CN107236185A - A kind of novel flame-retardant cable material and preparation method thereof - Google Patents
A kind of novel flame-retardant cable material and preparation method thereof Download PDFInfo
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- CN107236185A CN107236185A CN201710517524.1A CN201710517524A CN107236185A CN 107236185 A CN107236185 A CN 107236185A CN 201710517524 A CN201710517524 A CN 201710517524A CN 107236185 A CN107236185 A CN 107236185A
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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
- C08L23/10—Homopolymers or copolymers of propene
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- H01B3/441—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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- 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
- H01B3/443—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 vinylhalogenides or other halogenoethylenic compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of novel flame-retardant cable material, include the raw material of following parts by weight：15~35 parts of polyvinyl chloride, 3~8 parts of POE, 13~18 parts of ethylene vinyl acetate, 18~33 parts of high impact resistance polypropylene, 7~18 parts of nitrile rubber, 1~2 part of stearic acid, 12~23 parts of filler, 1.5~3.3 parts of heat stabilizer, 0.7~1.2 part of antioxidant, 1~2 part of antiseptic, 4~8 parts of plasticizer, 3~5 parts of compatilizer, 1~3 part of fire retardant.The novel flame-retardant cable material performance is excellent, good physical performance, wide adaptive temperature scope, high temperature resistant, fire resistance are good, and possesses antibacterial resistance to corrosion, and service life is long.
Description
Technical field
The invention belongs to field of cable technology, and in particular to a kind of novel flame-retardant cable material and preparation method thereof.
Background technology
As economic develops rapidly, electric wire is widely used in industry-by-industry, field.Electric wire
While consumption constantly increases, the accident of electrical fire is consequently increased, and the security of electric wire product, the feature of environmental protection, is used
Life-span there has also been higher requirement, and the fire-retardant problem of electric wire gradually causes the attention of countries in the world.Early in the seventies, state
It is inside and outside to develop flame retardant cable in succession, though these flame retardant cables have certain flame retardant effect, also there are many defects, such as resistance to height
Warm nature can not be strong, it is impossible to operation at high temperature；Not enough, service life is short, pole fire hazardous for resistance to ag(e)ing；Occur in fire
When, the electric wire of burning can produce toxic gas and smog, and this can not only influence disaster relief work, and also lives and properties can be caused
" second of disaster ".In view of the municipal civilian installations of many industrial departments and subway, skyscraper etc. are to the security of cable and can
By the requirement more and more higher of property, the heat-resistant fireproof cable of an urgent demand exploitation a new generation.
The content of the invention
The invention provides a kind of novel flame-retardant cable material and preparation method thereof, asking in above-mentioned background technology is solved
Topic, the novel flame-retardant cable material performance is excellent, good physical performance, wide adaptive temperature scope, high temperature resistant, fire resistance are good, and
Possesses antibacterial resistance to corrosion, service life is long.
In order to solve the problem of prior art is present, adopt the following technical scheme that：
A kind of novel flame-retardant cable material, includes the raw material of following parts by weight：15~35 parts of polyvinyl chloride, ethylene-octene copolymer 3
~8 parts, 13~18 parts of ethylene-vinyl acetate, 18~33 parts of high impact resistance polypropylene, 7~18 parts of nitrile rubber, stearic acid 1~2
Part, 12~23 parts of filler, 1.5~3.3 parts of heat stabilizer, 0.7~1.2 part of antioxidant, 1~2 part of antiseptic, plasticizer 4~8
Part, 3~5 parts of compatilizer, 1~3 part of fire retardant.
It is preferred that, the novel flame-retardant cable material includes the raw material of following parts by weight：23 parts of polyvinyl chloride, ethylene-octene
6 parts of copolymer, 15.8 parts of ethylene-vinyl acetate, 27 parts of high impact resistance polypropylene, 11 parts of nitrile rubber, 1.5 parts of stearic acid, fill out
19 parts of material, 2.2 parts of heat stabilizer, 1 part of antioxidant, 1.5 parts of antiseptic, 6 parts of plasticizer, 3.8 parts of compatilizer, 2.1 parts of fire retardant.
