CN105384980A - High strength high flame-retardant cable sheath material and preparing method and application thereof - Google Patents
High strength high flame-retardant cable sheath material and preparing method and application thereof Download PDFInfo
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- CN105384980A CN105384980A CN201511024578.1A CN201511024578A CN105384980A CN 105384980 A CN105384980 A CN 105384980A CN 201511024578 A CN201511024578 A CN 201511024578A CN 105384980 A CN105384980 A CN 105384980A
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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
- C08L7/00—Compositions of natural rubber
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- 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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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Abstract
The invention discloses a high strength high flame-retardant cable sheath material and a preparing method and application thereof. Raw materials of the high strength high flame-retardant cable sheath material comprise quartz powder, a fire retardant, natural rubber, chlorosulfonated polyethylene, ethylene-propylene-diene monomer, chloroprene rubber, a bulking agent CPE-g-MAH, a polyolefin and polyvinyl chloride function modifier, carbon black, precipitation method white carbon black, a stabilizer, calcium carbonate, triethanolamine, a vulcanizing agent, an antiager, antimonous oxide and stearic acid. Raw materials of the bulking agent CPE-g-MAH comprise chlorinated polyethylene, maleic anhydride and oxide diisopropylbenzene. By reasonably adding internal components of the sheath material and controlling the ratio among the internal components, the prepared material is excellent in flame-retardant performance, has low toxicity and low corrosion, and well electrical performance, has good softness, high impact resistance, high crosslinking density, higher tensile strength, good physical and mechanical properties, stable properties, long service life, easiness in mixing of a sizing material and capability of greatly improving the performance of the sizing material.
Description
Technical field
The present invention relates to cable material technical field, specifically a kind of high-intensity high flame-proof cable jacket material and its preparation method and application.
Background technology
Cable, normally by the cable of several or the stranded similar rope of several groups of wires (often organizing at least two), often organize mutually insulated between wire, and be often twisted into round a center, whole outside is surrounded by the tectum of high-insulation.Cable has interior energising, the feature of external insulation.Along with developing rapidly of economy, electric wire is all widely used in industry-by-industry, field.
The cable of at least two stranded similar ropes normally often organized by cable by several or several groups of wires, often organize mutually insulated between wire, and be often twisted into round a center, whole outside is surrounded by the restrictive coating of high-insulation, live and investment environment to protect town and country, reduce the object that overhead power cable transmitting line reaches beautifying city, power cable transmission line from built on stilts enter buried, the underground of cable has high requirement to the tear strength of cable outer layer sheath and wear resisting property, along with cable duration of service prolongation and limit its poor radiation by cable parking space.
In addition, along with the development of open coal mine and Underground Mine electric coal winning machine tool, also more strict to the performance requriements of mine cable, not only require that the insulation layer of cable has excellent electric property, require that sheath material gathers around excellent physical and mechanical properties simultaneously, as high in tensile strength, elongation at break; Furthermore, in mine, inevitably there is methane gas, there is the danger of combustion explosion, need in mining well to lay large numbers of various cable to provide electric energy, to control signal and monitoring, require cable sheath to have difficult combustion and do not prolong the performance of combustion.
Summary of the invention
The object of the present invention is to provide a kind of good resistance to low temperature and high-intensity high flame-proof cable jacket material of strong operability and its preparation method and application, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of high-intensity high flame-proof cable jacket material, be made up of the following raw material according to weight part: silica powder 30-40 part, fire retardant 25-30 part, natural rubber 20-25 part, chlorosulfonated polyethylene 15-20 part, terpolymer EP rubber 15-20 part, chloroprene rubber 15-20 part, expanding material CPE-g-MAH6-10 part, polyolefine and polyvinyl chloride functional modifier 7-9 part, carbon black 6-8 part, precipitated silica 6-8 part, stablizer 4-8 part, calcium carbonate 3-5 part, trolamine 2-4 part, vulcanizing agent 2-4 part, anti-aging agent 1-2 part, antimonous oxide 1-2 part, stearic acid 0.4-0.6 part.
