CN104200905A - Irradiation cross-linking high-performance high flame-resistant electric wire and cable and preparation method thereof - Google Patents
Irradiation cross-linking high-performance high flame-resistant electric wire and cable and preparation method thereof Download PDFInfo
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- CN104200905A CN104200905A CN201410443957.3A CN201410443957A CN104200905A CN 104200905 A CN104200905 A CN 104200905A CN 201410443957 A CN201410443957 A CN 201410443957A CN 104200905 A CN104200905 A CN 104200905A
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Abstract
The invention provides an irradiation cross-linking high-performance high flame-resistant electric wire and cable which comprises conductors. A shielding layer is arranged outside each conductor, an irradiation cross-linking polyethylene insulation layer is arranged outside each shielding layer, a fire-resistant mica layer is arranged outside each irradiation cross-linking polyethylene insulation layer, the conductors are filled with rock wool ropes, a flame-resistant belt is arranged outside the conductors and the rock wool ropes, a flame-resistant polyethylene inner protection layer is arranged outside the flame-resistant belt, an armor layer is arranged outside the flame-resistant polyethylene inner protection layer, a flame-resistant polyethylene outer protection layer is arranged outside the armor layer, an abrasion-resistant layer is arranged outside the flame-resistant polyethylene outer protection layer, and an ultraviolet-proof layer coats the abrasion-resistant layer. The invention further provides a preparation method of the electric wire and cable. The irradiation cross-linking polyethylene insulation layers, the fire-resistant mica layers, the rock wool ropes, the flame-resistant polyethylene inner protection layer, the flame-resistant polyethylene outer protection layer and the abrasion-resistant layer have flame resistance, multiple layers are set, and the flame resistance of the electric wire and cable is far higher than that of similar products.
Description
Technical field
The present invention relates to a kind of electric wire and preparation method thereof, be specifically related to a kind of cross-linking radiation high-performance high flame-retardant electric wire and cable and preparation method thereof.
Background technology
Electric wire is a kind of in order to transmit electricity (magnetic) energy, information and the wire product of realizing electromagnetic energy conversion.Electric wire, as the main carriers of electric power transfer, is widely used in the aspects such as appliance equipment, illuminating line, household electrical appliance, and the quality of its quality directly has influence on project quality and consumer's the security of the lives and property.Although wires and cables industry is a supporting industry just, in occupation of the output value of Chinese electrician trade 1/4.Its product category is numerous, and range of application is very extensive, relates to the industries such as electric power, building, communication, manufacture, all closely related with each department of national economy.Electric wire is also called as national economy " artery " and " nerve ", the various motors of transmission of electric energy, transmission of information and manufacture, instrument, instrument, realizing the indispensable basic equipment of electromagnetic energy conversion, is necessary basic product in following electrification, informationized society.
Current wires and cables industry is in the face of the continuous derivative product making new advances of special occasions demand, as fire-resistant cable, flame-retardant cable, low smoke and zero halogen/low-smoke low-halogen cable, termite-proof, anti-mouse cable, oil resistant/cold-resistant/heatproof/wear-resisting cable, medical/agricultural/mining cable, thin-walled electric wire etc.
Current electric wire comprises the multiple electric wires such as PVC, PE, PP from material minute.Polyethylene (PE) has good electrical property and processing characteristics, thereby is widely used as insulation and the sheath material of electric wire.But the serviceability temperature of polythene material is low and the shortcoming such as creep properties, has seriously limited its scope of application.To this, people have adopted various crosslinked or blending technologies to its modification, to improve serviceability temperature and the stress crack resistance performance of polyethylene wire and cable.Polyethylene crosslinking technique mainly contains peroxide chemical crosslinking, crosslinked with silicane, cross-linking radiation etc.Peroxide chemical crosslinking is mainly applicable to mesohigh and the superhigh pressure polyethylene power cable of large specification, and electric pressure is 10 ~ 550 kV, but the clear car of peroxide chemical crosslinking production process, to play machine expense large.Crosslinked with silicane and cross-linking radiation are mainly applicable to the following medium-low voltage power cable of 10 kV and small dimension electric cable for electric equipment, the decomposition of silane crosslinker needs water to make initator, intrusion due to moisture, dielectric material performance degradation, has limited the use of organosilane crosslinked polyethylene to a certain extent.Irradiation crosslinking polyvinyl electric wire cable has high efficiency, low energy consumption, free of contamination feature, speed of production is 3 ~ 5 times of peroxide chemical crosslinking, and energy consumption is only its 1/ 2 ~ 2/ 3, and the temperature resistant grade of irradiation crosslinking polyvinyl electric wire cable is 105 ~ 150 e, and the temperature resistant grade of the crosslinked polyethylene electric wire that other cross-linking methods are produced only limits to 90 e.Therefore, cross-linking radiation production method is more and more subject to the favor of mesolow small dimension polyethylene crosslinking electric wire manufacturer.
Along with the raising of people's awareness of safety, people are more and more higher to performance requirements such as the anti-flammability of electric wire, fire resistances, and high flame-retardant electric wire and cable is the emphasis that current people relatively pay close attention to.
For socioeconomic development, also for people's safety, be necessary to develop a kind of cross-linking radiation high-performance high flame-retardant electric wire and cable.
Summary of the invention
Goal of the invention: the object of the invention is, in order to solve the deficiencies in the prior art, provides a kind of cross-linking radiation high-performance high flame-retardant electric wire and cable and preparation method thereof.
