CN107141580A - High-temperature-rescablet cablet insulation sleeve and preparation method thereof - Google Patents
High-temperature-rescablet cablet insulation sleeve and preparation method thereof Download PDFInfo
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- CN107141580A CN107141580A CN201710481626.2A CN201710481626A CN107141580A CN 107141580 A CN107141580 A CN 107141580A CN 201710481626 A CN201710481626 A CN 201710481626A CN 107141580 A CN107141580 A CN 107141580A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
- C08L23/0861—Saponified vinylacetate
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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
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/448—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from other vinyl compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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
- 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
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Abstract
The invention discloses High-temperature-rescablet cablet insulation sleeve and preparation method thereof, including：1) modified filler is prepared：Molybdenum sulfide, Zirconium oxide fibre, gas-phase silica, asbestos fibre, mica powder are mixed with diallyl phthalate, the trade mark for KH550 silane coupler, heat, are dried to obtain modified filler；2) ethylene-vinyl alcohol copolymer, styrene-acrylic emulsion, turpentine oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate, citrate and solvent are subjected to the first heat treatment, stirring and obtain mixture M 1；3) by mixture M 1 and the modified filler, zinc stearate according to 100：5‑10：15 weight ratio is stirred and then carried out second and is thermally treated resulting in High-temperature-rescablet cablet insulation sleeve；The High-temperature-rescablet cablet insulation sleeve has good insulating properties, and toughness is higher, be not easily cracked and high temperature resistant, humidity resistance are good.
Description
Technical field
The present invention relates to the production preparation field of insulation sleeve, in particular it relates to a kind of High-temperature-rescablet cablet insulation sleeve and its
Preparation method.
Background technology
It is exactly to be made up of the conductor and outsourcing insulating protective layer of one or more mutually insulated for cable is popular, by electric power
Or information is transferred to the wire at another place at one.With the rapid development of economy, increasing place needs cable to transmit
Electric power or other information, therefore also have tightened up requirement to the manufacture of cable.Cable cover(ing) is the indispensable centre of cable
Structure division, plays a part of protecting cable, it is ensured that the energization safety of cable, allows copper wire and water, and the medium isolation such as air is avoided
There is leaky.
It is equal to the insulating properties of cable, tensile strength, resistance to elevated temperatures, cold tolerance and fire resistance during use
There are strict requirements；Therefore the properties for improving constantly cable jacket material are economical and social broken ball demand anyway.
Wherein, the resistance to elevated temperatures of cable cover(ing) is a critically important performance indications, the resistance to elevated temperatures of cable cover(ing)
The security during cable use is directly affects, the good cable cover(ing) of resistance to elevated temperatures can reduce the generation of fire.
The content of the invention
It is an object of the invention to provide a kind of High-temperature-rescablet cablet insulation sleeve and preparation method thereof, the High-temperature-rescablet cablet is exhausted
Edge set has excellent tensile property, good wearability, and the high temperature-resistant cable protective cover material has good heat-resisting quantity
Energy；Improve the security that cable is used.
To achieve these goals, the invention provides a kind of preparation method of High-temperature-rescablet cablet insulation sleeve, the system
Preparation Method includes：
1) modified filler is prepared：By molybdenum sulfide, Zirconium oxide fibre, gas-phase silica, asbestos fibre, mica powder and adjacent benzene two
Formic acid diallyl, the trade mark are mixed, heated, being dried to obtain the modified filler for KH550 silane coupler；
2) by ethylene-vinyl alcohol copolymer, styrene-acrylic emulsion, turpentine oil, accelerator P DM, ethyl acetate, acrylic acid
Ester, t-butyl perbenzoate, citrate and solvent carry out the first heat treatment, stirring and obtain mixture M 1；
3) by the mixture M 1 and the modified filler, zinc stearate according to 100：5-10：1-5 weight is than being stirred
Mix and then carry out second and be thermally treated resulting in mixture M 2, the extruding pelletization of mixture M 2, processing are obtained into the cable uses
High-temperature insulation set；
Wherein, step 1) in, in parts by weight, the molybdenum sulfide, Zirconium oxide fibre, gas-phase silica, asbestos fibre, cloud
The amount ratio for the silane coupler that female powder, diallyl phthalate and the trade mark are KH550 is 20-50：1-5：2-6：1-10：
3-5：20-30：15-25.
