CN109181083A - A kind of enhanced cable material of polyolefin - Google Patents
A kind of enhanced cable material of polyolefin Download PDFInfo
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- CN109181083A CN109181083A CN201810782728.2A CN201810782728A CN109181083A CN 109181083 A CN109181083 A CN 109181083A CN 201810782728 A CN201810782728 A CN 201810782728A CN 109181083 A CN109181083 A CN 109181083A
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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
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- 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
- H01B3/441—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 alkenes
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K2201/011—Nanostructured additives
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The present invention relates to technical field of electric wires and cables, and in particular to a kind of enhanced cable material of polyolefin.The component of CABLE MATERIALS includes: polyolefin resin, enhancing elastomer, compatilizer, cumyl peroxide, composite flame-retardant agent, magnesium stearate, silane coupling agent and antioxidant.Wherein, enhancing elastomer is a kind of high-performance elastomeric material being combined by inorganic filler and organic high molecular polymer；Polyolefin resin is by the compound of linear low density polyethylene, ethylene-vinyl acetate copolymer and ethylene-octene copolymer；Compatilizer is the maleic anhydride grafts of ethylene-vinyl acetate copolymer or the maleic anhydride grafts of ethylene-methyl acrylate copolymer；Composite flame-retardant agent be nano-aluminum hydroxide and antimony oxide etc. quality compare mixture.The intensity of the type CABLE MATERIALS is high, good weatherability, and has outstanding elasticity and toughness, and the pliability of material is high, and bend-resistance curling is unlikely to deform fracture.
Description
Technical field
The present invention relates to technical field of electric wires and cables, and in particular to a kind of enhanced cable material of polyolefin.
Background technique
Cable includes that power cable, control cable, compensating cable, shielded cable, signal cable etc. be not of the same race depending on the application
Class, CABLE MATERIALS are being commonly called as wire cable insulating and sheath plastics, high molecular material used mainly have polyolefin, fluoroplastics,
Chlorinated polyether, rubber and polyamide etc., this kind of high molecular material have light weight, good insulation preformance, resistant to chemical etching, Yi Jia
The features such as work, excellent mechanics and anti-fatigue performance.
Polyolefin cable is the most common universal cable currently on the market, and the comprehensive performance of this cable is relatively outstanding,
But poor on the weather resistances such as oil resistant, corrosion-resistant, the also relative deficiency such as tensile strength.In order to improve the correspondence of material
It can, it will usually be improved by adding function additive.For example, the resistance to of CABLE MATERIALS can be enhanced by the use of heat resistance filler
High-temperature behavior and corrosion resistance；And the conventional method of CABLE MATERIALS toughness is promoted, it is to add a small amount of fibre composition in the material,
In industrial production, the fiber used is mainly asbestos mineral fiber, polyester fiber, Fypro, vinal, poly- third
The inorfils three classes such as synthetic fibers and glass fibre, carbon fiber such as alkene nitrile fiber.
But the high proportion of the components such as these inorganic fillers and inorfil is filled, can chemical stability to CABLE MATERIALS and
Pliability impacts；So that the heat resistance and cold tolerance of CABLE MATERIALS are deteriorated, CABLE MATERIALS uses under this extreme temperature,
Its electric property and mechanical property can reduce, and cause electric power safety hidden danger, and material is also easier to denaturation and decomposes.Pliability
Reduce the tensile strength and bend-resistance degradation that will lead to CABLE MATERIALS, capacity in the state of the bending or stretcher strain of CABLE MATERIALS
It cracks or fractures.
Number of patent application CN201510246930.X provide a kind of high insulating low-smoke halogen-free CABLE MATERIALS of low water absorbable and its
Preparation method is exactly the CABLE MATERIALS of such a high Inorganic Fillers Filled, although which increase the fire-retardant of CABLE MATERIALS, insulation and preventing
Aqueous energy, but be actually more serious to CABLE MATERIALS thermal stability and flexible injury.Therefore, how one is developed
The enhanced polyolefine material of the low Inorganic Fillers Filled of kind, is one and has very much valuable Research Thinking.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of enhanced cable material of polyolefin, the type polyenes
The intensity of hydrocarbon CABLE MATERIALS is high, good weatherability, and has outstanding elasticity and toughness, and the pliability of material is high, bend-resistance curling, no
Easily-deformable fracture.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of enhanced cable material of polyolefin, according to mass fraction, the component of CABLE MATERIALS includes: polyolefin resin 100-
110 parts, elastomer 25-35 parts of enhancing, 10-15 parts of compatilizer, 1.5-2.7 parts of cumyl peroxide, composite flame-retardant agent 13-16
Part, 3-5 parts of magnesium stearate, 1.2-1.6 parts of silane coupling agent, 1.5-2.5 parts of antioxidant.
