CN110698779A - Rat-proof and ant-proof sheath rubber material for cable and manufacturing method thereof - Google Patents

Rat-proof and ant-proof sheath rubber material for cable and manufacturing method thereof Download PDF

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CN110698779A
CN110698779A CN201911042217.8A CN201911042217A CN110698779A CN 110698779 A CN110698779 A CN 110698779A CN 201911042217 A CN201911042217 A CN 201911042217A CN 110698779 A CN110698779 A CN 110698779A
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proof
parts
rat
ant
agent
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王新炎
王志益
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ZHEJIANG YUANDONG CABLE GROUP CO Ltd
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ZHEJIANG YUANDONG CABLE GROUP CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
    • C08L23/286—Chlorinated polyethylene
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224—Magnesium hydroxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

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  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The application particularly relates to a rat and ant prevention sheath rubber material for cables and a manufacturing method thereof, wherein the rubber material comprises the following components in parts by weight: 15-25 parts of chlorinated polyethylene 135A; 65-90 parts of chlorinated polyethylene 135B; 15-30 parts of an environment-friendly flame retardant; 50-75 parts of a filler; 3-8 parts of magnesium oxide; 2-6 parts of an environment-friendly stabilizer; 1-2 parts of a solid softener; 0.5-1 part of stearic acid; 1-2 parts of a coupling agent; 32-45 parts of a liquid softener; 1.5-3 parts of a rat-proof repellent; 1.5-2 parts of an ant-preventing agent; 1-4 parts of a coloring agent; 2-3 parts of a vulcanizing agent; 3-4 parts of a vulcanization assistant. The rat-proof repellent and the termite-proof agent are added, so that the pollution to the environment and the possibility of cable damage caused by cable use underground are reduced; the main material is chlorinated polyethylene containing halogen elements, and the flame retardant and other materials are all environment-friendly materials, so that the harm to instruments and personnel is reduced by reducing the amount of the halogen elements.

Description

Rat-proof and ant-proof sheath rubber material for cable and manufacturing method thereof
Technical Field
The application relates to the field of sheath rubber materials for cables, in particular to a rat and ant prevention sheath rubber material for cables and a manufacturing method thereof.
Background
Along with the development of national economy and urban construction, subway, tunnel and mine construction are more and more, the use of shield machine and mining machine is more and more frequent, and supporting cable is more and more, but because the reason of working in the underground, the cable of laying is more easily corroded and harmed by the living beings such as termite, mouse. The cable for shield machine (mine) usually adopts chlorinated polyethylene and similar elastic bodies thereof, the corrosion resistance of the cable to organisms such as termites, mice and the like is poor, the electric wire and cable made of the material as the outer sheath does not have the function of preventing ants and mice, when the cable is laid in the area with more mice and termites, the cable is eaten by the mice and the termites, and the electric leakage short circuit can be caused in serious conditions, even the explosion accident can be caused.
Meanwhile, because the used rat-proof repellent and ant-proof agent have certain toxicity, the cable is bitten and damaged, and animals such as rats and the like are poisoned and killed, so that the environment is polluted; the cable for the shield machine (mine) is used in places such as subways, tunnels, mines and the like with dense personnel and closed spaces, the cable material contains a large amount of halogen elements or toxic substances, a large amount of smoke is generated during combustion, released gas is toxic, and the harm to instruments, equipment and personnel is greatly increased.
Disclosure of Invention
The application aims to provide the rat-proof and ant-proof sheath rubber material for the cable, which has the performance advantages of rat and ant prevention, environmental protection and no toxicity.
In order to achieve the purpose, the application provides a rat-proof and ant-proof sheath rubber material for cables, which comprises the following components in parts by weight:
Figure BDA0002253164440000021
in the above technical solution, further, the composition comprises, by weight:
Figure BDA0002253164440000022
Figure BDA0002253164440000031
in the above technical solution, further, the filler includes magnesium hydroxide, white carbon black and talc powder; wherein, the weight portions of the whole materials are as follows: 25-30 parts of magnesium hydroxide; 25-30 parts of white carbon black; 7-10 parts of talcum powder.
In the above technical solution, further, the colorant is medium chrome yellow or BBM.