It is preferred that, the filler is modified graphene, and the modified graphene is made by following methods：
（1）Graphene is weighed, high temperature furnace is placed in and is heated 2~4 hours with 400~440 DEG C of temperature, obtain graphene oxide；
（2）Weigh step（1）The graphene oxide of preparation, and thionyl chloride or oxalyl chloride mixing, add catalyst, wherein,
Graphene oxide, thionyl chloride or oxalyl chloride, the ratio between catalyst quality are 1：25~32：0.2~0.5, use oil bath pan with
65~83 DEG C of temperature is heated 20~33 hours, condensing reflux and drying during reaction, while being subject to lasting mechanical agitation, instead
Washed after should terminating with solvent, dry, obtain midbody product A；
（3）It is 1.3~3.9 to weigh mass ratio:1 aliphatic acid polymer mixture and aliphatic polyamine, uses oil bath pan with 160
~190 DEG C of temperature is heated 20~27 hours, and nitrogen is passed to during reaction and is protected, while it is subject to lasting mechanical agitation,
Obtain midbody product B；
（4）By step（3）Obtained midbody product B is with urea with 16.7~23.3:After 1 mass ratio mixing, using oil bath pan
Heated 7~8.6 hours with 100~140 DEG C of temperature, nitrogen is passed to during reaction and is protected, while being subject to lasting machinery
Stirring, obtains mixture C；
（5）By step（2）Obtained midbody product A is with mixture C with 1:After 20~40 mass ratio mixing, using oil bath pan
Heated 12~36 hours with 50~90 DEG C of temperature, condensing reflux and drying during reaction, while it is subject to lasting mechanical agitation,
Reaction is washed after terminating with solvent, is dried, is obtained modified graphene filler.
It is preferred that, the plasticizer is trioctyl trimellitate (TOTM) or one kind in di-n-octyl sebacate or two kinds.
It is preferred that, the antioxidant be four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] pentaerythritol ester and three
2,4- di-tert-butyl-phenyls ］ phosphite ester mass ratio be 1：1~1.5：0.5 compound system.
It is preferred that, the fire retardant is in antimony oxide, TDE, Firebrake ZB, aluminium hydroxide, magnesium hydroxide
One or more.
A kind of method for preparing the novel flame-retardant cable material, comprises the following steps：
（1）Polyvinyl chloride, ethylene-octene copolymer, ethylene-vinyl acetate, high impact resistance polypropylene, fourth are weighed by above-mentioned formula
Nitrile rubber, stearic acid, filler, heat stabilizer, antioxidant, antiseptic, plasticizer, compatilizer, fire retardant, it is standby；
（2）Polyvinyl chloride, ethylene-octene copolymer, compatilizer and high impact resistance polypropylene are well mixed, are placed in close in banbury
Refining 5~10 minutes, mixing temperature is 160~180 DEG C, then puts into plasticizer, and heating stirring to plasticizer is absorbed completely, described
The temperature of heating stirring is 95~108 DEG C；
（3）To step（2）Nitrile rubber, ethylene-vinyl acetate, stearic acid are put into obtained product successively, is well mixed,
Banburying 8~13 minutes together, mixing temperature is 150~170 DEG C, then puts into filler, heat stabilizer, antioxidant, antiseptic, resistance
Agent is fired, heating stirring to raw material is mixed thoroughly, and obtains CABLE MATERIALS semi-finished product；
（4）By step（3）Obtained semi-finished product cross Dual-cone feeding device and twin-screw extrusion unit extrusion stretching and granulation, pass through
The novel flame-retardant cable material is made after air-cooled.
