CN116199983B - Preparation method of environment-friendly high-strength high-wear-resistance cable - Google Patents
Preparation method of environment-friendly high-strength high-wear-resistance cable Download PDFInfo
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- CN116199983B CN116199983B CN202310141517.1A CN202310141517A CN116199983B CN 116199983 B CN116199983 B CN 116199983B CN 202310141517 A CN202310141517 A CN 202310141517A CN 116199983 B CN116199983 B CN 116199983B
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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Abstract
The invention discloses a preparation method of an environment-friendly high-strength high-wear-resistance cable, which comprises the following steps: (1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid; (2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder to obtain a mixture A; (3) adding the rest materials into the mixture A to obtain a mixture B; (4) And (5) banburying and granulating to obtain a cable material finished product, and preparing the cable material finished product into a sheath to obtain the cable. The cable material formula prepared by the method replaces lead and cadmium components in the traditional formula of the polyvinyl chloride cable material, and reduces the harm of wires and cables to the surrounding environment.
Description
Technical Field
The invention relates to the technical field of wire and cable materials, in particular to a preparation method of an environment-friendly high-strength high-wear-resistance cable.
Background
The electric wires and cables are called as arteries and nerves of national economy, and the products are widely applied to the fields of construction, traffic, power plants, automobiles, petrifaction and the like. Polyvinyl chloride (PVC) is one of the most widely used plastics in the world, has low cost, excellent corrosion resistance and electrical insulation, and particularly has flame resistance and self-extinguishing property, so that the PVC has been widely applied to the production of cable materials, has a long-term important role in wire and cable insulation protection materials, and is widely applied to various wire and cable insulation and protection layer materials.
Disclosure of Invention
Therefore, the invention provides a preparation method of an environment-friendly high-strength high-wear-resistance cable, which comprises the following steps:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) And (3) banburying the mixture B at the temperature of 100-110 ℃ for 7-10 min, then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 150-180 ℃ to obtain a cable material finished product, and preparing the cable material finished product into a sheath in the cable manufacturing process to obtain the environment-friendly high-strength high-wear-resistance cable.
Further, the preparation method of the modified cerium oxide powder comprises the following steps:
Preparing aqueous solutions of cerium nitrate and ethylene glycol, placing the aqueous solutions of cerium nitrate and ethylene glycol in a reaction kettle, keeping the temperature of the aqueous baths to 65+/-5 ℃, stirring the aqueous solutions of cerium nitrate and ethylene glycol, dropwise adding ammonia water into the solutions in the stirring process until no precipitation is generated, sealing the reaction kettle, heating to 120+/-5 ℃, preserving heat for 4-5 hours, air-cooling to normal temperature after the heat preservation is finished, opening the reaction kettle, separating solid from liquid, washing a solid phase with ethanol, and drying to obtain a solid phase A;
Preparing a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, soaking the solid phase A in the composite ethanol solution of zinc chloride, antimony chloride and tin chloride, standing for 5-6 min, performing solid-liquid separation, drying the solid phase in an environment of 100-120 ℃ for more than 10min, and calcining in an environment of 500-550 ℃ for more than 15 min; then air-cooling to normal temperature, soaking the mixture into the composite ethanol solution of zinc chloride, antimony chloride and tin chloride again, standing for 5-6 min, performing solid-liquid separation, drying the solid phase at 100-120 ℃ for more than 10min, and calcining at 500-550 ℃ for more than 15 min; repeating the processes of soaking, solid-liquid separation, drying and calcining for 10-12 groups, calcining for 1-2 hours for the last time, and then air-cooling to normal temperature to obtain a solid phase B;
Preparing an aqueous solution of absolute ethyl alcohol, adding the solid phase B into the aqueous solution of absolute ethyl alcohol, stirring to form a suspension, adding isopropyl tri (dioctyl pyrophosphoryl) titanate into the suspension, keeping the temperature of the suspension in a water bath to 55+/-5 ℃ after the addition is finished, keeping the temperature and stirring for more than 1 hour, filtering, and drying at 60 ℃ to obtain a solid phase C;
Dispersing the solid phase C in ethanol to form an alcohol suspension, adding a coupling agent KH-550 into the alcohol suspension in a stirring state, continuing stirring for more than 10 hours after the addition, carrying out solid-liquid separation, washing the solid phase by deionized water, drying to obtain a solid phase D, dispersing the solid phase D in an ethanol solution to obtain an alcohol mixture, placing the alcohol mixture in a nitrogen atmosphere, keeping the temperature of a water bath to 80+/-5 ℃, then adding potassium ethylxanthate into the alcohol mixture, continuing stirring for more than 12 hours at the constant temperature of 80+/-5 ℃ in the nitrogen atmosphere after the addition is finished, then carrying out air cooling to normal temperature, carrying out solid-liquid separation, washing the solid phase by ethanol, and drying; dispersing the dried solid phase in N, N-dimethylformamide, then carrying out water bath constant temperature to 60+/-5 ℃ in a nitrogen atmosphere, sequentially adding methyl methacrylate and azodiisobutyronitrile, carrying out heat preservation for more than 12 hours at 60+/-5 ℃ in the nitrogen atmosphere after the addition, then carrying out air cooling to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol, and drying to obtain the modified cerium oxide powder.
Further, the components are as follows in parts by weight: 100 parts of polyvinyl chloride resin, 10-20 parts of nano attapulgite, 15-20 parts of dioctyl cyclohexane-1, 2-diformate, 10-15 parts of trioctyl phosphite, 25-35 parts of nitrile rubber powder, 10-16 parts of alumina powder, 10-13 parts of light calcium carbonate powder, 12-20 parts of modified cerium oxide powder, 5-10 parts of zinc borate, 0.5-0.8 part of dilauryl thiodipropionate, 1-2 parts of 2, 6-di-tert-butyl-4-methylphenol, 5-9 parts of vinyl trimethoxy silane, 3-6 parts of anti-aging agent TPPD, 10-14 parts of wollastonite powder and 2-5 parts of stearic acid.
Further, in the aqueous solution of cerium nitrate and glycol, the concentration of the cerium nitrate is 3-5 g/100mL, and the volume fraction of the glycol is 50%; the mass percentage of the solute in the ammonia water is 25%.
