CN104200890B - A kind of environmental-protection flame-retardant fire-resistant wire and cable and preparation method thereof - Google Patents
A kind of environmental-protection flame-retardant fire-resistant wire and cable and preparation method thereof Download PDFInfo
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- CN104200890B CN104200890B CN201410445503.XA CN201410445503A CN104200890B CN 104200890 B CN104200890 B CN 104200890B CN 201410445503 A CN201410445503 A CN 201410445503A CN 104200890 B CN104200890 B CN 104200890B
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Abstract
The invention provides a kind of environmental-protection flame-retardant fire-resistant wire and cable, comprise conductor, conductor outside is provided with screen, screen outside is provided with EVA/LDPE composite insulation layer, EVA/LDPE composite insulation layer outside is provided with ceramic silicon rubber layer, ceramic silicon rubber layer outside is provided with high-temperature-resistant layer, flame-retarding glass fiber filler yarn is filled with between conductor, conductor and flame-retarding glass fiber filler yarn outside are provided with inhibiting tape, inhibiting tape outside is provided with mica layer, mica layer outside is provided with EVA/LDPE composite protection layer, EVA/LDPE composite protection layer outside is provided with mica layer two, mica layer two outside is coated with polytetrafluoroethylene/polyimides composite bed, polytetrafluoroethylene/polyimides composite bed outside is provided with uvioresistant layer.The present invention also provides the preparation method of electric wire.The present invention is provided with multiple flame retardant coating, flame-retardant layer, makes the present invention be environmental-protection flame-retardant fire-resistant wire and cable.
Description
Technical field
The present invention relates to a kind of electric wire and preparation method thereof, be specifically related to a kind of environmental-protection flame-retardant fire-resistant 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 realizing electromagnetic energy conversion.Electric wire is as the main carriers of electric power transfer, and be widely used in the aspects such as appliance equipment, illuminating line, household electrical appliance, the quality of its quality directly has influence on the security of the lives and property of project quality and consumer.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 " artery " and " nerve " of national economy, the various motor of transmission of electric energy, transmission of information and manufacture, instrument, instrument, realizing the indispensable basic equipment of electromagnetic energy conversion, is basic product necessary in following electrification, informationized society.
Special occasions demand faced by current wires and cables industry is the derivative product made new advances constantly, 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.
Along with the raising of people's awareness of safety, the performance requirement such as anti-flammability, fire resistance of people to electric wire is more and more higher, and flame-retardant and fire-resistant wire and cable is the emphasis that current people compare concern.In all spectra of electric power application, the fire line of electric wire plays very important effect in the integrity ensureing electrical system and validity.
In many large-scale public arena breaking out of fire accidents, electric wire (high polymer) discharges when burning because sucking for the reason of most of personnel death, corrosive and poisonous dense smoke gas and suffocating.Oneself fundamentally prevents and reduces fire generation through being acknowledged as to carry out fire-retardant and low cigarette process to wire cable material, reduces the Important Action of people's life and property loss.
Current electric wire comprises the multiple electric wire such as PVC, PE, PP from material point.PVC material has excellent mechanical and physical performance, pliability, chemical reagent-resistant performance, low price, and processing characteristics is excellent, is widely used on flame-retardant electric wire and cable.But containing halogen element in PVC, therefore, it is discharge, corrosive and poisonous gas when burning.At present, employing other materials gradually replaces PVC.Electric wire discharges when burning, corrosive and poisonous dense smoke gas and suffocating, be not only its bulk composition resin as in PVC containing halogen element, also comprise some halogen containing flame-retardants that it uses.People, in order to improve the anti-flammability of electric wire, usually can add some fire retardants in its material, and traditionally, these fire retardants are all halogen-containing materials.Research shows, halogen containing flame-retardant (HFR) is to life and bad environmental, and because legislation limits the use of these materials, final goal is the use stopping this series products of great majority.Such as, deca-BDE is a kind of HFR, and European Union has prohibitted the use this material.
In order to socioeconomic development, also in order to the property safety of protection of the environment and people and healthy, be necessary to develop a kind of environmental-protection flame-retardant fire-resistant wire and cable.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, a kind of environmental-protection flame-retardant fire-resistant wire and cable and preparation method thereof is provided.
