TWM613449U - Anti-rat and anti-ant, fire-resistant and firepoof cable - Google Patents

Abstract

An anti-rat and anti-ant, fire-resistant and fireproof cable is provided. The anti-rat and anti-ant, fire-resistant and fireproof cable includes at least one core cable and a cover layer covering the at least one core cable. The core cable includes a conductor, a fire protection tape and/or an insulation layer in order from the inside to the outside. The anti-rat and anti-ant, fire-resistant and fireproof cable of the present disclosure greatly improves the flame resistance effect of the coating layer, as well as the flame resistance effect of the anti-rat and anti-ant, fire-resistant and fireproof cable.

Description

Anti-rodent and ant flame-resistant fireproof cable

This creation relates to a rodent-proof, flame-resistant and fire-resistant cable, in particular to a rodent-proof, flame-resistant and fire-resistant cable comprising modified zirconium phosphate.

The existing power cables mainly include a cable core and a coating layer covering the cable core. The coating layer is generally formed of plastic, rubber or thermoplastic elastomer, which is difficult to resist the bite of rodents (such as mice) and termites. For power cables set outdoors (such as buried in the ground), the coating layer is more likely to be damaged by rodents and termites. Once the coating layer is damaged, the inner cable core will be exposed directly; in this way, it is easy A short-circuit accident occurs, resulting in a sudden power outage, which may cause major safety accidents and economic losses in severe cases.

The fire resistance of the cable is directly related to whether the fire-fighting electrical equipment can start and work normally in a fire. At present, the fire-resistant cables widely used at home and abroad mainly include magnesium oxide mineral insulated cables and mica tape-wrapped fire-resistant cables. Therefore, the development of fire-resistant and fire-resistant formulas and cables with excellent fire resistance and processing performance has become a necessary development trend for fire protection technology and people's livelihood.

The technical problem to be solved by this creation is to provide a rodent-proof, flame-retardant and fire-resistant cable for the shortcomings of the prior art.

In order to solve the above-mentioned technical problems, one of the technical solutions adopted in this creation is to provide a rodent-proof, ant-proof, flame-retardant and fire-proof cable, which includes: at least one cable core and a coating layer covering at least one of the cable cores, and at least one The cable core includes a conductor, at least one fire barrier and/or an insulating layer.

One of the beneficial effects of this creation is that the winding type solid electrolytic capacitor packaging structure and manufacturing method provided by this creation can pass through "at least one cable core, which includes a conductor and at least The technical solutions of "a fire barrier and/or an insulating layer" and "a coating layer covering at least one of the cable cores" greatly improve the flame resistance effect of the coating layer.

In order to further understand the features and technical content of this creation, please refer to the following detailed descriptions and drawings about this creation. However, the drawings provided are only for reference and explanation, and are not used to limit this creation.

The following is a specific example to illustrate the implementation of the "rodent-proof and ant-resistant flame-retardant cable" disclosed in this creation. Those skilled in the art can understand the advantages and effects of this creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of this creation. In addition, the drawings of this creation are merely schematic illustrations, and are not depicted in actual size, and are stated in advance. The following implementations will further describe the related technical content of this creation in detail, but the disclosed content is not intended to limit the scope of protection of this creation. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

Referring to FIG. 1 and in conjunction with FIG. 2, the rodent-proof, ant-proof, flame-retardant and fireproof cable Z according to the first embodiment of the invention includes at least one cable core 1 for transmitting electrical signals and a coating layer 2 covering the cable core 1. As shown in FIG. 1, the cable core 1 includes a conductor 11 and an insulating layer/fireproof tape 12 covering the conductor 11. Preferably, the thickness of the insulating layer 12 is 1 to 5 mm, more preferably 2 to 4 mm.

As shown in Figure 2, according to different uses, the number of cable cores 1 can also be multiple (such as three or more); when the number of cable cores 1 is multiple, between the cable core 1 and the coating layer 2 It may further include filling the gap with air, or may include filler 3 (such as various forms of polyethylene, polypropylene, and polyvinyl chloride recycled materials) to maintain the structural integrity of the cable. In addition, if necessary, the conductor 11 can also be covered with a fireproof tape 13 (see FIG. 5).

The conductor 11 can be a plurality of wires with the same or different wire diameters (such as copper wires, composite alloys or modified wires) formed by concentric stranding or bundle stranding. The diameter and number of wires are not particularly limited. The specification of the cable is selected.