As the further scheme of the present invention: described high-intensity high flame-proof cable jacket material, be made up of the following raw material according to weight part: silica powder 32-38 part, fire retardant 26-29 part, natural rubber 21-24 part, chlorosulfonated polyethylene 16-19 part, terpolymer EP rubber 16-19 part, chloroprene rubber 16-19 part, expanding material CPE-g-MAH7-9 part, polyolefine and polyvinyl chloride functional modifier 7.5-8.5 part, carbon black 6.5-7.5 part, precipitated silica 6.5-7.5 part, stablizer 5-7 part, calcium carbonate 3.5-4.5 part, trolamine 2.5-3.5 part, vulcanizing agent 2.5-3.5 part, anti-aging agent 1.2-1.8 part, antimonous oxide 1.2-1.8 part, stearic acid 0.45-0.55 part.
As the further scheme of the present invention: described high-intensity high flame-proof cable jacket material, is made up of the following raw material according to weight part: silica powder 35 parts, fire retardant 28 parts, natural rubber 22 parts, chlorosulfonated polyethylene 18 parts, terpolymer EP rubber 18 parts, chloroprene rubber 18 parts, expanding material CPE-g-MAH8 part, polyolefine and polyvinyl chloride functional modifier 8 parts, carbon black 7 parts, precipitated silica 7 parts, stablizer 6 parts, 4 parts, calcium carbonate, trolamine 3 parts, vulcanizing agent 3 parts, 1.5 parts, anti-aging agent, antimonous oxide 1.5 parts, stearic acid 0.5 part.
As the further scheme of the present invention: described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 90-110 part, maleic anhydride 6-10 part, oxidation diisopropylbenzene(DIPB) 0.5-0.7 part.
As the further scheme of the present invention: described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 95-105 part, maleic anhydride 7-9, oxidation diisopropylbenzene(DIPB) 0.55-0.65 part.
As the further scheme of the present invention: described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 100 parts, maleic anhydride 8 parts, oxidation diisopropylbenzene(DIPB) 0.6 part.
The preparation method of described high-intensity high flame-proof cable jacket material, is made up of following steps:
(1) each raw material is taken according to weight part;
(2) chlorinatedpolyethylene, maleic anhydride and oxidation diisopropylbenzene(DIPB) is evenly mixing in two roller mill, chlorinated Polyethylene Blends is added temperature is 140-160 DEG C, rotating speed is carry out melting graft reaction in the torque rheometer of 25-45r/min, obtain expanding material CPE-g-MAH;
(3) open Banbury mixer and be preheated to 55-60 DEG C, chloroprene rubber, natural rubber and terpolymer EP rubber are dropped into banburying 1-2min in Banbury mixer, when temperature rises to 75-80 DEG C, dropping into chlorosulfonated polyethylene carry out banburying 3-4min and obtain major ingredient;
(4) in described Banbury mixer, add described polyolefine and the mixing 2-3min of polyvinyl chloride functional modifier, calcium carbonate, anti-aging agent, trolamine, antimonous oxide and stearic acid again;
(5) in described Banbury mixer, silica powder, fire retardant, expanding material CPE-g-MAH, carbon black, precipitated silica and stablizer is added again, form glue stuff compounding after mixing 1-2min, this glue stuff compounding is discharged from Banbury mixer when temperature reaches 90-100 DEG C;
(6) the described glue stuff compounding of discharging thin-pass 1-2 time on a mill until, and put glue 2-3 time, then roll on tri-roll press machine, do not open bar slice;
(7) the glue stuff compounding room temperature after calendering deposits 8-10h, and then put into mixer mixing, add described vulcanizing agent when melting temperature reaches 100-120 DEG C, then mixing 0.5-1.5min, then discharges glue stuff compounding;
(8) this glue stuff compounding thin-pass 1-2 time on a mill until, and put glue 2-3 time, then on tri-roll press machine, open bar slice, the rubber page of output cools through cooling roller, after crossing talcum powder case, i.e. and obtained finished product.
As the present invention's further scheme: the application in cable material prepared by described high-intensity high flame-proof cable jacket material.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is by rationally adding the internal composition controlling sheath material and the proportioning controlled between internal composition, obtained Flame Retardancy can be excellent, there is low toxicity and low corrosion performance and good electric property, have that softness is good, shock resistance is strong, cross-linking density is high, tensile strength is higher, physical and mechanical properties is good, stable performance, long service life, rubber compounding is easy, and greatly can improve properties of rubber.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of high-intensity high flame-proof cable jacket material, is made up of the following raw material according to weight part: silica powder 30 parts, fire retardant 25 parts, natural rubber 20 parts, chlorosulfonated polyethylene 15 parts, terpolymer EP rubber 15 parts, chloroprene rubber 15 parts, expanding material CPE-g-MAH6 part, polyolefine and polyvinyl chloride functional modifier 7 parts, carbon black 6 parts, precipitated silica 6 parts, stablizer 4 parts, 3 parts, calcium carbonate, trolamine 2 parts, vulcanizing agent 2 parts, 1 part, anti-aging agent, antimonous oxide 1 part, stearic acid 0.4 part; Described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 90 parts, maleic anhydride 6 parts, oxidation diisopropylbenzene(DIPB) 0.5 part.