By above-mentioned technical proposal, the present invention is fine by molybdenum sulfide, Zirconium oxide fibre, gas-phase silica, asbestos by selecting
Dimension, mica powder are mixed for KH550 silane coupler with diallyl phthalate, the trade mark, heated, being dried to obtain described change
Property filler；And obtained modified filler is added to ethylene-vinyl alcohol copolymer, styrene-acrylic emulsion, turpentine oil, vulcanization accelerator
Further it is heat-treated in PDM, ethyl acetate, acrylate, the resin body material of t-butyl perbenzoate and then greatly
The big insulating properties and toughness for improving obtained High-temperature-rescablet cablet insulation sleeve, and make it that obtained High-temperature-rescablet cablet is exhausted
Edge set has good resistance to elevated temperatures, tensile property and anti-wear performance.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points and any value of disclosed scope are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
The invention provides a kind of preparation method of High-temperature-rescablet cablet insulation sleeve, the preparation method includes：
1) modified filler is prepared：By molybdenum sulfide, Zirconium oxide fibre, gas-phase silica, asbestos fibre, mica powder and adjacent benzene two
Formic acid diallyl, the trade mark are mixed, heated, being dried to obtain the modified filler for KH550 silane coupler；
2) by ethylene-vinyl alcohol copolymer, styrene-acrylic emulsion, turpentine oil, accelerator P DM, ethyl acetate, acrylic acid
Ester, t-butyl perbenzoate, citrate and solvent carry out the first heat treatment, stirring and obtain mixture M 1；
3) by the mixture M 1 and the modified filler, zinc stearate according to 100：5-10：1-5 weight is than being stirred
Mix and then carry out second and be thermally treated resulting in mixture M 2, the extruding pelletization of mixture M 2, processing are obtained into the cable uses
High-temperature insulation set；
Wherein, step 1) in, in parts by weight, the molybdenum sulfide, Zirconium oxide fibre, gas-phase silica, asbestos fibre, cloud
The amount ratio for the silane coupler that female powder, diallyl phthalate and the trade mark are KH550 is 20-50：1-5：2-6：1-10：
3-5：20-30：15-25.
In step 2) in, the weight between each component in wide scope than can adjust, but in order to improve each component
Between mutual synergy, it is preferable that ethylene-vinyl alcohol copolymer, styrene-acrylic emulsion, turpentine oil, accelerator P DM, vinegar
Acetoacetic ester, acrylate, t-butyl perbenzoate, the weight ratio of citrate and solvent are 100：10-15：1-5：2-5：3-4：
5-10：1.5-5.5：2.1-3.6：100-150.
In step (1), during preparing modified filler, the condition of described heating can be adjusted in wide scope
Section, but in order to improve preparation efficiency, while improving the synergy and its combination property between modified filler each component, preferably
Ground, heating at least meets following condition：The temperature of heating is 75-95 DEG C, and the time of heating is 2-3h.
In addition, the condition dried can also be selected in wider scope, in order to improve drying efficiency, it is preferable that dry
Temperature be 50-60 DEG C, drying time is 12-15h.
In the above-mentioned technical solutions, the particle size of each component can be selected in wide scope, but in order to improve
Mixed effect and then raising cooperation between each component are used, it is preferable that the average grain diameter of the molybdenum sulfide and mica powder is each only
Stand as 10-30mm.
Likewise, the molecular size range of resin used can also be controlled in wide scope, and the species of solvent is selected
Selecting can select in wide scope, but in order to improve the insulating properties and resistance to elevated temperatures of obtained insulation sleeve, preferably
Ground, the weight average molecular weight of the ethylene-vinyl alcohol copolymer is 2-5 ten thousand；
It is further preferred that the solvent is selected from ethylene glycol monobutyl ether, ethylene glycol ether, dichloro-benzenes, cyclohexanone or two
One or more in chloromethanes.
In addition, in step (2), the condition of first heat treatment can be adjusted in wide scope, such as can be
Heated at constant temperature or gradually heating heating；But in order to improve preparation efficiency while improving obtained insulation sleeve composition has more
Excellent insulating properties, toughness and resistance to elevated temperatures, it is preferable that first heat treatment at least meets following condition：First from 30-
35 DEG C of heating rates with 5-10 DEG C/min are heated to 80-85 DEG C, and maintain 1-1.5h at 80-85 DEG C；Then, then with 10-15
DEG C/min heating rate is heated to 100-110 DEG C, and maintains 0.5-1.0h at 100-110 DEG C；Finally, with 10-20 DEG C/min
Rate of temperature fall be cooled to 40-50 DEG C.