Preferably, according to mass fraction, the component of CABLE MATERIALS includes: 104-107 parts of polyolefin resin, enhances elastomer
28-32 parts, 11-14 parts of compatilizer, 1.9-2.4 parts of cumyl peroxide, 14-15 parts of composite flame-retardant agent, magnesium stearate 3.7-
4.4 parts, 1.3-1.5 parts of silane coupling agent, 1.9-2.3 parts of antioxidant.
It is further preferred that the component of CABLE MATERIALS includes: 105 parts of polyolefin resin according to mass fraction, enhance elastomer
30 parts, 13 parts of compatilizer, 2.2 parts of cumyl peroxide, 14.5 parts of composite flame-retardant agent, 3.9 parts of magnesium stearate, silane coupling agent
1.4 parts, 2.1 parts of antioxidant.
In the present invention, enhancing method for producing elastomers includes the following steps:
(1) according to mass fraction, 1.5 parts of hydroxymethyl celluloses and 100 parts of deionized waters are added in reaction kettle, sufficiently
It is uniformly mixing to obtain solution, solution temperature is increased to 55-58 DEG C, nitrogen is then filled with into reaction kettle and carries out deoxygenation, by 25
Part vinylidene fluoride, 27 parts of hexafluoropropenes, 4.5 parts of bromotrifluoethylenes, 0.7 part of perfluoroalkyl bromides and 1.2 parts of 1- iodo- 1H, 1H,
The mixing of 2H, 2H- perfluorooctane, the pressure controlled in reaction kettle is 2.85-3.05MPa, and mixed gas is passed into reaction kettle instead
Multiple stirring is so that portion gas, which is scattered in solution, obtains dispersion liquid；By 0.3 part of diisopropyl peroxydicarbonate and 0.6 part
Benzoyl peroxide nitrate is added in 3 parts of organic solvents, is obtained in the dispersion liquid that solution is added in reaction kettle as initiator,
And into the dispersion liquid of reaction kettle, 1.5 parts of diiodomethane solution, polymerization reaction start, and continue proportionally to be passed through mixed gas guarantor
Reaction pressure is held, product is solidified with potassium sulfate solution and is separated, it is then washed, filter and be dried to obtain fluoropolymer A；
(2) by 14 parts of fluoropolymer A, 30 parts of natural rubbers, 12 parts of isoprene, 7 parts of chlorobutadienes, 2 parts of styrene
Maleic anhydride grafts, 1.3 parts of aspartic acids, 2.5 parts of hexamethyldisilazane, 0.7 part of pentamethylene and 0.3 part of four fourth of bromination
Base ammonium is added in double screw extruder, with 215-225 DEG C of temperature, is kneaded 15-20min；Obtain rubber compound B；
(3) according to mass ratio 4:1:7:3:3 ratio by Alpha-alumina, nanometer silicon carbide, nano silica, talcum
Powder and carbon black mixing, obtain inorganic filler, 25 parts of octadecyl polyoxyethylene groups tetradecyl ammonium chlorides are added in reaction kettle,
10 parts of inorganic fillers are added, 50min is stirred with 90-95 DEG C of degree heating water bath, by reaction product centrifugation, washing, drying,
Solid content is added in reaction kettle again, and is added 40 part 2, and 2,6,6- tetramethyl piperidine nitrogen oxidation stability free radicals are heated to 80-
83 DEG C, electromagnetic agitation and back flow reaction 20h；After reaction, organic needed for product centrifugation, washing, drying being obtained to change
Property filler C；
(4) by 100 parts of rubber compound B, 55 parts of organically-modified filler C, 2.4 parts of zinc stearates, 4.6 parts of naphthenic oils, 2.5 parts it is anti-
Oxygen agent, 1.7 parts of calcium-zinc composite stabilizing agents, 0.8 part of plasticizer and 4 parts of silane coupling agents are mixed to join in double screw extruder,
The temperature of 6 barrels of double screw extruder is respectively as follows: 140 DEG C, 140 DEG C, 150 DEG C, 150 DEG C, 160 DEG C and 180 DEG C；Extruder
Revolving speed is 350r/min, and mixed refining process 15-25min is obtained after cooling mixture then by extruded stock plasticizing granulation in an extruder
To required enhancing elastomer.
