CN108410160A - A kind of fire-retardant TPU cable jacket materials and preparation method thereof with electro-magnetic screen function - Google Patents
A kind of fire-retardant TPU cable jacket materials and preparation method thereof with electro-magnetic screen function Download PDFInfo
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- CN108410160A CN108410160A CN201810035963.3A CN201810035963A CN108410160A CN 108410160 A CN108410160 A CN 108410160A CN 201810035963 A CN201810035963 A CN 201810035963A CN 108410160 A CN108410160 A CN 108410160A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
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- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
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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
- H01B3/302—Polyurethanes or polythiourethanes; Polyurea or polythiourea
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K2003/2224—Magnesium hydroxide
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- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K3/32—Phosphorus-containing compounds
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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Abstract
The present invention relates to CABLE MATERIALS technical fields, and in particular to a kind of fire-retardant TPU cable jacket materials and preparation method thereof with electro-magnetic screen function, which includes the raw material of following parts by weight：25 85 parts of thermoplastic polyurethane, 5 45 parts of carbon nanotube, 5 35 parts of fire retardant, 0.5 5 parts of compatilizer, 0.02 0.1 parts of antioxidant；Wherein, the carbon nanotube is the single-walled carbon nanotube or multi-walled carbon nanotube of the acidified processing in surface.The TPU cable jacket materials of the present invention have electro-magnetic screen function, its shield effectiveness SE values can reach 17 50db, and flame retardant effect is excellent, single vertical combustion testing can reach V0 grades, and intensity is high, and tensile strength can reach 25MPa or more, flexibility is good, elongation at break is high, and elongation at break can reach 400% or more, excellent in mechanical performance.
Description
Technical field
The present invention relates to CABLE MATERIALS technical fields, and in particular to a kind of fire-retardant TPU cable protections with electro-magnetic screen function
Jacking and preparation method thereof.
Background technology
Currently, cable is widely used in electric system, information transmission and the fields such as instrument system, still, with traditional
Covering material of cable is easy to happen catching fire in use made of high molecular material PVC, causes fire, due to PVC
In chlorinity be up to 60%, will produce the smog of the toxic gases such as hydrogen halides and carbon monoxide in combustion.
Polyurethane elastomer refers to containing more carbamate groups functional group (NH-CO-O-) on macromolecular main chain
A kind of elastomer polymer is typical segmented copolymer, with wearability is good, hardness range is wide, intensity is high, elongation
Many advantages, such as high, load support capacity is greatly, good damping effect, resistance to low temperature are good and oil-resistant weather-resistant can be excellent.According to adding
The difference of work method, polyurethane elastomer generally can be divided into thermoplastic polyurethane elastomer (TPU), casting type polyurethane elastomer
With blending-type polyurethane elastomer.Wherein, thermoplastic polyurethane elastomer (TPU) is good with elasticity, physical property is good and mechanical strength
The features such as good, therefore be widely used in injection, extrusion, roll and be dissolved into the processing methods such as solution resin, it is plastic cement processing
The plastic material that dealer is commonly used, feature make it can also be applied in electric wire industry.
But general thermoplastic polyurethane elastomer does not have anti-flammability, and with wireless communication tool, radio and television
The high speed development of industry, the all-round popularization of office computer automation, the rapid proliferation of electric vehicle, electromagnetic radiation is not nowhere not
, it is all-pervasive, become a kind of novel environmental pollution.To fetus, the influence of child is maximum, is exposed to electricity for a long time for electromagnetic radiation
Under magnetic radiation, cancer, leukaemia etc. can be induced, becomes the inducement of many diseases.In addition, electromagnetic interference can also be to instrument, instrument
Table interferes, and causes to be unable to normal use, and especially in field of medical device, instrument precision is high, and the electromagnetism that cable generates is dry
Disturb is the main reason for influencing instrument normal work.Therefore, it is necessary to research and develop a kind of fire-retardant TPU electricity with electro-magnetic screen function
Cable protective cover material.
Invention content
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide one kind having electromagnetic screen
The fire-retardant TPU cable jacket materials of function are covered, which has electro-magnetic screen function, and flame retardant effect is excellent, intensity
Height, flexibility is good, and elongation at break is high, excellent in mechanical performance.
Another object of the present invention is to provide a kind of preparations of the fire-retardant TPU cable jacket materials with electro-magnetic screen function
Method, the preparation method step is simple, convenient operation and control, stable quality, and production efficiency is high, and production cost is low, can be extensive
Chemical industry produces.