The main material of the insulating layer 12 includes an insulating polymer main material of polyolefin resin and/or silicone resin, and further includes a ceramizing agent, a fluxing agent, a flame retardant, a multifunctional auxiliary agent, and a crosslinking agent. Preferably, the material of the insulating layer 12 includes 80 to 125 parts by weight of insulating polymer host material, 80 to 185 parts by weight of ceramizing agent, 10 to 45 parts by weight of flux, and 10 to 50 parts by weight of flame retardant. , 50 to 80 parts by weight of multifunctional adjuvant and 0 to 15 parts by weight of crosslinking agent. The insulating layer 12 may be formed by extrusion molding using the aforementioned materials. However, these details are only to describe the feasible implementation of the cable core 1 and are not used to limit the present creation.

In more detail, the ceramizing agent includes magnesium oxide and nanometer mica powder; the flux includes ultrafine zinc borate, activated glass powder and/or silicone oil; the flame retardant includes: ultrafine zinc borate and/or ammonium polyphosphate; Multifunctional auxiliary agents include strong magnesium powder, zinc oxide and/or titanium dioxide; cross-linking agents include silane cross-linking agents and/or peroxides; cross-linking agents are mainly silane cross-linking agents. In addition, the insulating layer 12 may also include modified zirconium phosphate.

In detail, the insulating polymer main material of the insulating layer 12 can use a mixture of polyolefin resin and/or silicone resin material, which can be 80 to 125 parts by weight of polyolefin resin and 0 to 25 parts by weight of silicone resin. Or 80 to 100 parts by weight of silicone resin material with 0 to 25 parts by weight of polyolefin resin. Silicone resin material has Si-N-Si bond or Si-O-Si bond in the molecular structure, providing better water and gas resistance, high temperature resistance, chemical corrosion resistance, abrasion resistance and weather resistance, and can improve the cable's outdoor environment The endurance of the cable is to improve the adaptability of the cable to the outdoor environment.

Furthermore, silicone resin materials have advantages in terms of electrical insulation, ceramization rate, and ceramic strength, but due to their high cost, the application range and dosage are not large. The cost of polyolefin is low, and the application range is large. The use of a suitable silane coupling agent can have good compatibility with silicone resin materials. Using polyolefin or with silicone resin materials can supplement the cost, performance and cost. The gap in balance.

The coating layer 2 includes a coated polymer main material, a flame-retardant filler, a modified zirconium phosphate flame retardant, a pest repellent, and a multifunctional auxiliary agent. Preferably, the coating layer 2 includes 100 parts by weight of the coated polymer host material, 10 to 20 parts by weight of flame retardant filler, 5 to 10 parts by weight of modified zirconium phosphate flame retardant, 0.5 to 6 parts by weight of Pest repellent and 5 to 10 parts by weight of multifunctional adjuvant.

Specifically, the coating polymer main material of the coating layer 2 is polyolefin resin, low-smoke-free-halogen (LSFH) or thermoplastic elastomer or polyvinyl chloride (PVC), for example, Polyolefin resins such as: polyethylene (PE), ethylene vinyl acetate copolymer (EVA), EPDM (EPDM), polyvinyl acetate (PVAc), polyethylene (PE) is further subdivided into linear low-density poly Ethylene (LLDPE), low density polyethylene (LDPE), high density polyethylene (HDPE), medium density polyethylene (MDPE), preferably low density polyethylene or medium density polyethylene.

In more detail, the flame retardant of the coating layer 2 includes a modified zirconium phosphate, and further includes alpha zirconium phosphate, zinc borate, and ammonium polyphosphate as required.

Referring to Figures 3A to 3B, the modified zirconium phosphate of this creation can be modified by organic or inorganic materials. As shown in Figure 3A, the zirconium phosphate used in this creation has a layered structure, which includes at least the first layered molecule The structure 501 and the second layered molecular structure 502, as appropriate, further include a multilayered molecular structure, such as the third layered molecular structure 503, as shown in FIG. 3B, the modified material 600 is intercalated in the first layered molecular structure 501 And between the second layer of zirconium phosphate 502, and between the second layered molecular structure 502 and the third layered molecular structure 503, the network crosslinking of the structure is increased by intercalation modification, which improves the structural stability and provides Better flame retardant effect and can produce synergistic effect with other flame retardants.