Technical scheme: in order to realize above object, the present invention adopts following technical scheme:
A kind of environmental-protection flame-retardant fire-resistant wire and cable, comprise conductor, described conductor outside is provided with screen (2), described screen outside is provided with EVA/LDPE composite insulation layer, described EVA/LDPE composite insulation layer outside is provided with ceramic silicon rubber layer, described ceramic silicon rubber layer outside is provided with high-temperature-resistant layer, flame-retarding glass fiber filler yarn is filled with between described conductor, described whole conductor and flame-retarding glass fiber filler yarn outside are provided with inhibiting tape, described inhibiting tape outside is provided with mica layer, described mica layer outside is provided with EVA/LDPE composite protection layer, described EVA/LDPE composite protection layer outside is provided with mica layer two, described mica layer two outside is provided with polytetrafluoroethylene/polyimides composite bed, described polytetrafluoroethylene/polyimides composite bed outside is coated with uvioresistant layer, described EVA/LDPE composite insulation layer, EVA/LDPE composite protection layer are all made up of the material described in following formula, and number is wherein mass percent:
EVA:100 part; Ethylene-vinyl acetate copolymer (EVA), it has good flexibility, resistance to impact, environmental stress crack resistance in wider temperature range;
LDPE:75-80 part; Low density polyethylene (LDPE) (LDPE), has fabulous rheological characteristic or melt fluidity, composite with EVA, as the basis material of cable, makes the material that the performance of material itself is more general more superior;
Stearic acid: 2-3 part; Have the effect of lubricant, heat stabilizer, emulsifying agent concurrently;
Expanded graphite: 1-3 part;
Nickel oxide: 4-5 part; Carry out used in combination with expanded graphite, have splendid anti-flammability, mechanical performance significantly promotes;
The mass fraction of magnesium hydroxide and aluminium hydroxide is the compound of 2:1: 50-60 part; Fire retardant, also has certain antismoke agent effect simultaneously, environmental protection, inexpensive, nontoxic;
Polypropylene fibre: 4-6 part; Impact resistance and the toughness of product can be improved;
Bisphenol-A: 0.2-0.6 part; Bisphenol-A is a kind of bisphenols antioxidant, have that relative toxicity is low, nondiscolouring, non-staining feature, after adding product, x ray irradiation x can be caught and the antioxidant of the free radical produced and absorption portion radiant and light stabilizer, can effectively improve material radiation resistance, the mechanical performance of product can also be made more stable simultaneously;
Anti-impact modifier: 3-5 part;
Plasticizer: 8-10 part;
Stabilizer: 2-3 part;
Phase flux: 5-10 part;
Lubricant: 3-4 part;
Coupling agent: 0.3-0.6 part;
Antismoke agent: 0.5-1 part;
Age resistor: 0.5-1 part;
Promoter: 2-3 part;
Calcium carbonate: 5-8 part; There is flame retardant effect, improve the anti-flammability of product; The effect of curing agent can also be played, curing reaction speed can be promoted, reduce the effect in reaction time; Calcium carbonate itself is as a kind of inorganic filler simultaneously, can also play and improve the resistance to wear of product and the effect of mechanical strength, and it is cheap, nontoxic;
Sodium carboxymethylcellulose: 1-2 part; There is the effects such as bonding, thickening, enhancing, emulsification;
Colouring agent: 0.5-1 part.Electric wire of the present invention, the screen be provided with, specifically act as: the current ratio that cable passes through is comparatively large, can produce magnetic field around electric current, in order to not affect other element, can this electromagnetic-field-shielded in cable so add screen; Can play certain earth conductor cable cable price protection effect, if occur damaged in cable core, the electric current leaked along shielding laminar flow as ground network, can play the effect of safeguard protection; Screen can adopt zinc-plated, silver-plated or nickel plated copper wire braiding, and count is at least 85%, also can adopt aluminium-plastic tape;
Be provided with EVA/LDPE composite insulation layer, compared to common insulating barrier, its insulation property are more superior, meanwhile, also have splendid anti-flammability, mechanical property;
Be provided with outside ceramic silicon rubber layer, ceramic silicon rubber has splendid heat-resisting, fire-resistant, stability, enhances the fire resistance of the independent conductor of every root, thus the fire resistance of electric wire entirety is strengthened, and its safety in utilization is strengthened;
Be provided with high-temperature-resistant layer, enhance the thermal endurance of cable, heat-resisting quantity, enhance the fire resistant flame retardant of cable to a certain extent;
Flame-retarding glass fiber filler yarn, has good fire resistance, improves the anti-flammability of electric wire;
Inhibiting tape, to electric wire, the anti-flammability comprising the entirety of conductor and filler serves guarantee, the halogen-free flameproof band that usual employing is sold on the market;
Mica layer: further enhancing fire resistance;
EVA/LDPE composite insulation layer, EVA/LDPE composite protection layer, double shielding, double hyer insulation, Double-layer flame-retardant, while strengthening the protection to electric wire further, further enhances the insulating properties of electric wire, anti-flammability, mechanical property;
Mica layer two, further enhancing fire resistance;
Uvioresistant layer, makes cable have splendid anti-ultraviolet function, avoids because of irradiation or Ultraviolet radiation aging, extend its useful life;
Polytetrafluoroethylene/polyimides composite bed, polyimides is one of combination property the best in all organic high molecular polymers, its thermal endurance, resistance toly cut the general character, radioresistance, Inverter fed motor, arc resistance are excellent, in radiation field, mechanical performance and electrical insulation capability are also more stable, but it is not percentage elongation is little, alkaline-resisting.Polytetrafluoroethylene has the features such as fabulous dielectric constant, low loss factors, serviceability temperature wide ranges, but Inverter fed motor, radioresistance are poor; Both compounds, learn from other's strong points to offset one's weaknesses, can improve its combination property, make the fire resistance of cable, insulating properties, anti-flammability, environment resistant, waterproof and oilproof anti-aging is all improved;
Multi-layer structure design, electric wire of the present invention is made to have excellent fire resistance, anti-flammability, heat-resisting quantity, insulating properties, anti-corrosive properties, anti-uv, fail safe etc., make the overall performance of electric wire be far longer than common electric wire, make electric wire of the present invention become an excellent flame-retardant and fire-resistant wire and cable.