It is preferred that, each section of temperature control of the twin-screw extrusion unit since charge door, be followed successively by 90~100 DEG C,
90~100 DEG C, 90~95 DEG C, 85~90 DEG C, 85~90 DEG C, 75~85 DEG C, 85~90 DEG C, twin-screw head temperature is 90~95
℃。
Compared with prior art, it has the advantages that the present invention：
Novel flame-retardant cable material performance of the present invention is excellent, good physical performance, wide adaptive temperature scope, high temperature resistant, anti-flammability
Can be good, and possess antibacterial resistance to corrosion, service life is long, specific as follows：
（1）Novel flame-retardant cable material of the present invention is used as raw material, polyvinyl chloride and fourth using polyvinyl chloride and nitrile rubber
Nitrile rubber and mutually synergy, not only make CABLE MATERIALS to obtain the flexibility, good feel and matt effect of rubber, and
Mechanical-physical and chemical property are also improved, oil resistant, wear-resisting, acid and alkali-resistance make CABLE MATERIALS have the dual property of plastics and rubber,
Vulcanization is not required to, the novel flame-retardant cable material has the stress cracking resistance of preferable intensity, wearability, processing characteristics and material
Energy；
（2）Novel flame-retardant cable material of the present invention between optimization raw material by mutually acting synergistically, optimized production process,
The novel flame-retardant cable material adaptive temperature scope prepared is wide, and heat aging performance is excellent, and the temperature resistant grade of CABLE MATERIALS is high；
（3）Novel flame-retardant cable material of the present invention is used as raw material, the mechanics of high impact resistance polypropylene using high impact resistance polypropylene
Performance is good, after being mixed with a certain amount of ethylene-octene copolymer, filling is may be allowed on the premise of mechanical property is ensured more
Fire retardant, significantly improves the fire resistance of the novel flame-retardant cable material, furthermore, due to polyacrylic melt viscosity relatively
Low, so the novel flame-retardant cable material rheological property prepared with the present invention is preferable, melt viscosity is low, and product has preferable outward appearance；
（4）Antiseptic is with the addition of in novel flame-retardant cable material raw material of the present invention, the novel flame-retardant electricity is effectively increased
The antimildew and antibacterial ability of cable material, extends its service life；
（5）Novel flame-retardant cable material of the present invention has the strong of super large using modified graphene as filler by modified graphene
Degree, improves the mechanical strength of the composite insulating material；Modified graphene is still insulating materials due to reducing degree very little, made
Standby composite insulating material remains in that good insulating properties.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without
In limitation the scope of the present invention.
Embodiment 1
The present embodiment is related to a kind of novel flame-retardant cable material, includes the raw material of following parts by weight：15 parts of polyvinyl chloride, ethene-pungent
3 parts of alkene copolymer, 13 parts of ethylene-vinyl acetate, 18 parts of high impact resistance polypropylene, 7 parts of nitrile rubber, 1 part of stearic acid, filler 12
Part, 1.5 parts of heat stabilizer, 0.7 part of antioxidant, 1 part of antiseptic, 4 parts of plasticizer, 3 parts of compatilizer, 1 part of fire retardant.
Wherein, the filler is modified graphene, and the modified graphene is made by following methods：
（1）Graphene is weighed, high temperature furnace is placed in and is heated 2 hours with 400 DEG C of temperature, obtain graphene oxide；
（2）Weigh step（1）The graphene oxide of preparation, and thionyl chloride or oxalyl chloride mixing, add catalyst, wherein,
Graphene oxide, thionyl chloride or oxalyl chloride, the ratio between catalyst quality are 1：25：0.2, oil bath pan is used with 65 DEG C of temperature
Heating 20 hours, condensing reflux and drying during reaction, while being subject to lasting mechanical agitation, reaction is washed after terminating with solvent
Wash, dry, obtain midbody product A；
（3）It is 1.3 to weigh mass ratio:1 aliphatic acid polymer mixture and aliphatic polyamine, uses oil bath pan with 160 DEG C
Temperature is heated 20 hours, and nitrogen is passed to during reaction and is protected, while being subject to lasting mechanical agitation, midbody product is obtained
B；
（4）By step（3）Obtained midbody product B is with urea with 16.7:After 1 mass ratio mixing, oil bath pan is used with 100 DEG C
Temperature heat 7 hours, nitrogen is passed to during reaction and is protected, while being subject to lasting mechanical agitation, mixture C is obtained；
（5）By step（2）Obtained midbody product A is with mixture C with 1:After 20 mass ratio mixing, oil bath pan is used with 50
DEG C temperature heat 12 hours, condensing reflux and drying during reaction, while be subject to lasting mechanical agitation, reaction is used after terminating
Solvent is washed, and is dried, is obtained modified graphene filler.