Wherein, the organic solvent in step (1) is acetone, methyl acetate or t-butyl formate.
The die head temperature of extruder is 220-245 DEG C in step (4).
Preferably, polyolefin resin is by linear low density polyethylene, ethylene-vinyl acetate copolymer and ethylene-octene
Copolymer according to 5:1:1 mass ratio compound.
Preferably, compatilizer is the maleic anhydride grafts or ethylene-methyl acrylate of ethylene-vinyl acetate copolymer
The maleic anhydride grafts of copolymer.
Preferably, composite flame-retardant agent be nano-aluminum hydroxide and antimony oxide etc. quality compare mixture.
The flame retardant effect of this composite flame-retardant agent is more preferable, and can produce self-extinguishment effect, reduces CABLE MATERIALS use process
In fire safety evaluating hidden danger.
CABLE MATERIALS provided by the invention the preparation method comprises the following steps:
According to mass fraction, polyolefin resin, enhancing elastomer, compatilizer and cumyl peroxide are added to high speed
In mixing machine, with 125-140 DEG C of temperature mixed at high speed 4-6min, mixture is put into double screw extruder, then will be answered
It closes fire retardant, magnesium stearate, silane coupling agent and antioxidant to be added in double screw extruder, after the 10-15min that plasticates, squeeze out
It is granulated, obtains required CABLE MATERIALS after particle is cooling.
The present invention have it is following the utility model has the advantages that
The type CABLE MATERIALS is mainly formed by polyolefin resin and enhancing elastomer composite, this technical solution and polyolefin tree
For rouge compared with the compound technical solution of inorganic filler, the chemical stability and thermal stability of material are higher, it is not easy to aging denaturation,
The service life of CABLE MATERIALS can be significantly improved；And the pliability of CABLE MATERIALS is higher, and toughness and tensile strength all accordingly enhance；
The cable of preparation can bear frequent bending effect and acutely stretch, and deformation, cracking or fracture are less likely to occur.
Wherein, enhancing elastomer is a kind of elastic material being combined by organic polymer and inorganic filler, this bullet
Property body elasticity it is strong, oil resistant, corrosion-resistant, dynamic property is good, and has very outstanding heat-resisting and resistance to low temperature, elastomer
Wear-resisting property and ageing resistance are also relatively prominent；It is highly suitable for the preparation of CABLE MATERIALS.It can make the oil resistant, resistance to of CABLE MATERIALS
While burn into is heat-resisting and resistance to low temperature enhances, the flexibility of material will not be impacted.
The compatibility of the type elastomer and polyolefin resin is preferable, in order to further enhance polyolefin resin and enhancing elasticity
Combination between body, polyolefin resin of the invention have specially selected linear low density polyethylene, ethene-vinyl acetate total
The compound of polymers and ethylene-octene copolymer had both controlled the production cost of material, also ensured the intensity of resin, component
In also use grafting poly polymer as compatilizer, it is poly- under the synergistic effect of compatilizer and cumyl peroxide crosslinking agent
Olefin resin can generate internal crosslinking with enhancing elastomer, so that the complex stabilities of the two are more preferable, to promote material
The intensity and anti-aging property of material.