Described anti-impact modifier is methacrylate butadi ene styrene copolymer; Methacrylate butadi ene styrene copolymer and MBS are a kind of novel high polymer materials, adopt emulsion grafting polymerization method to be prepared from by methyl methacrylate (M), butadiene (B) and styrene (S).This resin has typical nucleocapsid structure on submicro-morphological, and the rubber phase globose nucleus of core to be a diameter be 10 ~ 100nm, outside is the shell of styrene and methyl methacrylate composition.This special construction of MBS imparts the shock resistance of goods excellence.When adding MBS resin in the present invention, the impact strength of product can be made to improve 4-15 doubly, also can improve cold resistance and the processing fluidity of product simultaneously, and the original physicochemical property of its main component PE can be kept;
Described plasticizer is di-n-octyl sebacate; The plasticizing effect of electric wire is strengthened, also makes its pliability strengthen, be more prone to processing, simultaneously less expensive, and nontoxic;
Described stabilizer is calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio is the mixture of 1:2; Adding stabilizer can make product property more stable, prevent its decompose, aging, calcium-zinc composite stabilizing agent is compared to stabilizers such as some other metallic lead classes simultaneously, not only stablizing effect is good, also nontoxic, environmental protection simultaneously, after pentaerythrite mixing, its stablizing effect can be further enhanced;
Described phase flux is glycidyl methacrylate; Phase flux can improve the compatibility of material and the dispersiveness of filler greatly, thus improve mechanical mechanics property, hot property, the colorability that significantly can strengthen product, improve the processing characteristics of product, shock resistance, reduction water absorption rate, improve dimensional stability;
Described lubricant is paraffin oil and paraffin composition by weight ratio is the mixture of 1:2; Paraffin oil and paraffin are all good lubricants, simultaneously or a kind of softening agent, viscosity can be reduced, be convenient to materials processing produce, so not only can put forward the production efficiency of materials processing, reduce production cost, also make the chemical-resistant resistance ability of material more excellent simultaneously, when both ratios are 1:2, its maximum effect;
Described coupling agent is titanate coupling agent; The thermal endurance of product, anti-flammability, solvent resistance, mechanical strength and electrical property etc. can be significantly improved; Titanate coupling agent, compared to other coupling agents, for this product, makes properties of product promote more remarkable; Titanate coupling agent can be divided into by chemical constitution: monoalkoxy fatty acid type, phosphate type, chelating type and coordination build, wherein isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters (TTOPP) belongs to phosphate type, itself is containing P elements, be beneficial to the phosphorus content improving fire retardant, make it have better fire resistance;
Described antismoke agent is mol ratio is Sb
2o
3: MoO
3the mixture of=1:1; Can eliminate or reduce smog and pernicious gas that material produces in combustion, add appropriate antismoke agent, while calamity significantly reduces the amount of being fuming in combustion process, anti-flammability and the oxygen index of material can be improved, environmental protection simultaneously;
Described age resistor is antioxidant 264; Prevent or suppress the factors disrupt product properties such as 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 etc. of vulcanizing agent consumption and raising goods, 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 as a kind of white color agents, simultaneously or well ultraviolet (UV) resistant agent, adds titanium dioxide and makes material that material can also be made on painted basis to have good weatherability; Carbon black is conventional black pigment, low price, also has UV protection (anti-aging) effect to product in addition.
The thickness of described EVA/LDPE composite insulation layer is 1.2-2.4mm.
Thickness outside described ceramic silicon rubber layer is 0.5-0.8mm.
Described high-temperature-resistant layer is polyimides, and the thickness of described high-temperature-resistant layer is 1-2mm; The thickness of described mica layer is 1-2mm.Polyimides is one of high-molecular organic material of combination property the best, high temperature resistantly reaches more than 400 DEG C, Long-Time Service temperature range-200 ~ 300 DEG C, without sharp melting point, and high insulating property; High-temperature-resistant layer adopts polyimides, makes it have splendid heat-resisting quantity and insulating properties.
The thickness of described EVA/LDPE composite protection layer is 2.8-3.8mm.
The thickness of described mica layer two is 0.8-1mm; Described polytetrafluoroethylene/polyimides composite bed comprises the polytetrafluoroethylene of mass fraction 45% and the polyimides of 55%, and the thickness of described polytetrafluoroethylene/polyimides composite bed is 0.4-0.6mm.Under this proportioning carries out combining case, the fire resistance of composite bed, insulating properties, anti-flammability, the performance such as environment resistant are best.
Described uvioresistant layer is anti-ultraviolet acrylate paint layer, described acrylate paint layer comprises the nano titanium oxide of mass fraction 5.5-6%, the bisphenol-A of 0.2-0.3%, the BASF B97 liquid hindered amine light stabilizer of 0.5-1%, all the other are acrylate, and the thickness of described uvioresistant layer is 20-25 μm.Adopt this coating, product its performance under irradiation can be made substantially to remain unchanged, the ultraviolet of more than 99% can also be shielded simultaneously, prevent electric wire aging, extend its useful life.
The quantity of described conductor has 2 at least, and described conductor and its outside coated screen, EVA/LDPE composite insulation layer, ceramic silicon rubber layer are outer, high-temperature-resistant layer forms an entirety, and symmetrical is distributed in described inhibiting tape.