In the above technical solution, further, the coupling agent is a coupling agent a-172.
In the technical scheme, the rat-repellent agent is RH-17 rat-repellent agent.
In the technical scheme, the ant prevention agent is S-07 ant prevention agent.
In the technical scheme, the environment-friendly flame retardant GZRY-1 is further provided.
In the above technical solution, further, the vulcanizing agent is BIBP.
In the above technical solution, further, the vulcanization aid is TAIC.
In the above technical scheme, further, the solid softening agent is microcrystalline paraffin, and the liquid softening agent is triisopropylphenyl phosphate.
In addition, the application also provides a manufacturing method of the rat-proof and ant-proof sheath rubber material for the cable, which comprises the following steps:
firstly, putting chlorinated polyethylene 135A, chlorinated polyethylene 135B, magnesium oxide, an environment-friendly stabilizer, stearic acid, a rat-proof repellent agent, an ant-proof agent, an environment-friendly flame retardant, a filling material, a solid softener, a liquid softener, a coupling agent and a coloring agent into an internal mixer in batches in sequence for mixing, and pressurizing for a period of time and lifting; discharging the glue after reaching the preset temperature;
adding a vulcanizing agent and a vulcanizing assistant into the internal mixer, pressurizing for a period of time, and lifting;
thirdly, discharging the glue after the preset temperature is reached;
and step four, putting the rubber obtained in the step three into an open mill, packaging the rubber into a triangular bag for two to three times after accumulation glue is formed on a roller, and then pressing the rubber into a roll for sheeting.
In the above technical solution, further, the first step specifically includes the following steps:
step 1, placing chlorinated polyethylene 135A and chlorinated polyethylene 135B into an internal mixing chamber for internal mixing, pressurizing for a period of time and lifting;
step 2, adding magnesium oxide, an environment-friendly stabilizer, stearic acid, a rat-proof aversive agent and an ant-proof agent, pressurizing for a period of time, and lifting;
step 3, adding one half of environment-friendly flame retardant, one third of filler and solid softener, pressurizing for a period of time, and lifting;
step 4, adding one half of environment-friendly flame retardant, one third of filler, liquid softener and coupling agent, pressurizing for a period of time, and lifting;
and 5, adding one third of filling material and coloring agent, pressurizing for a period of time, and lifting.
In the above technical solution, the method further comprises the following steps:
s01, placing the chlorinated polyethylene 135A and the chlorinated polyethylene 135B into an internal mixer for internal mixing, pressurizing for 1-3 minutes, and lifting, wherein the pressure of compressed air is 6.5-7.5 kg/cm2；
S02, adding magnesium oxide, environment-friendly stabilizer, stearic acid, rat-proof repellent and ant-proof agent, pressurizing for 1-2 minutes, and lifting with compressed air pressure of 6.5-7.5 kg/cm2；
S03, adding one half of environment-friendly flame retardant, one third of filler and solid softener, pressurizing for 1-2 minutes, and lifting with the pressure of compressed air of 6.5-7.5 kg/cm2；
S04, adding one half of environment-friendly flame retardant, one third of filler, liquid softener and coupling agent, pressurizing for 1-2 minutes, and lifting with the pressure of compressed air of 6.5-7.5 kg/cm2；
S05, adding one third of the filler and colorant, pressurizing for 1-2 minutes, and lifting with compressed air pressure of 6.5-7.5 kg/cm2；
S06, adding a vulcanizing agent and a vulcanizing aid, pressurizing for 40-60 seconds, wherein the pressure of compressed air is 6.5-7.5 kg/cm2(ii) a When the temperature reaches 85-90 ℃, discharging the glue;
and S07, adjusting the roll spacing of the open mill to 6-8 mm, keeping the temperature of the front roll and the rear roll at 60-70 ℃, putting the rubber compound obtained in the step S06 into the open mill, wrapping the rubber compound into a triangular bag for two to three times after a stacking rubber is formed on a roller, and then pressing the roller to take off the rubber sheet.