Furthermore, the modifying material 600 may be an organic material or an inorganic material, for example, it may be N,N-dimethylacetamide, polyhexamethylene biguanide, dodecyldimethylbenzyl Ammonium chloride, hexachlorocyclotriphosphazene (HCCTP), hexaphenoxycyclotriphosphazene (HTCTP), dicyandiamide (DICY) or other cationic surfactants, such as Cetyltrimethylammonium bromide (hexadecyl trimethyl ammonium bromide, cetyltrimethylammonium bromide, CTAB). Depending on requirements, the layered zirconium phosphate can be α-type zirconium phosphate (α-ZrP) or methylamine-zirconium phosphate precursor modified by methylamine. After modification, the layered structure of α-ZrP can better play the role of heat insulation and smoke suppression, and promote the generation of carbon while increasing the thermal stability of the carbon layer, providing better flame retardancy and smoke suppression.

In more detail, generally, the unmodified zirconium phosphate has poor compatibility with the polymer host material and cannot be uniformly dispersed, resulting in the overall flame resistance effect cannot be expected. By using amines and alkanes for intercalation modification, the compatibility of zirconium phosphate and the polymer host material can be improved, the zirconium phosphate sheet material can be uniformly dispersed in the polymer host material and the physical strength can be improved. The creation uses zirconium phosphate modified by intercalation of organic and inorganic materials to greatly improve compatibility and take into account both flame resistance and physical strength.

In addition, the decomposition temperature of zirconium phosphate is higher than 345℃, which is higher than that of natural antibacterial agents. It has better thermal stability, is suitable for high temperature processing, and has good environmental resistance. It is suitable for most high and low temperatures, and high humidity is easy to mold. The environment is not resistant to drugs, and the effect is longer. It can greatly slow down the erosion of bacteria and mold coating2.

In a specific embodiment of this creation, dodecyl dimethyl benzyl ammonium chloride is used as the modified material, intercalated between the layer structure of α zirconium phosphate, this modified zirconium phosphate shows long-term effect Antibacterial performance. The minimum inhibitory concentrations against Escherichia coli and Staphylococcus aureus are 800 mg/L and 100 mg/L respectively, and the minimum bactericidal concentrations are 1000 mg/L and 150 mg/L respectively, showing good antibacterial activity. The thermal decomposition temperature of the quality zirconium phosphate is greater than 345°C, and it has excellent thermal stability. However, this creation is not limited to the above-mentioned examples.

In another specific embodiment of this creation, methylamine is used to spread the distance between the zirconium phosphate layers to obtain a precursor of methylamine-zirconium phosphate, and then quaternary phosphonium salt is used as the modifying material to intercalate the layer between methylamine-zirconium phosphate The modified zirconium phosphate shows excellent antibacterial and flame retardant effects, and has stable performance and long-lasting effect. However, this creation is not limited to the above-mentioned examples.

In addition, the modified zirconium phosphate not only provides the aforementioned effects, but the modified zirconium phosphate and ammonium polyphosphate in the flame retardant composition can also improve the carbonization quality and quantity of the polymer host material, and make the material density It is more compact and dense, and the flame retardant effect of the covering layer 2 is improved.

On the other hand, flame-retardant fillers are mainly magnesium hydroxide (MTH) and aluminum hydroxide (ATH). The zinc borate in the flame retardant is ultra-fine zinc borate, such as ultra-fine zinc borate with a particle size of 0.5 to 1.5 μm. There is also a synergistic effect between the ultra-fine zinc borate and aluminum hydroxide as a flame-retardant filler.

Multifunctional adjuvants include alpha zirconium phosphate, organically modified zirconium phosphate, magnesium powder (talc), zinc oxide, and titanium dioxide (titanium dioxide). Zirconium phosphate, magnesium strong powder and ultrafine zinc borate all have good thermal stability, and can provide synergistic effect when the composition is used to strengthen the Young's modulus and thermal stability of the polymer host material. , Effectively enhance the flame retardant effect, make the degree of ceramicization higher, and can replace most of the antioxidant functions, so there is no need to add additional antioxidants.

Furthermore, the pest repellent mainly contains a spicy component and a bitter component. Spicy and bitter components can stimulate the senses, such as bioreceptor receptors, nerve conduction system, etc. The pungent ingredient may be a natural ingredient, such as capsaicin and its analogs, and is preferably capsaicin; examples of the capsaicin analogs include dihydrocapsaicin, nordihydrocapsaicin, homodihydrocapsaicin, and capsaicin Vegetarian. The spicy ingredient can also be obtained by artificial synthesis, and is preferably N-vanillylnonanamide (N-vanillylnonanamide, Nonivamide).

In addition, the bitter component may be denatonium benzoate. From the perspective of use effect and long-term effectiveness, the spicy ingredient may contain 10 wt% to 30 wt% of capsaicin and dihydrocapsaicin, preferably dihydrocapsaicin, and 70 wt% to 90 wt% N-Nanoic acid vanillamide. However, this creation is not limited to the above-mentioned examples. It is worth noting that, compared with dihydrocapsaicin, capsaicin contains double bonds in its molecular structure, which is easier to decompose by light.