Further, in the composite ethanol solution of zinc chloride, antimony chloride and tin chloride, the concentration of the zinc chloride is 10-16 g/L, the concentration of the antimony chloride is 8-12 g/L, the concentration of the tin chloride is 3-5 g/L, and the solvent is ethanol.
Further, in the third step, in the aqueous solution of the absolute ethyl alcohol, the volume fraction of the absolute ethyl alcohol is 50%; the solid-liquid mass ratio of the solid phase B to the aqueous solution of the absolute ethyl alcohol=1/10, and the adding mass of the isopropyl tri (dioctyl pyrophosphoryloxy) titanate is 5-8% of the solid phase B.
Further, in the fourth step, the solid-liquid mass ratio of the solid phase C dispersed in ethanol is solid phase C/ethanol=1:20; the adding mass of the coupling agent KH-550 is 30% -40% of the mass of the solid phase C; the solid-liquid mass ratio of the solid phase D dispersed in the ethanol solution is 1:20; the added mass of the potassium ethylxanthate is 1.6-2.0 times of the mass of the solid phase D; the solid-liquid mass ratio of the dried solid phase dispersed in the N, N-dimethylformamide is solid/liquid=1:20; the mass ratio of the added mass of the methyl methacrylate and the azodiisobutyronitrile to the solid phase D is that the methyl methacrylate: azobisisobutyronitrile: solid phase d=3 to 4:0.01 to 0.02:1.
The invention has the beneficial effects that: the cable material prepared by the method has good mechanical property and low temperature resistance and has wide application range. And replaces lead and cadmium components in the traditional formula of the polyvinyl chloride cable material, thereby reducing the harm of wires and cables to the surrounding environment.
Detailed Description
The invention is further illustrated below with reference to examples.
Example 1
The preparation method of the environment-friendly high-strength high-wear-resistance cable material for manufacturing the cable sheath comprises the following steps of:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid; the components in parts by weight are as follows: 100 parts of polyvinyl chloride resin, 10 parts of nano attapulgite, 15 parts of cyclohexane-1, 2 dioctyl phthalate, 10 parts of trioctyl phosphite, 25 parts of nitrile rubber powder, 10 parts of alumina powder, 10 parts of light calcium carbonate powder, 12 parts of modified cerium oxide powder, 5 parts of zinc borate, 0.5 part of dilauryl thiodipropionate, 1 part of 2, 6-di-tert-butyl-4-methylphenol, 5 parts of vinyl trimethoxy silane, 3 parts of anti-aging agent TPPD, 10 parts of wollastonite powder and 2 parts of stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) And (3) banburying the mixture B at the temperature of 105+/-5 ℃ for 8min, then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 170 ℃, obtaining a cable material finished product, and preparing the cable material finished product into a sheath in the cable manufacturing process, thus obtaining the environment-friendly high-strength high-wear-resistance cable.
The preparation method of the modified cerium oxide powder comprises the following steps:
Preparing aqueous solutions of cerium nitrate and ethylene glycol, wherein the concentration of the cerium nitrate in the aqueous solutions of the cerium nitrate and the ethylene glycol is 3g/100mL, and the volume fraction of the ethylene glycol is 50%; placing the aqueous solution of cerium nitrate and ethylene glycol in a reaction kettle, keeping the temperature of the aqueous bath to 65+/-5 ℃, then stirring the aqueous solution of cerium nitrate and ethylene glycol at 50r/min, and dropwise adding ammonia water into the solution in the stirring process until no precipitation is generated, wherein the mass percentage of solute in the ammonia water is 25%; then sealing the reaction kettle, heating to 120+/-5 ℃ and preserving heat for 4 hours, air-cooling to normal temperature after the heat preservation is finished, opening the reaction kettle, separating solid from liquid, washing a solid phase with ethanol, and drying to obtain a solid phase A;
Preparing a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, wherein the concentration of the zinc chloride is 10g/L, the concentration of the antimony chloride is 8g/L, the concentration of the tin chloride is 3g/L, and the solvent is ethanol; soaking the solid phase A in a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, standing for 5min, then carrying out solid-liquid separation, drying the solid phase A for 10min at 100 ℃, and then calcining the solid phase A for 15min at 520 ℃; then air-cooling to normal temperature, soaking the mixture into the composite ethanol solution of zinc chloride, antimony chloride and tin chloride again, standing for 5min, performing solid-liquid separation, drying the solid phase at 100 ℃ for 10min, and calcining the solid phase at 520 ℃ for 15min; repeating the processes of soaking, solid-liquid separation, drying and calcining for 10 groups, calcining for 1h for the last time, and then air-cooling to normal temperature to obtain a solid phase B;
Preparing an aqueous solution of absolute ethyl alcohol, wherein the volume fraction of the absolute ethyl alcohol in the aqueous solution of the absolute ethyl alcohol is 50%; adding the solid phase B into the aqueous solution of the absolute ethyl alcohol, and stirring to form a suspension, wherein the solid-liquid mass ratio of the solid phase B to the aqueous solution of the absolute ethyl alcohol is 1/10; adding isopropyl tri (dioctyl pyrophosphoryl) titanate into the suspension, wherein the adding mass of the isopropyl tri (dioctyl pyrophosphoryl) titanate is 5% of the mass of the solid phase B; after the addition is completed, the suspension is subjected to water bath constant temperature to 55+/-5 ℃, heat preservation is carried out for 60r/min, stirring is carried out for 1h, then filtration and drying are carried out at 60 ℃ to obtain a solid phase C;
step four, dispersing the solid phase C in ethanol to form an alcohol suspension, wherein the solid-liquid mass ratio of the solid phase C dispersed in ethanol to the solid phase C/ethanol=1:20; adding a coupling agent KH-550 into the alcohol suspension under the stirring state of 60r/min, wherein the adding mass of the coupling agent KH-550 is 30% of the mass of the solid phase C; stirring for 10h at 60r/min after the addition is completed, carrying out solid-liquid separation, washing a solid phase with deionized water, drying to obtain a solid phase D, dispersing the solid phase D in an ethanol solution to obtain an alcohol mixture, wherein the mass ratio of the solid phase D to the solid phase D/ethanol=1:20; placing the alcohol mixture in a nitrogen atmosphere, keeping the temperature of the water bath to 80+/-5 ℃, and then adding potassium ethylxanthate into the alcohol mixture, wherein the adding mass of the potassium ethylxanthate is 1.6 times of that of the solid phase D; continuously stirring for 12 hours at the constant temperature of 80+/-5 ℃ and 60r/min in a nitrogen atmosphere after the charging is finished, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying; the dried solid phase is dispersed in N, N-dimethylformamide, and the solid-liquid mass ratio of the solid phase dispersed in the N, N-dimethylformamide is solid/liquid=1:20; then, in a nitrogen atmosphere, the water bath is kept at a constant temperature of 60+/-5 ℃, and then methyl methacrylate and azobisisobutyronitrile are sequentially added, wherein the mass ratio of the added mass of the methyl methacrylate and the azobisisobutyronitrile to the solid phase D is that the mass ratio of the methyl methacrylate: azobisisobutyronitrile: solid phase d=3:0.01:1; and after the addition, preserving the temperature for 12 hours at 60+/-5 ℃ in a nitrogen atmosphere, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying to obtain the modified cerium oxide powder.