Compared with the prior art, the rat and ant prevention sheath rubber material for the cable provided by the application has the advantages that the rat and ant prevention agent and the ant prevention agent with certain components are added into the material, so that the pollution to the environment and the possibility of being bitten by the cable when the cable is used underground are reduced; in addition, the main material is chlorinated polyethylene containing halogen elements, and the flame retardant and other materials are all environment-friendly materials, so that the content of the whole halogen elements is reduced, a small amount of smoke is generated during combustion, and the released gas is non-toxic or low-toxic, so that the harm to instruments, equipment and personnel is greatly reduced.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to examples.
The present application is described in further detail below with reference to specific examples, which should not be construed as limiting the scope of the invention as claimed.
As described in the background section, the chlorinated polyethylene and other similar elastomers used in the cable for shield machine (mining) in the prior art have poor corrosion resistance to the living beings such as termites and mice, and the cable material contains a large amount of halogen elements or toxic substances, which generates a large amount of smoke during combustion and threatens the safety of the equipment and human body.
In order to solve the problem, the application provides a rat and ant prevention sheath rubber material for cables, which comprises the following components in parts by weight: 135A 15-25 parts of chlorinated polyethylene; 135B 65-90 parts of chlorinated polyethylene; 15-30 parts of an environment-friendly flame retardant; 50-75 parts of a filler; 3-8 parts of magnesium oxide; 2-6 parts of an environment-friendly stabilizer; 1-2 parts of a solid softener; 0.5-1 part of stearic acid; 1-2 parts of a coupling agent; 32-45 parts of a liquid softener; 1.5-3 parts of a rat-proof repellent; 1.5-2 parts of an ant-preventing agent; 1-4 parts of a coloring agent; 2-3 parts of a vulcanizing agent; 3-4 parts of a vulcanization assistant.
According to the rat and ant prevention sheath rubber material for the cable, the environment pollution of the cable in underground use and the possibility of being bitten by the cable are reduced by adding the environment-friendly rat and ant prevention agent and the ant prevention agent with certain components into the material; in addition, the main material is chlorinated polyethylene containing halogen elements, and the flame retardant and other materials are all environment-friendly materials, so that the content of the whole halogen elements is reduced, a small amount of smoke is generated during combustion, and the released gas is non-toxic or low-toxic, so that the harm to instruments, equipment and personnel is greatly reduced.
In some embodiments, the filler is a mixture of magnesium hydroxide, white carbon black, and talc. Wherein, the weight portions of the whole materials are as follows: 25-30 parts of magnesium hydroxide; 25-30 parts of white carbon black; 7-10 parts of talcum powder.
In some embodiments, the colorant can be an organic colorant or an inorganic colorant. The organic colorant is
BBM, benzidine yellow G, permanent violet RL, phthalocyanine blue B, etc. The inorganic colorant is medium chrome yellow, or titanium dioxide, fluorescent sapphire blue, and iron oxide red.
In some embodiments, the coupling agent is coupling agent A-172. Coupling agent A-172 is vinyl tris (b-methoxyethoxy) silane, formula: CH2 ═ CHSi (OCH2CH2OCH 3).
In some embodiments, the rat repellent is an RH-17 rat repellent. The RH-17 rat-proof repellent has no toxicity, and the rat-proof principle is that when rats bite the cable, the rat taste sense is stimulated, so that the rats voluntarily abandon the bite, thereby avoiding the accumulation of rat corpses in the underground closed environment and further ensuring the environment to be safer and more sanitary.
In some embodiments, the ant control agent is an S-07 ant control agent. The S-07 termite-resistant agent has strong contact killing effect, has quick drug effect, and can effectively avoid the damage of ants to cables; moreover, the half-life is long, and ant can be sustained for a long time. More importantly, the compound has low toxicity resistance and does not cause cancer, teratogenesis and mutation to human bodies.
In some embodiments, the environmentally friendly flame retardant GZRY-1. The environment-friendly flame retardant GZRY-1 does not contain halogen elements and does not generate toxic gas during combustion.
In some embodiments, the vulcanizing agent is BIBP.
BIBP is a chemical substance with molecular formula of C6H4[ C (CH3)2OOC (CH3)3]2, and has no pungent odor during operation and product production when used as vulcanizing agent. In the case of equivalent crosslinking effect, the amount added is about 2/3 of DCP, since the taste after decomposition is smaller with a smaller amount added.
In particular, BIBP may employ "ARKEMA of france" or "aksunobel".