Specific embodiment
Below with reference to embodiment, further description of the specific embodiments of the present invention, and following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Enhance method for producing elastomers in following embodiment are as follows:
(1) according to mass fraction, 1.5 parts of hydroxymethyl celluloses and 100 parts of deionized waters are added in reaction kettle, sufficiently
It is uniformly mixing to obtain solution, solution temperature is increased to 56 DEG C, nitrogen is then filled with into reaction kettle and carries out deoxygenation, by 25 part 1,
1- difluoroethylene, 27 parts of hexafluoropropenes, 4.5 parts of bromotrifluoethylenes, 0.7 part of perfluoroalkyl bromides and 1.2 parts of 1- iodo- 1H, 1H, 2H,
The mixing of 2H- perfluorooctane, the pressure controlled in reaction kettle is 2.85-3.05MPa, and mixed gas is passed into reaction kettle and stirs repeatedly
It mixes so that portion gas, which is scattered in solution, obtains dispersion liquid；By 0.3 part of diisopropyl peroxydicarbonate and 0.6 part of peroxide
Benzoyl nitrate is added in 3 parts of organic solvents, is obtained in the dispersion liquid that solution is added in reaction kettle as initiator, and to
1.5 parts of diiodomethane solution, polymerization reaction start in the dispersion liquid of reaction kettle, continue proportionally to be passed through mixed gas holding instead
Pressure is answered, product is solidified with potassium sulfate solution and is separated, it is then washed, filter and be dried to obtain fluoropolymer A；
(2) by 14 parts of fluoropolymer A, 30 parts of natural rubbers, 12 parts of isoprene, 7 parts of chlorobutadienes, 2 parts of styrene
Maleic anhydride grafts, 1.3 parts of aspartic acids, 2.5 parts of hexamethyldisilazane, 0.7 part of pentamethylene and 0.3 part of four fourth of bromination
Base ammonium is added in double screw extruder, with 220 DEG C of temperature, is kneaded 17min；Obtain rubber compound B；
(3) according to mass ratio 4:1:7:3:3 ratio by Alpha-alumina, nanometer silicon carbide, nano silica, talcum
Powder and carbon black mixing, obtain inorganic filler, 25 parts of octadecyl polyoxyethylene groups tetradecyl ammonium chlorides are added in reaction kettle,
10 parts of inorganic fillers are added, 50min is stirred with 93 DEG C of degree heating water bath, by reaction product centrifugation, washing, drying, Gu
Shape object is added in reaction kettle again, and is added 40 part 2, and 2,6,6- tetramethyl piperidine nitrogen oxidation stability free radicals are heated to 80-83
DEG C, electromagnetic agitation and back flow reaction 20h；After reaction, organically-modified needed for product centrifugation, washing, drying being obtained
Filler C；
(4) by 100 parts of rubber compound B, 55 parts of organically-modified filler C, 2.4 parts of zinc stearates, 4.6 parts of naphthenic oils, 2.5 parts it is anti-
Oxygen agent, 1.7 parts of calcium-zinc composite stabilizing agents, 0.8 part of plasticizer and 4 parts of silane coupling agents are mixed to join in double screw extruder,
The temperature of 6 barrels of double screw extruder is respectively as follows: 140 DEG C, 140 DEG C, 150 DEG C, 150 DEG C, 160 DEG C and 180 DEG C；Extruder
Revolving speed is 350r/min, and mixed refining process 20min is obtained after cooling mixture then by extruded stock plasticizing granulation in an extruder
Required enhancing elastomer.
Wherein, the organic solvent in step (1) is acetone.
The die head temperature of extruder is 230 DEG C in step (4).
Embodiment 1
A kind of enhanced cable material of polyolefin, according to mass fraction, the component of CABLE MATERIALS includes: 100 parts of polyolefin resin,
25 parts of elastomer of enhancing, 10 parts of compatilizer, 1.5 parts of cumyl peroxide, 13 parts of composite flame-retardant agent, 3 parts of magnesium stearate, silane
1.2 parts of coupling agent, 1.5 parts of antioxidant.
Wherein, polyolefin resin is total to by linear low density polyethylene, ethylene-vinyl acetate copolymer and ethylene-octene
Polymers according to 5:1:1 mass ratio compound.
Compatilizer is the maleic anhydride grafts of ethylene-vinyl acetate copolymer.
Composite flame-retardant agent be nano-aluminum hydroxide and antimony oxide etc. quality compare mixture.
CABLE MATERIALS provided in this embodiment the preparation method comprises the following steps:
According to mass fraction, polyolefin resin, enhancing elastomer, compatilizer and cumyl peroxide are added to high speed
In mixing machine, with 125 DEG C of temperature mixed at high speed 4min, mixture is put into double screw extruder, then by composite flame-proof
Agent, magnesium stearate, silane coupling agent and antioxidant are added in double screw extruder, after the 10min that plasticates, extruding pelletization, and particle
Required CABLE MATERIALS is obtained after cooling.
Embodiment 2
A kind of enhanced cable material of polyolefin, according to mass fraction, the component of CABLE MATERIALS includes: 110 parts of polyolefin resin,
35 parts of elastomer of enhancing, 15 parts of compatilizer, 2.7 parts of cumyl peroxide, 16 parts of composite flame-retardant agent, 5 parts of magnesium stearate, silane
1.6 parts of coupling agent, 2.5 parts of antioxidant.