Wherein, the plasticizer is trioctyl trimellitate (TOTM).
Wherein, the antioxidant be four β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid ］ pentaerythritol ester and 32,
4- di-tert-butyl-phenyls ］ phosphite ester mass ratio be 1：1：0.5 compound system.
Wherein, the fire retardant is antimony oxide.
A kind of method for preparing the novel flame-retardant cable material, comprises the following steps：
（1）Polyvinyl chloride, ethylene-octene copolymer, ethylene-vinyl acetate, high impact resistance polypropylene, fourth are weighed by above-mentioned formula
Nitrile rubber, stearic acid, filler, heat stabilizer, antioxidant, antiseptic, plasticizer, compatilizer, fire retardant, it is standby；
（2）Polyvinyl chloride, ethylene-octene copolymer, compatilizer and high impact resistance polypropylene are well mixed, are placed in close in banbury
Refining 5 minutes, mixing temperature is 160 DEG C, then puts into plasticizer, and heating stirring to plasticizer is absorbed completely, the heating stirring
Temperature be 95 DEG C；
（3）To step（2）Nitrile rubber, ethylene-vinyl acetate, stearic acid are put into obtained product successively, is well mixed,
Banburying 8 minutes together, mixing temperature is 150 DEG C, then puts into filler, heat stabilizer, antioxidant, antiseptic, fire retardant, heating
Stirring is mixed thoroughly to raw material, obtains CABLE MATERIALS semi-finished product；
（4）By step（3）Obtained semi-finished product cross Dual-cone feeding device and twin-screw extrusion unit extrusion stretching and granulation, pass through
The novel flame-retardant cable material is made after air-cooled.
Wherein, each section of temperature control of the twin-screw extrusion unit be since charge door, be followed successively by 90~100 DEG C, 90
~100 DEG C, 90~95 DEG C, 85~90 DEG C, 85~90 DEG C, 75~85 DEG C, 85~90 DEG C, twin-screw head temperature is 90~95
℃。
After tested, the novel flame-retardant cable material parameter described in the present embodiment is as follows：Tensile strength is 15.3MPa, and fracture is stretched
Long rate 340%, oxygen index (OI) is 31.5, and combustion test is by V-0 grades of UL-94, and the cable heat distortion temperatures for passing through 100 DEG C are tested
Low-temperature impact with -35 DEG C is tested.
Embodiment 2
The present embodiment is related to a kind of novel flame-retardant cable material, includes the raw material of following parts by weight：35 parts of polyvinyl chloride, ethene-pungent
8 parts of alkene copolymer, 18 parts of ethylene-vinyl acetate, 33 parts of high impact resistance polypropylene, 18 parts of nitrile rubber, 2 parts of stearic acid, filler
23 parts, 3.3 parts of heat stabilizer, 1.2 parts of antioxidant, 2 parts of antiseptic, 8 parts of plasticizer, 5 parts of compatilizer, 3 parts of fire retardant.
Wherein, the filler is modified graphene, and the modified graphene is made by following methods：
（1）Graphene is weighed, high temperature furnace is placed in and is heated 4 hours with 440 DEG C of temperature, obtain graphene oxide；
（2）Weigh step（1）The graphene oxide of preparation, and thionyl chloride or oxalyl chloride mixing, add catalyst, wherein,
Graphene oxide, thionyl chloride or oxalyl chloride, the ratio between catalyst quality are 1： 32：0.5, oil bath pan is used with 83 DEG C of temperature
Degree heating 33 hours, condensing reflux and drying during reaction, while being subject to lasting mechanical agitation, reaction is washed after terminating with solvent
Wash, dry, obtain midbody product A；
（3）It is 3.9 to weigh mass ratio:1 aliphatic acid polymer mixture and aliphatic polyamine, uses oil bath pan with 190 DEG C
Temperature is heated 27 hours, and nitrogen is passed to during reaction and is protected, while being subject to lasting mechanical agitation, midbody product is obtained
B；
（4）By step（3）Obtained midbody product B is with urea with 23.3:After 1 mass ratio mixing, oil bath pan is used with 140 DEG C
Temperature heat 8.6 hours, nitrogen is passed to during reaction and is protected, while being subject to lasting mechanical agitation, mixture is obtained
C；
（5）By step（2）Obtained midbody product A is with mixture C with 1:40 mass ratio mixing after, use oil bath pan with
90 DEG C of temperature is heated 36 hours, condensing reflux and drying during reaction, while being subject to lasting mechanical agitation, after reaction terminates
Washed with solvent, dry, obtain modified graphene filler.