The preparation method of described high-intensity high flame-proof cable jacket material, is made up of following steps:
(1) each raw material is taken according to weight part;
(2) chlorinatedpolyethylene, maleic anhydride and oxidation diisopropylbenzene(DIPB) is evenly mixing in two roller mill, chlorinated Polyethylene Blends is added temperature is 140 DEG C, rotating speed is carry out melting graft reaction in the torque rheometer of 25r/min, obtain expanding material CPE-g-MAH;
(3) open Banbury mixer and be preheated to 55 DEG C, chloroprene rubber, natural rubber and terpolymer EP rubber are dropped into banburying 1min in Banbury mixer, when temperature rises to 75 DEG C, dropping into chlorosulfonated polyethylene carry out banburying 3min and obtain major ingredient;
(4) in described Banbury mixer, add described polyolefine and the mixing 2min of polyvinyl chloride functional modifier, calcium carbonate, anti-aging agent, trolamine, antimonous oxide and stearic acid again;
(5) in described Banbury mixer, add silica powder, fire retardant, expanding material CPE-g-MAH, carbon black, precipitated silica and stablizer again, form glue stuff compounding after mixing 1min, this glue stuff compounding is discharged from Banbury mixer when temperature reaches 90 DEG C;
(6) the described glue stuff compounding of discharging thin-pass 1 time on a mill until, and put glue 2 times, then roll on tri-roll press machine, do not open bar slice;
(7) the glue stuff compounding room temperature after calendering deposits 8h, and then put into mixer mixing, add described vulcanizing agent when melting temperature reaches 100 DEG C, then mixing 0.5min, then discharges glue stuff compounding;
(8) this glue stuff compounding thin-pass 1 time on a mill until, and put glue 2 times, then on tri-roll press machine, open bar slice, the rubber page of output cools through cooling roller, after crossing talcum powder case, i.e. and obtained finished product.
Embodiment 2
In the embodiment of the present invention, a kind of high-intensity high flame-proof cable jacket material, is made up of the following raw material according to weight part: silica powder 35 parts, fire retardant 28 parts, natural rubber 22 parts, chlorosulfonated polyethylene 18 parts, terpolymer EP rubber 18 parts, chloroprene rubber 18 parts, expanding material CPE-g-MAH8 part, polyolefine and polyvinyl chloride functional modifier 8 parts, carbon black 7 parts, precipitated silica 7 parts, stablizer 6 parts, 4 parts, calcium carbonate, trolamine 3 parts, vulcanizing agent 3 parts, 1.5 parts, anti-aging agent, antimonous oxide 1.5 parts, stearic acid 0.5 part; Described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 100 parts, maleic anhydride 8 parts, oxidation diisopropylbenzene(DIPB) 0.6 part.
The preparation method of described high-intensity high flame-proof cable jacket material, is made up of following steps:
(1) each raw material is taken according to weight part;
(2) chlorinatedpolyethylene, maleic anhydride and oxidation diisopropylbenzene(DIPB) is evenly mixing in two roller mill, chlorinated Polyethylene Blends is added temperature is 150 DEG C, rotating speed is carry out melting graft reaction in the torque rheometer of 35r/min, obtain expanding material CPE-g-MAH;
(3) open Banbury mixer and be preheated to 58 DEG C, chloroprene rubber, natural rubber and terpolymer EP rubber are dropped into banburying 1.5min in Banbury mixer, when temperature rises to 78 DEG C, dropping into chlorosulfonated polyethylene carry out banburying 3.5min and obtain major ingredient;
(4) in described Banbury mixer, add described polyolefine and the mixing 2.5min of polyvinyl chloride functional modifier, calcium carbonate, anti-aging agent, trolamine, antimonous oxide and stearic acid again;
(5) in described Banbury mixer, add silica powder, fire retardant, expanding material CPE-g-MAH, carbon black, precipitated silica and stablizer again, form glue stuff compounding after mixing 1.5min, this glue stuff compounding is discharged from Banbury mixer when temperature reaches 95 DEG C;
(6) the described glue stuff compounding of discharging thin-pass 2 times on a mill until, and put glue 3 times, then roll on tri-roll press machine, do not open bar slice;
(7) the glue stuff compounding room temperature after calendering deposits 9h, and then put into mixer mixing, add described vulcanizing agent when melting temperature reaches 110 DEG C, then mixing 1min, then discharges glue stuff compounding;
(8) this glue stuff compounding thin-pass 2 times on a mill until, and put glue 3 times, then on tri-roll press machine, open bar slice, the rubber page of output cools through cooling roller, after crossing talcum powder case, i.e. and obtained finished product.