Example 2
The preparation method of the environment-friendly high-strength high-wear-resistance cable material for manufacturing the cable sheath comprises the following steps of:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid; the components in parts by weight are as follows: 100 parts of polyvinyl chloride resin, 14 parts of nano attapulgite, 17 parts of cyclohexane-1, 2 dioctyl phthalate, 12 parts of trioctyl phosphite, 28 parts of nitrile rubber powder, 13 parts of alumina powder, 11 parts of light calcium carbonate powder, 15 parts of modified cerium oxide powder, 7 parts of zinc borate, 0.6 part of dilauryl thiodipropionate, 1 part of 2, 6-di-tert-butyl-4-methylphenol, 7 parts of vinyl trimethoxy silane, 4 parts of anti-aging agent TPPD, 12 parts of wollastonite powder and 3 parts of stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) And (3) banburying the mixture B at the temperature of 105+/-5 ℃ for 8min, then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 170 ℃, obtaining a cable material finished product, and preparing the cable material finished product into a sheath in the cable manufacturing process, thus obtaining the environment-friendly high-strength high-wear-resistance cable.
The preparation method of the modified cerium oxide powder comprises the following steps:
Preparing aqueous solutions of cerium nitrate and ethylene glycol, wherein the concentration of the cerium nitrate in the aqueous solutions of the cerium nitrate and the ethylene glycol is 4g/100mL, and the volume fraction of the ethylene glycol is 50%; placing the aqueous solution of cerium nitrate and ethylene glycol in a reaction kettle, keeping the temperature of the aqueous bath to 65+/-5 ℃, then stirring the aqueous solution of cerium nitrate and ethylene glycol at 50r/min, and dropwise adding ammonia water into the solution in the stirring process until no precipitation is generated, wherein the mass percentage of solute in the ammonia water is 25%; then sealing the reaction kettle, heating to 120+/-5 ℃ and preserving heat for 4 hours, air-cooling to normal temperature after the heat preservation is finished, opening the reaction kettle, separating solid from liquid, washing a solid phase with ethanol, and drying to obtain a solid phase A;
Preparing a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, wherein the concentration of the zinc chloride is 12g/L, the concentration of the antimony chloride is 10g/L, the concentration of the tin chloride is 4g/L, and the solvent is ethanol; soaking the solid phase A in a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, standing for 5min, then carrying out solid-liquid separation, drying the solid phase A for 10min at 100 ℃, and then calcining the solid phase A for 15min at 520 ℃; then air-cooling to normal temperature, soaking the mixture into the composite ethanol solution of zinc chloride, antimony chloride and tin chloride again, standing for 5min, performing solid-liquid separation, drying the solid phase at 100 ℃ for 10min, and calcining the solid phase at 520 ℃ for 15min; repeating the processes of soaking, solid-liquid separation, drying and calcining for 10 groups, calcining for 1h for the last time, and then air-cooling to normal temperature to obtain a solid phase B;
Preparing an aqueous solution of absolute ethyl alcohol, wherein the volume fraction of the absolute ethyl alcohol in the aqueous solution of the absolute ethyl alcohol is 50%; adding the solid phase B into the aqueous solution of the absolute ethyl alcohol, and stirring to form a suspension, wherein the solid-liquid mass ratio of the solid phase B to the aqueous solution of the absolute ethyl alcohol is 1/10; adding isopropyl tri (dioctyl pyrophosphoryl) titanate into the suspension, wherein the adding mass of the isopropyl tri (dioctyl pyrophosphoryl) titanate is 6% of the mass of the solid phase B; after the addition is completed, the suspension is subjected to water bath constant temperature to 55+/-5 ℃, heat preservation is carried out for 60r/min, stirring is carried out for 1h, then filtration and drying are carried out at 60 ℃ to obtain a solid phase C;
Step four, dispersing the solid phase C in ethanol to form an alcohol suspension, wherein the solid-liquid mass ratio of the solid phase C dispersed in ethanol to the solid phase C/ethanol=1:20; adding a coupling agent KH-550 into the alcohol suspension under the stirring state of 60r/min, wherein the adding mass of the coupling agent KH-550 is 30% of the mass of the solid phase C; stirring for 10h at 60r/min after the addition is completed, carrying out solid-liquid separation, washing a solid phase with deionized water, drying to obtain a solid phase D, dispersing the solid phase D in an ethanol solution to obtain an alcohol mixture, wherein the mass ratio of the solid phase D to the solid phase D/ethanol=1:20; placing the alcohol mixture in a nitrogen atmosphere, keeping the temperature of the water bath to 80+/-5 ℃, and then adding potassium ethylxanthate into the alcohol mixture, wherein the adding mass of the potassium ethylxanthate is 1.8 times that of the solid phase D; continuously stirring for 12 hours at the constant temperature of 80+/-5 ℃ and 60r/min in a nitrogen atmosphere after the charging is finished, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying; the dried solid phase is dispersed in N, N-dimethylformamide, and the solid-liquid mass ratio of the solid phase dispersed in the N, N-dimethylformamide is solid/liquid=1:20; then, in a nitrogen atmosphere, the water bath is kept at a constant temperature of 60+/-5 ℃, and then methyl methacrylate and azobisisobutyronitrile are sequentially added, wherein the mass ratio of the added mass of the methyl methacrylate and the azobisisobutyronitrile to the solid phase D is that the mass ratio of the methyl methacrylate: azobisisobutyronitrile: solid phase d=3:0.01:1; and after the addition, preserving the temperature for 12 hours at 60+/-5 ℃ in a nitrogen atmosphere, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying to obtain the modified cerium oxide powder.
