CN110144072A - A kind of potent waterproof cable sheath material and preparation method thereof - Google Patents
A kind of potent waterproof cable sheath material and preparation method thereof Download PDFInfo
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- CN110144072A CN110144072A CN201910593808.8A CN201910593808A CN110144072A CN 110144072 A CN110144072 A CN 110144072A CN 201910593808 A CN201910593808 A CN 201910593808A CN 110144072 A CN110144072 A CN 110144072A
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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
- C08L9/02—Copolymers with acrylonitrile
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- 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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Abstract
The present invention provides a kind of potent waterproof cable sheath material and preparation method thereof, is related to technical field of cable production.The cable sheath material is made of raw material from the following weight: 45-55 parts of nitrile rubber, 15-20 parts of neoprene, 5-10 parts of polyurethane, 8-12 parts of alkyd resin, 2-3 parts of ethyl 2-methacrylate, 0.6-1.0 parts of modifying agent, 6-8 parts of organic silicon emulsion, 3-5 parts of phenolic resin, 5-7 parts of amido benzene sulfonic acid sodium salt of methoxyl group fatty acyl, 2-4 parts of calcium stearate, 5-7 parts of magnesium silicate, 3-5 parts of mica powder, 6-8 parts of clay, 4-6 parts of bentonite, 2-4 parts of powdered whiting, 2-4 parts of curing agent, 2-4 parts of vulcanizing agent.The present invention overcomes the deficiencies in the prior art, the compactness extent of sheath material can be effectively improved, and then promote its waterproof performance, outside moisture passes through cable cover(ing) and contacts with each other with its inner lead when preventing ambient humidity larger, and then the danger of short circuit or electric discharge occurs, sheath material is highly-safe, long service life, is suitable for promoting.
Description
Technical field
The present invention relates to technical field of cable production, and in particular to a kind of potent waterproof cable sheath material and its preparation side
Method.
Background technique
Cable is usually every group by several or the cable of similar rope that several groups of conducting wires (every group at least two) are twisted
Mutually insulated between conducting wire, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation, for connecting
Circuit, electric appliance etc..Cable has interior energization, the feature of external insulation.The coating wrapped up outside cable conductor is cable cover(ing),
For protecting inner lead, while preventing user from Danger Electric shock risk occurs.
The waterproof performance of cable sheath material is poor at present, and in this way when ambient humidity is larger, outside moisture is easily passed through
Cable cover(ing) contacts with each other with its inner lead, and then is easy to happen the danger of short circuit or electric discharge, and safety is lower.Therefore,
A kind of potent waterproof cable sheath material is the hot spot of researchers' research.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of potent waterproof cable sheath material and preparation method thereof, this hair
It is bright to overcome the deficiencies in the prior art, the compactness extent of sheath material can be effectively improved, and then promote its waterproof performance, prevented
Outside moisture passes through cable cover(ing) and contacts with each other with its inner lead when ambient humidity is larger, and then occurs short-circuit or electric discharge
Danger, sheath material is highly-safe, long service life, is suitable for promoting.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of potent waterproof cable sheath material, the cable sheath material are made of raw material from the following weight: butyronitrile
45-55 parts of rubber, 15-20 parts of neoprene, 5-10 parts of polyurethane, 8-12 parts of alkyd resin, ethyl 2-methacrylate 2-3
Part, 0.6-1.0 parts of modifying agent, 6-8 parts of organic silicon emulsion, 3-5 parts of phenolic resin, methoxyl group fatty acyl amido benzene sulfonic acid sodium salt 5-7
Part, 2-4 parts of calcium stearate, 5-7 parts of magnesium silicate, 3-5 parts of mica powder, 6-8 parts of clay, 4-6 parts of bentonite, powdered whiting 2-4
Part, 2-4 parts of curing agent, 2-4 parts of vulcanizing agent.