Embodiment 3
In the embodiment of the present invention, a kind of high-intensity high flame-proof cable jacket material, is made up of the following raw material according to weight part: silica powder 40 parts, fire retardant 30 parts, natural rubber 25 parts, chlorosulfonated polyethylene 20 parts, terpolymer EP rubber 20 parts, chloroprene rubber 20 parts, expanding material CPE-g-MAH10 part, polyolefine and polyvinyl chloride functional modifier 9 parts, carbon black 8 parts, precipitated silica 8 parts, stablizer 8 parts, 5 parts, calcium carbonate, trolamine 4 parts, vulcanizing agent 4 parts, 2 parts, anti-aging agent, antimonous oxide 2 parts, stearic acid 0.6 part; Described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 110 parts, maleic anhydride 10 parts, oxidation diisopropylbenzene(DIPB) 0.7 part.
The preparation method of described high-intensity high flame-proof cable jacket material, is made up of following steps:
(1) each raw material is taken according to weight part;
(2) chlorinatedpolyethylene, maleic anhydride and oxidation diisopropylbenzene(DIPB) is evenly mixing in two roller mill, chlorinated Polyethylene Blends is added temperature is 160 DEG C, rotating speed is carry out melting graft reaction in the torque rheometer of 45r/min, obtain expanding material CPE-g-MAH;
(3) open Banbury mixer and be preheated to 60 DEG C, chloroprene rubber, natural rubber and terpolymer EP rubber are dropped into banburying 2min in Banbury mixer, when temperature rises to 80 DEG C, dropping into chlorosulfonated polyethylene carry out banburying 4min and obtain major ingredient;
(4) in described Banbury mixer, add described polyolefine and the mixing 3min of polyvinyl chloride functional modifier, calcium carbonate, anti-aging agent, trolamine, antimonous oxide and stearic acid again;
(5) in described Banbury mixer, add silica powder, fire retardant, expanding material CPE-g-MAH, carbon black, precipitated silica and stablizer again, form glue stuff compounding after mixing 2min, this glue stuff compounding is discharged from Banbury mixer when temperature reaches 100 DEG C;
(6) the described glue stuff compounding of discharging thin-pass 1 time on a mill until, and put glue 2 times, then roll on tri-roll press machine, do not open bar slice;
(7) the glue stuff compounding room temperature after calendering deposits 10h, and then put into mixer mixing, add described vulcanizing agent when melting temperature reaches 120 DEG C, then mixing 1.5min, then discharges glue stuff compounding;
(8) this glue stuff compounding thin-pass 1 time on a mill until, and put glue 2 times, then on tri-roll press machine, open bar slice, the rubber page of output cools through cooling roller, after crossing talcum powder case, i.e. and obtained finished product.
Embodiment 4
In the embodiment of the present invention, a kind of high-intensity high flame-proof cable jacket material, is made up of the following raw material according to weight part: silica powder 32 parts, fire retardant 26 parts, natural rubber 21 parts, chlorosulfonated polyethylene 16 parts, terpolymer EP rubber 16 parts, chloroprene rubber 16 parts, expanding material CPE-g-MAH7 part, polyolefine and polyvinyl chloride functional modifier 7.5 parts, carbon black 6.5 parts, precipitated silica 6.5 parts, stablizer 5 parts, 3.5 parts, calcium carbonate, trolamine 2.5 parts, vulcanizing agent 2.5 parts, 1.2 parts, anti-aging agent, antimonous oxide 1.2 parts, stearic acid 0.45 part; Described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 95 parts, maleic anhydride 7 parts, oxidation diisopropylbenzene(DIPB) 0.55 part.
Preparation process is consistent with embodiment 2.