A preparation method for environmental-protection flame-retardant fire-resistant wire and cable, is characterized in that: the CABLE MATERIALS preparation mainly comprising EVA/LDPE composite insulation layer, EVA/LDPE composite protection layer, and two-layer CABLE MATERIALS used is consistent, and concrete preparation method is as follows:
Prepare burden by described formula; the material prepared adds melt blending in two roller mill; mixing temperature is 145 DEG C, and incorporation time is 8-15 minute, blended evenly after; bottom sheet is cut out; then transfer to compression molding on vulcanizing press, during sulfuration, temperature is 170 DEG C, and the time is 10-15 minute; pressure is 15MPa, can obtain required EVA/LDPE composite insulation layer, the CABLE MATERIALS of EVA/LDPE composite protection layer.Strict control forming temperature, temperature is too high, and product can be caused to decompose, and cause product surface coarse and occur a large amount of pore, temperature is too low, and product can not plastify completely, is difficult to shaping, only has at this temperature, the surface quality of guarantee product.
Beneficial effect: environmental-protection flame-retardant fire-resistant 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 EVA/LDPE composite insulation layer be provided with, ceramic silicon rubber layer are outer, flame-retarding glass fiber filler yarn, EVA/LDPE composite protection layer, polytetrafluoroethylene/polyimides composite bed, two-layer mica layer, multiple setting, makes the fire resistance of this product, anti-flammability, insulating properties far beyond like product; The material simultaneously used is all halogen-free environment-friendly type material, and making of the present invention is environmental-protection flame-retardant fire-resistant wire and cable;
2, electric wire of the present invention, be provided with screen, polytetrafluoroethylene/polyimides composite bed, uvioresistant layer, make that the shield effectiveness of this product is superior, signal propagates stable, have excellent uviolresistance, waterproof anti-corrosion, thermal endurance, weatherability etc., be the electric wire that a kind of combination property is superior simultaneously;
3, electric wire of the present invention, EVA/LDPE composite insulation layer, EVA/LDPE composite protection layer, EVA, LDPE is adopted to be that main material carries out compound, abundant complementation defect between the two, add other some auxiliary agents simultaneously, such as plasticizer, stabilizer, lubricant etc., make the performance of each side such as the insulating properties of wire cable material itself, physical and mechanical properties, elasticity, resistance to ag(e)ing, corrosion resistance, the anti-flammability colleague property compared all more perfect, excellent;
4, electric wire of the present invention, EVA/LDPE composite insulation layer, EVA/LDPE composite protection layer, adopt EVA, LDPE to be main material, add the fire retardants such as expanded graphite, nickel oxide, magnesium hydroxide, aluminium hydroxide simultaneously, make product superior in anti-flammability, fire resistance;
5, electric wire of the present invention, the colouring agent selected, also has UV protection (anti-aging) effect to product in addition;
6, electric wire of the present invention, is all ep-type material from the major ingredient used to other auxiliary reagent, makes the environment-friendly type of final wire cable material better;
7, electric wire of the present invention, easy to prepare, material therefor environmental protection, is a kind of high performance electric wire of environment-friendly type;
8, 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-EVA/LDPE composite insulation layer, 4-ceramic silicon rubber layer, 5-high-temperature-resistant layer, 6-flame-retarding glass fiber filler yarn, 7-inhibiting tape, 8-mica layer, 9-EVA/LDPE composite protection layer, 10-mica layer two, 11-polytetrafluoroethylene/polyimides composite bed, 12-uvioresistant 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; based on the embodiment in the present invention; those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
embodiment 1
A kind of environmental-protection flame-retardant fire-resistant wire and cable, comprise 3 conductors 1, described conductor 1 outside is provided with screen 2, described screen 2 outside is provided with EVA/LDPE composite insulation layer 3, described EVA/LDPE composite insulation layer 3 outside is provided with ceramic silicon rubber layer 4, described ceramic silicon rubber layer 4 outside is provided with high-temperature-resistant layer 5, flame-retarding glass fiber filler yarn 6 is filled with between described conductor 1, described whole conductor 1 and flame-retarding glass fiber filler yarn 6 outside are provided with inhibiting tape 7, the screen 2 that described conductor 1 is outside coated with it, EVA/LDPE composite insulation layer 3, ceramic silicon rubber layer 4, high-temperature-resistant layer 5 forms an entirety, symmetrical is distributed in described inhibiting tape 7, described inhibiting tape 7 outside is provided with mica layer 8, described mica layer 8 outside is provided with EVA/LDPE composite protection layer 9, described EVA/LDPE composite protection layer 9 outside is provided with mica layer 2 10, described mica layer 2 10 outside is provided with polytetrafluoroethylene/polyimides composite bed 11, described polytetrafluoroethylene/polyimides composite bed 11 outside is coated with uvioresistant layer 12, described EVA/LDPE composite insulation layer 3, EVA/LDPE composite protection layer 9 are all made up of the material described in following formula, and number is wherein mass percent:
EVA:100 part;
LDPE:75 part;
Stearic acid: 2 parts;
Expanded graphite: 1 part;
Nickel oxide: 4 parts;
The mass fraction of magnesium hydroxide and aluminium hydroxide is the compound of 2:1: 50 parts;
Polypropylene fibre: 4 parts;
Antioxidant: bisphenol-A: 0.2 part;
Anti-impact modifier: methacrylate butadi ene styrene copolymer: 3 parts;
Plasticizer: di-n-octyl sebacate: 8 parts;
Stabilizer: calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are the mixture of 1:2: 2 parts;
Phase flux: glycidyl methacrylate: 5 parts;
Lubricant: paraffin oil and paraffin composition by weight ratio are the mixture of 1:2: 3 parts;
Coupling agent: isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.3 part;
Antismoke agent: mol ratio is the mixture of Sb2O3:MoO3=1:1: 0.5 part;
Age resistor: antioxidant 264: 0.5 part;
Promoter: accelerator NS: 2 parts;
Calcium carbonate: 5 parts;
Sodium carboxymethylcellulose: 1 part;
Colouring agent: titanium dioxide or carbon black: 0.5 part.