Preferably, the cable sheath material is made of raw material from the following weight: 50 parts of nitrile rubber, neoprene 18
Part, 8 parts of polyurethane, 10 parts of alkyd resin, 2.5 parts of ethyl 2-methacrylate, 0.8 part of modifying agent, 7 parts of organic silicon emulsion, phenol
4 parts of urea formaldehyde, 6 parts of methoxyl group fatty acyl amido benzene sulfonic acid sodium salt, 3 parts of calcium stearate, 6 parts of magnesium silicate, 4 parts of mica powder, clay 7
Part, 5 parts of bentonite, 3 parts of powdered whiting, 3 parts of curing agent, 3 parts of vulcanizing agent.
Preferably, the modifying agent is mixed by cetyl trimethylammonium bromide and poly-methyl pyrrole alkane with mass ratio for 3:1
It closes.
Preferably, the curing agent is one of curing agent NX-2015, curing agent NX-2040 and curing agent NX-2041
Or it is a variety of.
Preferably, the vulcanizing agent is 2- mercapto imidazoline, cumyl peroxide and 2,4,6- tri- (dimethylamino first
Base) one of phenol or a variety of.
The preparation method of the cable sheath material the following steps are included:
(1) nitrile rubber, neoprene and polyurethane are mixed and is added in rubber mixing machine, be warming up to 220-240 DEG C, heat preservation is mixed
It is spare that refining 1.5-2h obtains base-material；
(2) alkyd resin and ethyl 2-methacrylate are mixed and is added in reaction kettle, be warming up to 180-200 DEG C, heat preservation
Argon gas is passed through after modifying agent, then insulated and stirred 20-30min are added after mixing 30-50min and boosts to 10-12MPa, and pressure maintaining changes
Property 30-40min after restore to normal pressure, rear heat preservation stands 0.5-1h, and must to be modified material spare；
(3) organic silicon emulsion, phenolic resin, methoxyl group fatty acyl amido benzene sulfonic acid sodium salt and calcium stearate are mixed to be added and is stirred
It mixes in machine, is stirred after 30-50min and is mixed object and is placed in incubator, be warming up to 160-180 DEG C, heat preservation stands 2-
It is spare that 2.5h obtains auxiliary material；
(4) magnesium silicate, mica powder, clay, bentonite and powdered whiting are added in ball mill and carry out mixed grinding, after
It is mixed object to be placed in high temperature furnace, is warming up to 400-430 DEG C, modified material obtained and auxiliary is added after heat preservation roasting 2-3h
Material, then be mixed object and squeeze into high speed disperser, it is spare that high speed dispersion 20-40min obtains mixture；
(5) mixture obtained is added in the rubber mixing machine in above-mentioned steps (1), adds curing agent and vulcanizing agent, protected
It is mixed object after temperature mixing 2-3h to squeeze into double screw extruder, extruding pelletization obtains product.
Preferably, adjustment revolving speed is to 130-150r/min in the step (1), and the middle revolving speed that adjusts of step (2) is to 120-
140r/min, the middle adjustment revolving speed of step (3) to 200-230r/min, the middle adjustment revolving speed of step (4) to 800-1000r/min.
Preferably, in the step (4) mixed grinding to cross 400 meshes.
The present invention provides a kind of potent waterproof cable sheath material and preparation method thereof, and advantage exists compared with prior art
In:
(1) present invention can effectively improve the densification of base-material using nitrile rubber, neoprene and polyurethane as base-material
Property, and then the waterproof performance of sheath material is improved, sheath material is high-quality, and using effect is good；
(2) present invention is added with alkyd resin, ethyl 2-methacrylate, organic silicon emulsion, phenolic resin, methoxyl group rouge
Fat amide groups benzene sulfonic acid sodium salt and calcium stearate, first pass through ethyl 2-methacrylate under high-temperature and high-pressure conditions to alkyd resin into
Row is modified, and is mixed afterwards with other components, can be effectively improved the waterproof performance of sheath material, extraneous when preventing ambient humidity larger
Moisture content passes through cable cover(ing) and contacts with each other with its inner lead, and then the danger of short circuit or electric discharge occurs, sheath material safety
Property high, long service life；
(3) present invention is also added with magnesium silicate, mica powder, clay, bentonite and powdered whiting, first passes through mixed grinding
Modification by calcination is carried out again, is finally carried out high speed dispersion with other auxiliary materials, it can be made to be uniformly dispersed in sheath material, and
Stomata in sheath material is effectively filled, its compactness extent is improved, and then effectively improves the waterproof performance of sheath material,
Sheath material overall performance is excellent, is suitable for promoting.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of potent waterproof cable sheath material, the cable sheath material are made of raw material from the following weight: butyronitrile
45 parts of rubber, 15 parts of neoprene, 5 parts of polyurethane, 8 parts of alkyd resin, 2 parts of ethyl 2-methacrylate, 0.6 part of modifying agent,
6 parts of organic silicon emulsion, 3 parts of phenolic resin, 5 parts of methoxyl group fatty acyl amido benzene sulfonic acid sodium salt, 2 parts of calcium stearate, 5 parts of magnesium silicate,
3 parts of mica powder, 6 parts of clay, 4 parts of bentonite, 2 parts of powdered whiting, 2 parts of curing agent, 2 parts of vulcanizing agent.