Technical scheme: in order to realize above object, the present invention adopts following technical scheme:
A kind of cross-linking radiation high-performance high flame-retardant electric wire and cable, comprise conductor, described conductor outside is provided with screen, described screen outside is provided with IXPE insulating barrier, described IXPE insulating barrier outside is provided with fireproof mica layer, between described conductor, be filled with mineral wool rope, described whole conductor and mineral wool rope outside are provided with inhibiting tape, described inhibiting tape outside is provided with flame-proof polyethylene inner protective layer, described flame-proof polyethylene inner protective layer outside is provided with armour, described armour outside is provided with flame-proof polyethylene external protection, described flame-proof polyethylene external protection outside is provided with wearing layer, described wearing layer is coated with ultraviolet resistant layer, described IXPE insulating barrier is mainly comprised of the material of following mass percent:
PE:100 part;
EVA resin: 8-10 part; EVA resin is a kind of good anti-impact modifier, and EVA resin is by ethene and vinyl acetate copolymerized forming.EVA resin has good flexibility and the elasticity as rubber, at-50 ℃, still can keep good pliability, and its transparency, surface gloss and chemical stability are good, and anti-aging and resistance to ozone intensity is high, good with the miscibility of filler;
Polypropylene fibre: 4-6 part; Can improve impact resistance and the toughness of product;
Plasticizer: 8-10 part;
Stabilizer: 2-3 part;
Phase flux: 5-10 part;
Lubricant: 3.5-4.5 part;
Coupling agent: 1.5-2.5 part;
Stearic acid: 1-2 part; There is good lubrification and good light, heat stabilization, also there is certain plasticizer and softening agent effect;
Antismoke agent: 0.5-1 part;
Age resistor: 0.5-1 part;
Promoter: 2-3 part;
Hydrotalcite: 1.5-2.5 part; Fire retardant, can significantly increase anti-flammability and the thermal endurance of product;
Calcium carbonate: 5-8 part; There is flame retardant effect, improve the anti-flammability of product; Can also play the effect of curing agent, can promote curing reaction speed, reduce the effect in reaction time; Calcium carbonate itself, as a kind of inorganic filler, can also play and improve the resistance to wear of product and the effect of mechanical strength, and it is cheap, nontoxic simultaneously;
The compound of aluminium hydroxide: magnesium hydroxide=9:1: 2-4 part; Fire retardant, the in the situation that of this proportioning, flame retardant effect is best, and both also play the effect of antismoke agent simultaneously;
Sodium carboxymethylcellulose: 1-2 part; , there is the effects such as bonding, thickening, enhancing, emulsification;
Colouring agent: 0.5-1 part;
Described flame-proof polyethylene inner protective layer is consistent with the constituent of flame-proof polyethylene external protection, and described flame-proof polyethylene inner protective layer and flame-proof polyethylene external protection are all mainly comprised of the material of following mass percent:
PE:100 part;
Anti-impact modifier: 3-5 part;
Magnalium hydrotalcite colloid: 2-3 part; Magnalium hydrotalcite colloid is a kind of of hydrotalcite, compared to common hydrotalcite, has more good thermal stability and fire resistance, can significantly increase anti-flammability and the thermal endurance of product; Its preparation method is as follows: M g (the N O that is 3:1 by magnalium ratio under room temperature
3)
2.6H
2o and A l (N O
3)
3.9H
2o is dissolved in deionized water, fixing total ion concentration 0.5mol/ L, then under the solution making being stirred, slowly joining mass concentration is in 10% sodium carbonate liquor, add rear vigorous stirring 1h, then slowly stir 2h, in this process, have precipitation and generate, then standing 48h under room temperature, decompress filter, through filter cake with after deionized water washed twice under 75 ℃ of left and right peptization 5h, can obtain hydrotalcite colloid;
The mixture that Firebrake ZB and nanometer grade antimony trioxide composition by weight ratio are 1:3: 5-6 part; Firebrake ZB and nanometer grade antimony trioxide composition by weight ratio are that 1:3 flame retardant effect is best, and this fire retardant is not halogen-containing simultaneously, environmentally safe;
Antioxidant: 0.5-1.0 part;
EVA resin: 8-10 part;
Paraffin: 3-5 part; Lubricant;
Plasticizer: 8-10 part;
Stabilizer: 2-3 part;
Phase flux: 5-10 part.Electric wire of the present invention, the screen being provided with, specifically act as: the current ratio that cable passes through is larger, and electric current can produce magnetic field around, in order not affect other element, can be this electromagnetic-field-shielded in cable so add screen; Can play certain earth conductor cable cable price protection effect, if there is breakage in cable core, the electric current leaking can, along shielding laminar flow as ground network, play the effect of safeguard protection;
IXPE insulating barrier, compared to common insulating barrier, the anti-flammability of electric wire and electric property are more superior;
Be provided with fireproof mica layer, strengthened the fire resistance of every independent conductor, thereby the fire resistance of electric wire integral body is strengthened, its safety in utilization is strengthened;
Mineral wool rope, has good fire resistance, has improved the anti-flammability of electric wire;
Flame-proof polyethylene inner protective layer, flame-proof polyethylene external protection, double shielding, double-deck fire-retardant, when further strengthening the protection of electric wire, further strengthened the anti-flammability of electric wire;
Wearing layer, has strengthened the resistance to wear of electric wire, extends its useful life, strengthens its mechanical performance;
Ultraviolet resistant layer, strengthens its anti-ultraviolet function, avoids aging because of ultraviolet ray irradiation, extends its useful life;
Sandwich construction design, makes electric wire of the present invention have good anti-flammability, fire resistance, resistance to wear, anti-uv, fail safe etc., makes the overall performance of electric wire be far longer than common electric wire.