Example 3
The preparation method of the environment-friendly high-strength high-wear-resistance cable material for manufacturing the cable sheath comprises the following steps of:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid; the components in parts by weight are as follows: 100 parts of polyvinyl chloride resin, 18 parts of nano attapulgite, 18 parts of cyclohexane-1, 2 dioctyl phthalate, 14 parts of trioctyl phosphite, 30 parts of nitrile rubber powder, 14 parts of alumina powder, 12 parts of light calcium carbonate powder, 18 parts of modified cerium dioxide powder, 8 parts of zinc borate, 0.7 part of dilauryl thiodipropionate, 2 parts of 2, 6-di-tert-butyl-4-methylphenol, 7 parts of vinyl trimethoxy silane, 5 parts of anti-aging agent TPPD, 12 parts of wollastonite powder and 4 parts of stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) And (3) banburying the mixture B at the temperature of 105+/-5 ℃ for 8min, then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 170 ℃, obtaining a cable material finished product, and preparing the cable material finished product into a sheath in the cable manufacturing process, thus obtaining the environment-friendly high-strength high-wear-resistance cable.
The preparation method of the modified cerium oxide powder comprises the following steps:
Preparing aqueous solutions of cerium nitrate and ethylene glycol, wherein the concentration of the cerium nitrate in the aqueous solutions of the cerium nitrate and the ethylene glycol is 4g/100mL, and the volume fraction of the ethylene glycol is 50%; placing the aqueous solution of cerium nitrate and ethylene glycol in a reaction kettle, keeping the temperature of the aqueous bath to 65+/-5 ℃, then stirring the aqueous solution of cerium nitrate and ethylene glycol at 50r/min, and dropwise adding ammonia water into the solution in the stirring process until no precipitation is generated, wherein the mass percentage of solute in the ammonia water is 25%; then sealing the reaction kettle, heating to 120+/-5 ℃ and preserving heat for 4 hours, air-cooling to normal temperature after the heat preservation is finished, opening the reaction kettle, separating solid from liquid, washing a solid phase with ethanol, and drying to obtain a solid phase A;
Preparing a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, wherein the concentration of the zinc chloride in the composite ethanol solution of the zinc chloride, the antimony chloride and the tin chloride is 14g/L, the concentration of the antimony chloride is 10g/L, the concentration of the tin chloride is 4g/L, and the solvent is ethanol; soaking the solid phase A in a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, standing for 5min, then carrying out solid-liquid separation, drying the solid phase A for 10min at 100 ℃, and then calcining the solid phase A for 15min at 520 ℃; then air-cooling to normal temperature, soaking the mixture into the composite ethanol solution of zinc chloride, antimony chloride and tin chloride again, standing for 5min, performing solid-liquid separation, drying the solid phase at 100 ℃ for 10min, and calcining the solid phase at 520 ℃ for 15min; repeating the processes of soaking, solid-liquid separation, drying and calcining for 10 groups, calcining for 1h for the last time, and then air-cooling to normal temperature to obtain a solid phase B;
preparing an aqueous solution of absolute ethyl alcohol, wherein the volume fraction of the absolute ethyl alcohol in the aqueous solution of the absolute ethyl alcohol is 50%; adding the solid phase B into the aqueous solution of the absolute ethyl alcohol, and stirring to form a suspension, wherein the solid-liquid mass ratio of the solid phase B to the aqueous solution of the absolute ethyl alcohol is 1/10; adding isopropyl tri (dioctyl pyrophosphoryl) titanate into the suspension, wherein the adding mass of the isopropyl tri (dioctyl pyrophosphoryl) titanate is 7% of the mass of the solid phase B; after the addition is completed, the suspension is subjected to water bath constant temperature to 55+/-5 ℃, heat preservation is carried out for 60r/min, stirring is carried out for 1h, then filtration and drying are carried out at 60 ℃ to obtain a solid phase C;
Step four, dispersing the solid phase C in ethanol to form an alcohol suspension, wherein the solid-liquid mass ratio of the solid phase C dispersed in ethanol to the solid phase C/ethanol=1:20; adding a coupling agent KH-550 into the alcohol suspension under the stirring state of 60r/min, wherein the adding mass of the coupling agent KH-550 is 40% of the mass of the solid phase C; stirring for 10h at 60r/min after the addition is completed, carrying out solid-liquid separation, washing a solid phase with deionized water, drying to obtain a solid phase D, dispersing the solid phase D in an ethanol solution to obtain an alcohol mixture, wherein the mass ratio of the solid phase D to the solid phase D/ethanol=1:20; placing the alcohol mixture in a nitrogen atmosphere, keeping the temperature of the water bath to 80+/-5 ℃, and then adding potassium ethylxanthate into the alcohol mixture, wherein the adding mass of the potassium ethylxanthate is 1.8 times that of the solid phase D; continuously stirring for 12 hours at the constant temperature of 80+/-5 ℃ and 60r/min in a nitrogen atmosphere after the charging is finished, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying; the dried solid phase is dispersed in N, N-dimethylformamide, and the solid-liquid mass ratio of the solid phase dispersed in the N, N-dimethylformamide is solid/liquid=1:20; then, in a nitrogen atmosphere, the water bath is kept at a constant temperature of 60+/-5 ℃, and then methyl methacrylate and azobisisobutyronitrile are sequentially added, wherein the mass ratio of the added mass of the methyl methacrylate and the azobisisobutyronitrile to the solid phase D is that the mass ratio of the methyl methacrylate: azobisisobutyronitrile: solid phase d=4:0.02:1; and after the addition, preserving the temperature for 12 hours at 60+/-5 ℃ in a nitrogen atmosphere, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying to obtain the modified cerium oxide powder.
Example 4
The preparation method of the environment-friendly high-strength high-wear-resistance cable material for manufacturing the cable sheath comprises the following steps of:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid; the components in parts by weight are as follows: 100 parts of polyvinyl chloride resin, 20 parts of nano attapulgite, 20 parts of cyclohexane-1, 2 dioctyl phthalate, 15 parts of trioctyl phosphite, 35 parts of nitrile rubber powder, 16 parts of alumina powder, 13 parts of light calcium carbonate powder, 20 parts of modified cerium dioxide powder, 10 parts of zinc borate, 0.8 part of dilauryl thiodipropionate, 2 parts of 2, 6-di-tert-butyl-4-methylphenol, 9 parts of vinyl trimethoxy silane, 6 parts of anti-aging agent TPPD, 14 parts of wollastonite powder and 5 parts of stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) And (3) banburying the mixture B at the temperature of 105+/-5 ℃ for 8min, then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 170 ℃, obtaining a cable material finished product, and preparing the cable material finished product into a sheath in the cable manufacturing process, thus obtaining the environment-friendly high-strength high-wear-resistance cable.