Wherein, polyolefin resin is total to by linear low density polyethylene, ethylene-vinyl acetate copolymer and ethylene-octene
Polymers according to 5:1:1 mass ratio compound.
Compatilizer is the maleic anhydride grafts of ethylene-methyl acrylate copolymer.
Composite flame-retardant agent be nano-aluminum hydroxide and antimony oxide etc. quality compare mixture.
CABLE MATERIALS provided in this embodiment the preparation method comprises the following steps:
According to mass fraction, polyolefin resin, enhancing elastomer, compatilizer and cumyl peroxide are added to high speed
In mixing machine, with 140 DEG C of temperature mixed at high speed 6min, mixture is put into double screw extruder, then by composite flame-proof
Agent, magnesium stearate, silane coupling agent and antioxidant are added in double screw extruder, after the 15min that plasticates, extruding pelletization, and particle
Required CABLE MATERIALS is obtained after cooling.
Embodiment 3
A kind of enhanced cable material of polyolefin, according to mass fraction, the component of CABLE MATERIALS includes: 105 parts of polyolefin resin,
30 parts of elastomer of enhancing, 13 parts of compatilizer, 2.2 parts of cumyl peroxide, 14.5 parts of composite flame-retardant agent, 3.9 parts of magnesium stearate,
1.4 parts of silane coupling agent, 2.1 parts of antioxidant.
Wherein, polyolefin resin is total to by linear low density polyethylene, ethylene-vinyl acetate copolymer and ethylene-octene
Polymers according to 5:1:1 mass ratio compound.
Compatilizer is the maleic anhydride grafts of ethylene-vinyl acetate copolymer.
Composite flame-retardant agent be nano-aluminum hydroxide and antimony oxide etc. quality compare mixture.
CABLE MATERIALS provided in this embodiment the preparation method comprises the following steps:
According to mass fraction, polyolefin resin, enhancing elastomer, compatilizer and cumyl peroxide are added to high speed
In mixing machine, with 130 DEG C of temperature mixed at high speed 5min, mixture is put into double screw extruder, then by composite flame-proof
Agent, magnesium stearate, silane coupling agent and antioxidant are added in double screw extruder, after the 13min that plasticates, extruding pelletization, and particle
Required CABLE MATERIALS is obtained after cooling.
Performance test
According to IEC 60811-1-1-1993 " cable insulation and sheath material GENERAL EXPERIMENTATION " and GB 1040-92 " modeling
Expect Erichsen test method " etc. method in testing standards, performance detection is carried out to the CABLE MATERIALS of the present embodiment, wherein choosing
Select Shanghai Bang Su International Trading Company Ltd sale 8150 type general wire & cable material of Dow as a control group, progressive
It can compare, test experiments result is as follows:
Table 1: the performance test results of CABLE MATERIALS in the present embodiment and control group
Analyze the above experimental data discovery, its tensile strength of CABLE MATERIALS provided by the invention, elongation at break, bending die
Amount, tearing strength are better than the CABLE MATERIALS of control group, and mechanical property is very prominent, have that elasticity is good, bend-resistance, stretch-proof, anti-
The characteristics of tearing；The glass transition temperature of the type CABLE MATERIALS is lower, and resistance to low temperature is higher；The heat resistance of CABLE MATERIALS also phase
To preferable, CABLE MATERIALS microcaloire softening temperature is higher, and tensile strength at high operating temperatures and breaking strength change rate are also relatively
It is small.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of enhanced cable material of polyolefin, which is characterized in that according to mass fraction, the component of the CABLE MATERIALS includes: poly-
100-110 parts of olefin resin, elastomer 25-35 parts of enhancing is 10-15 parts of compatilizer, 1.5-2.7 parts of cumyl peroxide, multiple
Close fire retardant 13-16 parts, 3-5 parts of magnesium stearate, 1.2-1.6 parts of silane coupling agent, 1.5-2.5 parts of antioxidant.
2. a kind of enhanced cable material of polyolefin according to claim 1, it is characterised in that: described according to mass fraction
The component of CABLE MATERIALS includes: 104-107 parts of polyolefin resin, elastomer 28-32 parts of enhancing, and 11-14 parts of compatilizer, peroxidating two
1.9-2.4 parts of isopropylbenzene, 14-15 parts of composite flame-retardant agent, 3.7-4.4 parts of magnesium stearate, 1.3-1.5 parts of silane coupling agent, antioxygen
1.9-2.3 parts of agent.