The purpose of the invention is achieved by the following technical solution：A kind of fire-retardant TPU cable protections with electro-magnetic screen function
Jacking includes the raw material of following parts by weight：
Preferably, the thermoplastic polyurethane is polyether polyurethane, polyester polyurethane and polycarbonate polyurethane
At least one of.More preferably, the thermoplastic polyurethane be hardness in 60-90A, fusing point at 170-200 DEG C and 190
Melt index is the polyether thermoplastic elastomer of 0.5-10g/10min at a temperature of DEG C.The present invention passes through above-mentioned thermoplastic poly ammonia
Ester, TPU cable jacket materials obtained have excellent comprehensive performance, the processing performances such as high intensity, high tenacity, wear-resisting, oil resistant good.
Preferably, the carbon nanotube is the single-walled carbon nanotube or multi-walled carbon nanotube of the acidified processing in surface.Carbon is received
After the acidified processing of mitron, carboxyl, carbonyl isopolarity group are contained in surface so that the carbon nanotube after acidification is in composite wood
Dispersion in material is more uniform, can improve carbon nanotube and the compatibility of polyurethane.
Preferably, a diameter of 10-100nm of the carbon nanotube, draw ratio 100-1000.The present invention is by using straight
The carbon nanotube that diameter is 10-100nm, draw ratio is 100-1000 so that TPU cable jacket materials have electro-magnetic screen function, greatly
Reduce injury of the electromagnetic radiation to human body greatly.More preferably, a diameter of 20-60nm of the carbon nanotube, draw ratio are
200-600。
Preferably, the fire retardant is halogen-free flame retardants, and dosage is 10-35 parts；The halogen-free flame retardants be ammonium phosphate,
Ammonium polyphosphate, ammonium polyphosphate modifying, hypo-aluminum orthophosphate, melamine and its compound, zinc borate, montmorillonite, clay, metal hydrogen-oxygen
At least one of compound, organophosphorus compounds, organic hypophosphites compound and polyalcohol.
Wherein, the ammonium polyphosphate modifying is piperazine ammonium polyphosphate modifying, ethylenediamine ammonium polyphosphate modifying, diethylenetriamine
At least one of ammonium polyphosphate modifying and hydroxyethyl ethylenediamine ammonium polyphosphate modifying.
The melamine and its compound are melamine, melamine phosphate, melamine polyphosphate, trimerization
Pyrophosphate, melamine hypophosphite, melamine phosphite, melamine cyanurate and 2- carboxyethyl phenyls
At least one of phosphinic acids melamine salt.
The metal hydroxides is aluminium hydroxide and/magnesium hydroxide.
The organophosphorus compounds is trimethyl phosphate, triethyl phosphate, tricresyl phosphate propyl ester, tributyl phosphate, phosphorus
Sour three (2- ethylhexyls) esters, tricresyl phosphate (2- chloroethyls) ester, tricresyl phosphate (2,3- bis- chloropropyl) ester, tricresyl phosphate (2,3- dibromos
Propyl) in ester, tricresyl phosphate-diphenyl ester, tricresyl phosphate, triphenyl phosphate and phosphoric acid (2- ethylhexyls)-diphenyl ester
It is at least one.
The organic hypophosphites compound is hypophosphorous acid trimethyl, hypophosphorous acid triethyl, three propyl ester of hypophosphorous acid and secondary phosphorus
At least one of sour tributyl.
The polyalcohol is at least one of polyester polyol, polyether polyol and phosphorus-containing polyol.
More preferably, the halogen-free flame retardants is by poly cyanamid cyanurate, triphenyl phosphate, magnesium hydroxide and Meng Tuo
Soil is with weight ratio 1-2:0.8-1.2:1:The mixture of 0.4-0.8 compositions.
The present invention can improve the anti-flammability of material by using above-mentioned halogen-free flame retardants, to greatly improve its use
Safety further, since fire retardant is not halogen, therefore has the characteristics that environment-protecting and non-poisonous.
Another preferred, the fire retardant is by halogen containing flame-retardant and synergistic flame retardant with weight ratio 4-8:1-2 compositions
Mixture, dosage are 5-15 parts；The halogen containing flame-retardant is 2,6- dibromobenzene aethers, tetrabromobisphenol A, hexabromocyclododecane, eight
Bromo-ether, decabromodiphenylethane, poly- phenyl-pentabromide phenolic group acrylate, brominated polycarbonate, brominated epoxy resin and brominated polyphenylene second
At least one of alkene；The synergistic flame retardant is antimony oxide, bismuth oxide, molybdenum trioxide, di-iron trioxide, oxidation
At least one of tin, zinc oxide, zinc borate and zinc sulfate.More preferably, the fire retardant be by decabromodiphenylethane and
Antimony oxide is with weight ratio 4-8:The mixture of 1-2 compositions.
The present invention is used in compounding by using above-mentioned halogen containing flame-retardant and synergistic flame retardant, has excellent flame retardant property,
And it is cheap, stability is good, additive amount is few, good with the compatibility of synthetic resin material, and the original reason of material can be kept
Change performance.