Wherein, the modifying agent is 3:1 mixing with mass ratio by cetyl trimethylammonium bromide and poly-methyl pyrrole alkane
It forms；The curing agent is curing agent NX-2015；The vulcanizing agent is 2- mercapto imidazoline.
The preparation method of the cable sheath material the following steps are included:
(1) nitrile rubber, neoprene and polyurethane are mixed and is added in rubber mixing machine, be warming up to 220-240 DEG C, adjustment turns
For speed to 130-150r/min, it is spare that heat preservation mixing 1.5-2h obtains base-material；
(2) alkyd resin and ethyl 2-methacrylate are mixed and is added in reaction kettle, be warming up to 180-200 DEG C, adjustment
Revolving speed is kept the temperature and is passed through argon gas after modifying agent, then insulated and stirred 20-30min is added after mixing 30-50min to 120-140r/min
And 10-12MPa is boosted to, restore after the modified 30-40min of pressure maintaining to normal pressure, it is spare that rear heat preservation standing 0.5-1h must be modified material；
(3) organic silicon emulsion, phenolic resin, methoxyl group fatty acyl amido benzene sulfonic acid sodium salt and calcium stearate are mixed to be added and is stirred
It mixes in machine, adjustment revolving speed is stirred after 30-50min and is mixed object and is placed in incubator, be warming up to 200-230r/min
160-180 DEG C, it is spare that heat preservation standing 2-2.5h obtains auxiliary material；
(4) by mixed grinding in magnesium silicate, mica powder, clay, bentonite and powdered whiting addition ball mill to excessively 400
Mesh, after be mixed object and be placed in high temperature furnace, be warming up to 400-430 DEG C, modifier obtained be added after heat preservation roasting 2-3h
Material and auxiliary material, then be mixed object and squeeze into high speed disperser, adjustment revolving speed to 800-1000r/min, high speed dispersion 20-
It is spare that 40min obtains mixture；
(5) mixture obtained is added in the rubber mixing machine in above-mentioned steps (1), adds curing agent and vulcanizing agent, protected
It is mixed object after temperature mixing 2-3h to squeeze into double screw extruder, extruding pelletization obtains product.
Embodiment 2:
A kind of potent waterproof cable sheath material, the cable sheath material are made of raw material from the following weight: butyronitrile
50 parts of rubber, 18 parts of neoprene, 8 parts of polyurethane, 10 parts of alkyd resin, 2.5 parts of ethyl 2-methacrylate, modifying agent 0.8
Part, 7 parts of organic silicon emulsion, 4 parts of phenolic resin, 6 parts of methoxyl group fatty acyl amido benzene sulfonic acid sodium salt, 3 parts of calcium stearate, magnesium silicate 6
Part, 4 parts of mica powder, 7 parts of clay, 5 parts of bentonite, 3 parts of powdered whiting, 3 parts of curing agent, 3 parts of vulcanizing agent.