Embodiment 5
In the embodiment of the present invention, a kind of high-intensity high flame-proof cable jacket material, is made up of the following raw material according to weight part: silica powder 38 parts, fire retardant 29 parts, natural rubber 24 parts, chlorosulfonated polyethylene 19 parts, terpolymer EP rubber 19 parts, chloroprene rubber 19 parts, expanding material CPE-g-MAH9 part, polyolefine and polyvinyl chloride functional modifier 8.5 parts, carbon black 7.5 parts, precipitated silica 7.5 parts, stablizer 7 parts, 4.5 parts, calcium carbonate, trolamine 3.5 parts, vulcanizing agent 3.5 parts, 1.8 parts, anti-aging agent, antimonous oxide 1.8 parts, stearic acid 0.55 part; Described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 105 parts, maleic anhydride 9, oxidation diisopropylbenzene(DIPB) 0.65 part.
Preparation process is consistent with embodiment 2.
Comparative example 1
Except not containing except polyolefine and polyvinyl chloride functional modifier, all the other formulas are consistent with preparation process and embodiment 5.
Comparative example 2
Except not containing except chlorosulfonated polyethylene, all the other formulas are consistent with preparation process and embodiment 5.
Comparative example 3
Except not containing except chlorosulfonated polyethylene, polyolefine and polyvinyl chloride functional modifier, all the other formulas are consistent with preparation process and embodiment 5.
High-intensity high flame-proof cable jacket material prepared by this example 1-5 and comparative example 1-3, the detection data of performance are as shown in table 1.
Table 1
Aging condition: 100 ± 2 DEG C × 168 hours.
As can be seen from Table 1, the material oxygen index that embodiment of the present invention 1-5 obtains is greater than 35, and smoke density is less than 300, and hydrogen halide burst size is less than 90, and poison exponent is less than 5, has good flame retardant properties; After weathering test, its tensile strength and elongation at break change less.Embodiment 5 is compared with comparative example 1-3, and known the present invention is worked under the acting in conjunction of each component.
Carry out resistance to torsion test after the high-intensity high flame-proof cable jacket material of embodiment 5 gained is used as wind energy cable sheath, the performance value obtained is as shown in table 2 below.Known, resistance to low temperature of the present invention and resistance to twisting property splendid.
Table 2
The present invention is by rationally adding the internal composition controlling sheath material and the proportioning controlled between internal composition, obtained Flame Retardancy can be excellent, there is low toxicity and low corrosion performance and good electric property, have that softness is good, shock resistance is strong, cross-linking density is high, tensile strength is higher, physical and mechanical properties is good, stable performance, long service life, rubber compounding is easy, and greatly can improve properties of rubber.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. a high-intensity high flame-proof cable jacket material, it is characterized in that, be made up of the following raw material according to weight part: silica powder 30-40 part, fire retardant 25-30 part, natural rubber 20-25 part, chlorosulfonated polyethylene 15-20 part, terpolymer EP rubber 15-20 part, chloroprene rubber 15-20 part, expanding material CPE-g-MAH6-10 part, polyolefine and polyvinyl chloride functional modifier 7-9 part, carbon black 6-8 part, precipitated silica 6-8 part, stablizer 4-8 part, calcium carbonate 3-5 part, trolamine 2-4 part, vulcanizing agent 2-4 part, anti-aging agent 1-2 part, antimonous oxide 1-2 part, stearic acid 0.4-0.6 part.
2. high-intensity high flame-proof cable jacket material according to claim 1, it is characterized in that, be made up of the following raw material according to weight part: silica powder 32-38 part, fire retardant 26-29 part, natural rubber 21-24 part, chlorosulfonated polyethylene 16-19 part, terpolymer EP rubber 16-19 part, chloroprene rubber 16-19 part, expanding material CPE-g-MAH7-9 part, polyolefine and polyvinyl chloride functional modifier 7.5-8.5 part, carbon black 6.5-7.5 part, precipitated silica 6.5-7.5 part, stablizer 5-7 part, calcium carbonate 3.5-4.5 part, trolamine 2.5-3.5 part, vulcanizing agent 2.5-3.5 part, anti-aging agent 1.2-1.8 part, antimonous oxide 1.2-1.8 part, stearic acid 0.45-0.55 part.