Wherein, the plasticizer is di-n-octyl sebacate.
Wherein, the antioxidant be four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] pentaerythritol ester and 32,
4- di-tert-butyl-phenyls ］ phosphite ester mass ratio be 1：1.5：0.5 compound system.
Wherein, the fire retardant is TDE.
A kind of method for preparing the novel flame-retardant cable material, comprises the following steps：
（1）Polyvinyl chloride, ethylene-octene copolymer, ethylene-vinyl acetate, high impact resistance polypropylene, fourth are weighed by above-mentioned formula
Nitrile rubber, stearic acid, filler, heat stabilizer, antioxidant, antiseptic, plasticizer, compatilizer, fire retardant, it is standby；
（2）Polyvinyl chloride, ethylene-octene copolymer, compatilizer and high impact resistance polypropylene are well mixed, are placed in close in banbury
Refining 10 minutes, mixing temperature is 180 DEG C, then puts into plasticizer, and heating stirring to plasticizer is absorbed completely, the heating stirring
Temperature be 108 DEG C；
（3）To step（2）Nitrile rubber, ethylene-vinyl acetate, stearic acid are put into obtained product successively, is well mixed,
Banburying 13 minutes together, mixing temperature is 170 DEG C, then puts into filler, heat stabilizer, antioxidant, antiseptic, fire retardant, plus
Thermal agitation to raw material is mixed thoroughly, and obtains CABLE MATERIALS semi-finished product；
（4）By step（3）Obtained semi-finished product cross Dual-cone feeding device and twin-screw extrusion unit extrusion stretching and granulation, pass through
The novel flame-retardant cable material is made after air-cooled.
Wherein, each section of temperature control of the twin-screw extrusion unit be since charge door, be followed successively by 90~100 DEG C, 90
~100 DEG C, 90~95 DEG C, 85~90 DEG C, 85~90 DEG C, 75~85 DEG C, 85~90 DEG C, twin-screw head temperature is 90~95
℃。
After tested, the novel flame-retardant cable material parameter described in the present embodiment is as follows：Tensile strength is 15.5MPa, and fracture is stretched
Long rate 345%, oxygen index (OI) is 31.7, and combustion test is by V-0 grades of UL-94, and the cable heat distortion temperatures for passing through 100 DEG C are tested
Low-temperature impact with -35 DEG C is tested.
Embodiment 3
The present embodiment is related to a kind of novel flame-retardant cable material, includes the raw material of following parts by weight：23 parts of polyvinyl chloride, ethene-pungent
6 parts of alkene copolymer, 15.8 parts of ethylene-vinyl acetate, 27 parts of high impact resistance polypropylene, 11 parts of nitrile rubber, 1.5 parts of stearic acid,
19 parts of filler, 2.2 parts of heat stabilizer, 1 part of antioxidant, 1.5 parts of antiseptic, 6 parts of plasticizer, 3.8 parts of compatilizer, fire retardant 2.1
Part.