In addition, the temperature and time of the second heat treatment can be controlled in wide scope, but in order to improve heat treatment
Effect, it is preferable that it is described second heat treatment at least meet following condition：The temperature of heat treatment is 85-100 DEG C, during heat treatment
Between be 0.5-1.5h.
Equally, the temperature of the extruding pelletization can also be selected in wide scope, but to improve the effect of extruding pelletization
The resistance to elevated temperatures of rate and obtained sheath, it is preferable that the temperature of the extruding pelletization is 170-195 DEG C.
In above-mentioned technical proposal, the condition of the stirring can be selected in wide scope, but stir height to improve
Efficiency and then raising prepare the efficiency of composition, it is preferable that step 1) and 2) described in the condition that stirs each stand alone as：Rotating speed
For 2500-3000rpm, the time of stirring is 1-3h.
Present invention also offers one kind High-temperature-rescablet cablet insulation sleeve as made from above-mentioned preparation method.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) modified filler is prepared：Molybdenum sulfide (average grain diameter is 10mm), Zirconium oxide fibre, gas-phase silica, asbestos are fine
Dimension, mica powder (average grain diameter is 10mm) and diallyl phthalate, the silane coupler that the trade mark is KH550 are according to 20：
1：2：1：3：20：15 weight than being mixed, 75 DEG C heat cooling after 3h, it is last obtained in 50 DEG C of drys 15h described in change
Property filler；
2) by ethylene-vinyl alcohol copolymer (weight average molecular weight be 20,000), styrene-acrylic emulsion, turpentine oil, accelerator P DM,
Ethyl acetate, acrylate, t-butyl perbenzoate, citrate and ethylene glycol monobutyl ether are according to 100：10：1：2：3：5：
1.5：2.1：After 100 weight is than being mixed, 80 DEG C first are heated to from 30 DEG C of heating rates with 5 DEG C/min, and at 80 DEG C
Maintain 1h；Then 100 DEG C, then with 10 DEG C/min heating rate are heated to, and 0.5h is maintained at 100 DEG C；Finally, with 10 DEG C/
Min rate of temperature fall is cooled to 40 DEG C；Then, 2h is stirred under 3000rpm rotating speeds and obtains mixture M 1；
3) by the mixture M 1 and the modified filler and zinc stearate according to 100：5：1 weight than mixing,
Stirred under 2800rpm rotating speeds after 3h, mixture M 2 is obtained after being then heat-treated 1.5h at 85 DEG C, by the mixture M 2 170
DEG C extruding pelletization and machine-shaping obtains the High-temperature-rescablet cablet insulation sleeve, is denoted as A1.
Embodiment 2
1) modified filler is prepared：Molybdenum sulfide (average grain diameter is 20mm), Zirconium oxide fibre, gas-phase silica, asbestos are fine
Dimension, mica powder (average grain diameter is 20mm) and diallyl phthalate, the silane coupler that the trade mark is KH550 are according to 35：
3：4：6：4：25：18 weight than being mixed, 80 DEG C heat cooling after 3h, it is last obtained in 60 DEG C of drys 13h described in change
Property filler；
2) by ethylene-vinyl alcohol copolymer (weight average molecular weight be 30,000), styrene-acrylic emulsion, turpentine oil, accelerator P DM,
Ethyl acetate, acrylate, t-butyl perbenzoate, citrate and cyclohexanone are according to 100：13：3：3：3：6：4.5：3.0：
After 120 weight is than being mixed, 85 DEG C first are heated to from 30 DEG C of heating rates with 10 DEG C/min, and in 85 DEG C of maintenances
1.5h；Then 105 DEG C, then with 15 DEG C/min heating rate are heated to, and 1.0h is maintained at 105 DEG C；Finally, with 20 DEG C/min
Rate of temperature fall be cooled to 50 DEG C；Then, 2h is stirred under 2500rpm rotating speeds and obtains mixture M 1；
3) by the mixture M 1 and the modified filler and zinc stearate according to 100：8：3 weight than mixing,
Stirred under 2800rpm rotating speeds after 3h, mixture M 2 is obtained after being then heat-treated 1.0h at 90 DEG C, by the mixture M 2 180
DEG C extruding pelletization and machine-shaping obtains the High-temperature-rescablet cablet insulation sleeve, is denoted as A2.