The preparation method of the modified cerium oxide powder comprises the following steps:
Preparing aqueous solutions of cerium nitrate and ethylene glycol, wherein the concentration of the cerium nitrate in the aqueous solutions of the cerium nitrate and the ethylene glycol is 5g/100mL, and the volume fraction of the ethylene glycol is 50%; placing the aqueous solution of cerium nitrate and ethylene glycol in a reaction kettle, keeping the temperature of the aqueous bath to 65+/-5 ℃, then stirring the aqueous solution of cerium nitrate and ethylene glycol at 50r/min, and dropwise adding ammonia water into the solution in the stirring process until no precipitation is generated, wherein the mass percentage of solute in the ammonia water is 25%; then sealing the reaction kettle, heating to 120+/-5 ℃ and preserving heat for 4 hours, air-cooling to normal temperature after the heat preservation is finished, opening the reaction kettle, separating solid from liquid, washing a solid phase with ethanol, and drying to obtain a solid phase A;
preparing a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, wherein the concentration of the zinc chloride is 16g/L, the concentration of the antimony chloride is 12g/L, the concentration of the tin chloride is 5g/L, and the solvent is ethanol; soaking the solid phase A in a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, standing for 5min, then carrying out solid-liquid separation, drying the solid phase A for 10min at 100 ℃, and then calcining the solid phase A for 15min at 520 ℃; then air-cooling to normal temperature, soaking the mixture into the composite ethanol solution of zinc chloride, antimony chloride and tin chloride again, standing for 5min, performing solid-liquid separation, drying the solid phase at 100 ℃ for 10min, and calcining the solid phase at 520 ℃ for 15min; repeating the processes of soaking, solid-liquid separation, drying and calcining for 10 groups, calcining for 1h for the last time, and then air-cooling to normal temperature to obtain a solid phase B;
Preparing an aqueous solution of absolute ethyl alcohol, wherein the volume fraction of the absolute ethyl alcohol in the aqueous solution of the absolute ethyl alcohol is 50%; adding the solid phase B into the aqueous solution of the absolute ethyl alcohol, and stirring to form a suspension, wherein the solid-liquid mass ratio of the solid phase B to the aqueous solution of the absolute ethyl alcohol is 1/10; adding isopropyl tri (dioctyl pyrophosphoryl) titanate into the suspension, wherein the adding mass of the isopropyl tri (dioctyl pyrophosphoryl) titanate is 8% of the mass of the solid phase B; after the addition is completed, the suspension is subjected to water bath constant temperature to 55+/-5 ℃, heat preservation is carried out for 60r/min, stirring is carried out for 1h, then filtration and drying are carried out at 60 ℃ to obtain a solid phase C;
Step four, dispersing the solid phase C in ethanol to form an alcohol suspension, wherein the solid-liquid mass ratio of the solid phase C dispersed in ethanol to the solid phase C/ethanol=1:20; adding a coupling agent KH-550 into the alcohol suspension under the stirring state of 60r/min, wherein the adding mass of the coupling agent KH-550 is 40% of the mass of the solid phase C; stirring for 10h at 60r/min after the addition is completed, carrying out solid-liquid separation, washing a solid phase with deionized water, drying to obtain a solid phase D, dispersing the solid phase D in an ethanol solution to obtain an alcohol mixture, wherein the mass ratio of the solid phase D to the solid phase D/ethanol=1:20; placing the alcohol mixture in a nitrogen atmosphere, keeping the temperature of the water bath to 80+/-5 ℃, and then adding potassium ethylxanthate into the alcohol mixture, wherein the adding mass of the potassium ethylxanthate is 2.0 times of that of the solid phase D; continuously stirring for 12 hours at the constant temperature of 80+/-5 ℃ and 60r/min in a nitrogen atmosphere after the charging is finished, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying; the dried solid phase is dispersed in N, N-dimethylformamide, and the solid-liquid mass ratio of the solid phase dispersed in the N, N-dimethylformamide is solid/liquid=1:20; then, in a nitrogen atmosphere, the water bath is kept at a constant temperature of 60+/-5 ℃, and then methyl methacrylate and azobisisobutyronitrile are sequentially added, wherein the mass ratio of the added mass of the methyl methacrylate and the azobisisobutyronitrile to the solid phase D is that the mass ratio of the methyl methacrylate: azobisisobutyronitrile: solid phase d=4:0.02:1; and after the addition, preserving the temperature for 12 hours at 60+/-5 ℃ in a nitrogen atmosphere, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying to obtain the modified cerium oxide powder.
Comparative example 1
A method for preparing a comparative cable material comprising the steps of:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxysilane, an anti-aging agent TPPD, wollastonite powder and stearic acid; the components in parts by weight are as follows: 100 parts of polyvinyl chloride resin, 18 parts of nano attapulgite, 18 parts of cyclohexane-1, 2 dioctyl phthalate, 14 parts of trioctyl phosphite, 30 parts of nitrile rubber powder, 14 parts of alumina powder, 12 parts of light calcium carbonate powder, 8 parts of zinc borate, 0.7 part of dilauryl thiodipropionate, 2 parts of 2, 6-di-tert-butyl-4-methylphenol, 7 parts of vinyl trimethoxy silane, 5 parts of anti-aging agent TPPD, 12 parts of wollastonite powder and 4 parts of stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) And (3) banburying the mixture B at the temperature of 105+/-5 ℃ for 8min, and then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 170 ℃, so as to obtain the finished cable material product of the comparative example.