Wherein, the filler is modified graphene, and the modified graphene is made by following methods：
（1）Graphene is weighed, high temperature furnace is placed in and is heated 3 hours with 420 DEG C of temperature, obtain graphene oxide；
（2）Weigh step（1）The graphene oxide of preparation, and thionyl chloride or oxalyl chloride mixing, add catalyst, wherein,
Graphene oxide, thionyl chloride or oxalyl chloride, the ratio between catalyst quality are 1：28：0.4, oil bath pan is used with 75 DEG C of temperature
Heating 28 hours, condensing reflux and drying during reaction, while being subject to lasting mechanical agitation, reaction is washed after terminating with solvent
Wash, dry, obtain midbody product A；
（3）It is 2.5 to weigh mass ratio:1 aliphatic acid polymer mixture and aliphatic polyamine, uses oil bath pan with 180 DEG C
Temperature is heated 23 hours, and nitrogen is passed to during reaction and is protected, while being subject to lasting mechanical agitation, midbody product is obtained
B；
（4）By step（3）Obtained midbody product B is with urea with 22:After 1 mass ratio mixing, oil bath pan is used with 120 DEG C
Temperature is heated 7.8 hours, and nitrogen is passed to during reaction and is protected, while being subject to lasting mechanical agitation, mixture C is obtained；
（5）By step（2）Obtained midbody product A is with mixture C with 1:After 30 mass ratio mixing, oil bath pan is used with 70
DEG C temperature heat 24 hours, condensing reflux and drying during reaction, while be subject to lasting mechanical agitation, reaction is used after terminating
Solvent is washed, and is dried, is obtained modified graphene filler.
Wherein, the plasticizer is the mixture of trioctyl trimellitate (TOTM) and di-n-octyl sebacate.
Wherein, the antioxidant be four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] pentaerythritol ester and 32,
4- di-tert-butyl-phenyls ］ phosphite ester mass ratio be 1：1.3：0.5 compound system.
Wherein, the fire retardant is in antimony oxide, TDE, Firebrake ZB, aluminium hydroxide, magnesium hydroxide
Mixture.
A kind of method for preparing the novel flame-retardant cable material, comprises the following steps：
（1）Polyvinyl chloride, ethylene-octene copolymer, ethylene-vinyl acetate, high impact resistance polypropylene, fourth are weighed by above-mentioned formula
Nitrile rubber, stearic acid, filler, heat stabilizer, antioxidant, antiseptic, plasticizer, compatilizer, fire retardant, it is standby；
（2）Polyvinyl chloride, ethylene-octene copolymer, compatilizer and high impact resistance polypropylene are well mixed, are placed in close in banbury
Refining 8 minutes, mixing temperature is 170 DEG C, then puts into plasticizer, and heating stirring to plasticizer is absorbed completely, the heating stirring
Temperature be 100 DEG C；
（3）To step（2）Nitrile rubber, ethylene-vinyl acetate, stearic acid are put into obtained product successively, is well mixed,
Banburying 10 minutes together, mixing temperature is 160 DEG C, then puts into filler, heat stabilizer, antioxidant, antiseptic, fire retardant, plus
Thermal agitation to raw material is mixed thoroughly, and obtains CABLE MATERIALS semi-finished product；
（4）By step（3）Obtained semi-finished product cross Dual-cone feeding device and twin-screw extrusion unit extrusion stretching and granulation, pass through
The novel flame-retardant cable material is made after air-cooled.
Wherein, each section of temperature control of the twin-screw extrusion unit be since charge door, be followed successively by 90~100 DEG C, 90
~100 DEG C, 90~95 DEG C, 85~90 DEG C, 85~90 DEG C, 75~85 DEG C, 85~90 DEG C, twin-screw head temperature is 90~95
℃。
After tested, the novel flame-retardant cable material parameter described in the present embodiment is as follows：Tensile strength is 15.4MPa, and fracture is stretched
Long rate 343%, oxygen index (OI) is 31.6, and combustion test is by V-0 grades of UL-94, and the cable heat distortion temperatures for passing through 100 DEG C are tested
Low-temperature impact with -35 DEG C is tested.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of novel flame-retardant cable material, it is characterised in that include the raw material of following parts by weight：15~35 parts of polyvinyl chloride, second
3~8 parts of alkene-octene copolymer, 13~18 parts of ethylene-vinyl acetate, 18~33 parts of high impact resistance polypropylene, nitrile rubber 7~
18 parts, 1~2 part of stearic acid, 12~23 parts of filler, 1.5~3.3 parts of heat stabilizer, 0.7~1.2 part of antioxidant, antiseptic 1~2
Part, 4~8 parts of plasticizer, 3~5 parts of compatilizer, 1~3 part of fire retardant.