Described plasticizer is di-n-octyl sebacate; The plasticizing effect of electric wire is strengthened, also make its pliability strengthen, be more prone to processing, while less expensive, and nontoxic;
Described stabilizer is calcium-zinc composite stabilizing agent; Add stabilizer can make the character of electric wire more stable, prevent its decomposition, aging, calcium-zinc composite stabilizing agent is compared to stabilizers such as some other metallic lead classes simultaneously, and not only stablizing effect is good, simultaneously also nontoxic, environmental protection;
Described phase flux is maleic anhydride grafted polyethylene PE-g-MAH; Phase flux can improve the compatibility of material and the dispersiveness of filler greatly, thereby improve mechanical mechanics property, hot property, the colorability that can significantly strengthen product, improve processing characteristics, shock resistance, reduction water absorption rate, the raising dimensional stability of product;
Described lubricant is the mixture that paraffin oil and paraffin composition by weight ratio are 1:2; Paraffin oil and paraffin are all good lubricants, while or a kind of softening agent, can reduce viscosity, being convenient to materials processing produces, so not only can put forward the production efficiency of materials processing, reduce production costs, also make the chemical-resistant resistance ability of material better simultaneously, when both ratios are 1:2, its maximum effect;
Described coupling agent is vinyl three tert-butyl peroxide silane; Can significantly improve thermal endurance, anti-flammability, solvent resistance, mechanical strength and the electrical property etc. of product;
Described antismoke agent is that mol ratio is the mixture of Sb2O3:MoO3=1:1; Can eliminate or reduce smog and pernicious gas that material produces in combustion process, add appropriate antismoke agent, when can calamity significantly reducing the amount of being fuming in combustion process, improve anti-flammability and the oxygen index of material, environmental protection simultaneously;
Described age resistor is antioxidant 264; Prevent or suppress factors disrupt product properties such as oxygen, heat, light, ozone, mechanical stress, heavy metal ion, the storage of prolongation goods and useful life;
Described promoter is accelerator NS; Can promote reaction speed, can shorten cure time or reduce curing temperature, reduce the physical and mechanical properties of vulcanizing agent consumption and raising goods etc., accelerator NS is a kind of material of environment-protecting asepsis simultaneously;
Described colouring agent is titanium dioxide or carbon black.Titanium dioxide not only can be used as a kind of white color agents, and still good ultraviolet (UV) resistant agent, adds titanium dioxide to make material on painted basis, can also make material have good weatherability simultaneously; Carbon black is conventional black pigment, and low price also has UV protection (anti-aging) effect to product in addition.
Described anti-impact modifier is methacrylate-butadiene one styrol copolymer; Methacrylate-butadiene one styrol copolymer is that MBS is a kind of novel high polymer material, by methyl methacrylate (M), butadiene (B) and styrene (S), adopts emulsion grafting polymerization method to be prepared from.This resin has typical nucleocapsid structure in submicroscopic form, and core is the rubber phase globose nucleus that a diameter is 10～100 nm, and outside is the shell that styrene and methyl methacrylate form.This special construction of MBS has been given the shock resistance of goods excellences.While adding MBS resin in the present invention, can make the impact strength of product improve 4-15 doubly, also can improve cold resistance and the processing fluidity of product simultaneously, and can keep the original physicochemical property of its main component PE;
Described antioxidant is antioxidant BHT.Improve non-oxidizability, prevent aging.
The thickness of described IXPE insulating barrier is 1.2-2.4mm.
The thickness of described fireproof mica layer is 1.5-2.5mm.
The thickness of flame-proof polyethylene inner protective layer is 1.1-2mm; The thickness of described flame-proof polyethylene external protection is 2.5-3.5mm.
Described wearing layer is acrylic resin layer, and the thickness of described wearing layer is 0.8-1.2mm.PP resin, itself has good anti-flammability, thermal endurance and resistance to wear, increases PP layer, in the resistance to wear that improves product, has also improved its anti-flammability, thermal endurance, and PP resin itself is a kind of environmental protection type resin simultaneously.
Described ultraviolet resistant layer is nano titanium oxide compound acrylic ester dope layer, described nano titanium oxide compound acrylic ester dope layer comprises the nano titanium oxide of mass fraction 5.5-6%, all the other are acrylate, and the thickness of described ultraviolet resistant layer is 20-25 μ m.Adopt this curtain coating, can shield 99% ultraviolet ray, prevent that electric wire is aging, extend its useful life.
The quantity of described conductor is 5, and described conductor and its outside coated screen, IXPE insulating barrier, fireproof mica layer form an integral body, and symmetrical is distributed in described inhibiting tape.Inhibiting tape is electric wire inhibiting tape commercially available on market.