The thickness of described EVA/LDPE composite insulation layer 3 is 1.2mm.
The thickness of described ceramic silicon rubber layer 4 is 0.5mm.
Described high-temperature-resistant layer 5 is polyimides, and the thickness of described high-temperature-resistant layer 5 is 1mm.
Described mica layer 8 is polyimides, and the thickness of described mica layer 8 is 1mm.
The thickness of described EVA/LDPE composite protection layer 9 is 2.8mm.
The thickness of described mica layer 2 10 is 0.8mm.
Described polytetrafluoroethylene/polyimides composite bed 11 comprises the polytetrafluoroethylene of mass fraction 45% and the polyimides of 55%, and the thickness of described polytetrafluoroethylene/polyimides composite bed 11 is 0.4mm.
Described uvioresistant layer 12 is anti-ultraviolet acrylate paint layer, described acrylate paint layer comprises the nano titanium oxide of mass fraction 5.5%, the bisphenol-A of 0.2%, the BASF B97 liquid hindered amine light stabilizer of 0.5%, all the other are acrylate, and the thickness of described uvioresistant layer 12 is 20 μm.
A preparation method for environmental-protection flame-retardant fire-resistant wire and cable, mainly comprise the CABLE MATERIALS preparation of EVA/LDPE composite insulation layer 3, EVA/LDPE composite protection layer 9, two-layer CABLE MATERIALS used is consistent, and concrete preparation method is as follows:
Prepare burden by described formula; the material prepared adds melt blending in two roller mill; mixing temperature is 145 DEG C, and incorporation time is 8 minutes, blended evenly after; bottom sheet is cut out; then transfer to compression molding on vulcanizing press, during sulfuration, temperature is 170 DEG C, and the time is 10 minutes; pressure is 15MPa, can obtain required EVA/LDPE composite insulation layer 3, the CABLE MATERIALS of EVA/LDPE composite protection layer 9.
embodiment 2
A kind of environmental-protection flame-retardant fire-resistant wire and cable, comprise 3 conductors 1, described conductor 1 outside is provided with screen 2, described screen 2 outside is provided with EVA/LDPE composite insulation layer 3, described EVA/LDPE composite insulation layer 3 outside is provided with ceramic silicon rubber layer 4, described ceramic silicon rubber layer 4 outside is provided with high-temperature-resistant layer 5, flame-retarding glass fiber filler yarn 6 is filled with between described conductor 1, described whole conductor 1 and flame-retarding glass fiber filler yarn 6 outside are provided with inhibiting tape 7, the screen 2 that described conductor 1 is outside coated with it, EVA/LDPE composite insulation layer 3, ceramic silicon rubber layer 4, high-temperature-resistant layer 5 forms an entirety, symmetrical is distributed in described inhibiting tape 7, described inhibiting tape 7 outside is provided with mica layer 8, described mica layer 8 outside is provided with EVA/LDPE composite protection layer 9, described EVA/LDPE composite protection layer 9 outside is provided with mica layer 2 10, described mica layer 2 10 outside is provided with polytetrafluoroethylene/polyimides composite bed 11, described polytetrafluoroethylene/polyimides composite bed 11 outside is coated with uvioresistant layer 12, described EVA/LDPE composite insulation layer 3, EVA/LDPE composite protection layer 9 are all made up of the material described in following formula, and number is wherein mass percent:
EVA:100 part;
LDPE:77.5 part;
Stearic acid: 2.5 parts;
Expanded graphite: 2 parts;
Nickel oxide: 4.5 parts;
The mass fraction of magnesium hydroxide and aluminium hydroxide is the compound of 2:1: 55 parts;
Polypropylene fibre: 5 parts;
Antioxidant: bisphenol-A: 0.4 part;
Anti-impact modifier: methacrylate butadi ene styrene copolymer: 4 parts;
Plasticizer: di-n-octyl sebacate: 9 parts;
Stabilizer: calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are the mixture of 1:2: 2.5 parts;
Phase flux: glycidyl methacrylate: 8 parts;
Lubricant: paraffin oil and paraffin composition by weight ratio are the mixture of 1:2: 3.5 parts;
Coupling agent: isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.45 part;
Antismoke agent: mol ratio is the mixture of Sb2O3:MoO3=1:1: 0.8 part;
Age resistor: antioxidant 264: 0.8 part;
Promoter: accelerator NS: 2.5 parts;
Calcium carbonate: 6.5 parts;
Sodium carboxymethylcellulose: 1.5 parts;
Colouring agent: titanium dioxide or carbon black: 0.8 part.
The thickness of described EVA/LDPE composite insulation layer 3 is 1.8mm.
The thickness of described ceramic silicon rubber layer 4 is 0.65mm.
Described high-temperature-resistant layer 5 is polyimides, and the thickness of described high-temperature-resistant layer 5 is 1.5mm.