Embodiment 3
1) modified filler is prepared：Molybdenum sulfide (average grain diameter is 30mm), Zirconium oxide fibre, gas-phase silica, asbestos are fine
Dimension, mica powder (average grain diameter is 30mm) and diallyl phthalate, the silane coupler that the trade mark is KH550 are according to 50：
5：6：10：5：30：25 weight than being mixed, 95 DEG C heat cooling after 2h, it is last obtained in 60 DEG C of drys 12h described in change
Property filler；
2) by ethylene-vinyl alcohol copolymer (weight average molecular weight be 50,000), styrene-acrylic emulsion, turpentine oil, accelerator P DM,
Ethyl acetate, acrylate, t-butyl perbenzoate, citrate and dichloro-benzenes are according to 100：15：5：5：4：10：5.5：3.6：
After 150 weight is than being mixed, 85 DEG C first are heated to from 35 DEG C of heating rates with 10 DEG C/min, and in 85 DEG C of maintenances
1.5h；Then 110 DEG C, then with 15 DEG C/min heating rate are heated to, and 1.0h is maintained at 110 DEG C；Finally, with 20 DEG C/min
Rate of temperature fall be cooled to 50 DEG C；Then, 1h is stirred under 3000rpm rotating speeds and obtains mixture M 1；
3) by the mixture M 1 and the modified filler and zinc stearate according to 100：10：5 weight than mixing,
Stirred under 2500rpm rotating speeds after 3h, mixture M 2 is obtained after being then heat-treated 1.5h at 100 DEG C, by the mixture M 2 195
DEG C extruding pelletization and machine-shaping obtains the High-temperature-rescablet cablet insulation sleeve, is denoted as A3.
Embodiment 4
High-temperature-rescablet cablet insulation sleeve A4 is prepared Following the procedure of Example 1, unlike in step 2) in, directly with
10 DEG C/min heating rate is warming up to 100 DEG C and maintains 1.5h, and 40 DEG C are cooled to 10 DEG C/min rate of temperature fall.
Embodiment 5
High-temperature-rescablet cablet insulation sleeve A5 is prepared Following the procedure of Example 1, the difference is that in step 2) in, directly with 5
DEG C/min heating rate is warming up to 80 DEG C and maintains 1.5h, is then cooled to 40 DEG C with 10 DEG C/min rate of temperature fall.
Comparative example 1
High-temperature-rescablet cablet insulation sleeve B1 is prepared Following the procedure of Example 1, the difference is that not adding molybdenum sulfide in raw material.
Comparative example 2
High-temperature-rescablet cablet insulation sleeve B2 is prepared Following the procedure of Example 1, the difference is that not adding zirconium oxide in raw material
Fiber.
Comparative example 3
High-temperature-rescablet cablet insulation sleeve B3 is prepared Following the procedure of Example 1, the difference is that it is fine not add asbestos in raw material
Dimension.
Comparative example 4
High-temperature-rescablet cablet insulation sleeve B4 is prepared Following the procedure of Example 1, the difference is that in step 2) in, cloud is not added
Female powder.
Detect example 1
A1-A5 and B1-B4 tensile strength (MPa) is tested according to GB/T528-1998；And GB/T2423-2001 is tested
A1-A5 and B1-B4 maximum operating temperatures；Concrete outcome is shown in Table 1.
Table 1
| Tensile strength (MPa) | Maximum operating temperature (DEG C) | |
| A1 | 15.5 | 98 |
| A2 | 15.3 | 102 |
| A3 | 16.1 | 110 |
| A4 | 14.2 | 96 |
| A5 | 13.8 | 97 |
| B1 | 13.5 | 90 |
| B2 | 11.5 | 91 |
| B3 | 10.5 | 93 |
| B4 | 10.2 | 85 |
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of preparation method of High-temperature-rescablet cablet insulation sleeve, it is characterised in that the preparation method includes：
1) modified filler is prepared：By molybdenum sulfide, Zirconium oxide fibre, gas-phase silica, asbestos fibre, mica powder and phthalic acid
Diallyl, the trade mark are mixed, heated, being dried to obtain the modified filler for KH550 silane coupler；
2) by ethylene-vinyl alcohol copolymer, styrene-acrylic emulsion, turpentine oil, accelerator P DM, ethyl acetate, acrylate, mistake
T-butyl perbenzoate, citrate and solvent carry out the first heat treatment, stirring and obtain mixture M 1；
3) by the mixture M 1 and the modified filler, zinc stearate according to 100：5-10：1-5 weight ratio is stirred right
Second is carried out afterwards and is thermally treated resulting in mixture M 2, and the extruding pelletization of mixture M 2, processing are obtained into the resistance to height of the cable
Warm insulation sleeve；
Wherein, step 1) in, in parts by weight, the molybdenum sulfide, Zirconium oxide fibre, gas-phase silica, asbestos fibre, mica
The amount ratio for the silane coupler that powder, diallyl phthalate and the trade mark are KH550 is 20-50：1-5：2-6：1-10：3-
5：20-30：15-25.