A preparation method for cross-linking radiation high-performance high flame-retardant electric wire and cable, mainly comprises the CABLE MATERIALS preparation of IXPE insulating barrier, flame-proof polyethylene inner protective layer and flame-proof polyethylene external protection;
The preparation method of the CABLE MATERIALS of described IXPE insulating barrier is as follows: by described formula, prepare burden, the material preparing adds melt blending in two roller mills, mixing temperature is 145-155 ℃, incorporation time is 8-15 minute, after blend evenly, transfer to compression molding on vulcanizing press, forming temperature is 145-155 ℃, time is 6-8 minute, finally moulding sample is carried out to irradiation by electron accelerator, irradiation voltage 2 MeV, irradiation electric current 2 mA, can make the CABLE MATERIALS of needed IXPE insulating barrier; During irradiation, strictly control radiation parameter, can effectively avoid the generation of bubbling;
The preparation method of described flame-proof polyethylene inner protective layer and flame-proof polyethylene external protection CABLE MATERIALS is as follows: by described formula, prepare burden; the material preparing adds melt blending in two roller mills; mixing temperature is 145-155 ℃; incorporation time is 8-15 minute; after blend evenly, transfer to stirring at low speed 4-6 minute in cooling and stirring machine, then enter into single screw extrusion machine and extrude; extrusion temperature is 155-165 ℃, and the screw speed of extruder is 20-22 r/min.While extruding, temperature is moderate, and excess Temperature can cause product to decompose, cause product surface coarse and occur a large amount of pores, temperature is too low, and product can not plastify completely, causes extruder head pressure excessive, be difficult to extrude, only at this temperature, the surface quality of guarantee extruded product; Adopt single screw extrusion machine, and screw speed is 20-22 r/min, can reduces the heat producing because of material friction, if screw speed is too fast, exceed 20-22 r/min, can cause extruded product rough surface, rough.
Beneficial effect: cross-linking radiation high-performance high flame-retardant electric wire and cable provided by the invention and preparation method thereof compared with prior art, has the following advantages:
1, electric wire of the present invention, the IXPE insulating barrier being provided with, fireproof mica layer, mineral wool rope, flame-proof polyethylene inner protective layer, flame-proof polyethylene external protection, wearing layer all have anti-flammability, multiple setting, makes the anti-flammability of this product far beyond like product;
2, electric wire of the present invention, is also provided with screen, wearing layer, ultraviolet resistant layer, makes the shield effectiveness of this product superior, signal propagates stablely, has good resistance to wear simultaneously.Weatherability and anti-uv etc. are the electric wires that a kind of combination property is superior;
3, electric wire of the present invention, IXPE insulating barrier, flame-proof polyethylene inner protective layer, flame-proof polyethylene external protection, employing PE is major ingredient, EVA and other some auxiliary agents have been added simultaneously, such as plasticizer, stabilizer, lubricant etc., make the performance colleague property compared of the each side such as insulating properties, physical and mechanical properties, elasticity, resistance to ag(e)ing, corrosion resistance, anti-flammability of wire cable material itself all more perfect, good;
4, electric wire of the present invention, the colouring agent of selecting, also has UV protection (anti-aging) effect to product in addition;
5, electric wire of the present invention, the auxiliary reagent from the major ingredient PE that uses to other is all ep-type material, makes the environment-friendly type of final wire cable material better;
6, electric wire of the present invention, easy to prepare, and material therefor environmental protection is a kind of high performance electric wire of environment-friendly type;
7, electric wire of the present invention, preparation method, strict production control condition, makes the quality of product higher, and the easy easy enforcement of this preparation method simultaneously, is suitable for large-scale industrial production.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
In figure: 1-conductor, 2-screen, 3-IXPE insulating barrier, 4-fireproof mica layer, 5-mineral wool rope, 6-inhibiting tape, 7-flame-proof polyethylene inner protective layer, 8-armour, 9-flame-proof polyethylene external protection, 10-wearing layer, 11-ultraviolet resistant layer.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; but illustrate that protection scope of the present invention is not limited to the concrete scope of the present embodiment simultaneously; embodiment based in the present invention; those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
embodiment 1
A kind of cross-linking radiation high-performance high flame-retardant electric wire and cable, comprise 5 conductors 1, described conductor 1 outside is provided with screen 2, described screen 2 outsides are provided with IXPE insulating barrier 3, described IXPE insulating barrier 3 outsides are provided with fireproof mica layer 4, between described conductor 1, be filled with mineral wool rope 5, described whole conductor 1 and mineral wool rope 5 outsides are provided with inhibiting tape 6, the screen 2 that described conductor 1 is outside coated with it, IXPE insulating barrier 3, fireproof mica layer 4 forms an integral body, symmetrical is distributed in described inhibiting tape 6, described inhibiting tape 6 outsides are provided with flame-proof polyethylene inner protective layer 7, described flame-proof polyethylene inner protective layer 7 outsides are provided with armour 8, described armour 8 outsides are provided with flame-proof polyethylene external protection 9, described flame-proof polyethylene external protection 9 outsides are provided with wearing layer 10, described wearing layer 10 is acrylic resin layer, described wearing layer 10 is coated with ultraviolet resistant layer 11, described ultraviolet resistant layer 11 is nano titanium oxide compound acrylic ester dope layer, described nano titanium oxide compound acrylic ester dope layer comprises the nano titanium oxide of mass fraction 5.5%, all the other are acrylate, described IXPE insulating barrier 3 is mainly comprised of the material of following mass percent: PE:100 part,
EVA resin: 8 parts;
Polypropylene fibre: 4 parts;
Plasticizer: di-n-octyl sebacate: 8 parts;
Stabilizer: calcium-zinc composite stabilizing agent: 2 parts;
Phase flux: maleic anhydride grafted polyethylene PE-g-MAH:6 part;
Lubricant: the mixture that paraffin oil and paraffin composition by weight ratio are 1:2: 3.5 parts;
Coupling agent: vinyl three tert-butyl peroxide silane: 1.5 parts;
Stearic acid: 1 part;
Antismoke agent: mol ratio is Sb
2o
3: MoO
3the mixture of=1:1: 0.6 part;
Age resistor: antioxidant 264: 0.6 part;
Promoter: accelerator NS: 2 parts;
Hydrotalcite: 1.5 parts;
Calcium carbonate: 5.5 parts;
The compound of aluminium hydroxide: magnesium hydroxide=9:1: 2 parts;
Sodium carboxymethylcellulose: 1 part;
Colouring agent: titanium dioxide or carbon black: 0.6 part;
Described flame-proof polyethylene inner protective layer 7 is consistent with the constituent of flame-proof polyethylene external protection 9, and described flame-proof polyethylene inner protective layer 7 and flame-proof polyethylene external protection 9 are all mainly comprised of the material of following mass percent:
PE:100 part;
Anti-impact modifier: methacrylate-butadiene one styrol copolymer: 3 parts;
Magnalium hydrotalcite colloid: 23 parts;
The mixture that Firebrake ZB and nanometer grade antimony trioxide composition by weight ratio are 1:3: 5 parts;
Antioxidant: antioxidant BHT: 0.5 part;
EVA resin: 8 parts;
Paraffin: 3 parts;
Plasticizer: 8 parts;
Stabilizer: 2 parts;
Phase flux: 5 parts.
