CN105820390A - High-water-resistance material for cable insulation - Google Patents
High-water-resistance material for cable insulation Download PDFInfo
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- CN105820390A CN105820390A CN201610251664.4A CN201610251664A CN105820390A CN 105820390 A CN105820390 A CN 105820390A CN 201610251664 A CN201610251664 A CN 201610251664A CN 105820390 A CN105820390 A CN 105820390A
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- cable insulation
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a high-water-resistance material for cable insulation, relating to the technical field of cable insulation materials. The high-water-resistance material is mainly prepared from styrene-butadiene rubber, nano organosilicon, tridecafluorooctyltriethoxy silane, sodium antimonate, boehmite, kaolin, aerated carbon black, an anti-aging agent 4030, an anti-aging agent NBC, magnesium hexafluorosilicate hexahydrate, benzoperoxide, an accelerator TBTD, lead protoxide, naphthenic oil and liquid polysulfide rubber. The main raw material styrene-butadiene rubber adopted by the material for cable insulation has favorable heat resistance, aging resistance and wear resistance. By matching the liquid polysulfide rubber, nano organosilicon, tridecafluorooctyltriethoxy silane, magnesium hexafluorosilicate hexahydrate, sodium antimonate, boehmite and the other components, the produced material has excellent water resistance, flame retardancy and weather resistance, is applicable to various environments, and has the advantages of high applicability and long service life.
Description
Technical field
The present invention relates to cable insulation material technical field, the cable insulation material of a kind of water-tolerant.
Background technology
Wires and cables industry is the important supporting industry of electric power and the two big pillar industries in national economy that communicate, extremely important status is had in national economy, wherein industry production total amount accounts for the 4 ‰ to 5 ‰ of the total GDP in the whole nation, electric wire product plays the conveying energy, the important function of transmission information, is national economy " blood vessel " and " neural ".
It is more that cable mainly makees insulator with rubber or plastics, and existing cable is at the initial stage of use, and various performances are the most excellent, but, in use for some time, insulating barrier will occur aging, greatly reduces the performance of cable.And along with the development of science and technology, cable insulation being it is also proposed higher requirement, existing cable insulation material can not meet requirement.
Summary of the invention
The invention aims to make up the deficiencies in the prior art, it is provided that the cable insulation material of a kind of water-tolerant.
It is an object of the invention to be achieved through the following technical solutions:
The cable insulation material of a kind of water-tolerant, is made up of following raw material: butadiene-styrene rubber 120-140, nano-organosilicon 3-5, tridecafluoro-n-octyltriethoxysilane 1-3, sodium metaantimonate 2-4, boehmite 8-12, Kaolin 5-7, mixed gas carbon black 3-5, age resistor 40301-2, antioxidant NBC 1-2, Magnesium silicon hexafluoride hexahydrate 1-3, benzoyl peroxide 1-2, accelerator TBTD1-2, lead monoxide 1-2, naphthenic oil 3-5, liquid polysulfide rubber 4-6.
The preparation method of the cable insulation material of a kind of water-tolerant, is made up of following steps:
(1) each raw material is weighed by weight；
(2) by butadiene-styrene rubber, liquid polysulfide rubber mixing, send in mill, add lead monoxide, naphthenic oil, at 65-75 DEG C mixing 4-6 minute, then add Magnesium silicon hexafluoride hexahydrate and nano-organosilicon, at 70-80 DEG C mixing 3-5 minute, it is cooled to room temperature, obtains material A；
(3) by boehmite, Kaolin, mixed gas carbon black mixing, pulverize, cross 80-120 mesh sieve, be subsequently adding tridecafluoro-n-octyltriethoxysilane, dispersed with stirring 6-9 minute under the rotating speed of 500-800 rev/min, obtain material B；
(4) material A step (2) obtained is sent in high-speed mixer together with benzoyl peroxide, age resistor 4030, antioxidant NBC, accelerator TBTD, high-speed stirred 3-5 minute, is then fed into stirring at low speed 7-9 minute in cold mixer and obtains material C；
(5) material C step (4) prepared sends into together with other residue composition and material B and mixes in high-speed mixer 4-7 minute, is re-fed into parallel double-screw extruder, extruding pelletization at 140-150 DEG C；
(6) the material grain that step (5) prepares is sent in mill, hack at 140-160 DEG C, be re-fed into 170-180 DEG C of lower sheeting in extrusion press and process 3-5 minute, at room temperature cross-link 1-2 hour and get final product.
It is an advantage of the current invention that:
The primary raw material butadiene-styrene rubber that the cable insulation material of the present invention uses has good thermostability, resistance to ag(e)ing and wearability, the compositions such as collocation liquid polysulfide rubber, nano-organosilicon, tridecafluoro-n-octyltriethoxysilane, Magnesium silicon hexafluoride hexahydrate, sodium metaantimonate, boehmite, the material produced has resistance to water, anti-flammability and the weatherability of excellence, it is suitable for various environment to use, the suitability is strong, and service life is long.
