed in an anti-oxidation substance Si-Mo-Cr liquid, wherein the Si-Mo-Cr liquid comprises the following concentration components:

Si-Mo-Cr 15％；

80% of ethyl ester;

5% of cross-linking agent formaldehyde;

4. and (2) performing a surface foaming spraying coating technology on the piece of cloth with the processed surface anti-oxidation layer by using a foaming spraying technology to form a flame-retardant and fire-resistant coating, wherein the weight percentage of each substance is as follows:

the flame-retardant refractory coating prepared by the technology of originally creating the toughened ceramic coating is characterized in that the preparation of powder particles with the toughened ceramic coating and the gel polymerization process are optimized, so that the content of the ceramic coating powder in the flame-retardant refractory coating is more than or equal to 30 percent, the particle size is 400-800 meshes, the elongation at break change rate is less than or equal to 50 percent, and the surface is not cracked at 950 ℃ for 4 hours. By applying an intelligent foaming process, the particle size of bubbles is less than or equal to 0.15mm, and the dispersion uniformity is more than or equal to 92 percent; optimizing the process of vacuum drying equipment, wherein the solid content of the surface of the coated precursor is 300g/m2, the error is +/-5 g/m2, the surface thickness of the cured precursor reaches 1.5-1.8mm, and the energy conservation and consumption reduction reaches more than 30%;

5. and (3) vacuum drying: the purposes of high-efficiency and quick drying, energy saving and consumption reduction (the energy saving and consumption reduction reaches more than 50%) are achieved by adopting the technical principle of high-temperature vacuum drying;

6. the method is characterized in that sand soil (environmental protection, ②, high temperature resistance of ③ above 5000 ℃, red, black and yellow color without deformation, simple process, mainly dilution with water) is used for carrying out invisible spraying on patterns containing the specification, the model and the production date of the cable on the surface of the flame-retardant and fire-resistant coating by using a anilox roller concave point gluing process technology;

7. the method comprises the steps of preparing water-based color paste (sand does not fade or melt at 5000 ℃ under high temperature) by using sandy soil and a high-speed nano grinder, spraying the water-based color paste to the surface of the piece of cloth by using an anilox roller concave point gluing process, spraying a layer of milky opaque flame-retardant wax emulsion on the surface of a printed pattern layer until the pattern is opaque under visual observation in order to prevent the pattern from powder falling and pattern deformation under the condition of high-speed twisting deformation of a high-speed wrapping strip, and thus playing a role in surface protection and coverage.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a high fire-retardant fire-resistant band of anti-identification, includes functional composite fiber layer, the upper surface and the lower surface coating on functional composite fiber layer have fire-retardant fire-resistant coating, its characterized in that: an anti-oxidation coating is arranged between the functional composite fiber layer and the flame-retardant and fire-resistant coating, and an anti-counterfeiting layer is arranged on the surface of the flame-retardant and fire-resistant coating on one side of the functional composite fiber layer.

2. The identification-preventing high-flame-retardant fire-resistant wrapping tape of claim 1, wherein: the anti-counterfeiting layer comprises a pattern layer and a wax emulsion protective layer, and the wax emulsion protective layer is coated on the surface of the pattern layer.

3. The identification-preventing high-flame-retardant fire-resistant wrapping tape of claim 2, wherein: and a sand protection layer is arranged between the pattern layer and the wax emulsion protection layer.