The thickness of described IXPE insulating barrier 3 is 1.2mm.
The thickness of described fireproof mica layer 4 is 1.5mm.
The thickness of flame-proof polyethylene inner protective layer 7 is 1.1mm; The thickness of described flame-proof polyethylene external protection 9 is 2.5mm.
The thickness of described wearing layer 10 is 0.8mm.
The thickness of described ultraviolet resistant layer 11 is 25 μ m.
A preparation method for cross-linking radiation high-performance high flame-retardant electric wire and cable, mainly comprises the CABLE MATERIALS preparation of IXPE insulating barrier 3, flame-proof polyethylene inner protective layer 7 and flame-proof polyethylene external protection 9;
The preparation method of the CABLE MATERIALS of described IXPE insulating barrier 3 is as follows: by described formula, prepare burden, the material preparing adds melt blending in two roller mills, mixing temperature is 1455 ℃, incorporation time is 8 minutes, after blend evenly, transfer to compression molding on vulcanizing press, forming temperature is 145 ℃, time is 6 minutes, finally moulding sample is carried out to irradiation by electron accelerator, irradiation voltage 2 MeV, irradiation electric current 2 mA, can make the CABLE MATERIALS of needed IXPE insulating barrier 3;
The preparation method of described flame-proof polyethylene inner protective layer 7 and flame-proof polyethylene external protection 9 CABLE MATERIALS is as follows: by described formula, prepare burden; the material preparing adds melt blending in two roller mills; mixing temperature is 145 ℃; incorporation time is 8 minutes; after blend evenly, transfer in cooling and stirring machine stirring at low speed 4 minutes, then enter into single screw extrusion machine and extrude; extrusion temperature is 155 ℃, and the screw speed of extruder is 20r/min.
embodiment 2
A kind of cross-linking radiation high-performance high flame-retardant electric wire and cable, comprise 5 conductors 1, described conductor 1 outside is provided with screen 2, described screen 2 outsides are provided with IXPE insulating barrier 3, described IXPE insulating barrier 3 outsides are provided with fireproof mica layer 4, between described conductor 1, be filled with mineral wool rope 5, described whole conductor 1 and mineral wool rope 5 outsides are provided with inhibiting tape 6, the screen 2 that described conductor 1 is outside coated with it, IXPE insulating barrier 3, fireproof mica layer 4 forms an integral body, symmetrical is distributed in described inhibiting tape 6, described inhibiting tape 6 outsides are provided with flame-proof polyethylene inner protective layer 7, described flame-proof polyethylene inner protective layer 7 outsides are provided with armour 8, described armour 8 outsides are provided with flame-proof polyethylene external protection 9, described flame-proof polyethylene external protection 9 outsides are provided with wearing layer 10, described wearing layer 10 is acrylic resin layer, described wearing layer 10 is coated with ultraviolet resistant layer 11, described ultraviolet resistant layer 11 is nano titanium oxide compound acrylic ester dope layer, described nano titanium oxide compound acrylic ester dope layer comprises the nano titanium oxide of mass fraction 5.8%, all the other are acrylate, described IXPE insulating barrier 3 is mainly comprised of the material of following mass percent: PE:100 part,
EVA resin: 9 parts;
Polypropylene fibre: 5 parts;
Plasticizer: di-n-octyl sebacate: 9 parts;
Stabilizer: calcium-zinc composite stabilizing agent: 2.5 parts;
Phase flux: maleic anhydride grafted polyethylene PE-g-MAH:8 part;
Lubricant: the mixture that paraffin oil and paraffin composition by weight ratio are 1:2: 4 parts;
Coupling agent: vinyl three tert-butyl peroxide silane: 2 parts;
Stearic acid: 1.5 parts;
Antismoke agent: mol ratio is Sb
2o
3: MoO
3the mixture of=1:1: 0.8 part;
Age resistor: antioxidant 264: 0.8 part;
Promoter: accelerator NS: 2-3 part;
Hydrotalcite: 2 parts;
Calcium carbonate: 6.8 parts;
The compound of aluminium hydroxide: magnesium hydroxide=9:1: 3 parts;
Sodium carboxymethylcellulose: 1-2 part;
Colouring agent: titanium dioxide or carbon black: 0.8 part;
Described flame-proof polyethylene inner protective layer 7 is consistent with the constituent of flame-proof polyethylene external protection 9, and described flame-proof polyethylene inner protective layer 7 and flame-proof polyethylene external protection 9 are all mainly comprised of the material of following mass percent:
PE:100 part;
Anti-impact modifier: methacrylate-butadiene one styrol copolymer: 4 parts;
Magnalium hydrotalcite colloid: 2.5 parts;
The mixture that Firebrake ZB and nanometer grade antimony trioxide composition by weight ratio are 1:3: 5.5 parts;
Antioxidant: antioxidant BHT: 0.8 part;
EVA resin: 9 parts;
Paraffin: 4 parts;
Plasticizer: 9 parts;
Stabilizer: 2.5 parts;
Phase flux: 8 parts.