3. a kind of enhanced cable material of polyolefin according to claim 1, it is characterised in that: described according to mass fraction
The component of CABLE MATERIALS includes: 105 parts of polyolefin resin, 30 parts of elastomer of enhancing, and 13 parts of compatilizer, cumyl peroxide 2.2
Part, 14.5 parts of composite flame-retardant agent, 3.9 parts of magnesium stearate, 1.4 parts of silane coupling agent, 2.1 parts of antioxidant.
4. a kind of enhanced cable material of polyolefin according to claim 1, it is characterised in that: the system of the enhancing elastomer
Preparation Method includes the following steps:
(1) according to mass fraction, 1.5 parts of hydroxymethyl celluloses and 100 parts of deionized waters is added in reaction kettle, are sufficiently stirred
Solution uniformly is obtained, solution temperature is increased to 55-58 DEG C, nitrogen is then filled with into reaction kettle and carries out deoxygenation, by 25 part 1,
1- difluoroethylene, 27 parts of hexafluoropropenes, 4.5 parts of bromotrifluoethylenes, 0.7 part of perfluoroalkyl bromides and 1.2 parts of 1- iodo- 1H, 1H, 2H,
The mixing of 2H- perfluorooctane, the pressure controlled in reaction kettle is 2.85-3.05MPa, and mixed gas is passed into reaction kettle and stirs repeatedly
It mixes so that portion gas, which is scattered in solution, obtains dispersion liquid；By 0.3 part of diisopropyl peroxydicarbonate and 0.6 part of peroxide
Benzoyl nitrate is added in 3 parts of organic solvents, is obtained in the dispersion liquid that solution is added in reaction kettle as initiator, and to
1.5 parts of diiodomethane solution, polymerization reaction start in the dispersion liquid of reaction kettle, continue proportionally to be passed through mixed gas holding instead
Pressure is answered, product is solidified with potassium sulfate solution and is separated, it is then washed, filter and be dried to obtain fluoropolymer A；
(2) by 14 parts of fluoropolymer A, 30 parts of natural rubbers, 12 parts of isoprene, 7 parts of chlorobutadienes, 2 parts of styrene Malaysias
Acid anhydrides graft, 1.3 parts of aspartic acids, 2.5 parts of hexamethyldisilazane, 0.7 part of pentamethylene and 0.3 part of Tetrabutylammonium bromide
It is added in double screw extruder, with 215-225 DEG C of temperature, is kneaded 15-20min；Obtain rubber compound B；
(3) according to mass ratio 4:1:7:3:3 ratio by Alpha-alumina, nanometer silicon carbide, nano silica, talcum powder and
Carbon black mixing, obtains inorganic filler, and 25 parts of octadecyl polyoxyethylene groups tetradecyl ammonium chlorides are added in reaction kettle, is added
10 parts of inorganic fillers stir 50min with 90-95 DEG C of degree heating water bath, by reaction product centrifugation, washing, drying, solid
Object is added in reaction kettle again, and is added 40 part 2, and 2,6,6- tetramethyl piperidine nitrogen oxidation stability free radicals are heated to 80-83
DEG C, electromagnetic agitation and back flow reaction 20h；After reaction, organically-modified needed for product centrifugation, washing, drying being obtained
Filler C；
(4) by 100 parts of rubber compound B, 55 parts of organically-modified filler C, 2.4 parts of zinc stearates, 4.6 parts of naphthenic oils, 2.5 parts of antioxygens
Agent, 1.7 parts of calcium-zinc composite stabilizing agents, 0.8 part of plasticizer and 4 parts of silane coupling agents are mixed to join in double screw extruder, double
The temperature of 6 barrels of screw extruder is respectively as follows: 140 DEG C, 140 DEG C, 150 DEG C, 150 DEG C, 160 DEG C and 180 DEG C；Extruder turns
Speed is 350r/min, and mixed refining process 15-25min is obtained after cooling mixture then by extruded stock plasticizing granulation in an extruder
Required enhancing elastomer.
5. a kind of enhanced cable material of polyolefin according to claim 4, it is characterised in that: having in the step (1)
Solvent is acetone, methyl acetate or t-butyl formate.
6. a kind of enhanced cable material of polyolefin according to claim 4, it is characterised in that: squeezed out in the step (4)
The die head temperature of machine is 220-245 DEG C.