3. high-intensity high flame-proof cable jacket material according to claim 1, it is characterized in that, be made up of the following raw material according to weight part: silica powder 35 parts, fire retardant 28 parts, natural rubber 22 parts, chlorosulfonated polyethylene 18 parts, terpolymer EP rubber 18 parts, chloroprene rubber 18 parts, expanding material CPE-g-MAH8 part, polyolefine and polyvinyl chloride functional modifier 8 parts, carbon black 7 parts, precipitated silica 7 parts, stablizer 6 parts, 4 parts, calcium carbonate, trolamine 3 parts, vulcanizing agent 3 parts, 1.5 parts, anti-aging agent, antimonous oxide 1.5 parts, stearic acid 0.5 part.
4. according to the arbitrary described high-intensity high flame-proof cable jacket material of claim 1-3, it is characterized in that, described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 90-110 part, maleic anhydride 6-10 part, oxidation diisopropylbenzene(DIPB) 0.5-0.7 part.
5. according to the arbitrary described high-intensity high flame-proof cable jacket material of claim 4, it is characterized in that, described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 95-105 part, maleic anhydride 7-9, oxidation diisopropylbenzene(DIPB) 0.55-0.65 part.
6. according to the arbitrary described high-intensity high flame-proof cable jacket material of claim 4, it is characterized in that, described expanding material CPE-g-MAH is made up of the following raw material according to weight part: chlorinatedpolyethylene 100 parts, maleic anhydride 8 parts, oxidation diisopropylbenzene(DIPB) 0.6 part.
7. a preparation method for the high-intensity high flame-proof cable jacket material as described in as arbitrary in claim 1-3, is characterized in that, be made up of following steps:
(1) each raw material is taken according to weight part;
(2) chlorinatedpolyethylene, maleic anhydride and oxidation diisopropylbenzene(DIPB) is evenly mixing in two roller mill, chlorinated Polyethylene Blends is added temperature is 140-160 DEG C, rotating speed is carry out melting graft reaction in the torque rheometer of 25-45r/min, obtain expanding material CPE-g-MAH;
(3) open Banbury mixer and be preheated to 55-60 DEG C, chloroprene rubber, natural rubber and terpolymer EP rubber are dropped into banburying 1-2min in Banbury mixer, when temperature rises to 75-80 DEG C, dropping into chlorosulfonated polyethylene carry out banburying 3-4min and obtain major ingredient;
(4) in described Banbury mixer, add described polyolefine and the mixing 2-3min of polyvinyl chloride functional modifier, calcium carbonate, anti-aging agent, trolamine, antimonous oxide and stearic acid again;
(5) in described Banbury mixer, add silica powder, fire retardant, expanding material CPE-g-MAH, carbon black, precipitated silica and stablizer again, form glue stuff compounding after mixing 1-2min, this glue stuff compounding is discharged from Banbury mixer when temperature reaches 90-100 DEG C;
(6) the described glue stuff compounding of discharging thin-pass 1-2 time on a mill until, and put glue 2-3 time, then roll on tri-roll press machine, do not open bar slice;
(7) the glue stuff compounding room temperature after calendering deposits 8-10h, and then put into mixer mixing, add described vulcanizing agent when melting temperature reaches 100-120 DEG C, then mixing 0.5-1.5min, then discharges glue stuff compounding;
(8) this glue stuff compounding thin-pass 1-2 time on a mill until, and put glue 2-3 time, then on tri-roll press machine, open bar slice, the rubber page of output cools through cooling roller, after crossing talcum powder case, i.e. and obtained finished product.
8. preparing the application in cable material according to the arbitrary described high-intensity high flame-proof cable jacket material of claim 1-3.
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| CN108586958A (en) * | 2018-05-02 | 2018-09-28 | 上海利物盛企业集团有限公司 | A kind of fire-retardant resistance to torsion sheath rubber of wind-power electricity generation flexible cable |
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| CN113307087A (en) * | 2021-05-28 | 2021-08-27 | 安徽杰蓝特新材料有限公司 | High-flame-retardancy MPP power cable pipe and processing technology thereof |
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| CN108586958A (en) * | 2018-05-02 | 2018-09-28 | 上海利物盛企业集团有限公司 | A kind of fire-retardant resistance to torsion sheath rubber of wind-power electricity generation flexible cable |
| CN109851927A (en) * | 2019-02-28 | 2019-06-07 | 陕西省石油化工研究设计院 | A kind of heat-resisting composite shock-absorbing of resistance to weather rubber material |
| CN113307087A (en) * | 2021-05-28 | 2021-08-27 | 安徽杰蓝特新材料有限公司 | High-flame-retardancy MPP power cable pipe and processing technology thereof |
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