In this embodiment, based on the total weight of the pest repellent being 100 wt%, the content of the spicy ingredient may be 10 wt% to 20 wt%, such as 11 wt%, 12 wt%, 13 wt%, 14 wt%, 15 wt%, 16 wt%, 17 wt%, 18 wt% or 19 wt%; the content of bitter components can be 10 wt% to 50 wt%, such as 15 wt%, 20 wt%, 25 wt%, 30 wt%, 35 wt%, 40 wt% or 45 wt%. When capsaicin is used as a spicy ingredient, capsaicin can be present in the coating layer 2 in the form of microcapsules, that is, the coating layer 2 has multiple capsaicin microcapsules (not shown) uniformly distributed; as the material of the microcapsules Examples include polyvinyl chloride, polyolefins such as polyethylene, and ethylene-co-vinyl acetate (EVA). Thereby, it is possible to prevent capsaicin from migrating to the surface of the coating layer 2 to precipitate, and being entrained by moisture out of the coating layer 2 to ensure the use effect of capsaicin.

It is worth noting that the repellent effects of pest repellents on pests include at least: 1. Capsaicin emits a pungent odor, which prevents mice and other harmful organisms (such as termites) from approaching cables; 2. When mice and others When rodents bite cables, capsaicin can give them a burning sensation and tingling sensation, which makes them feel uncomfortable and hate to bite the cables; 3. When rats and other rodents bite cables, they will feel benzyl The strong bitterness brought by denatonium makes it uncomfortable to bite the cable. In addition, when spicy ingredients and bitter ingredients are used in combination, it can still play an effective preventive effect on some rodents with congenital perception obstacles, such as the inability to perceive bitter taste. In addition, in the presence of bitter ingredients, the amount of spicy ingredients can be reduced, so the pest repellent is not irritating to humans.

In some embodiments, the pest repellent may contain an insect repellent component. When the cable is eroded by termites, it will come into contact with the insect repellent component and be poisoned to death; based on the total weight of the pest repellent being 100 wt%, The content of the insect repellent may be 0.5 wt% to 5 wt%, and preferably 1 wt% to 3 wt%. Examples of insect control components of pest repellents include: Pyrethrum or Pyrethrin, Permethrin, Allethrin, Tetramethrin, and Dimethrin. Deltamethrin, Cymerthrin and Fenvalerate. However, this creation is not limited to the above-mentioned examples.

In some embodiments, the pest repellent may contain a cooling sensation component to enhance the use effect of capsaicin, that is, the cooling effect produced by the cooling sensation component has an additive effect on the burning sensation caused by capsaicin. Based on the total weight of the pest repellent being 100 wt%, the content of the cooling sensation component may be 0.5 wt% to 5 wt%, and preferably 1 wt% to 3 wt%. The cooling component may be menthol or its derivatives. Examples of menthol derivatives include: menthyl lactate, menthone-glycerol ketal, and monomethyl succinate (monomethyl succinate). ) And p-menthane-3,8-diol (p-menthane-3,8-diol). However, this creation is not limited to the above-mentioned examples.

Refer to Figure 4, and in conjunction with Figure 5, this creation also provides a method for manufacturing a rodent-proof, flame-resistant and fire-resistant cable, which includes: S100 provides a conductor 11 (such as copper, alloy copper, graphene-modified copper, aluminum, copper Aluminum alloy, etc.), multiple wires can be combined in a stranded or twisted manner, and a fire-resistant tape 13 (mica tape, fiber composite tape or ceramic tape) can be wound in a longitudinal wrapping manner or wound in concentric circles. The conductor 11 is covered in a wrapping manner; S200 forms an insulating layer 12 to cover the fire-resistant tape 13 to obtain at least one cable core 1; S300 forms a covering layer 2 to cover at least one of the cable cores 1.

In addition, the S300 can also cover multiple cable cores, and fill the gaps between the multiple cable cores with fillers (as shown in FIG. 2).

Specifically, the conductor may be copper, alloyed copper, graphene-modified copper, aluminum, copper-aluminum alloy and other materials. The fireproof tape can be mica tape, fiber composite tape or ceramicized tape. The mica tape can be synthetic mica tape and natural mica tape. The temperature resistance of mica is up to 1300℃, and the temperature resistance of fiber composite tape can reach more than 2000℃. Therefore, the fire can be prevented from invading the inside of the cable core 1 within a period of time. The ceramization belt is a fireproof belt made of polyolefin or silicon rubber mixed with high-efficiency porcelain-forming materials. It can be ceramized at a high temperature of 500°C and sintered into a shell to become an insulator within a certain time.