Described mica layer 8 is polyimides, and the thickness of described mica layer 8 is 1.5mm.
The thickness of described EVA/LDPE composite protection layer 9 is 3mm.
The thickness of described mica layer 2 10 is 0.9mm.
Described polytetrafluoroethylene/polyimides composite bed 11 comprises the polytetrafluoroethylene of mass fraction 45% and the polyimides of 55%, and the thickness of described polytetrafluoroethylene/polyimides composite bed 11 is 0.5mm.
Described uvioresistant layer 12 is anti-ultraviolet acrylate paint layer, described acrylate paint layer comprises the nano titanium oxide of mass fraction 5.8%, the bisphenol-A of 0.25%, the BASF B97 liquid hindered amine light stabilizer of 0.8%, all the other are acrylate, and the thickness of described uvioresistant layer 12 is 23 μm.
A preparation method for environmental-protection flame-retardant fire-resistant wire and cable, mainly comprise the CABLE MATERIALS preparation of EVA/LDPE composite insulation layer 3, EVA/LDPE composite protection layer 9, two-layer CABLE MATERIALS used is consistent, and concrete preparation method is as follows:
Prepare burden by described formula; the material prepared adds melt blending in two roller mill; mixing temperature is 145 DEG C, and incorporation time is 11 minutes, blended evenly after; bottom sheet is cut out; then transfer to compression molding on vulcanizing press, during sulfuration, temperature is 170 DEG C, and the time is 12 minutes; pressure is 15MPa, can obtain required EVA/LDPE composite insulation layer 3, the CABLE MATERIALS of EVA/LDPE composite protection layer 9.
embodiment 3
A kind of environmental-protection flame-retardant fire-resistant wire and cable, comprise 3 conductors 1, described conductor 1 outside is provided with screen 2, described screen 2 outside is provided with EVA/LDPE composite insulation layer 3, described EVA/LDPE composite insulation layer 3 outside is provided with ceramic silicon rubber layer 4, described ceramic silicon rubber layer 4 outside is provided with high-temperature-resistant layer 5, flame-retarding glass fiber filler yarn 6 is filled with between described conductor 1, described whole conductor 1 and flame-retarding glass fiber filler yarn 6 outside are provided with inhibiting tape 7, the screen 2 that described conductor 1 is outside coated with it, EVA/LDPE composite insulation layer 3, ceramic silicon rubber layer 4, high-temperature-resistant layer 5 forms an entirety, symmetrical is distributed in described inhibiting tape 7, described inhibiting tape 7 outside is provided with mica layer 8, described mica layer 8 outside is provided with EVA/LDPE composite protection layer 9, described EVA/LDPE composite protection layer 9 outside is provided with mica layer 2 10, described mica layer 2 10 outside is provided with polytetrafluoroethylene/polyimides composite bed 11, described polytetrafluoroethylene/polyimides composite bed 11 outside is coated with uvioresistant layer 12, described EVA/LDPE composite insulation layer 3, EVA/LDPE composite protection layer 9 are all made up of the material described in following formula, and number is wherein mass percent:
EVA:100 part;
LDPE:80 part;
Stearic acid: 3 parts;
Expanded graphite: 3 parts;
Nickel oxide: 5 parts;
The mass fraction of magnesium hydroxide and aluminium hydroxide is the compound of 2:1: 60 parts;
Polypropylene fibre: 6 parts;
Antioxidant: bisphenol-A: 0.6 part;
Anti-impact modifier: methacrylate butadi ene styrene copolymer: 5 parts;
Plasticizer: di-n-octyl sebacate: 10 parts;
Stabilizer: calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are the mixture of 1:2: 3 parts;
Phase flux: glycidyl methacrylate: 10 parts;
Lubricant: paraffin oil and paraffin composition by weight ratio are the mixture of 1:2: 4 parts;
Coupling agent: isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.6 part;
Antismoke agent: mol ratio is the mixture of Sb2O3:MoO3=1:1: 1 part;
Age resistor: antioxidant 264: 1 part;
Promoter: accelerator NS: 3 parts;
Calcium carbonate: 8 parts;
Sodium carboxymethylcellulose: 2 parts;
Colouring agent: titanium dioxide or carbon black: 1 part.
The thickness of described EVA/LDPE composite insulation layer 3 is 2.4mm.
The thickness of described ceramic silicon rubber layer 4 is 0.8mm.
Described high-temperature-resistant layer 5 is polyimides, and the thickness of described high-temperature-resistant layer 5 is 2mm.
Described mica layer 8 is polyimides, and the thickness of described mica layer 8 is 2mm.
The thickness of described EVA/LDPE composite protection layer 9 is 3.8mm.
The thickness of described mica layer 2 10 is 1mm.
Described polytetrafluoroethylene/polyimides composite bed 11 comprises the polytetrafluoroethylene of mass fraction 45% and the polyimides of 55%, and the thickness of described polytetrafluoroethylene/polyimides composite bed 11 is 0.6mm.
Described uvioresistant layer 12 is anti-ultraviolet acrylate paint layer, described acrylate paint layer comprises the nano titanium oxide of mass fraction 6%, the bisphenol-A of 0.3%, the BASF B97 liquid hindered amine light stabilizer of 1%, all the other are acrylate, and the thickness of described uvioresistant layer 12 is 25 μm.