Comparative example 2
A method for preparing a comparative cable material comprising the steps of:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid; the components in parts by weight are as follows: 100 parts of polyvinyl chloride resin, 18 parts of nano attapulgite, 18 parts of cyclohexane-1, 2 dioctyl phthalate, 14 parts of trioctyl phosphite, 30 parts of nitrile rubber powder, 14 parts of alumina powder, 12 parts of light calcium carbonate powder, 18 parts of cerium dioxide powder, 8 parts of zinc borate, 0.7 part of dilauryl thiodipropionate, 2 parts of 2, 6-di-tert-butyl-4-methylphenol, 7 parts of vinyl trimethoxy silane, 5 parts of anti-aging agent TPPD, 12 parts of wollastonite powder and 4 parts of stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) And (3) banburying the mixture B at the temperature of 105+/-5 ℃ for 8min, and then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 170 ℃, so as to obtain the finished cable material product of the comparative example.
The preparation method of the cerium oxide powder comprises the following steps: preparing aqueous solutions of cerium nitrate and ethylene glycol, wherein the concentration of the cerium nitrate in the aqueous solutions of the cerium nitrate and the ethylene glycol is 4g/100mL, and the volume fraction of the ethylene glycol is 50%; placing the aqueous solution of cerium nitrate and ethylene glycol in a reaction kettle, keeping the temperature of the aqueous bath to 65+/-5 ℃, then stirring the aqueous solution of cerium nitrate and ethylene glycol at 50r/min, and dropwise adding ammonia water into the solution in the stirring process until no precipitation is generated, wherein the mass percentage of solute in the ammonia water is 25%; and then sealing the reaction kettle, heating to 120+/-5 ℃ and preserving heat for 4 hours, air-cooling to normal temperature after the heat preservation is finished, opening the reaction kettle, separating solid from liquid, washing a solid phase with ethanol, and drying to obtain the cerium oxide powder of the comparative example.
Comparative example 3
A method for preparing a comparative cable material comprising the steps of:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid; the components in parts by weight are as follows: 100 parts of polyvinyl chloride resin, 18 parts of nano attapulgite, 18 parts of cyclohexane-1, 2 dioctyl phthalate, 14 parts of trioctyl phosphite, 30 parts of nitrile rubber powder, 14 parts of alumina powder, 12 parts of light calcium carbonate powder, 18 parts of modified cerium dioxide powder, 8 parts of zinc borate, 0.7 part of dilauryl thiodipropionate, 2 parts of 2, 6-di-tert-butyl-4-methylphenol, 7 parts of vinyl trimethoxy silane, 5 parts of anti-aging agent TPPD, 12 parts of wollastonite powder and 4 parts of stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) And (3) banburying the mixture B at the temperature of 105+/-5 ℃ for 8min, and then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 170 ℃, so as to obtain the finished cable material product of the comparative example.
The preparation method of the modified cerium oxide powder comprises the following steps:
Preparing aqueous solutions of cerium nitrate and ethylene glycol, wherein the concentration of the cerium nitrate in the aqueous solutions of the cerium nitrate and the ethylene glycol is 4g/100mL, and the volume fraction of the ethylene glycol is 50%; placing the aqueous solution of cerium nitrate and ethylene glycol in a reaction kettle, keeping the temperature of the aqueous bath to 65+/-5 ℃, then stirring the aqueous solution of cerium nitrate and ethylene glycol at 50r/min, and dropwise adding ammonia water into the solution in the stirring process until no precipitation is generated, wherein the mass percentage of solute in the ammonia water is 25%; then sealing the reaction kettle, heating to 120+/-5 ℃ and preserving heat for 4 hours, air-cooling to normal temperature after the heat preservation is finished, opening the reaction kettle, separating solid from liquid, washing a solid phase with ethanol, and drying to obtain a solid phase A;
Preparing an aqueous solution of absolute ethyl alcohol, wherein the volume fraction of the absolute ethyl alcohol in the aqueous solution of the absolute ethyl alcohol is 50%; adding the solid phase A into the aqueous solution of the absolute ethyl alcohol, and stirring to form a suspension, wherein the solid-liquid mass ratio of the solid phase A to the aqueous solution of the absolute ethyl alcohol is 1/10; adding isopropyl tri (dioctyl pyrophosphoryl) titanate into the suspension, wherein the adding mass of the isopropyl tri (dioctyl pyrophosphoryl) titanate is 7% of the mass of the solid phase A; after the addition, the suspension is subjected to water bath constant temperature to 55+/-5 ℃, heat preservation for 60r/min and stirring for 1h, and then filtration and drying at 60 ℃ are carried out, so that the solid phase C of the comparative example is obtained;
Step three, dispersing the solid phase C in ethanol to form an alcohol suspension, wherein the solid-liquid mass ratio of the solid phase C dispersed in ethanol to the solid phase C/ethanol=1:20; adding a coupling agent KH-550 into the alcohol suspension under the stirring state of 60r/min, wherein the adding mass of the coupling agent KH-550 is 40% of the mass of the solid phase C; stirring for 10h at 60r/min after the addition is completed, carrying out solid-liquid separation, washing a solid phase with deionized water, drying to obtain a solid phase D, dispersing the solid phase D in an ethanol solution to obtain an alcohol mixture, wherein the mass ratio of the solid phase D to the solid phase D/ethanol=1:20; placing the alcohol mixture in a nitrogen atmosphere, keeping the temperature of the water bath to 80+/-5 ℃, and then adding potassium ethylxanthate into the alcohol mixture, wherein the adding mass of the potassium ethylxanthate is 1.8 times that of the solid phase D; continuously stirring for 12 hours at the constant temperature of 80+/-5 ℃ and 60r/min in a nitrogen atmosphere after the charging is finished, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying; the dried solid phase is dispersed in N, N-dimethylformamide, and the solid-liquid mass ratio of the solid phase dispersed in the N, N-dimethylformamide is solid/liquid=1:20; then, in a nitrogen atmosphere, the water bath is kept at a constant temperature of 60+/-5 ℃, and then methyl methacrylate and azobisisobutyronitrile are sequentially added, wherein the mass ratio of the added mass of the methyl methacrylate and the azobisisobutyronitrile to the solid phase D is that the mass ratio of the methyl methacrylate: azobisisobutyronitrile: solid phase d=4:0.02:1; and after the addition, preserving the temperature for 12 hours at 60+/-5 ℃ in a nitrogen atmosphere, then air-cooling to normal temperature, carrying out solid-liquid separation, washing a solid phase with ethanol, and drying to obtain the modified cerium oxide powder of the comparative example.