2. preparation method according to claim 1, wherein, in step 2) in, ethylene-vinyl alcohol copolymer, styrene-acrylic emulsion,
Turpentine oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate, the weight ratio of citrate and solvent
For 100：10-15：1-5：2-5：3-4：5-10：1.5-5.5：2.1-3.6：100-150.
3. preparation method according to claim 1, wherein, step 1) in, heating at least meets following condition：The temperature of heating
Spend for 75-95 DEG C, and/or the time of heating is 2-3h；
Preferably, dry temperature is 50-60 DEG C, and/or drying time is 12-15h.
4. the preparation method according to any one in claim 1-3, wherein, the molybdenum sulfide and mica powder are averaged
Particle diameter each stands alone as 10-30mm.
5. preparation method according to claim 4, wherein, the weight average molecular weight of the ethylene-vinyl alcohol copolymer is 2-5
Ten thousand；
Preferably, the solvent is in ethylene glycol monobutyl ether, ethylene glycol ether, dichloro-benzenes, cyclohexanone or dichloromethane
It is one or more.
6. the preparation method according to any one in claim 1-3, wherein, first heat treatment at least meets following
Condition：80-85 DEG C first is heated to from the 30-35 DEG C of heating rate with 5-10 DEG C/min, and 1-1.5h is maintained at 80-85 DEG C；Connect
, then 100-110 DEG C is heated to 10-15 DEG C/min heating rate, and 0.5-1.0h is maintained at 100-110 DEG C；Finally, with
10-20 DEG C/min rate of temperature fall is cooled to 40-50 DEG C.
7. preparation method according to claim 6, wherein, second heat treatment at least meets following condition：Heat treatment
Temperature be 85-100 DEG C, and/or heat treatment time be 0.5-1.5h.
8. preparation method according to claim 6, wherein, the temperature of the extruding pelletization is 170-195 DEG C.
9. preparation method according to claim 6, wherein, step 1) and 2) described in the condition that stirs each stand alone as：
Rotating speed is 2500-3000rpm, and the time of stirring is 1-3h.
10. High-temperature-rescablet cablet insulation sleeve made from the preparation method in a kind of claim 1-9 described in any one.
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Cited By (3)
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| CN107501707A (en) * | 2017-09-12 | 2017-12-22 | 芜湖航天特种电缆厂股份有限公司 | Field equipment high-weatherability cable cover(ing) and preparation method thereof |
| CN107501904A (en) * | 2017-09-12 | 2017-12-22 | 芜湖航天特种电缆厂股份有限公司 | Undersea detection cable cover(ing) and preparation method thereof |
| CN107903481A (en) * | 2017-10-24 | 2018-04-13 | 芜湖航天特种电缆厂股份有限公司 | Field cable sheath and preparation method thereof |
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| CN106674821A (en) * | 2017-01-12 | 2017-05-17 | 芜湖航天特种电缆厂股份有限公司 | High-temperature resistant cable sheathing compound and preparation method thereof |
| CN106700346A (en) * | 2017-01-12 | 2017-05-24 | 芜湖航天特种电缆厂股份有限公司 | High temperature resistant sheathing material for cables and preparation method of high temperature resistant sheathing material |
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| CN107501707A (en) * | 2017-09-12 | 2017-12-22 | 芜湖航天特种电缆厂股份有限公司 | Field equipment high-weatherability cable cover(ing) and preparation method thereof |
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| CN107903481A (en) * | 2017-10-24 | 2018-04-13 | 芜湖航天特种电缆厂股份有限公司 | Field cable sheath and preparation method thereof |
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Application publication date: 20170908 |