In some embodiments, the vulcanization aid is TAIC. TAIC refers to triallyl isocyanurate.
In some embodiments, the solid softener is microcrystalline paraffin and the liquid softener is triisopropylphenyl phosphate.
According to another aspect of the application, the method for manufacturing the rat-proof and ant-proof sheath rubber material for the cable mainly comprises the steps of mixing, vulcanizing, tabletting and extruding.
Specifically, the method comprises the following steps:
s01, placing the chlorinated polyethylene 135A and the chlorinated polyethylene 135B into an internal mixing chamber for internal mixing, pressurizing for 1-3 minutes, and lifting with the compressed air pressure of 6.5-7.5 kg/cm2。
S02, adding magnesium oxide, composite environment-friendly stabilizer, stearic acid, RH-17 rat-proof repellent, S-07 ant-proof agent and the like, pressurizing for 1 minute, and lifting with the pressure of compressed air of 6.5-7.5 kg/cm2。
S03, adding one half of environment-friendly flame retardant GZRY-1, one third of filler (magnesium hydroxide, white carbon black and talcum powder) and solid softener, pressurizing for 1-2 minutes, and lifting with the pressure of compressed air of 6.5-7.5 kg/cm2。
S04, adding one half of environment-friendly flame retardant GZRY-1, one third of filler (magnesium hydroxide, white carbon black and talcum powder), liquid softener, coupling agent A-172 and the like, pressurizing for 1-2 minutes, and lifting up under the pressure of compressed air of 6.5-7.5 kg/cm2。
S05, adding one third of filling material (magnesium hydroxide, white carbon black, talcum powder), coloring agent (medium chrome yellow or BBM) and the like, pressurizing for 1-2 minutes, and lifting, wherein the pressure of compressed air is 6.5-7.5 kg/cm 2.
S06, adding a vulcanizing agent BIBP and a vulcanizing aid TAIC, pressurizing for 40-60 seconds, wherein the pressure of compressed air is 6.5-7.5 kg/cm2. And (5) discharging the glue when the temperature reaches 85-90 ℃.
S07, adjusting the roll spacing of the open mill to 6-8 mm, the temperature of the front roll and the rear roll to 60-70 ℃, putting the rubber compound into the open mill, packaging the rubber compound into a triangular bag for two to three times after accumulation glue is formed on the roller, and then pressing the roller to take off the sheet.
S08, the rubber has the following extrusion process parameters in an XJW-150 continuous sulfur rubber extruder: the temperature of a machine head is 65-75 ℃; the temperature of the machine body is 60-70 ℃; the temperature of the screw is 55-65 ℃; saturated steam pressure is 0.8-1.2 MPa; the extrusion speed is 2.5-6 m/min.
The following examples further illustrate the advantageous effects of the present application.
Example 1
The rat-proof and ant-proof sheath rubber material for the cable provided by the embodiment comprises the following components in parts by weight:
chlorinated polyethylene 135A: 20 parts of (1); chlorinated polyethylene 135B: 75 parts of a mixture; environmental-friendly flame retardant GZRY-1: 20 parts of (1); magnesium hydroxide: 25 parts of (1); white carbon black: 28 parts of (1); talc powder: 10 parts of (A); magnesium oxide: 8 parts of a mixture; an environment-friendly stabilizer: 2 parts of (1); microcrystalline paraffin: 2 parts of (1); stearic acid: 0.5 part; coupling agent A-172: 2 parts of (1); triisopropylphenyl phosphate: 40 parts of a mixture; RH-17 rat repellent: 3 parts of a mixture; s-07 Ant repellent: 1.5 parts; medium chrome yellow or BBM: 4 parts of a mixture; BIBP: 2 parts of (1); TAIC: 4 parts.
The rubber is prepared by combining the proportion of the components in the embodiment according to the preparation method of the rat-proof and ant-proof sheath rubber material for the cable.