The present invention is used in compounding by using halogen containing flame-retardant and synergistic flame retardant, can greatly reduce inorganic combustion inhibitor
Usage amount will not be to the processability of composite material to there is too big harmful effect to the mechanical property of composite material
It can cause harmful effect.
Preferably, the compatilizer is polyurethane prepolymer modified maleic acid anhydride grafted polyethylene, divinyl tetramethyl
Disiloxane, vinyl triethoxyl siloxanes, vinyl trichlorosilane, vinyl three (beta-methoxy ethyoxyl) silane, γ-contracting
Water glycerine ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl-trimethoxy silane, N- (β-aminoethyl)-
γ-aminopropyl-Methyl-trimethoxy silane, γ-chloropropyl-trimethoxy silicon, γ-mercapto propyl-trimethoxysilane, γ-ammonia
Propyl-triethoxysilicane, 3- isocyanate group propyl-triethoxysilicane, γ-(2,3- glycidoxies) propyl trimethoxy
At least one of silane and N- (β-aminoethyl)-γ-aminopropyls-trimethoxy silane.More preferably, the compatilizer is
By polyurethane prepolymer modified maleic acid anhydride grafted polyethylene, γ-glycidyl ether oxygen propyl trimethoxy silicane and γ-ammonia third
Ethyl triethoxy silicane alkane is with weight ratio 1-2:0.5-1.5：The mixture of 1 composition.
The present invention can improve inorganic filler and organic resin compatibility by using above-mentioned compatilizer, improve composite material
Tensile strength and tearing strength, improve rheological performance, improve surface smoothness, it is scratch resistant white.
Preferably, the antioxidant is four [methylene -3,5- (di-t-butyl -4- hydroxy-phenies) propionic ester] Ji Wusi
Alcohol ester, N, bis- [[3- (3,5)--4 hydroxy phenyl of the di-t-butyl] propiono] hexamethylene diamines of N ' -, three [2,4- di-tert-butyl-phenyls] are sub-
Phosphate, diphosphorous acid pentaerythrite tristearin alcohol ester and β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester
At least one of.More preferably, the antioxidant is by four [methylene -3,5- (di-t-butyl -4- hydroxy-phenies) third
Acid esters] pentaerythritol ester, three [2,4- di-tert-butyl-phenyls] phosphite esters and β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid
Positive octadecanol ester is with weight ratio 1:0.2-0.6:The mixture of 0.4-0.8 compositions.
The present invention can delay or inhibit the progress of material oxidation process, to prevent material by using above-mentioned antioxidant
The aging of material simultaneously extends its service life.
Preferably, further include 0.02-0.1 parts of 1-10 parts of smoke suppressant and anti-hydrolysis agent；The smoke suppressant is molybdenum compound, iron
At least one of compound, metal oxide, magnesium zinc complexes and zinc compound.
Wherein, the molybdenum compound is molybdenum trioxide and/or ammonium octamolybdate.The iron compound is ferrocene.The gold
Category oxide is at least one of magnesia, zinc oxide, nickel oxide, zirconium oxide, antimony trioxide and antimony pentoxide.The magnesium
Zinc complexes are magnesia and zinc oxide composites.The zinc compound is at least one in zinc borate, zinc aluminate and zinc stannate
Kind.
More preferably, the smoke suppressant is by ferrocene, antimony oxide and zinc borate with weight ratio 0.5-1.5:
1.5-2.5:The mixture of 1 composition.
For the present invention by using above-mentioned smoke suppressant, smoke suppressing effect is good, can reduce thermoplastic polyurethane and be produced in burning
Raw toxic gas and smog.
The anti-hydrolysis agent is at least one of carbodiimides, double carbide imine and polycarbodiimide.More
Preferably, the anti-hydrolysis agent is by carbodiimides and double carbide imine with weight ratio 0.8-1.2:The mixture of 1 composition.
The present invention can delay or inhibit the progress of material hydrolytic process, to prevent by using above-mentioned anti-hydrolysis agent
Material is hydrolyzed and extends its service life.
Preferably, further include 0.5-1.5 parts of 0.2-1.0 parts of UV resistant agent and lubricant.
The UV resistant agent is phenyl salicylate, Ultraviolet Absorber UV-P, ultra-violet absorber UV-O, ultraviolet light suction
Receive agent UV-9, ultraviolet absorbent UV-531, ultra-violet absorber UVP-327, ultra-violet absorber RMB, light stabilizer AM-
101, at least one of light stabilizer 744, light stabilizer HPT and 2,4,6- tri- (2 ' n-butoxyphenyl) -1,3,5- triazines.
More preferably, the ultra-violet absorber is by ultraviolet absorbent UV-531, ultra-violet absorber RMB and light stabilizer
744 with weight ratio 0.8-1.2:0.5-1.5:The mixture of 1 composition.