Comparative example 4
A method for preparing a comparative cable material comprising the steps of:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid; the components in parts by weight are as follows: 100 parts of polyvinyl chloride resin, 18 parts of nano attapulgite, 18 parts of cyclohexane-1, 2 dioctyl phthalate, 14 parts of trioctyl phosphite, 30 parts of nitrile rubber powder, 14 parts of alumina powder, 12 parts of light calcium carbonate powder, 18 parts of modified cerium dioxide powder, 8 parts of zinc borate, 0.7 part of dilauryl thiodipropionate, 2 parts of 2, 6-di-tert-butyl-4-methylphenol, 7 parts of vinyl trimethoxy silane, 5 parts of anti-aging agent TPPD, 12 parts of wollastonite powder and 4 parts of stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) And (3) banburying the mixture B at the temperature of 105+/-5 ℃ for 8min, and then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 170 ℃, so as to obtain the finished cable material product of the comparative example.
The preparation method of the modified cerium oxide powder comprises the following steps:
Preparing aqueous solutions of cerium nitrate and ethylene glycol, wherein the concentration of the cerium nitrate in the aqueous solutions of the cerium nitrate and the ethylene glycol is 4g/100mL, and the volume fraction of the ethylene glycol is 50%; placing the aqueous solution of cerium nitrate and ethylene glycol in a reaction kettle, keeping the temperature of the aqueous bath to 65+/-5 ℃, then stirring the aqueous solution of cerium nitrate and ethylene glycol at 50r/min, and dropwise adding ammonia water into the solution in the stirring process until no precipitation is generated, wherein the mass percentage of solute in the ammonia water is 25%; then sealing the reaction kettle, heating to 120+/-5 ℃ and preserving heat for 4 hours, air-cooling to normal temperature after the heat preservation is finished, opening the reaction kettle, separating solid from liquid, washing a solid phase with ethanol, and drying to obtain a solid phase A;
Preparing a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, wherein the concentration of the zinc chloride in the composite ethanol solution of the zinc chloride, the antimony chloride and the tin chloride is 14g/L, the concentration of the antimony chloride is 10g/L, the concentration of the tin chloride is 4g/L, and the solvent is ethanol; soaking the solid phase A in a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, standing for 5min, then carrying out solid-liquid separation, drying the solid phase A for 10min at 100 ℃, and then calcining the solid phase A for 15min at 520 ℃; then air-cooling to normal temperature, soaking the mixture into the composite ethanol solution of zinc chloride, antimony chloride and tin chloride again, standing for 5min, performing solid-liquid separation, drying the solid phase at 100 ℃ for 10min, and calcining the solid phase at 520 ℃ for 15min; repeating the processes of soaking, solid-liquid separation, drying and calcining for 10 groups, calcining for 1h for the last time, and then air-cooling to normal temperature to obtain a solid phase B;
Preparing an aqueous solution of absolute ethyl alcohol, wherein the volume fraction of the absolute ethyl alcohol in the aqueous solution of the absolute ethyl alcohol is 50%; adding the solid phase B into the aqueous solution of the absolute ethyl alcohol, and stirring to form a suspension, wherein the solid-liquid mass ratio of the solid phase B to the aqueous solution of the absolute ethyl alcohol is 1/10; adding isopropyl tri (dioctyl pyrophosphoryl) titanate into the suspension, wherein the adding mass of the isopropyl tri (dioctyl pyrophosphoryl) titanate is 7% of the mass of the solid phase B; after the addition, the suspension is subjected to water bath constant temperature to 55+/-5 ℃, heat preservation for 60r/min and stirring for 1h, and then filtration and 60 ℃ drying are carried out, so that the modified cerium oxide powder in the comparative example is obtained.
Example 5
The cable materials prepared by the methods of the examples and the comparative examples are respectively prepared into standard samples specified by various test standards according to the national standard GB/T8815-2008, and the material properties of the samples are tested according to the requirements of the national standard GB/T8815-2008, and the tensile strength and the low-temperature embrittlement temperature results are shown in Table 1.
As shown in Table 1, the cable material prepared by the method has good mechanical properties and low temperature resistance, is high in tensile strength and low temperature embrittlement temperature, is suitable for manufacturing wires and cables with high strength requirements, can also be used for manufacturing cables working in a low-temperature environment for a long time, and has a wide application range. Comparative example 3 and each comparative example show that, on the basis of the formulation of the cable material of the present application, the tensile strength and the low-temperature embrittlement temperature are significantly improved after the modified ceria powder is added, which is probably caused by the second-phase strengthening effect of ceria, and the dispersibility of ceria in the matrix material and the wettability of dispersed ceria particles with the matrix are improved by the modification of ceria according to the present application, so that the macroscopic performance is shown as optimization of the mechanical properties and the low-temperature properties of the cable material.
TABLE 1
| Test group | Tensile Strength (MPa) | Low temperature embrittlement temperature (DEG C) |
| Example 1 | 22.8 | -68 |
| Example 2 | 23.2 | -71 |
| Example 3 | 23.4 | -73 |
| Example 4 | 23.7 | -70 |
| Comparative example 1 | 14.5 | -36 |
| Comparative example 2 | 16.9 | -41 |
| Comparative example 3 | 20.1 | -59 |
| Comparative example 4 | 19.3 | -52 |
The foregoing detailed description of the embodiments of the present invention will be provided to those skilled in the art, and the detailed description and the examples should not be construed as limiting the invention.