Example 2
The rat-proof and ant-proof sheath rubber material for the cable provided by the embodiment comprises the following components in parts by weight:
chlorinated polyethylene 135A: 15 parts of (1); chlorinated polyethylene 135B: 70 parts of (B); environmental-friendly flame retardant GZRY-1: 18 parts of a mixture; magnesium hydroxide: 30 parts of (1); white carbon black: 25 parts of (1); talc powder: 7 parts; magnesium oxide: 5 parts of a mixture; an environment-friendly stabilizer: 2 parts of (1); microcrystalline paraffin: 2 parts of (1); stearic acid: 1 part; coupling agent A-172: 2 parts of (1); triisopropylphenyl phosphate: 32 parts of (1); RH-17 rat repellent: 1.5 parts; s-07 Ant repellent: 2 parts of (1); medium chrome yellow or BBM: 1 part; BIBP: 3 parts of a mixture; TAIC: 4 parts.
The rubber is prepared by combining the proportion of the components in the embodiment according to the preparation method of the rat-proof and ant-proof sheath rubber material for the cable.
Example 3
The rat-proof and ant-proof sheath rubber material for the cable provided by the embodiment comprises the following components in parts by weight:
chlorinated polyethylene 135A: 25 parts of (1); chlorinated polyethylene 135B: 80 parts of a mixture; environmental-friendly flame retardant GZRY-1: 27 parts of (1); magnesium hydroxide: 25 parts of (1); white carbon black: 30 parts of (1); talc powder: 8 parts of a mixture; magnesium oxide: 3 parts of a mixture; an environment-friendly stabilizer: 6 parts of (1); microcrystalline paraffin: 1 part; stearic acid: 0.5 part; coupling agent A-172: 1 part; triisopropylphenyl phosphate: 32 parts of (1); RH-17 rat repellent: 3 parts of a mixture; s-07 Ant repellent: 1.8 parts; medium chrome yellow or BBM: 3 parts of a mixture; BIBP: 3 parts of a mixture; TAIC: and 3 parts.
The rubber is prepared by combining the proportion of the components in the embodiment according to the preparation method of the rat-proof and ant-proof sheath rubber material for the cable.
Example 4
The rat-proof and ant-proof sheath rubber material for the cable provided by the embodiment comprises the following components in parts by weight:
chlorinated polyethylene 135A: 22 parts of (A); chlorinated polyethylene 135B: 85 parts of a mixture; environmental-friendly flame retardant GZRY-1: 26 parts of (1); magnesium hydroxide: 27 parts of (1); white carbon black: 27 parts of (1); talc powder: 9 parts of (1); magnesium oxide: 6 parts of (1); an environment-friendly stabilizer: 6 parts of (1); microcrystalline paraffin: 1 part; stearic acid: 1 part; coupling agent A-172: 1 part; triisopropylphenyl phosphate: 45 parts of (1); RH-17 rat repellent: 1.5 parts; s-07 Ant repellent: 2 parts of (1); medium chrome yellow or BBM: 2 parts of (1); BIBP: 2 parts of (1); TAIC: and 3 parts.
The rubber is prepared by combining the proportion of the components in the embodiment according to the preparation method of the rat-proof and ant-proof sheath rubber material for the cable.
Example 5
The rat-proof and ant-proof sheath rubber material for the cable provided by the embodiment comprises the following components in parts by weight:
chlorinated polyethylene 135A: 20 parts of (1); chlorinated polyethylene 135B: 80 parts of a mixture; environmental-friendly flame retardant GZRY-1: 24 parts of (1); magnesium hydroxide: 24 parts of (1); white carbon black: 28 parts of (1); talc powder: 9 parts of (1); magnesium oxide: 6 parts of (1); compound environment-friendly stabilizer: 4 parts of a mixture; microcrystalline paraffin: 1.4 parts; stearic acid: 1 part; coupling agent A-172: 2 parts of (1); triisopropylphenyl phosphate: 36 parts of (A); RH-17 rat repellent: 3 parts of a mixture; s-07 Ant repellent: 2 parts of (1); medium chrome yellow or BBM: 3 parts of a mixture; BIBP: 2 parts of (1); TAIC: 4 parts.
The rubber is prepared by combining the proportion of the components in the embodiment according to the preparation method of the rat-proof and ant-proof sheath rubber material for the cable.