The present invention is by using above-mentioned UV resistant agent, with excellent when can absorb ultraviolet light strongly, and be used in compounding
Synergistic effect.
The lubricant is atoleine, solid paraffin, natural paraffin wax, microcrystalline wax, chlorinated paraffin, polyethylene wax, oxygen
It is hard to change polyethylene wax, aliphatic acid, butyl stearate, glycerin monostearate, ethylene bis stearamide, oleamide, pentaerythrite
Resin acid ester, N, N- ethylenebis Stearyl Amine, N, in N- ethylenebis ricinoleic acids acid amide, silicone and fluoropolymer at least
It is a kind of.More preferably, the lubricant is by oxidized polyethylene wax, pentaerythritol stearate and silicone with weight ratio 2-4:
0.5-1.5:The mixture of 1 composition.
For the present invention by using above-mentioned lubricant, can make material in process improves the mobility and product of material
Release property, improve the processing performance of material.
A kind of preparation method of the fire-retardant TPU cable jacket materials with electro-magnetic screen function, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender and is uniformly mixed, obtains mixture；
(2) the fire-retardant TPU with electro-magnetic screen function is made by double screw extruder extruding pelletization in mixture
Cable jacket material；
Wherein, the extruder temperature of the double screw extruder is 170-210 DEG C, screw speed 200-600r/min.
The beneficial effects of the present invention are：The TPU cable jacket materials of the present invention have electro-magnetic screen function, and flame retardant effect
Excellent, intensity is high, and flexibility is good, and elongation at break is high, excellent in mechanical performance.
The preparation method step of the present invention is simple, convenient operation and control, stable quality, and production efficiency is high, and production cost is low,
It can large-scale industrial production.
Specific implementation mode
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function, include the raw material of following parts by weight：
The thermoplastic polyurethane is polyether polyurethane.
The carbon nanotube is the single-walled carbon nanotube of the acidified processing in surface.
A diameter of 10nm of the carbon nanotube, draw ratio 100.
The fire retardant is halogen-free flame retardants；The halogen-free flame retardants be ammonium phosphate, ammonium polyphosphate, ammonium polyphosphate modifying,
Hypo-aluminum orthophosphate or melamine and its compound.
The compatilizer is polyurethane prepolymer modified maleic acid anhydride grafted polyethylene.
The antioxidant is four [methylene -3,5- (di-t-butyl -4- hydroxy-phenies) propionic ester] pentaerythritol esters.
Further include 0.02 part of 1 part of smoke suppressant and anti-hydrolysis agent；The smoke suppressant is molybdenum compound；The anti-hydrolysis agent is carbon
Change diimine.
A kind of preparation method of the fire-retardant TPU cable jacket materials with electro-magnetic screen function, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender and is uniformly mixed, obtains mixture；
(2) the fire-retardant TPU with electro-magnetic screen function is made by double screw extruder extruding pelletization in mixture
Cable jacket material；
Wherein, the extruder temperature of the double screw extruder is 170 DEG C, screw speed 200r/min.
Embodiment 2
A kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function, include the raw material of following parts by weight：
The thermoplastic polyurethane is polyester polyurethane.
The carbon nanotube is the multi-walled carbon nanotube of the acidified processing in surface.
A diameter of 20nm of the carbon nanotube, draw ratio 200.
The fire retardant is by halogen containing flame-retardant and synergistic flame retardant with weight ratio 4:The mixture of 1 composition；It is described halogen
Fire retardant is 2,6- dibromobenzene aethers, tetrabromobisphenol A, hexabromocyclododecane, eight bromo ether, decabromodiphenylethane or poly- phenyl-pentabromide phenolic group
Acrylate；The synergistic flame retardant is antimony oxide, bismuth oxide, molybdenum trioxide or di-iron trioxide.
The compatilizer is divinyl tetramethyl disiloxane, vinyl triethoxyl siloxanes, vinyl trichlorine silicon
Alkane or vinyl three (beta-methoxy ethyoxyl) silane.
The antioxidant is N, bis- [[3- (3,5)--4 hydroxy phenyl of the di-t-butyl] propiono] hexamethylene diamines of N ' -.
Further include 0.04 part of 3 parts of smoke suppressant and anti-hydrolysis agent；The smoke suppressant is iron compound；The anti-hydrolysis agent is double
Carbodiimides.
A kind of preparation method of the fire-retardant TPU cable jacket materials with electro-magnetic screen function, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender and is uniformly mixed, obtains mixture；
(2) the fire-retardant TPU with electro-magnetic screen function is made by double screw extruder extruding pelletization in mixture
Cable jacket material；
Wherein, the extruder temperature of the double screw extruder is 180 DEG C, screw speed 300r/min.