A preparation method for environmental-protection flame-retardant fire-resistant wire and cable, mainly comprise the CABLE MATERIALS preparation of EVA/LDPE composite insulation layer 3, EVA/LDPE composite protection layer 9, two-layer CABLE MATERIALS used is consistent, and concrete preparation method is as follows:
Prepare burden by described formula; the material prepared adds melt blending in two roller mill; mixing temperature is 145 DEG C, and incorporation time is 15 minutes, blended evenly after; bottom sheet is cut out; then transfer to compression molding on vulcanizing press, during sulfuration, temperature is 170 DEG C, and the time is 15 minutes; pressure is 15MPa, can obtain required EVA/LDPE composite insulation layer 3, the CABLE MATERIALS of EVA/LDPE composite protection layer 9.
The electric wire of above-described embodiment; be provided with multiple layer refractory layer, flame-retardant layer; make its fire resistance, anti-flammability very good; also be provided with other protective layers simultaneously and make the everyway comparative superiorities such as its resistance to wear, mechanical property, heat-resisting quantity, impact resistance; in addition; polytetrafluoroethylene/polyimides composite bed, uvioresistant layer, make high temperature resistant, the insulating properties of electric wire, environment resistant, waterproof anti-corrosion superior performance, uviolresistance are superior, extends its useful life.In its anti-flammability of electric wire of the present invention, its oxygen index is greatly about about 45, namely the standard 36(being greater than high flame retardant in general oxygen index >36 means to have high flame retardant, and oxygen index of the present invention is far longer than 36, this just illustrates that wire cable material of the present invention has splendid fire resistance), the UL94 tested out is V-0 level, in mechanical-physical, its hot strength is at >18MPa, elongation at break >180%, be up to about 300%, its mechanical-physical is superior as can be seen here, also there is waterproof anti-corrosion well simultaneously.
The halogen-free material that the material simultaneously used in electric wire of the present invention is environment-friendly type, therefore electric wire of the present invention is a kind of environmental-protection flame-retardant fire-resistant wire and cable.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its objective is to allow and is familiar with these those skilled in the art and can understands content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalents of making according to Spirit Essence of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (10)
1. an environmental-protection flame-retardant fire-resistant 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 EVA/LDPE composite insulation layer (3), described EVA/LDPE composite insulation layer (3) outside is provided with ceramic silicon rubber layer (4), described ceramic silicon rubber layer (4) outside is provided with high-temperature-resistant layer (5), flame-retarding glass fiber filler yarn (6) is filled with between described conductor (1), described whole conductor (1) and flame-retarding glass fiber filler yarn (6) outside are provided with inhibiting tape (7), described inhibiting tape (7) outside is provided with mica layer (8), described mica layer (8) outside is provided with EVA/LDPE composite protection layer (9), described EVA/LDPE composite protection layer (9) outside is provided with mica layer two (10), described mica layer two (10) outside is provided with polytetrafluoroethylene/polyimides composite bed (11), described polytetrafluoroethylene/polyimides composite bed (11) outside is coated with uvioresistant layer (12), described EVA/LDPE composite insulation layer (3), EVA/LDPE composite protection layer (9) are all made up of the material described in following formula, and number is wherein mass percent:
EVA:100 part;
LDPE:75-80 part;
Stearic acid: 2-3 part;
Expanded graphite: 1-3 part;
Nickel oxide: 4-5 part;
The mass fraction of magnesium hydroxide and aluminium hydroxide is the compound of 2:1: 50-60 part;
Polypropylene fibre: 4-6 part;
Bisphenol-A: 0.2-0.6 part;
Anti-impact modifier: 3-5 part;
Plasticizer: 8-10 part;
Stabilizer: 2-3 part;
Phase flux: 5-10 part;
Lubricant: 3-4 part;
Coupling agent: 0.3-0.6 part;
Antismoke agent: 0.5-1 part;
Age resistor: 0.5-1 part;
Promoter: 2-3 part;
Calcium carbonate: 5-8 part;
Sodium carboxymethylcellulose: 1-2 part;
Colouring agent: 0.5-1 part.
2. environmental-protection flame-retardant fire-resistant wire and cable according to claim 1, is characterized in that: described anti-impact modifier is methacrylate butadi ene styrene copolymer; Described plasticizer is di-n-octyl sebacate; Described stabilizer is calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio is the mixture of 1:2; Described phase flux is glycidyl methacrylate; Described lubricant is paraffin oil and paraffin composition by weight ratio is the mixture of 1:2; Described coupling agent is titanate coupling agent; The mixture of described antismoke agent to be mol ratio be Sb2O3:MoO3=1:1; Described age resistor is antioxidant 264; Described promoter is accelerator NS; Described colouring agent is titanium dioxide or carbon black.
3. environmental-protection flame-retardant fire-resistant wire and cable according to claim 1, is characterized in that: the thickness of described EVA/LDPE composite insulation layer (3) is 1.2-2.4mm.
4. environmental-protection flame-retardant fire-resistant wire and cable according to claim 1, is characterized in that: the thickness of described ceramic silicon rubber layer outer (4) is 0.5-0.8mm.
5. environmental-protection flame-retardant fire-resistant wire and cable according to claim 1, is characterized in that: described high-temperature-resistant layer (5) is polyimides, and the thickness of described high-temperature-resistant layer (5) is 1-2mm; The thickness of described mica layer (8) is 1-2mm.