2. novel flame-retardant cable material according to claim 1, it is characterised in that include the raw material of following parts by weight：Polychlorostyrene
23 parts of ethene, 6 parts of ethylene-octene copolymer, 15.8 parts of ethylene-vinyl acetate, 27 parts of high impact resistance polypropylene, nitrile rubber 11
Part, 1.5 parts of stearic acid, 19 parts of filler, 2.2 parts of heat stabilizer, 1 part of antioxidant, 1.5 parts of antiseptic, 6 parts of plasticizer, compatilizer
3.8 parts, 2.1 parts of fire retardant.
3. novel flame-retardant cable material according to claim 1, it is characterised in that the filler is modified graphene, described
Modified graphene is made by following methods：
（1）Graphene is weighed, high temperature furnace is placed in and is heated 2~4 hours with 400~440 DEG C of temperature, obtain graphene oxide；
（2）Weigh step（1）The graphene oxide of preparation, and thionyl chloride or oxalyl chloride mixing, add catalyst, wherein,
Graphene oxide, thionyl chloride or oxalyl chloride, the ratio between catalyst quality are 1：25~32：0.2~0.5, use oil bath pan with
65~83 DEG C of temperature is heated 20~33 hours, condensing reflux and drying during reaction, while being subject to lasting mechanical agitation, instead
Washed after should terminating with solvent, dry, obtain midbody product A；
（3）It is 1.3~3.9 to weigh mass ratio:1 aliphatic acid polymer mixture and aliphatic polyamine, uses oil bath pan with 160
~190 DEG C of temperature is heated 20~27 hours, and nitrogen is passed to during reaction and is protected, while it is subject to lasting mechanical agitation,
Obtain midbody product B；
（4）By step（3）Obtained midbody product B is with urea with 16.7~23.3:After 1 mass ratio mixing, using oil bath pan
Heated 7~8.6 hours with 100~140 DEG C of temperature, nitrogen is passed to during reaction and is protected, while being subject to lasting machinery
Stirring, obtains mixture C；
（5）By step（2）Obtained midbody product A is with mixture C with 1:After 20~40 mass ratio mixing, using oil bath pan
Heated 12~36 hours with 50~90 DEG C of temperature, condensing reflux and drying during reaction, while it is subject to lasting mechanical agitation,
Reaction is washed after terminating with solvent, is dried, is obtained modified graphene filler.
4. novel flame-retardant cable material according to claim 1, it is characterised in that the plasticizer is trioctyl trimellitate (TOTM)
Or one kind in di-n-octyl sebacate or two kinds.
5. novel flame-retardant cable material according to claim 1, it is characterised in that the antioxidant be four [β-（3,5- bis- uncles
Butyl -4- hydroxy phenyls）Propionic acid] pentaerythritol ester and three ［ 2,4- di-tert-butyl-phenyl ］ phosphite ester mass ratioes are 1：1~
1.5：0.5 compound system.
6. novel flame-retardant cable material according to claim 1, it is characterised in that the fire retardant is antimony oxide, ten
One or more in bromine diphenylethane, Firebrake ZB, aluminium hydroxide, magnesium hydroxide.
7. a kind of method for preparing any one of the claim 1~6 novel flame-retardant cable material, it is characterised in that the preparation
Method comprises the following steps：
（1）Polyvinyl chloride, ethylene-octene copolymer, ethylene-vinyl acetate, high impact resistance polypropylene, fourth are weighed by above-mentioned formula
Nitrile rubber, stearic acid, filler, heat stabilizer, antioxidant, antiseptic, plasticizer, compatilizer, fire retardant, it is standby；
（2）Polyvinyl chloride, ethylene-octene copolymer, compatilizer and high impact resistance polypropylene are well mixed, are placed in close in banbury
Refining 5~10 minutes, mixing temperature is 160~180 DEG C, then puts into plasticizer, and heating stirring to plasticizer is absorbed completely, described
The temperature of heating stirring is 95~108 DEG C；
（3）To step（2）Nitrile rubber, ethylene-vinyl acetate, stearic acid are put into obtained product successively, is well mixed,
Banburying 8~13 minutes together, mixing temperature is 150~170 DEG C, then puts into filler, heat stabilizer, antioxidant, antiseptic, resistance
Agent is fired, heating stirring to raw material is mixed thoroughly, and obtains CABLE MATERIALS semi-finished product；
（4）By step（3）Obtained semi-finished product cross Dual-cone feeding device and twin-screw extrusion unit extrusion stretching and granulation, pass through
The novel flame-retardant cable material is made after air-cooled.