Embodiment 3
A kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function, include the raw material of following parts by weight：
The thermoplastic polyurethane is polycarbonate polyurethane.
The carbon nanotube is the single-walled carbon nanotube of the acidified processing in surface.
A diameter of 50nm of the carbon nanotube, draw ratio 500.
The fire retardant is halogen-free flame retardants；The halogen-free flame retardants is zinc borate, montmorillonite, clay or metal hydroxide
Object.
The compatilizer is γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl-three
Methoxy silane or N- (β-aminoethyl)-γ-aminopropyls-Methyl-trimethoxy silane.
The antioxidant is three [2,4- di-tert-butyl-phenyls] phosphite esters.
Further include 0.06 part of 5 parts of smoke suppressant and anti-hydrolysis agent；The smoke suppressant is metal oxide；The anti-hydrolysis agent is
Polycarbodiimide.
A kind of preparation method of the fire-retardant TPU cable jacket materials with electro-magnetic screen function, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender and is uniformly mixed, obtains mixture；
(2) the fire-retardant TPU with electro-magnetic screen function is made by double screw extruder extruding pelletization in mixture
Cable jacket material；
Wherein, the extruder temperature of the double screw extruder is 190 DEG C, screw speed 400r/min.
Embodiment 4
A kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function, include the raw material of following parts by weight：
The thermoplastic polyurethane is polyether polyurethane.
The carbon nanotube is the multi-walled carbon nanotube of the acidified processing in surface.
A diameter of 60nm of the carbon nanotube, draw ratio 600.
The fire retardant is by halogen containing flame-retardant and synergistic flame retardant with weight ratio 8:The mixture of 2 compositions；It is described halogen
Fire retardant is brominated polycarbonate, brominated epoxy resin or brominated Polystyrene；The synergistic flame retardant is tin oxide, oxidation
Zinc, zinc borate or zinc sulfate.
The compatilizer is γ-chloropropyl-trimethoxy silicon, γ-mercapto propyl-trimethoxysilane or γ-aminopropyl three
Ethoxysilane.
The antioxidant is diphosphorous acid pentaerythrite tristearin alcohol ester.
Further include 0.08 part of 8 parts of smoke suppressant and anti-hydrolysis agent；The smoke suppressant is magnesium zinc complexes；The anti-hydrolysis agent is
Carbodiimides.
A kind of preparation method of the fire-retardant TPU cable jacket materials with electro-magnetic screen function, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender and is uniformly mixed, obtains mixture；
(2) the fire-retardant TPU with electro-magnetic screen function is made by double screw extruder extruding pelletization in mixture
Cable jacket material；
Wherein, the extruder temperature of the double screw extruder is 200 DEG C, screw speed 500r/min.
Embodiment 5
A kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function, include the raw material of following parts by weight：
The thermoplastic polyurethane is polyester polyurethane.
The carbon nanotube is the single-walled carbon nanotube of the acidified processing in surface.
A diameter of 100nm of the carbon nanotube, draw ratio 1000.
The fire retardant is halogen-free flame retardants；The halogen-free flame retardants is organophosphorus compounds, organic hypophosphites
Compound or polyalcohol.
The compatilizer is 3- isocyanate group propyl-triethoxysilicane, γ-(2,3- glycidoxies) propyl front three
Oxysilane or N- (β-aminoethyl)-γ-aminopropyls-trimethoxy silane.
The antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester.
Further include 0.1 part of 10 parts of smoke suppressant and anti-hydrolysis agent；The smoke suppressant is zinc compound；The anti-hydrolysis agent is double
Carbodiimides.
A kind of preparation method of the fire-retardant TPU cable jacket materials with electro-magnetic screen function, includes the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender and is uniformly mixed, obtains mixture；
(2) the fire-retardant TPU with electro-magnetic screen function is made by double screw extruder extruding pelletization in mixture
Cable jacket material；
Wherein, the extruder temperature of the double screw extruder is 210 DEG C, screw speed 600r/min.
Embodiment 6
The present embodiment and above-described embodiment 1 the difference is that：
The thermoplastic polyurethane is that hardness melt index at a temperature of 60A, fusing point are in 170 DEG C and 190 DEG C is 0.5g/
The polyether thermoplastic elastomer of 10min.
The halogen-free flame retardants is by poly cyanamid cyanurate, triphenyl phosphate, magnesium hydroxide and montmorillonite with weight ratio
1:0.8:1:The mixture of 0.4 composition.
The compatilizer is by polyurethane prepolymer modified maleic acid anhydride grafted polyethylene, γ-glycidyl ether oxygen propyl
Trimethoxy silane and gamma-aminopropyl-triethoxy-silane are with weight ratio 1:0.5：The mixture of 1 composition.