Wherein, the modifying agent is 3:1 mixing with mass ratio by cetyl trimethylammonium bromide and poly-methyl pyrrole alkane
It forms；The curing agent is curing agent NX-2040；The vulcanizing agent is cumyl peroxide.
The preparation method of the cable sheath material the following steps are included:
(1) nitrile rubber, neoprene and polyurethane are mixed and is added in rubber mixing machine, be warming up to 220-240 DEG C, adjustment turns
For speed to 130-150r/min, it is spare that heat preservation mixing 1.5-2h obtains base-material；
(2) alkyd resin and ethyl 2-methacrylate are mixed and is added in reaction kettle, be warming up to 180-200 DEG C, adjustment
Revolving speed is kept the temperature and is passed through argon gas after modifying agent, then insulated and stirred 20-30min is added after mixing 30-50min to 120-140r/min
And 10-12MPa is boosted to, restore after the modified 30-40min of pressure maintaining to normal pressure, it is spare that rear heat preservation standing 0.5-1h must be modified material；
(3) organic silicon emulsion, phenolic resin, methoxyl group fatty acyl amido benzene sulfonic acid sodium salt and calcium stearate are mixed to be added and is stirred
It mixes in machine, adjustment revolving speed is stirred after 30-50min and is mixed object and is placed in incubator, be warming up to 200-230r/min
160-180 DEG C, it is spare that heat preservation standing 2-2.5h obtains auxiliary material；
(4) by mixed grinding in magnesium silicate, mica powder, clay, bentonite and powdered whiting addition ball mill to excessively 400
Mesh, after be mixed object and be placed in high temperature furnace, be warming up to 400-430 DEG C, modifier obtained be added after heat preservation roasting 2-3h
Material and auxiliary material, then be mixed object and squeeze into high speed disperser, adjustment revolving speed to 800-1000r/min, high speed dispersion 20-
It is spare that 40min obtains mixture；
(5) mixture obtained is added in the rubber mixing machine in above-mentioned steps (1), adds curing agent and vulcanizing agent, protected
It is mixed object after temperature mixing 2-3h to squeeze into double screw extruder, extruding pelletization obtains product.
Embodiment 3:
A kind of potent waterproof cable sheath material, the cable sheath material are made of raw material from the following weight: butyronitrile
55 parts of rubber, 20 parts of neoprene, 10 parts of polyurethane, 12 parts of alkyd resin, 3 parts of ethyl 2-methacrylate, modifying agent 1.0
Part, 8 parts of organic silicon emulsion, 5 parts of phenolic resin, 7 parts of methoxyl group fatty acyl amido benzene sulfonic acid sodium salt, 4 parts of calcium stearate, magnesium silicate 7
Part, 5 parts of mica powder, 8 parts of clay, 6 parts of bentonite, 4 parts of powdered whiting, 4 parts of curing agent, 4 parts of vulcanizing agent.
Wherein, the modifying agent is 3:1 mixing with mass ratio by cetyl trimethylammonium bromide and poly-methyl pyrrole alkane
It forms；The curing agent is curing agent NX-2041；The vulcanizing agent is 2,4,6- tri- (dimethylamino methyl) phenol.
The preparation method of the cable sheath material the following steps are included:
(1) nitrile rubber, neoprene and polyurethane are mixed and is added in rubber mixing machine, be warming up to 220-240 DEG C, adjustment turns
For speed to 130-150r/min, it is spare that heat preservation mixing 1.5-2h obtains base-material；
(2) alkyd resin and ethyl 2-methacrylate are mixed and is added in reaction kettle, be warming up to 180-200 DEG C, adjustment
Revolving speed is kept the temperature and is passed through argon gas after modifying agent, then insulated and stirred 20-30min is added after mixing 30-50min to 120-140r/min
And 10-12MPa is boosted to, restore after the modified 30-40min of pressure maintaining to normal pressure, it is spare that rear heat preservation standing 0.5-1h must be modified material；
(3) organic silicon emulsion, phenolic resin, methoxyl group fatty acyl amido benzene sulfonic acid sodium salt and calcium stearate are mixed to be added and is stirred
It mixes in machine, adjustment revolving speed is stirred after 30-50min and is mixed object and is placed in incubator, be warming up to 200-230r/min
160-180 DEG C, it is spare that heat preservation standing 2-2.5h obtains auxiliary material；
(4) by mixed grinding in magnesium silicate, mica powder, clay, bentonite and powdered whiting addition ball mill to excessively 400
Mesh, after be mixed object and be placed in high temperature furnace, be warming up to 400-430 DEG C, modifier obtained be added after heat preservation roasting 2-3h
Material and auxiliary material, then be mixed object and squeeze into high speed disperser, adjustment revolving speed to 800-1000r/min, high speed dispersion 20-
It is spare that 40min obtains mixture；
(5) mixture obtained is added in the rubber mixing machine in above-mentioned steps (1), adds curing agent and vulcanizing agent, protected
It is mixed object after temperature mixing 2-3h to squeeze into double screw extruder, extruding pelletization obtains product.