Detailed description of the invention
Embodiment 1, the cable insulation material of a kind of water-tolerant, is made up of following weight portion (kg) raw material: butadiene-styrene rubber 120, nano-organosilicon 3, tridecafluoro-n-octyltriethoxysilane 1, sodium metaantimonate 2, boehmite 8, Kaolin 5, mixed gas carbon black 3, age resistor 40301, antioxidant NBC 1, Magnesium silicon hexafluoride hexahydrate 1, benzoyl peroxide 1, accelerator TBTD1, lead monoxide 1, naphthenic oil 3, liquid polysulfide rubber 4.
The preparation method of the cable insulation material of a kind of water-tolerant, is made up of following steps:
(1) each raw material is weighed by weight；
(2) by butadiene-styrene rubber, liquid polysulfide rubber mixing, send in mill, add lead monoxide, naphthenic oil, at 65 DEG C mixing 6 minutes, then add Magnesium silicon hexafluoride hexahydrate and nano-organosilicon, at 70 DEG C mixing 5 minutes, it is cooled to room temperature, obtains material A；
(3) by boehmite, Kaolin, mixed gas carbon black mixing, pulverize, cross 80 mesh sieves, be subsequently adding tridecafluoro-n-octyltriethoxysilane, dispersed with stirring 9 minutes under the rotating speed of 500 revs/min, obtain material B；
(4) material A step (2) obtained is sent in high-speed mixer together with benzoyl peroxide, age resistor 4030, antioxidant NBC, accelerator TBTD, high-speed stirred 3 minutes, is then fed into stirring at low speed in cold mixer and obtains material C in 7 minutes；
(5) material C step (4) prepared sends into together with other residue composition and material B and mixes in high-speed mixer 4 minutes, is re-fed into parallel double-screw extruder, extruding pelletization at 140 DEG C；
(6) the material grain that step (5) prepares is sent in mill, hack at 140 DEG C, be re-fed into 170 DEG C of lower sheetings in extrusion press and process 5 minutes, at room temperature cross-link 1 hour and get final product.
Embodiment 2, the cable insulation material of a kind of water-tolerant, is made up of following weight portion (kg) raw material: butadiene-styrene rubber 130, nano-organosilicon 4, tridecafluoro-n-octyltriethoxysilane 2, sodium metaantimonate 3, boehmite 10, Kaolin 6, mixed gas carbon black 4, age resistor 40301, antioxidant NBC 2, Magnesium silicon hexafluoride hexahydrate 2, benzoyl peroxide 1, accelerator TBTD1, lead monoxide 1, naphthenic oil 4, liquid polysulfide rubber 5.
The preparation method of the cable insulation material of a kind of water-tolerant, is made up of following steps:
(1) each raw material is weighed by weight；
(2) by butadiene-styrene rubber, liquid polysulfide rubber mixing, send in mill, add lead monoxide, naphthenic oil, at 70 DEG C mixing 5 minutes, then add Magnesium silicon hexafluoride hexahydrate and nano-organosilicon, at 75 DEG C mixing 4 minutes, it is cooled to room temperature, obtains material A；
(3) by boehmite, Kaolin, mixed gas carbon black mixing, pulverize, cross 100 mesh sieves, be subsequently adding tridecafluoro-n-octyltriethoxysilane, dispersed with stirring 7 minutes under the rotating speed of 600 revs/min, obtain material B；
(4) material A step (2) obtained is sent in high-speed mixer together with benzoyl peroxide, age resistor 4030, antioxidant NBC, accelerator TBTD, high-speed stirred 4 minutes, is then fed into stirring at low speed in cold mixer and obtains material C in 8 minutes；
(5) material C step (4) prepared sends into together with other residue composition and material B and mixes in high-speed mixer 5 minutes, is re-fed into parallel double-screw extruder, extruding pelletization at 145 DEG C；
(6) the material grain that step (5) prepares is sent in mill, hack at 150 DEG C, be re-fed into 175 DEG C of lower sheetings in extrusion press and process 4 minutes, at room temperature cross-link 1.5 hours and get final product.
Embodiment 3, the cable insulation material of a kind of water-tolerant, is made up of following weight portion (kg) raw material: butadiene-styrene rubber 140, nano-organosilicon 5, tridecafluoro-n-octyltriethoxysilane 3, sodium metaantimonate 4, boehmite 12, Kaolin 7, mixed gas carbon black 5, age resistor 40302, antioxidant NBC 2, Magnesium silicon hexafluoride hexahydrate 3, benzoyl peroxide 2, accelerator TBTD2, lead monoxide 2, naphthenic oil 5, liquid polysulfide rubber 6.