Experiment one
Examples 1 to 5 relate to the rubber material and are directly measured for the original tensile strength, the original elongation at break K and the tear strength. The results of the experiment are shown in table 1:
Figure BDA0002253164440000101
TABLE 1 results of the experiments
Experiment two
On the basis of experiment one, the rubber materials of examples 1 to 5 were placed in an environment of 75 ℃ and aged for 240 hours, and the tensile strength change rate and the elongation at break change rate were measured, respectively. The results of the experiment are shown in table 2:
TABLE 2 results of experiment two
Experiment three
On the basis of experiment one, the rubber materials of examples 1 to 5 were dipped in oil at 100 ℃ for 24 hours, and then the tensile strength change rate and the elongation at break change rate were measured, respectively. The results of the experiment are shown in table 3:
TABLE 3 results of the three experiments
Experiment four
Examples 1-5 were measured for cable smoke density and PH of the rubber materials. The results of the experiment are shown in table 4:
Figure BDA0002253164440000121
TABLE 4 results of the experiment
Experiment five
For the rubber materials related to examples 1 to 5, a single vertical combustion test was performed, and the distance a between the lower edge of the upper support and the starting point of the charring part, the downward extension of combustion from the lower edge of the upper support b, and the charring length c of the bundled combustion test were counted. The results of the experiment are shown in table 5:
Figure BDA0002253164440000122
Figure BDA0002253164440000131
TABLE 5 results of the five experiments
Experiment six
For the rubber materials according to examples 1 to 5, a load burn test was conducted to count the burning time and the carbonization length. The results of the experiment are shown in table 6:
Figure BDA0002253164440000132
TABLE 6 six results of the experiment
Experiment seven
And (4) evaluating the area degree of the rat-bitten sample.
The rubber material is observed and counted to be bitten by the rats every 24 hours, and the phenomenon of being damaged by the rats is not found after the observation is continued for 20 days. Moreover, the rats did not suffer from poisoning and death during the whole experimental period.
Experiment eight
And (5) termite resistance effect experiment.
The termite-resistant effect was measured by the knockdown method and the experimental colony method, and it was found that termites can be killed quickly.
From the results of the experiments from one to eight, compared with the prior art, the rat-proof and ant-proof sheath rubber material for the cable provided by the application has excellent mechanical properties, and all physical and mechanical properties of the material completely meet the standard requirements of related products; the flame retardant property of the cable meets the requirements of GB/T19666-2005 and MT/T386; the cable smoke density-minimum light transmittance is more than or equal to 30 percent; the PH value is more than or equal to 2.5.
The rat bite test and the termite-resistant effect test of the cable are qualified, and the pollution to the environment and the possibility of being bitten by the cable can be reduced when the cable is used underground.
The main material is chlorinated polyethylene containing halogen elements, and the flame retardant and other materials are all environment-friendly materials, so that the content of the whole halogen elements is reduced, a small amount of smoke is generated during combustion, the released gas is non-toxic or low-toxic, and the harm to instruments, equipment and personnel is greatly reduced.
The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the technical principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.

Claims (14)

1. A rat and ant prevention sheath rubber material for cables is characterized by comprising the following components in parts by weight:
Figure RE-FDA0002288351750000011
2. the rat-proof and ant-proof sheath rubber material for the cable according to claim 1, which is characterized by comprising the following components in parts by weight:
Figure RE-FDA0002288351750000012
Figure RE-FDA0002288351750000021
3. the rat-proof and ant-proof sheath rubber material for the cable according to claim 1 or 2, wherein the filler comprises magnesium hydroxide, white carbon black and talc; wherein, the weight portions of the whole materials are as follows: 25-30 parts of magnesium hydroxide; 25-30 parts of white carbon black; 7-10 parts of talcum powder.
4. The rat-proof and ant-proof sheath rubber material for cables as claimed in claim 3, wherein the coloring agent is chrome yellow or BBM.
5. The rat-proof and ant-proof sheath rubber material for the cable according to claim 3, wherein the coupling agent is a coupling agent A-172.
6. The rat and ant prevention sheath rubber material for the cable according to claim 3, wherein the rat and ant prevention agent is RH-17 rat and ant prevention agent.
7. The rat and ant prevention sheath rubber material for the cable according to claim 3, wherein the ant prevention agent is S-07 ant prevention agent.
8. The rat-proof and ant-proof sheath rubber material for the cable according to claim 3, wherein the environment-friendly flame retardant GZRY-1.