The thickness of described IXPE insulating barrier 3 is 1.8mm.
The thickness of described fireproof mica layer 4 is 2mm.
The thickness of flame-proof polyethylene inner protective layer 7 is 1.6mm; The thickness of described flame-proof polyethylene external protection 9 is 3mm.
The thickness of described wearing layer 10 is 1mm.
The thickness of described ultraviolet resistant layer 11 is 22 μ m.
A preparation method for cross-linking radiation high-performance high flame-retardant electric wire and cable, mainly comprises the CABLE MATERIALS preparation of IXPE insulating barrier 3, flame-proof polyethylene inner protective layer 7 and flame-proof polyethylene external protection 9;
The preparation method of the CABLE MATERIALS of described IXPE insulating barrier 3 is as follows: by described formula, prepare burden, the material preparing adds melt blending in two roller mills, mixing temperature is 150 ℃, incorporation time is 10 minutes, after blend evenly, transfer to compression molding on vulcanizing press, forming temperature is 150 ℃, time is 7 minutes, finally moulding sample is carried out to irradiation by electron accelerator, irradiation voltage 2 MeV, irradiation electric current 2 mA, can make the CABLE MATERIALS of needed IXPE insulating barrier 3;
The preparation method of described flame-proof polyethylene inner protective layer 7 and flame-proof polyethylene external protection 9 CABLE MATERIALS is as follows: by described formula, prepare burden; the material preparing adds melt blending in two roller mills; mixing temperature is 150 ℃; incorporation time is 12 minutes; after blend evenly, transfer in cooling and stirring machine stirring at low speed 5 minutes, then enter into single screw extrusion machine and extrude; extrusion temperature is 160 ℃, and the screw speed of extruder is 21 r/min.
embodiment 3
A kind of cross-linking radiation high-performance high flame-retardant electric wire and cable, comprise 5 conductors 1, described conductor 1 outside is provided with screen 2, described screen 2 outsides are provided with IXPE insulating barrier 3, described IXPE insulating barrier 3 outsides are provided with fireproof mica layer 4, between described conductor 1, be filled with mineral wool rope 5, described whole conductor 1 and mineral wool rope 5 outsides are provided with inhibiting tape 6, the screen 2 that described conductor 1 is outside coated with it, IXPE insulating barrier 3, fireproof mica layer 4 forms an integral body, symmetrical is distributed in described inhibiting tape 6, described inhibiting tape 6 outsides are provided with flame-proof polyethylene inner protective layer 7, described flame-proof polyethylene inner protective layer 7 outsides are provided with armour 8, described armour 8 outsides are provided with flame-proof polyethylene external protection 9, described flame-proof polyethylene external protection 9 outsides are provided with wearing layer 10, described wearing layer 10 is acrylic resin layer, described wearing layer 10 is coated with ultraviolet resistant layer 11, described ultraviolet resistant layer 11 is nano titanium oxide compound acrylic ester dope layer, described nano titanium oxide compound acrylic ester dope layer comprises the nano titanium oxide of mass fraction 6%, all the other are acrylate, described IXPE insulating barrier 3 is mainly comprised of the material of following mass percent: PE:100 part,
EVA resin: 10 parts;
Polypropylene fibre: 6 parts;
Plasticizer: di-n-octyl sebacate: 10 parts;
Stabilizer: calcium-zinc composite stabilizing agent: 3 parts;
Phase flux: maleic anhydride grafted polyethylene PE-g-MAH:10 part;
Lubricant: the mixture that paraffin oil and paraffin composition by weight ratio are 1:2: 4.5 parts;
Coupling agent: vinyl three tert-butyl peroxide silane: 2.5 parts;
Stearic acid: 2 parts;
Antismoke agent: mol ratio is Sb
2o
3: MoO
3the mixture of=1:1: 1 part;
Age resistor: antioxidant 264: 1 part;
Promoter: accelerator NS: 3 parts;
Hydrotalcite: 2.5 parts;
Calcium carbonate: 8 parts;
The compound of aluminium hydroxide: magnesium hydroxide=9:1: 4 parts;
Sodium carboxymethylcellulose: 2 parts;
Colouring agent: titanium dioxide or carbon black: 1 part;
Described flame-proof polyethylene inner protective layer 7 is consistent with the constituent of flame-proof polyethylene external protection 9, and described flame-proof polyethylene inner protective layer 7 and flame-proof polyethylene external protection 9 are all mainly comprised of the material of following mass percent:
PE:100 part;
Anti-impact modifier: methacrylate-butadiene one styrol copolymer: 5 parts;
Magnalium hydrotalcite colloid: 3 parts;
The mixture that Firebrake ZB and nanometer grade antimony trioxide composition by weight ratio are 1:3: 6 parts;
Antioxidant: antioxidant BHT: 1.0 parts;
EVA resin: 10 parts;
Paraffin: 5 parts;
Plasticizer: 10 parts;
Stabilizer: 3 parts;
Phase flux: 10 parts.