The antioxidant be by four [methylene -3,5- (di-t-butyl -4- hydroxy-phenies) propionic ester] pentaerythritol esters,
Three [2,4- di-tert-butyl-phenyls] phosphite esters and β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol esters are with weight
Measure ratio 1:0.2:The mixture of 0.4 composition.
The smoke suppressant is by ferrocene, antimony oxide and zinc borate with weight ratio 0.5:1.5:The mixture of 1 composition.
The anti-hydrolysis agent is by carbodiimides and double carbide imine with weight ratio 0.8:The mixture of 1 composition.
Further include 0.5 part of 0.2 part of UV resistant agent and lubricant.
The ultra-violet absorber be by ultraviolet absorbent UV-531, ultra-violet absorber RMB and light stabilizer 744 with
Weight ratio 0.8:0.5:The mixture of 1 composition.
The lubricant is by oxidized polyethylene wax, pentaerythritol stearate and silicone with weight ratio 2:0.5:1 composition
Mixture.
Embodiment 7
The present embodiment and above-described embodiment 2 the difference is that：
The thermoplastic polyurethane is that hardness melt index at a temperature of 70A, fusing point are in 190 DEG C and 190 DEG C is 2g/
The polyether thermoplastic elastomer of 10min.
The fire retardant is by decabromodiphenylethane and antimony oxide with weight ratio 4:The mixture of 1 composition.
The compatilizer is by polyurethane prepolymer modified maleic acid anhydride grafted polyethylene, γ-glycidyl ether oxygen propyl
Trimethoxy silane and gamma-aminopropyl-triethoxy-silane are with weight ratio 1.5:0.8：The mixture of 1 composition.
The antioxidant be by four [methylene -3,5- (di-t-butyl -4- hydroxy-phenies) propionic ester] pentaerythritol esters,
Three [2,4- di-tert-butyl-phenyls] phosphite esters and β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol esters are with weight
Measure ratio 1:0.3:The mixture of 0.5 composition.
The smoke suppressant is by ferrocene, antimony oxide and zinc borate with weight ratio 0.8:1.8:The mixture of 1 composition.
The anti-hydrolysis agent is by carbodiimides and double carbide imine with weight ratio 0.9:The mixture of 1 composition.
Further include 0.8 part of 0.4 part of UV resistant agent and lubricant.
The ultra-violet absorber be by ultraviolet absorbent UV-531, ultra-violet absorber RMB and light stabilizer 744 with
Weight ratio 0.9:0.8:The mixture of 1 composition.
The lubricant is by oxidized polyethylene wax, pentaerythritol stearate and silicone with weight ratio 2.5:0.8:1 group
At mixture.
Embodiment 8
The present embodiment and above-described embodiment 3 the difference is that：
The thermoplastic polyurethane is that hardness melt index at a temperature of 75A, fusing point are in 185 DEG C and 190 DEG C is 5g/
The polyether thermoplastic elastomer of 10min.
The halogen-free flame retardants is by poly cyanamid cyanurate, triphenyl phosphate, magnesium hydroxide and montmorillonite with weight ratio
1.5:1:1:The mixture of 0.6 composition.
The compatilizer is by polyurethane prepolymer modified maleic acid anhydride grafted polyethylene, γ-glycidyl ether oxygen propyl
Trimethoxy silane and gamma-aminopropyl-triethoxy-silane are with weight ratio 1.5:1：The mixture of 1 composition.
The antioxidant be by four [methylene -3,5- (di-t-butyl -4- hydroxy-phenies) propionic ester] pentaerythritol esters,
Three [2,4- di-tert-butyl-phenyls] phosphite esters and β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol esters are with weight
Measure ratio 1:0.4:The mixture of 0.6 composition.
The smoke suppressant is by ferrocene, antimony oxide and zinc borate with weight ratio 1:2:The mixture of 1 composition.
The anti-hydrolysis agent is by carbodiimides and double carbide imine with weight ratio 1:The mixture of 1 composition.
Further include 1 part of 0.6 part of UV resistant agent and lubricant.
The ultra-violet absorber be by ultraviolet absorbent UV-531, ultra-violet absorber RMB and light stabilizer 744 with
Weight ratio 1:1:The mixture of 1 composition.
The lubricant is by oxidized polyethylene wax, pentaerythritol stearate and silicone with weight ratio 3:1:1 composition
Mixture.
Embodiment 9
The present embodiment and above-described embodiment 4 the difference is that：
The thermoplastic polyurethane is that hardness melt index at a temperature of 80A, fusing point are in 190 DEG C and 190 DEG C is 8g/
The polyether thermoplastic elastomer of 10min.
The fire retardant is by decabromodiphenylethane and antimony oxide with weight ratio 8:The mixture of 2 compositions.