8. preparation method according to claim 7, it is characterised in that each section of temperature control of the twin-screw extrusion unit
Since charge door, be followed successively by 90~100 DEG C, 90~100 DEG C, 90~95 DEG C, 85~90 DEG C, 85~90 DEG C, 75~85 DEG C, 85
~90 DEG C, twin-screw head temperature is 90~95 DEG C.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084608A (en) * | 2017-12-31 | 2018-05-29 | 安徽天星电缆科技有限公司 | A kind of polyvinyl chloride cable sheath material containing graphene oxide |
| CN108102210A (en) * | 2018-02-07 | 2018-06-01 | 合肥安力电力工程有限公司 | A kind of Environment-friendlyflame-retardant flame-retardant cable material and preparation method thereof |
| CN108178889A (en) * | 2017-12-31 | 2018-06-19 | 安徽天星电缆科技有限公司 | A kind of special heat-resisting oil-resistant polyvinyl chloride cable sheath material of robot |
| CN108250632A (en) * | 2018-04-02 | 2018-07-06 | 合肥市闵葵电力工程有限公司 | A kind of high rigidity fire-resistant cable material and preparation method thereof |
| CN108384143A (en) * | 2018-02-26 | 2018-08-10 | 合肥尚强电气科技有限公司 | A kind of freeze proof fire-resistant cable material and preparation method thereof |
| CN108976578A (en) * | 2018-06-14 | 2018-12-11 | 合肥市大卓电力有限责任公司 | A kind of preparation method of fire-resistant cable material |
| CN113362987A (en) * | 2021-07-01 | 2021-09-07 | 铜陵兢强电子科技股份有限公司 | Aluminum-based electromagnetic flat wire for transformer and manufacturing method |
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| CN103524937A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-flame-retardation polyvinyl chloride cable material |
| CN106317706A (en) * | 2016-09-04 | 2017-01-11 | 淄博夸克医药技术有限公司 | High-temperature-resistant anti-cracking flame-retardant cable material and preparation method thereof |
| CN106893217A (en) * | 2015-12-21 | 2017-06-27 | 叶志烈 | A kind of fire-resistant cable material and preparation method thereof |
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| CN103524937A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-flame-retardation polyvinyl chloride cable material |
| CN106893217A (en) * | 2015-12-21 | 2017-06-27 | 叶志烈 | A kind of fire-resistant cable material and preparation method thereof |
| CN106317706A (en) * | 2016-09-04 | 2017-01-11 | 淄博夸克医药技术有限公司 | High-temperature-resistant anti-cracking flame-retardant cable material and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084608A (en) * | 2017-12-31 | 2018-05-29 | 安徽天星电缆科技有限公司 | A kind of polyvinyl chloride cable sheath material containing graphene oxide |
| CN108178889A (en) * | 2017-12-31 | 2018-06-19 | 安徽天星电缆科技有限公司 | A kind of special heat-resisting oil-resistant polyvinyl chloride cable sheath material of robot |
| CN108102210A (en) * | 2018-02-07 | 2018-06-01 | 合肥安力电力工程有限公司 | A kind of Environment-friendlyflame-retardant flame-retardant cable material and preparation method thereof |
| CN108384143A (en) * | 2018-02-26 | 2018-08-10 | 合肥尚强电气科技有限公司 | A kind of freeze proof fire-resistant cable material and preparation method thereof |
| CN108250632A (en) * | 2018-04-02 | 2018-07-06 | 合肥市闵葵电力工程有限公司 | A kind of high rigidity fire-resistant cable material and preparation method thereof |
| CN108976578A (en) * | 2018-06-14 | 2018-12-11 | 合肥市大卓电力有限责任公司 | A kind of preparation method of fire-resistant cable material |
| CN113362987A (en) * | 2021-07-01 | 2021-09-07 | 铜陵兢强电子科技股份有限公司 | Aluminum-based electromagnetic flat wire for transformer and manufacturing method |
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Application publication date: 20171010 |