The thickness of described IXPE insulating barrier 3 is 2.4mm.
The thickness of described fireproof mica layer 4 is 2.5mm.
The thickness of flame-proof polyethylene inner protective layer 7 is 2mm; The thickness of described flame-proof polyethylene external protection 9 is 3.5mm.
The thickness of described wearing layer 10 is 1.2mm.
The thickness of described ultraviolet resistant layer 11 is 20 μ m.
A preparation method for cross-linking radiation high-performance high flame-retardant electric wire and cable, mainly comprises the CABLE MATERIALS preparation of IXPE insulating barrier 3, flame-proof polyethylene inner protective layer 7 and flame-proof polyethylene external protection 9;
The preparation method of the CABLE MATERIALS of described IXPE insulating barrier 3 is as follows: by described formula, prepare burden, the material preparing adds melt blending in two roller mills, mixing temperature is 155 ℃, incorporation time is 15 minutes, after blend evenly, transfer to compression molding on vulcanizing press, forming temperature is 155 ℃, time is 8 minutes, finally moulding sample is carried out to irradiation by electron accelerator, irradiation voltage 2 MeV, irradiation electric current 2 mA, can make the CABLE MATERIALS of needed IXPE insulating barrier 3;
The preparation method of described flame-proof polyethylene inner protective layer 7 and flame-proof polyethylene external protection 9 CABLE MATERIALS is as follows: by described formula, prepare burden; the material preparing adds melt blending in two roller mills; mixing temperature is 155 ℃; incorporation time is 15 minutes; after blend evenly, transfer in cooling and stirring machine stirring at low speed 6 minutes, then enter into single screw extrusion machine and extrude; extrusion temperature is 165 ℃, and the screw speed of extruder is 22 r/min.
Its anti-flammability of the electric wire that above-described embodiment is produced, resistance to wear, mechanical-physical, anti-uv, the everyway comparative superiorities such as impact resistance, wherein in anti-flammability its oxygen index greatly about 50 left and right, the standard 36(that is greater than high flame retardant in general oxygen index >36 means to have high flame retardant, and oxygen index of the present invention is greatly about 50 left and right, be far longer than 36, this just illustrates that wire cable material of the present invention has splendid fire resistance), aspect mechanical-physical, its hot strength is at >20MPa, elongation at break >180%, reach more than 230%, its mechanical-physical is superior as can be seen here.Therefore electric wire of the present invention is a kind of electric wire of high-performance high flame retardant.
Above-described embodiment is only explanation technical conceive of the present invention and feature, its objective is to allow to be familiar with these those skilled in the art and can to understand content of the present invention enforcement according to this, can not limit the scope of the invention with this.All equivalents that Spirit Essence has been done according to the present invention or modification, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. a cross-linking radiation high-performance high flame-retardant electric wire and cable, it is characterized in that: comprise conductor (1), described conductor (1) outside is provided with screen (2), described screen (2) outside is provided with IXPE insulating barrier (3), described IXPE insulating barrier (3) outside is provided with fireproof mica layer (4), between described conductor (1), be filled with mineral wool rope (5), described whole conductor (1) and mineral wool rope (5) outside are provided with inhibiting tape (6), described inhibiting tape (6) outside is provided with flame-proof polyethylene inner protective layer (7), described flame-proof polyethylene inner protective layer (7) outside is provided with armour (8), described armour (8) outside is provided with flame-proof polyethylene external protection (9), described flame-proof polyethylene external protection (9) outside is provided with wearing layer (10), described wearing layer (10) is coated with ultraviolet resistant layer (11), described IXPE insulating barrier (3) is mainly comprised of the material of following mass percent:
PE:100 part;
EVA resin: 8-10 part;
Polypropylene fibre: 4-6 part;
Plasticizer: 8-10 part;
Stabilizer: 2-3 part;
Phase flux: 5-10 part;
Lubricant: 3.5-4.5 part;
Coupling agent: 1.5-2.5 part;
Stearic acid: 1-2 part;
Antismoke agent: 0.5-1 part;
Age resistor: 0.5-1 part;
Promoter: 2-3 part;
Hydrotalcite: 1.5-2.5 part;
Calcium carbonate: 5-8 part;
The compound of aluminium hydroxide: magnesium hydroxide=9:1: 2-4 part;
Sodium carboxymethylcellulose: 1-2 part;
Colouring agent: 0.5-1 part;
Described flame-proof polyethylene inner protective layer (7) is consistent with the constituent of flame-proof polyethylene external protection (9), and described flame-proof polyethylene inner protective layer (7) and flame-proof polyethylene external protection (9) are all mainly comprised of the material of following mass percent:
PE:100 part;
Anti-impact modifier: 3-5 part;
Magnalium hydrotalcite colloid: 2-3 part;
The mixture that Firebrake ZB and nanometer grade antimony trioxide composition by weight ratio are 1:3: 5-6 part;
Antioxidant: 0.5-1.0 part;
EVA resin: 8-10 part;
Paraffin: 3-5 part;
Plasticizer: 8-10 part;
Stabilizer: 2-3 part;
Phase flux: 5-10 part.