6. environmental-protection flame-retardant fire-resistant wire and cable according to claim 1, is characterized in that: the thickness of described EVA/LDPE composite protection layer (9) is 2.8-3.8mm.
7. environmental-protection flame-retardant fire-resistant wire and cable according to claim 1, is characterized in that: the thickness of described mica layer two (10) is 0.8-1mm; Described polytetrafluoroethylene/polyimides composite bed (11) comprises the polytetrafluoroethylene of mass fraction 45% and the polyimides of 55%, and the thickness of described polytetrafluoroethylene/polyimides composite bed (11) is 0.4-0.6mm.
8. environmental-protection flame-retardant fire-resistant wire and cable according to claim 1, it is characterized in that: described uvioresistant layer (12) is anti-ultraviolet acrylate paint layer, described acrylate paint layer comprises the nano titanium oxide of mass fraction 5.5-6%, the bisphenol-A of 0.2-0.3%, the BASF B97 liquid hindered amine light stabilizer of 0.5-1%, all the other are acrylate, and the thickness of described uvioresistant layer (12) is 20-25 μm.
9. environmental-protection flame-retardant fire-resistant wire and cable according to claim 1, it is characterized in that: the quantity of described conductor (1) has 2 at least, described conductor (1) forms an entirety with its outside coated screen (2), EVA/LDPE composite insulation layer (3), ceramic silicon rubber layer outer (4), high-temperature-resistant layer (5), and symmetrical is distributed in described inhibiting tape (7).
10. the preparation method of an environmental-protection flame-retardant fire-resistant wire and cable as claimed in claim 1; it is characterized in that: the CABLE MATERIALS preparation mainly comprising EVA/LDPE composite insulation layer (3), EVA/LDPE composite protection layer (9); two-layer CABLE MATERIALS used is consistent, and concrete preparation method is as follows:
Prepare burden by described formula; the material prepared adds melt blending in two roller mill; mixing temperature is 145 DEG C, and incorporation time is 8-15 minute, blended evenly after; bottom sheet is cut out; then transfer to compression molding on vulcanizing press, during sulfuration, temperature is 170 DEG C, and the time is 10-15 minute; pressure is 15MPa, can obtain required EVA/LDPE composite insulation layer (3), the CABLE MATERIALS of EVA/LDPE composite protection layer (9).
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070399A (en) * | 2015-09-09 | 2015-11-18 | 刘雷 | Fire-proof type signal cable and production method thereof |
| CN105225752A (en) * | 2015-09-28 | 2016-01-06 | 安徽贝特电缆科技有限公司 | A kind of high-strength anti-flaming fire proof power cable and preparation method thereof |
| CN105161194A (en) * | 2015-09-30 | 2015-12-16 | 国网山东蓬莱市供电公司 | Formulation of composite material of protective layer of underground power cable |
| CN106318199A (en) * | 2016-08-26 | 2017-01-11 | 吴小慧 | Salt-mist-resisting cable coating material and preparation method thereof |
| CN106554537A (en) * | 2016-10-17 | 2017-04-05 | 安徽省绿环电气股份有限公司 | A kind of high-voltage crosslinkable polyethylene power cable |
| CN107129644A (en) * | 2017-06-03 | 2017-09-05 | 合肥市闵葵电力工程有限公司 | A kind of wire cable material of novel fire resistant and preparation method thereof |
| CN107815169A (en) * | 2017-09-22 | 2018-03-20 | 武汉亿维登科技发展有限公司 | A kind of uvioresistant cable |
| CN109994273B (en) * | 2019-03-28 | 2020-01-21 | 盐城市科恒达材料有限公司 | Flame-retardant and fire-resistant wire and cable material and preparation method thereof |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410496A (en) * | 2001-10-10 | 2003-04-16 | 华新丽华股份有限公司 | Environmental protection cable wire coating composition |
| EP1198499B1 (en) * | 2000-01-12 | 2005-08-31 | THORSMAN & CO AB | A flame-retardant polymer composition |
| CN101328293A (en) * | 2008-08-04 | 2008-12-24 | 宜兴市旺达塑业有限公司 | Thermoplastic low-smoke halogen-free flame-retardant sheath material |
| CN203085242U (en) * | 2013-01-10 | 2013-07-24 | 安徽华津电缆集团有限公司 | A fluoroplastic insulating high-temperature-resistant control cable |
| CN103928188A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | High-temperature resistant data transmission cable with good shielding property |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5128092B2 (en) * | 2006-08-09 | 2013-01-23 | 矢崎エナジーシステム株式会社 | Marking wire / cable |
-
2014
- 2014-09-03 CN CN201410445503.XA patent/CN104200890B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1198499B1 (en) * | 2000-01-12 | 2005-08-31 | THORSMAN & CO AB | A flame-retardant polymer composition |
| CN1410496A (en) * | 2001-10-10 | 2003-04-16 | 华新丽华股份有限公司 | Environmental protection cable wire coating composition |
| CN101328293A (en) * | 2008-08-04 | 2008-12-24 | 宜兴市旺达塑业有限公司 | Thermoplastic low-smoke halogen-free flame-retardant sheath material |
| CN203085242U (en) * | 2013-01-10 | 2013-07-24 | 安徽华津电缆集团有限公司 | A fluoroplastic insulating high-temperature-resistant control cable |
| CN103928188A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | High-temperature resistant data transmission cable with good shielding property |
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