Claims (5)
1. The preparation method of the environment-friendly high-strength high-wear-resistance cable is characterized by comprising the following steps of:
(1) Weighing each component of the cable material, wherein the components comprise polyvinyl chloride resin, nano attapulgite, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite, nitrile rubber powder, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid; the components are as follows according to parts by weight: 100 parts of polyvinyl chloride resin, 10-20 parts of nano attapulgite, 15-20 parts of dioctyl cyclohexane-1, 2-diformate, 10-15 parts of trioctyl phosphite, 25-35 parts of nitrile rubber powder, 10-16 parts of alumina powder, 10-13 parts of light calcium carbonate powder, 12-20 parts of modified cerium oxide powder, 5-10 parts of zinc borate, 0.5-0.8 part of dilauryl thiodipropionate, 1-2 parts of 2, 6-di-tert-butyl-4-methylphenol, 5-9 parts of vinyl trimethoxy silane, 3-6 parts of anti-aging agent TPPD, 10-14 parts of wollastonite powder and 2-5 parts of stearic acid;
(2) Uniformly mixing polyvinyl chloride resin, cyclohexane-1, 2 dioctyl phthalate, trioctyl phosphite and nitrile rubber powder in a mixer within the temperature range of 50+/-5 ℃ to obtain a mixture A;
(3) The temperature of the mixture A is increased to 75+/-5 ℃, then nano attapulgite, alumina powder, light calcium carbonate powder, modified cerium oxide powder, zinc borate, dilauryl thiodipropionate, 2, 6-di-tert-butyl-4-methylphenol, vinyl trimethoxy silane, an anti-aging agent TPPD, wollastonite powder and stearic acid are added into the mixture A, and the mixture B is obtained after the addition is completed and stirred uniformly;
(4) Banburying the mixture B at 100-110 ℃ for 7-10 min, then carrying out mixing granulation in an extruder, wherein the extrusion temperature is 150-180 ℃ to obtain a cable material finished product, and preparing the cable material finished product into a sheath in the cable manufacturing process to obtain the environment-friendly high-strength high-wear-resistance cable;
the preparation method of the modified cerium oxide powder comprises the following steps:
Preparing aqueous solutions of cerium nitrate and ethylene glycol, placing the aqueous solutions of cerium nitrate and ethylene glycol in a reaction kettle, keeping the temperature of the aqueous baths to 65+/-5 ℃, stirring the aqueous solutions of cerium nitrate and ethylene glycol, dropwise adding ammonia water into the solutions in the stirring process until no precipitation is generated, sealing the reaction kettle, heating to 120+/-5 ℃, preserving heat for 4-5 hours, air-cooling to normal temperature after the heat preservation is finished, opening the reaction kettle, separating solid from liquid, washing a solid phase with ethanol, and drying to obtain a solid phase A;
Preparing a composite ethanol solution of zinc chloride, antimony chloride and tin chloride, soaking the solid phase A in the composite ethanol solution of zinc chloride, antimony chloride and tin chloride, standing for 5-6 min, performing solid-liquid separation, drying the solid phase in an environment of 100-120 ℃ for more than 10min, and calcining in an environment of 500-550 ℃ for more than 15 min; then air-cooling to normal temperature, soaking the mixture into the composite ethanol solution of zinc chloride, antimony chloride and tin chloride again, standing for 5-6 min, performing solid-liquid separation, drying the solid phase at 100-120 ℃ for more than 10min, and calcining at 500-550 ℃ for more than 15 min; repeating the processes of soaking, solid-liquid separation, drying and calcining for 10-12 groups, calcining for 1-2 hours for the last time, and then air-cooling to normal temperature to obtain a solid phase B;
Preparing an aqueous solution of absolute ethyl alcohol, adding the solid phase B into the aqueous solution of absolute ethyl alcohol, stirring to form a suspension, adding isopropyl tri (dioctyl pyrophosphoryl) titanate into the suspension, keeping the temperature of the suspension in a water bath to 55+/-5 ℃ after the addition is finished, keeping the temperature and stirring for more than 1 hour, filtering, and drying at 60 ℃ to obtain a solid phase C;
Dispersing the solid phase C in ethanol to form an alcohol suspension, adding a coupling agent KH-550 into the alcohol suspension in a stirring state, continuing stirring for more than 10 hours after the addition, carrying out solid-liquid separation, washing the solid phase by deionized water, drying to obtain a solid phase D, dispersing the solid phase D in an ethanol solution to obtain an alcohol mixture, placing the alcohol mixture in a nitrogen atmosphere, keeping the temperature of a water bath to 80+/-5 ℃, then adding potassium ethylxanthate into the alcohol mixture, continuing stirring for more than 12 hours at the constant temperature of 80+/-5 ℃ in the nitrogen atmosphere after the addition is finished, then carrying out air cooling to normal temperature, carrying out solid-liquid separation, washing the solid phase by ethanol, and drying; dispersing the dried solid phase in N, N-dimethylformamide, then carrying out water bath constant temperature to 60+/-5 ℃ in a nitrogen atmosphere, sequentially adding methyl methacrylate and azodiisobutyronitrile, carrying out heat preservation for more than 12 hours at 60+/-5 ℃ in the nitrogen atmosphere after the addition, then carrying out air cooling to normal temperature, carrying out solid-liquid separation, washing the solid phase with ethanol, and drying to obtain the modified cerium oxide powder.
2. The method for preparing the environment-friendly high-strength high-wear-resistance cable according to claim 1, wherein the concentration of cerium nitrate in the aqueous solution of cerium nitrate and ethylene glycol is 3-5 g/100mL, and the volume fraction of the ethylene glycol is 50%; the mass percentage of the solute in the ammonia water is 25%.
3. The preparation method of the environment-friendly high-strength high-wear-resistance cable according to claim 1, wherein in the composite ethanol solution of zinc chloride, antimony chloride and tin chloride, the concentration of the zinc chloride is 10-16 g/L, the concentration of the antimony chloride is 8-12 g/L, the concentration of the tin chloride is 3-5 g/L, and the solvent is ethanol.
4. The method for preparing the environment-friendly high-strength high-wear-resistance cable according to claim 1, wherein in the third step, the volume fraction of the absolute ethyl alcohol in the aqueous solution of the absolute ethyl alcohol is 50%; the solid-liquid mass ratio of the solid phase B to the aqueous solution of the absolute ethyl alcohol=1/10, and the adding mass of the isopropyl tri (dioctyl pyrophosphoryloxy) titanate is 5-8% of the solid phase B.
5. The method for preparing an environment-friendly high-strength and high-wear-resistance cable according to claim 1, wherein in the fourth step, the solid-liquid mass ratio of the solid phase C dispersed in ethanol is solid phase C/ethanol=1:20; the adding mass of the coupling agent KH-550 is 30% -40% of the mass of the solid phase C; the solid-liquid mass ratio of the solid phase D dispersed in the ethanol solution is 1:20; the added mass of the potassium ethylxanthate is 1.6-2.0 times of the mass of the solid phase D; the solid-liquid mass ratio of the dried solid phase dispersed in the N, N-dimethylformamide is solid/liquid=1:20; the mass ratio of the added mass of the methyl methacrylate and the azodiisobutyronitrile to the solid phase D is that the methyl methacrylate: azobisisobutyronitrile: solid phase d=3 to 4:0.01 to 0.02:1.
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