2. cross-linking radiation high-performance high flame-retardant electric wire and cable according to claim 1, is characterized in that: described plasticizer is di-n-octyl sebacate; Described stabilizer is calcium-zinc composite stabilizing agent; Described phase flux is maleic anhydride grafted polyethylene PE-g-MAH; Described lubricant is the mixture that paraffin oil and paraffin composition by weight ratio are 1:2; Described coupling agent is vinyl three tert-butyl peroxide silane; Described antismoke agent is that mol ratio is Sb
2o
3: MoO
3the mixture of=1:1; Described age resistor is antioxidant 264; Described promoter is accelerator NS; Described colouring agent is titanium dioxide or carbon black.
3. cross-linking radiation high-performance high flame-retardant electric wire and cable according to claim 1, is characterized in that: described anti-impact modifier is methacrylate-butadiene one styrol copolymer, and described antioxidant is antioxidant BHT.
4. cross-linking radiation high-performance high flame-retardant electric wire and cable according to claim 1, is characterized in that: the thickness of described IXPE insulating barrier (3) is 1.2-2.4mm.
5. cross-linking radiation high-performance high flame-retardant electric wire and cable according to claim 1, is characterized in that: the thickness of described fireproof mica layer (4) is 1.5-2.5mm.
6. cross-linking radiation high-performance high flame-retardant electric wire and cable according to claim 1, is characterized in that: the thickness of flame-proof polyethylene inner protective layer (7) is 1.1-2mm; The thickness of described flame-proof polyethylene external protection (9) is 2.5-3.5mm.
7. cross-linking radiation high-performance high flame-retardant electric wire and cable according to claim 1, is characterized in that: described wearing layer (10) is acrylic resin layer, and the thickness of described wearing layer (10) is 0.8-1.2mm.
8. cross-linking radiation high-performance high flame-retardant electric wire and cable according to claim 1, it is characterized in that: described ultraviolet resistant layer (11) is nano titanium oxide compound acrylic ester dope layer, described nano titanium oxide compound acrylic ester dope layer comprises the nano titanium oxide of mass fraction 5.5-6%, all the other are acrylate, and the thickness of described ultraviolet resistant layer (11) is 20-25 μ m.
9. cross-linking radiation high-performance high flame-retardant electric wire and cable according to claim 1, it is characterized in that: the quantity of described conductor (1) is 5, described conductor (1) forms an integral body with its outside coated screen (2), IXPE insulating barrier (3), fireproof mica layer (4), and symmetrical is distributed in described inhibiting tape (6).
10. a preparation method for cross-linking radiation high-performance high flame-retardant electric wire and cable as claimed in claim 1, is characterized in that: mainly comprise the CABLE MATERIALS preparation of IXPE insulating barrier (3), flame-proof polyethylene inner protective layer (7) and flame-proof polyethylene external protection (9);
The preparation method of the CABLE MATERIALS of described IXPE insulating barrier (3) is as follows: by described formula, prepare burden, the material preparing adds melt blending in two roller mills, mixing temperature is 145-155 ℃, incorporation time is 8-15 minute, after blend evenly, transfer to compression molding on vulcanizing press, forming temperature is 145-155 ℃, time is 6-8 minute, finally moulding sample is carried out to irradiation by electron accelerator, irradiation voltage 2 MeV, irradiation electric current 2 mA, can make the CABLE MATERIALS of needed IXPE insulating barrier (3);
The preparation method of described flame-proof polyethylene inner protective layer (7) and flame-proof polyethylene external protection (9) CABLE MATERIALS is as follows: by described formula, prepare burden; the material preparing adds melt blending in two roller mills; mixing temperature is 145-155 ℃; incorporation time is 8-15 minute; after blend evenly; transfer to stirring at low speed 4-6 minute in cooling and stirring machine; then entering into single screw extrusion machine extrudes; extrusion temperature is 155-165 ℃, and the screw speed of extruder is 20-22 r/min.
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| CN201410443957.3A CN104200905A (en) | 2014-09-03 | 2014-09-03 | Irradiation cross-linking high-performance high flame-resistant electric wire and cable and preparation method thereof |
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| CN105400045A (en) * | 2015-12-15 | 2016-03-16 | 中广核三角洲（苏州）高聚物有限公司 | High-wear-resistant irradiation crosslinked halogen-free flame-retardant automotive wire cable material and preparation process thereof |
| CN105419377A (en) * | 2016-01-12 | 2016-03-23 | 芜湖航天特种电缆厂股份有限公司 | Fire-resistant and extrusion-resistant cable material |
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| CN107393643A (en) * | 2017-07-26 | 2017-11-24 | 贵州人民电气集团有限公司 | A kind of novel cable |
| WO2019179135A1 (en) * | 2018-03-23 | 2019-09-26 | 烽火通信科技股份有限公司 | Radiation-resistant optical cable and manufacturing method therefor |
| CN108485087A (en) * | 2018-04-24 | 2018-09-04 | 吴刚 | A kind of preparation method of modified polyvinyl plastic plate |
| CN111171429A (en) * | 2020-01-19 | 2020-05-19 | 深圳市恒利德实业有限公司 | Compression-resistant electric wire and preparation method thereof |
| CN113896958A (en) * | 2021-11-25 | 2022-01-07 | 深圳市通泰详特种电线电缆有限公司 | Robot drag chain cable with strong deformation plasticity and preparation method thereof |
| CN117603519A (en) * | 2023-11-29 | 2024-02-27 | 湖南湘联电缆有限公司 | Corrosion-resistant power cable |
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