The compatilizer is by polyurethane prepolymer modified maleic acid anhydride grafted polyethylene, γ-glycidyl ether oxygen propyl
Trimethoxy silane and gamma-aminopropyl-triethoxy-silane are with weight ratio 1.8:1.2：The mixture of 1 composition.
The antioxidant be by four [methylene -3,5- (di-t-butyl -4- hydroxy-phenies) propionic ester] pentaerythritol esters,
Three [2,4- di-tert-butyl-phenyls] phosphite esters and β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol esters are with weight
Measure ratio 1:0.5:The mixture of 0.7 composition.
The smoke suppressant is by ferrocene, antimony oxide and zinc borate with weight ratio 1.2:2.2:The mixture of 1 composition.
The anti-hydrolysis agent is by carbodiimides and double carbide imine with weight ratio 1.1:The mixture of 1 composition.
Further include 1.2 parts of 0.8 part of UV resistant agent and lubricant.
The ultra-violet absorber be by ultraviolet absorbent UV-531, ultra-violet absorber RMB and light stabilizer 744 with
Weight ratio 1.1:1.2:The mixture of 1 composition.
The lubricant is by oxidized polyethylene wax, pentaerythritol stearate and silicone with weight ratio 3.5:1.2:1 group
At mixture.
Embodiment 10
The present embodiment and above-described embodiment 5 the difference is that：
The thermoplastic polyurethane is that hardness melt index at a temperature of 90A, fusing point are in 200 DEG C and 190 DEG C is 10g/
The polyether thermoplastic elastomer of 10min.
The halogen-free flame retardants is by poly cyanamid cyanurate, triphenyl phosphate, magnesium hydroxide and montmorillonite with weight ratio
2:1.2:1:The mixture of 0.8 composition.
The compatilizer is by polyurethane prepolymer modified maleic acid anhydride grafted polyethylene, γ-glycidyl ether oxygen propyl
Trimethoxy silane and gamma-aminopropyl-triethoxy-silane are with weight ratio 2:1.5：The mixture of 1 composition.
The antioxidant be by four [methylene -3,5- (di-t-butyl -4- hydroxy-phenies) propionic ester] pentaerythritol esters,
Three [2,4- di-tert-butyl-phenyls] phosphite esters and β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol esters are with weight
Measure ratio 1:0.6:The mixture of 0.8 composition.
The smoke suppressant is by ferrocene, antimony oxide and zinc borate with weight ratio 1.5:2.5:The mixture of 1 composition.
The anti-hydrolysis agent is by carbodiimides and double carbide imine with weight ratio 1.2:The mixture of 1 composition.
Further include 1.5 parts of 1.0 parts of UV resistant agent and lubricant.
The ultra-violet absorber be by ultraviolet absorbent UV-531, ultra-violet absorber RMB and light stabilizer 744 with
Weight ratio 1.2:1.5:The mixture of 1 composition.
The lubricant is by oxidized polyethylene wax, pentaerythritol stearate and silicone with weight ratio 4:1.5:1 composition
Mixture.
There is TPU cable jacket materials produced by the present invention electro-magnetic screen function, shield effectiveness SE values can reach 17-
50db, and flame retardant effect is excellent, single vertical combustion testing can reach V0 grades, and intensity is high, and tensile strength can reach 25MPa
More than, flexibility is good, and elongation at break is high, and elongation at break can reach 400% or more, excellent in mechanical performance.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other manner,
Any obvious replacement is not departed under the premise of present inventive concept within protection scope of the present invention.
Claims (9)
1. a kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function, it is characterised in that：Include the original of following parts by weight
Material：
Wherein, the carbon nanotube is the single-walled carbon nanotube or multi-walled carbon nanotube of the acidified processing in surface.
2. a kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function according to claim 1, it is characterised in that：
The thermoplastic polyurethane is at least one of polyether polyurethane, polyester polyurethane and polycarbonate polyurethane.
3. a kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function according to claim 1, it is characterised in that：
A diameter of 10-100nm of the carbon nanotube, draw ratio 100-1000.
4. a kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function according to claim 3, it is characterised in that：
A diameter of 20-60nm of the carbon nanotube, draw ratio 200-600.
5. a kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function according to claim 1, it is characterised in that：
The fire retardant is halogen-free flame retardants, and dosage is 10-35 parts；The halogen-free flame retardants is ammonium phosphate, ammonium polyphosphate, is modified and gathers
Ammonium phosphate, hypo-aluminum orthophosphate, melamine and its compound, zinc borate, montmorillonite, clay, metal hydroxides, organophosphorus ester
At least one of compound, organic hypophosphites compound and polyalcohol.