9. The rat-proof and ant-proof sheath rubber material for the cable according to claim 3, wherein the vulcanizing agent is BIBP.
10. The rat-proof and ant-proof sheath rubber material for the cable according to claim 3, wherein the vulcanization aid is TAIC.
11. The rat-proof and ant-proof sheath rubber material for the cable according to claim 3, wherein the solid softener is microcrystalline paraffin and the liquid softener is triisopropylphenyl phosphate.
12. A method for producing a rat-proof and ant-proof sheath rubber material for a cable as set forth in any one of claims 1 to 11, comprising the steps of:
firstly, putting chlorinated polyethylene 135A, chlorinated polyethylene 135B, magnesium oxide, an environment-friendly stabilizer, stearic acid, a rat-proof repellent agent, an ant-proof agent, an environment-friendly flame retardant, a filling material, a solid softener, a liquid softener, a coupling agent and a coloring agent into an internal mixer in batches in sequence for mixing, and pressurizing for a period of time and lifting; discharging the glue after reaching the preset temperature;
adding a vulcanizing agent and a vulcanizing assistant into the internal mixer, pressurizing for a period of time, and lifting;
thirdly, discharging the glue after the preset temperature is reached;
and step four, putting the rubber obtained in the step three into an open mill, packaging the rubber into a triangular bag for two to three times after accumulation glue is formed on a roller, and then pressing the rubber into a roll for sheeting.
13. The method for manufacturing a rat/ant prevention sheath rubber material for cables as claimed in claim 12, wherein the first step specifically comprises the steps of:
step 1, placing chlorinated polyethylene 135A and chlorinated polyethylene 135B into an internal mixing chamber for internal mixing, pressurizing for a period of time and lifting;
step 2, adding magnesium oxide, an environment-friendly stabilizer, stearic acid, a rat-proof aversive agent and an ant-proof agent, pressurizing for a period of time, and lifting;
step 3, adding one half of environment-friendly flame retardant, one third of filler and solid softener, pressurizing for a period of time, and lifting;
step 4, adding one half of environment-friendly flame retardant, one third of filler, liquid softener and coupling agent, pressurizing for a period of time, and lifting;
and 5, adding one third of filling material and coloring agent, pressurizing for a period of time, and lifting.
14. The method for manufacturing a rat-proof and ant-proof sheath rubber material for cables as claimed in claim 12, comprising the steps of:
s01, placing the chlorinated polyethylene 135A and the chlorinated polyethylene 135B into an internal mixer for internal mixing, pressurizing for 1-3 minutes, and lifting, wherein the pressure of compressed air is 6.5-7.5 kg/cm2；
S02, adding magnesium oxide, environment-friendly stabilizer, stearic acid, rat-proof repellent and ant-proof agent, pressurizing for 1-2 minutes, and lifting with compressed air pressure of 6.5-7.5 kg/cm2；
S03, adding one half of environment-friendly flame retardant, one third of filler and solid softener, pressurizing for 1-2 minutes, and lifting with the pressure of compressed air of 6.5-7.5 kg/cm2；
S04, adding one half of environment-friendly flame retardant, one third of filler, liquid softener and coupling agent, pressurizing for 1-2 minutes, and lifting with the pressure of compressed air of 6.5-7.5 kg/cm2；
S05, adding one third of the filler and colorant, pressurizing for 1-2 minutes, and lifting with compressed air pressure of 6.5-7.5 kg/cm2；
S06, adding a vulcanizing agent and a vulcanizing aid, pressurizing for 40-60 seconds, wherein the pressure of compressed air is 6.5-7.5 kg/cm2(ii) a When the temperature reaches 85-90 ℃, discharging the glue;
and S07, adjusting the roll spacing of the open mill to 6-8 mm, keeping the temperature of the front roll and the rear roll at 60-70 ℃, putting the rubber compound obtained in the step S06 into the open mill, wrapping the rubber compound into a triangular bag for two to three times after a stacking rubber is formed on a roller, and then pressing the roller to take off the rubber sheet.
CN201911042217.8A 2019-10-30 2019-10-30 Rat-proof and ant-proof sheath rubber material for cable and manufacturing method thereof Pending CN110698779A (en)

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