Embodiment 4:
Detect the waterproof performance of cable sheath material in common on the market cable sheath material and embodiment 1-3, tool
Steps are as follows for physical examination survey:
(1) control group is set by cable sheath material common on the market, cable sheath material is arranged in embodiment 1-3
For experimental group 1-3；
(2) a length of 10cm, outside diameter 1.3cm, interior is made in the sheath material in control group 1-3 and experimental group 1-3
Circular diameter is the sheath sample of 1.0cm, keeps the internally dry of sheath sample, using copper sulphate powder meet water become blue principle into
Row waterproof test；
(3) white copper sulphate powder is added into sheath sample, and white copper sulphate powder is made to concentrate on sheath sample
Middle position, then by the end part seal of sheath sample, and into the water by the middle part of sheath sample, entering will shield after water stands 1h
It covers sample to take out, glass bar is recycled to dig out the white copper sulphate powder in sheath sample, observe white copper sulphate powder
Color is simultaneously recorded.Its testing result is as shown in the table:
As seen from the above table, real since the color of the white copper sulphate powder in experimental group 2 in sheath material is unchanged
The waterproof performance for applying cable sheath material obtained by example 2 is best.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of potent waterproof cable sheath material, which is characterized in that the cable sheath material by following parts by weight raw material
It is made: 45-55 parts of nitrile rubber, 15-20 parts of neoprene, 5-10 parts of polyurethane, 8-12 parts of alkyd resin, 2- methacrylic acid
2-3 parts of ethyl ester, 0.6-1.0 parts of modifying agent, 6-8 parts of organic silicon emulsion, 3-5 parts of phenolic resin, methoxyl group fatty acyl amido benzene sulphur
Sour sodium 5-7 parts, 2-4 parts of calcium stearate, 5-7 parts of magnesium silicate, 3-5 parts of mica powder, 6-8 parts of clay, 4-6 parts of bentonite, heavy carbon
Sour calcium 2-4 parts, 2-4 parts of curing agent, 2-4 parts of vulcanizing agent.
2. a kind of potent waterproof cable sheath material according to claim 1, which is characterized in that the cable sheath material
It is made of raw material from the following weight: 50 parts of nitrile rubber, 18 parts of neoprene, 8 parts of polyurethane, 10 parts of alkyd resin, 2- first
2.5 parts of base ethyl acrylate, 0.8 part of modifying agent, 7 parts of organic silicon emulsion, 4 parts of phenolic resin, methoxyl group fatty acyl amido benzene sulphur
6 parts of sour sodium, 3 parts of calcium stearate, 6 parts of magnesium silicate, 4 parts of mica powder, 7 parts of clay, 5 parts of bentonite, 3 parts of powdered whiting, solidification
3 parts of agent, 3 parts of vulcanizing agent.
3. a kind of potent waterproof cable sheath material according to claim 1, which is characterized in that the modifying agent is by 16
Alkyl trimethyl ammonium bromide and poly-methyl pyrrole alkane are mixed with mass ratio for 3:1.
4. a kind of potent waterproof cable sheath material according to claim 1, which is characterized in that the curing agent is solidification
One of agent NX-2015, curing agent NX-2040 and curing agent NX-2041 or a variety of.