[Beneficial effects of the embodiment]

One of the beneficial effects of this creation is that the rodent-proof, ant-proof, flame-retardant and fire-resistant cable provided by this creation can pass through "at least one cable core, which includes a conductor, at least one fire-retardant tape and/or The technical solutions of "an insulating layer" and "a coating layer covering at least one of the cable cores" greatly improve the flame resistance effect of the coating layer.

More specifically, the author states that "the modified zirconium phosphate includes modified zirconium phosphate, including a first layered molecular structure, a second layered molecular structure, and an intercalation layer on the first layer. The modified material between the second layered molecular structure and the second layered molecular structure provides excellent thermal stability. Compared with the prior art, generally the unmodified zirconium phosphate itself is close to the layer or not separated from each other. The poor compatibility with the polymer host material and the inability to disperse uniformly will result in poor flame resistance. This creation uses zirconium phosphate modified by intercalation of organic and inorganic materials, which has a larger layer spacing and can create a barrier space. , Which greatly reduces the heat conduction through the material through the space between the layers during combustion, so as to greatly improve the compatibility and flame resistance effect.

In addition, the modified zirconium phosphate can slow down the erosion of bacteria and mold, and has good antibacterial activity.

Furthermore, the modified zirconium phosphate and ammonium polyphosphate in the flame retardant composition can further improve the carbonization quality and quantity of the polymer host material, and enhance the flame retardant effect of the coating layer 2. In the specific composition of this creation , It also provides a synergistic effect, strengthens the Young's modulus of the composition material and the polymer main material, and its thermal stability, effectively improves the flame retardant effect, makes the degree of ceramicization higher, and can replace most of the antioxidant functions , So there is no need to add additional antioxidants.

The content disclosed above is only a preferred and feasible embodiment of this creation, and does not limit the scope of patent application for this creation. Therefore, all equivalent technical changes made using this creation specification and schematic content are included in the application for this creation. Within the scope of the patent.

Z: Anti-rodent and ant flame-resistant fireproof cable 1: Cable core 11: Conductor 12: Insulation layer 13: Fire belt 2: Coating layer 3: filler 501: The first layered molecular structure 502: Second layered molecular structure 503: third layered molecular structure 600: modified material

Figure 1 is a schematic diagram of a structural cross-section of the created anti-rat and ant, flame-resistant and fire-resistant cable.

Figure 2 is a schematic diagram of another structure of the rodent-proof, flame-resistant and fire-resistant cable created.

Figure 3A is a schematic diagram of the layered structure of zirconium phosphate created.

Figure 3B is a schematic diagram of the modified intercalation of the zirconium phosphate layered structure created.

Figure 4 is a flow chart of the method for manufacturing the rodent-proof, flame-resistant and fire-resistant cable created.

Figure 5 is a schematic diagram of another structure of the rodent-proof, flame-resistant and fire-resistant cable created.

Z: Anti-rodent and ant flame-resistant fireproof cable

1: Cable core

11: Conductor

12: Insulation layer/fire tape

2: Coating layer

Claims (7)

A rodent and ant-proof, flame-retardant and fire-proof cable, which includes: At least one cable core, which includes a conductor, at least one fire-retardant tape and/or an insulating layer covering the conductor; and A coating layer, which covers at least one of the cable cores. The rodent, ant, flame-retardant and fire-resistant cable according to claim 1, wherein the conductor is formed by concentric stranding or bundle stranding of a plurality of wires with the same or different wire diameters. The rodent-proof, flame-retardant and fire-resistant cable according to claim 1, wherein at least one of the fire-resistant tapes is a mica tape, a fiber composite tape or a ceramicized tape. The rodent and ant-proof, flame-retardant and fire-resistant cable according to claim 1, wherein at least one of the fire-retardant tapes is wrapped on the conductor in a longitudinal or wrapping manner. The rodent-ant, flame-retardant and fire-resistant cable according to claim 1, wherein the insulating layer is wrapped around at least one of the fire-retardant bands, so that at least one of the fire-retardant bands is arranged between the conductor and the insulating layer . The rodent-ant, flame-resistant and fire-resistant cable according to claim 1, wherein the thickness of the insulating layer is 1 to 5 mm. The anti-rodent, ant, flame-retardant and fire-resistant cable according to claim 1, wherein at least one of the cable core and the coating layer further includes a filler or a gas-filled gap.

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