The preparation method of the cable insulation material of a kind of water-tolerant, is made up of following steps:
(1) each raw material is weighed by weight；
(2) by butadiene-styrene rubber, liquid polysulfide rubber mixing, send in mill, add lead monoxide, naphthenic oil, at 75 DEG C mixing 4 minutes, then add Magnesium silicon hexafluoride hexahydrate and nano-organosilicon, at 80 DEG C mixing 3 minutes, it is cooled to room temperature, obtains material A；
(3) by boehmite, Kaolin, mixed gas carbon black mixing, pulverize, cross 120 mesh sieves, be subsequently adding tridecafluoro-n-octyltriethoxysilane, dispersed with stirring 6 minutes under the rotating speed of 800 revs/min, obtain material B；
(4) material A step (2) obtained is sent in high-speed mixer together with benzoyl peroxide, age resistor 4030, antioxidant NBC, accelerator TBTD, high-speed stirred 5 minutes, is then fed into stirring at low speed in cold mixer and obtains material C in 9 minutes；
(5) material C step (4) prepared sends into together with other residue composition and material B and mixes in high-speed mixer 7 minutes, is re-fed into parallel double-screw extruder, extruding pelletization at 150 DEG C；
(6) the material grain that step (5) prepares is sent in mill, hack at 160 DEG C, be re-fed into 180 DEG C of lower sheetings in extrusion press and process 3 minutes, at room temperature cross-link 2 hours and get final product.
Table 1 below is hot strength and the elongation at break of the cable insulation material of water-tolerant, table 2 is the cable insulation material of water-tolerant stretching strength retentivity after hot air aging in 170 DEG C × 7 days and rupture strength retention, and table 3 is the water absorption rate of the cable insulation material of water-tolerant.
Table 1
| Hot strength (MPa) | Elongation at break (%) | |
| Embodiment 1 | 44 | 453 |
| Embodiment 2 | 46 | 457 |
| Embodiment 3 | 43 | 454 |
Table 2
| Stretching strength retentivity (%) | Rupture strength retention (%) | |
| Embodiment 1 | 98.6 | 98.6 |
| Embodiment 2 | 98.9 | 99.1 |
| Embodiment 3 | 98.5 | 98.9 |
Table 3
| Water absorption rate (%) | |
| Embodiment 1 | 0.8 |
| Embodiment 2 | 0.5 |
| Embodiment 3 | 0.6 |
Claims (2)
1. the cable insulation material of a water-tolerant, it is characterised in that: it is made up of following raw material: butadiene-styrene rubber 120-140, nano-organosilicon 3-5, tridecafluoro-n-octyltriethoxysilane 1-3, sodium metaantimonate 2-4, boehmite 8-12, Kaolin 5-7, mixed gas carbon black 3-5, age resistor 40301-2, antioxidant NBC 1-2, Magnesium silicon hexafluoride hexahydrate 1-3, benzoyl peroxide 1-2, accelerator TBTD1-2, lead monoxide 1-2, naphthenic oil 3-5, liquid polysulfide rubber 4-6.
The preparation method of the cable insulation material of a kind of water-tolerant the most according to claim 1, it is characterised in that: it is made up of following steps:
(1) each raw material is weighed by weight；
(2) by butadiene-styrene rubber, liquid polysulfide rubber mixing, send in mill, add lead monoxide, naphthenic oil, at 65-75 DEG C mixing 4-6 minute, then add Magnesium silicon hexafluoride hexahydrate and nano-organosilicon, at 70-80 DEG C mixing 3-5 minute, it is cooled to room temperature, obtains material A；
(3) by boehmite, Kaolin, mixed gas carbon black mixing, pulverize, cross 80-120 mesh sieve, be subsequently adding tridecafluoro-n-octyltriethoxysilane, dispersed with stirring 6-9 minute under the rotating speed of 500-800 rev/min, obtain material B；
(4) material A step (2) obtained is sent in high-speed mixer together with benzoyl peroxide, age resistor 4030, antioxidant NBC, accelerator TBTD, high-speed stirred 3-5 minute, is then fed into stirring at low speed 7-9 minute in cold mixer and obtains material C；
(5) material C step (4) prepared sends into together with other residue composition and material B and mixes in high-speed mixer 4-7 minute, is re-fed into parallel double-screw extruder, extruding pelletization at 140-150 DEG C；
(6) the material grain that step (5) prepares is sent in mill, hack at 140-160 DEG C, be re-fed into 170-180 DEG C of lower sheeting in extrusion press and process 3-5 minute, at room temperature cross-link 1-2 hour and get final product.
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| CN201610251664.4A CN105820390B (en) | 2016-04-21 | 2016-04-21 | A kind of cable insulation material of water-tolerant |
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| CN201610251664.4A CN105820390B (en) | 2016-04-21 | 2016-04-21 | A kind of cable insulation material of water-tolerant |
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| CN105820390B CN105820390B (en) | 2017-12-08 |
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Cited By (2)
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| CN106349570A (en) * | 2016-10-11 | 2017-01-25 | 佛山市飞时达新材料科技有限公司 | Flame-retardant polypropylene cable material and preparation method thereof |
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| CN106349570A (en) * | 2016-10-11 | 2017-01-25 | 佛山市飞时达新材料科技有限公司 | Flame-retardant polypropylene cable material and preparation method thereof |
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