6. a kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function according to claim 1, it is characterised in that：
The fire retardant is by halogen containing flame-retardant and synergistic flame retardant with weight ratio 4-8:The mixture of 1-2 compositions, dosage 5-15
Part；The halogen containing flame-retardant is 2,6- dibromobenzene aethers, tetrabromobisphenol A, hexabromocyclododecane, eight bromo ether, decabromodiphenylethane, gathers
At least one of phenyl-pentabromide phenolic group acrylate, brominated polycarbonate, brominated epoxy resin and brominated Polystyrene；The association
Effect fire retardant is antimony oxide, bismuth oxide, molybdenum trioxide, di-iron trioxide, tin oxide, zinc oxide, zinc borate and sulphur
At least one of sour zinc.
7. a kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function according to claim 1, it is characterised in that：
The compatilizer is polyurethane prepolymer modified maleic acid anhydride grafted polyethylene, divinyl tetramethyl disiloxane, vinyl
Triethoxy silica alkane, vinyl trichlorosilane, vinyl three (beta-methoxy ethyoxyl) silane, γ-glycidyl ether oxygen propyl
Trimethoxy silane, γ-methacryloxypropyl-trimethoxy silane, N- (β-aminoethyl)-γ-aminopropyls-methyl-
Trimethoxy silane, γ-chloropropyl-trimethoxy silicon, γ-mercapto propyl-trimethoxysilane, gamma-aminopropyl-triethoxy silicon
Alkane, 3- isocyanate group propyl-triethoxysilicane, γ-(2,3- glycidoxies) propyl trimethoxy silicanes and N- (β-ammonia
At least one of ethyl)-γ-aminopropyls-trimethoxy silane.
8. a kind of fire-retardant TPU cable jacket materials with electro-magnetic screen function according to claim 1, it is characterised in that：
The antioxidant is four [methylene -3,5- (di-t-butyl -4- hydroxy-phenies) propionic ester] pentaerythritol esters, N, the bis- [[3- of N ' -
(3,5)--4 hydroxy phenyl of di-t-butyl] propiono] hexamethylene diamine, three [2,4- di-tert-butyl-phenyls] phosphite esters, diphosphorous acid
At least one of pentaerythrite tristearin alcohol ester and β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester.
9. such as a kind of preparation of the fire-retardant TPU cable jacket materials with electro-magnetic screen function of claim 1-8 any one of them
Method, it is characterised in that：Include the following steps：
(1) above-mentioned raw materials mixing is weighed by weight ratio, is put into high speed blender and is uniformly mixed, obtains mixture；
(2) the fire-retardant TPU cables with electro-magnetic screen function are made by double screw extruder extruding pelletization in mixture
Protective cover material；
Wherein, the extruder temperature of the double screw extruder is 170-210 DEG C, screw speed 200-600r/min.
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Cited By (9)
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| CN110452520A (en) * | 2019-07-05 | 2019-11-15 | 安徽钒波光电科技有限公司 | Block water anti-freeze cable jacket material and preparation method thereof |
| CN110903633A (en) * | 2019-11-28 | 2020-03-24 | 苏州市雄林新材料科技有限公司 | High-scratch-resistance TPU (thermoplastic polyurethane) film and preparation method thereof |
| CN111019322A (en) * | 2019-12-06 | 2020-04-17 | 上海皆利新材料科技有限公司 | High-performance high-flame-retardant halogen-free TPU material and preparation method thereof |
| CN111434718A (en) * | 2019-01-11 | 2020-07-21 | 汉达精密电子(昆山)有限公司 | TPU conductive material and product thereof |
| CN111434719A (en) * | 2019-01-11 | 2020-07-21 | 汉达精密电子(昆山)有限公司 | TPU antistatic material and product thereof |
| CN113881216A (en) * | 2021-11-24 | 2022-01-04 | 国网河南省电力公司镇平县供电公司 | Wear-resistant flame-retardant modified polyurethane cable material and preparation method thereof |
| CN113881217A (en) * | 2021-10-08 | 2022-01-04 | 广州敬信高聚物科技有限公司 | Scratch-resistant flame-retardant thermoplastic polyurethane material and preparation method and application thereof |
| CN114231016A (en) * | 2021-12-14 | 2022-03-25 | 会通新材料(上海)有限公司 | Halogen-free flame-retardant thermoplastic polyurethane cable material and preparation method thereof |
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| CN113881216A (en) * | 2021-11-24 | 2022-01-04 | 国网河南省电力公司镇平县供电公司 | Wear-resistant flame-retardant modified polyurethane cable material and preparation method thereof |
| CN114231016A (en) * | 2021-12-14 | 2022-03-25 | 会通新材料(上海)有限公司 | Halogen-free flame-retardant thermoplastic polyurethane cable material and preparation method thereof |
| CN114456615A (en) * | 2022-03-03 | 2022-05-10 | 广东新亚光电缆股份有限公司 | Fireproof medium-voltage cable |
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Application publication date: 20180817 |