5. a kind of potent waterproof cable sheath material according to claim 1, which is characterized in that the vulcanizing agent is 2- sulphur
One of alcohol radical imidazoline, cumyl peroxide and 2,4,6- tri- (dimethylamino methyl) phenol are a variety of.
6. a kind of preparation method of potent waterproof cable sheath material, which is characterized in that the preparation side of the cable sheath material
Method the following steps are included:
(1) nitrile rubber, neoprene and polyurethane are mixed and is added in rubber mixing machine, be warming up to 220-240 DEG C, heat preservation is kneaded
1.5-2h it is spare to obtain base-material；
(2) alkyd resin and ethyl 2-methacrylate are mixed and is added in reaction kettle, be warming up to 180-200 DEG C, keep the temperature mixing
Argon gas is passed through after modifying agent, then insulated and stirred 20-30min are added after 30-50min and boosts to 10-12MPa, the modified 30- of pressure maintaining
Restore after 40min to normal pressure, it is spare that rear heat preservation standing 0.5-1h must be modified material；
(3) organic silicon emulsion, phenolic resin, methoxyl group fatty acyl amido benzene sulfonic acid sodium salt and calcium stearate are mixed and blender is added
In, it is stirred after 30-50min and is mixed object and is placed in incubator, be warming up to 160-180 DEG C, heat preservation stands 2-2.5h and obtains
Auxiliary material is spare；
(4) will magnesium silicate, mica powder, clay, bentonite and powdered whiting be added ball mill in carry out mixed grinding, after by its
Mixture is placed in high temperature furnace, is warming up to 400-430 DEG C, and modified material and auxiliary material obtained are added after heat preservation roasting 2-3h, then
It is mixed object to squeeze into high speed disperser, it is spare that high speed dispersion 20-40min obtains mixture；
(5) mixture obtained is added in the rubber mixing machine in above-mentioned steps (1), adds curing agent and vulcanizing agent, heat preservation is mixed
It is mixed object after refining 2-3h to squeeze into double screw extruder, extruding pelletization obtains product.
7. a kind of preparation method of potent waterproof cable sheath material according to claim 6, which is characterized in that the step
Suddenly adjustment revolving speed is to 130-150r/min in (1), and to 120-140r/min, the middle adjustment of step (3) turns the middle revolving speed that adjusts of step (2)
Speed is to 200-230r/min, and the middle revolving speed that adjusts of step (4) is to 800-1000r/min.
8. a kind of preparation method of potent waterproof cable sheath material according to claim 6, which is characterized in that the step
Suddenly in (4) mixed grinding to cross 400 meshes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824645A (en) * | 2019-11-27 | 2020-02-21 | 国网河南省电力公司南阳供电公司 | Intelligent optical cable with self-sensing function |
| CN111710468A (en) * | 2020-06-28 | 2020-09-25 | 四川天邑康和通信股份有限公司 | Flame-retardant photoelectric hybrid cable of coaxial electric unit and manufacturing method thereof |
| CN112820450A (en) * | 2020-12-29 | 2021-05-18 | 河北亿正线缆有限公司 | Wire and cable for high-temperature-resistant high-voltage thin-wall insulation railway passenger car |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110824645A (en) * | 2019-11-27 | 2020-02-21 | 国网河南省电力公司南阳供电公司 | Intelligent optical cable with self-sensing function |
| CN111710468A (en) * | 2020-06-28 | 2020-09-25 | 四川天邑康和通信股份有限公司 | Flame-retardant photoelectric hybrid cable of coaxial electric unit and manufacturing method thereof |
| CN111710468B (en) * | 2020-06-28 | 2021-11-05 | 四川天邑康和通信股份有限公司 | Flame-retardant photoelectric hybrid cable of coaxial electric unit and manufacturing method thereof |
| CN112820450A (en) * | 2020-12-29 | 2021-05-18 | 河北亿正线缆有限公司 | Wire and cable for high-temperature-resistant high-voltage thin-wall insulation railway passenger car |
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Application publication date: 20190820 |