7. a kind of enhanced cable material of polyolefin according to claim 1, it is characterised in that: the polyolefin resin be by
Linear low density polyethylene, ethylene-vinyl acetate copolymer and ethylene-octene copolymer according to 5:1:1 mass ratio compound.
8. a kind of enhanced cable material of polyolefin according to claim 1, it is characterised in that: the compatilizer is ethylene-
The maleic anhydride grafts of vinyl acetate co-polymer or the maleic anhydride grafts of ethylene-methyl acrylate copolymer.
9. a kind of enhanced cable material of polyolefin according to claim 1, it is characterised in that: the composite flame-retardant agent is to receive
Rice aluminium hydroxide and antimony oxide etc. quality compare mixture.
10. a kind of enhanced cable material of polyolefin described in -9 any one according to claim 1, which is characterized in that the electricity
Cable material the preparation method comprises the following steps:
According to mass fraction, polyolefin resin, enhancing elastomer, compatilizer and cumyl peroxide are added to mixed at high speed
In machine, with 125-140 DEG C of temperature mixed at high speed 4-6min, mixture is put into double screw extruder, then by compound resistance
Combustion agent, magnesium stearate, silane coupling agent and antioxidant are added in double screw extruder, after the 10-15min that plasticates, extruding pelletization,
Required CABLE MATERIALS is obtained after particle is cooling.
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| CN201810782728.2A CN109181083A (en) | 2018-07-17 | 2018-07-17 | A kind of enhanced cable material of polyolefin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810782728.2A CN109181083A (en) | 2018-07-17 | 2018-07-17 | A kind of enhanced cable material of polyolefin |
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| CN201810782728.2A Withdrawn CN109181083A (en) | 2018-07-17 | 2018-07-17 | A kind of enhanced cable material of polyolefin |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675850A (en) * | 2020-07-23 | 2020-09-18 | 上海方之德新材料有限公司 | Low-shrinkage high-flame-retardant polyolefin cable material and preparation method thereof |
| CN112048116A (en) * | 2019-06-06 | 2020-12-08 | 国家能源投资集团有限责任公司 | Polyolefin composition, polyolefin material and crosslinked polyolefin material |
| CN113881134A (en) * | 2020-07-01 | 2022-01-04 | 中国石油天然气股份有限公司 | Composition for hydrophilic non-woven fabric and application thereof |
| CN114023498A (en) * | 2020-03-17 | 2022-02-08 | 无锡鑫宏业线缆科技股份有限公司 | Charging cable for electric automobile |
| CN114933763A (en) * | 2022-06-29 | 2022-08-23 | 立达超微科技(安徽青阳)有限公司 | Preparation method of polyolefin reinforced master batch |
| CN115260639A (en) * | 2022-09-20 | 2022-11-01 | 河北尚华塑料科技有限公司 | High-flame-retardant insulating material for cable and preparation method thereof |
-
2018
- 2018-07-17 CN CN201810782728.2A patent/CN109181083A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048116A (en) * | 2019-06-06 | 2020-12-08 | 国家能源投资集团有限责任公司 | Polyolefin composition, polyolefin material and crosslinked polyolefin material |
| CN112048116B (en) * | 2019-06-06 | 2022-03-22 | 国家能源投资集团有限责任公司 | Polyolefin composition, polyolefin material and crosslinked polyolefin material |
| CN114023498A (en) * | 2020-03-17 | 2022-02-08 | 无锡鑫宏业线缆科技股份有限公司 | Charging cable for electric automobile |
| CN113881134A (en) * | 2020-07-01 | 2022-01-04 | 中国石油天然气股份有限公司 | Composition for hydrophilic non-woven fabric and application thereof |
| CN113881134B (en) * | 2020-07-01 | 2023-07-25 | 中国石油天然气股份有限公司 | Composition for hydrophilic non-woven fabric and application thereof |
| CN111675850A (en) * | 2020-07-23 | 2020-09-18 | 上海方之德新材料有限公司 | Low-shrinkage high-flame-retardant polyolefin cable material and preparation method thereof |
| CN114933763A (en) * | 2022-06-29 | 2022-08-23 | 立达超微科技(安徽青阳)有限公司 | Preparation method of polyolefin reinforced master batch |
| CN115260639A (en) * | 2022-09-20 | 2022-11-01 | 河北尚华塑料科技有限公司 | High-flame-retardant insulating material for cable and preparation method thereof |
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