CN104200881A - Insulation compound halogen-free flame retardant wire and cable and manufacturing method thereof - Google Patents
Insulation compound halogen-free flame retardant wire and cable and manufacturing method thereof Download PDFInfo
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- CN104200881A CN104200881A CN201410445387.1A CN201410445387A CN104200881A CN 104200881 A CN104200881 A CN 104200881A CN 201410445387 A CN201410445387 A CN 201410445387A CN 104200881 A CN104200881 A CN 104200881A
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Abstract
The invention provides an insulation compound halogen-free flame retardant wire and cable which comprises conductors. A shielding layer is arranged on the outer portion of each conductor, and a DMC/SBR/MVQ compound insulation layer is arranged outside each shielding layer. A ceramic silicone rubber layer is arranged on the outer portion of each DMC/SBR/MVQ compound insulation layer, and an expansion layer is arranged on the outer portion of each ceramic silicone rubber layer. Flame retardant glass fiber fillers are filled between the conductors, and flame retardant strips are arranged on the outer portions of the conductors and the flame retardant glass fiber fillers. Expansion strips are arranged on the outer portions of the flame retardant strips, DMC/SBR/MVQ compound protection layers are arranged on the outer portions of the expansion strips, EVA adhesive layers are arranged on the outer portions of the DMC/SBR/MVQ compound protection layers, Teflon/ polyimide compound layers are coated on the outer portion of the EVA adhesive layers, and uvioresistant layers are arranged on the outer portions of the Teflon/ polyimide compound layers. The invention further provides a manufacturing method of the insulation compound halogen-free flame retardant wire and cable. The insulation compound halogen-free flame retardant wire and cable are provided with multiple insulation layers and flame retardant layers so that it has insulation and flame retardant functions.
Description
Technical field
The present invention relates to a kind of electric wire and preparation method thereof, be specifically related to a kind of insulated compound halogen-free flame-retardant wire 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 constantly 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.
Along with the raising of people's awareness of safety, people are more and more higher to the performance requirement such as anti-flammability, fire resistance of electric wire, and high flame-retardant electric wire and cable is the emphasis that current people relatively pay close attention to.
In many large-scale public arena breaking out of fire accidents, because sucking, electric wire (high polymer) discharges the reason of most of personnel's death in the time burning, corrosive and poisonous dense smoke gas suffocates.Wire cable material is carried out to fire-retardant and low cigarette processing, and oneself fundamentally prevents from and reduces fire occurring through being acknowledged as, and reduces the Important Action of people's life and property loss.
Current electric wire comprises the multiple electric wires such as PVC, PE, PP from material point.PVC material has good mechanical and physical performance, pliability, chemical reagent-resistant performance, and low price, and processing characteristics excellence, be widely used on flame-retardant electric wire and cable.But, in PVC, contain halogen element, therefore, it is discharge, corrosive and poisonous gas in the time of burning.At present, employing other materials gradually replaces PVC.Electric wire is at when burning dense smoke gas that discharge, corrosive and poisonous and suffocating, be not only the resin of its main body composition as contained halogen element in PVC, also comprise some halogen containing flame-retardants of its use.People, in order to improve the anti-flammability of electric wire, conventionally can in its material, add some fire retardants, and traditionally, these fire retardants are all halogen-containing materials.Research shows, halogen containing flame-retardant (HFR) is harmful to life and environment, and because legislation limits the use of these materials, final goal is the use that stops most of these series products.For example, deca-BDE is a kind of HFR, and European Union has banned use of this material.
Meanwhile, insulating properties, mechanical performance are all the important indicators of electric wire.
For socioeconomic development, also, for protection of the environment and people's property safety and healthy, be necessary to develop a kind of insulated compound halogen-free flame-retardant wire 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 insulated compound halogen-free flame-retardant wire cable and preparation method thereof.
Technical scheme: in order to realize above object, the present invention adopts following technical scheme:
A kind of insulated compound halogen-free flame-retardant wire cable, comprise conductor, described conductor outside is provided with screen, described screen outside is provided with DMC/SBR/MVQ composite insulation layer, described DMC/SBR/MVQ composite insulation layer outside is provided with ceramic silicon rubber layer, described ceramic silicon rubber layer outside is provided with expanding layer, between described conductor, be filled with flame-retarding glass fiber filler yarn, described whole conductor and flame-retarding glass fiber filler yarn outside are provided with inhibiting tape, described inhibiting tape outside is provided with zone of swelling, described zone of swelling outside is provided with DMC/SBR/MVQ composite protection layer, described DMC/SBR/MVQ composite protection layer outside is provided with EVA adhesive layer, described EVA adhesive layer outside has been provided with polytetrafluoroethylene/polyimides composite bed, described polytetrafluoroethylene/polyimides composite bed outside is coated with uvioresistant layer, described DMC/SBR/MVQ composite insulation layer, DMC/SBR/MVQ composite protection layer are all flame-resistant insulation type DMC/SBR/MVQ compound resin layers, are all mainly made up of the material of following mass percent:
MVQ:100 part; Methyl vinyl silicone rubber, has outstanding high and low temperature resistance and weather, ageing-resistant performance, excellent electrical insulation capability and special surface property and physiology inertia, but there is the poor shortcoming of mechanical property;
SBR:25-35 part; ; Butadiene-styrene rubber, because the compatibility between MVQ and DMC is bad, thereby MVQ and the compound rear mechanical property of DMC and insulating properties are not very good, add SBR, play compatible effect, make DMC/SBR/MVQ compound evenly, composite bed mechanical property and the insulating properties of entirety are all better;
DMC:75-80 part; : glass fiber reinforcement unsaturated polyester moulding compound, with the compound mechanical property that can strengthen methyl vinyl silicone rubber MVQ of MVQ;
EVA:8-10 part; EVA not only has splendid mechanical property, and thermoplasticity, gumminess are all horizontal good, join in composite material, mechanical property and compatibility that can reinforcing material entirety;
Expanded graphite: 1-3 part;
Nickel oxide: 4-5 part; Mix use with expanded graphite, have splendid anti-flammability, mechanical performance significantly promotes;
The mass fraction of APP and pentaerythrite is the compound of 4:1: 20-25 part; The compound of APP and pentaerythrite can form the uniform carbonaceous froth bed of one deck in fire-retardant on surface, the effect that this charcoal layer is on good terms and is played heat insulation, oxygen barrier, presses down cigarette and anti-molten drop in cohesion, APP is under 4:1 with pentaerythrite by the composite ratio of mass fraction, fire-retardant, heat insulation, oxygen barrier, press down cigarette and anti-molten drop effect the most remarkable;
Polypropylene fibre: 4-6 part; Can improve impact resistance and the toughness of product;
Antioxidant: 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; 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;
Sodium carboxymethylcellulose: 1-2 part;
Colouring agent: 0.5-1 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; 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 DMC/SBR/MVQ 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 good heat-resisting, fire-resistant, stability, has strengthened the fire resistance of every independent conductor, thereby the fire resistance of electric wire entirety is strengthened, and its safety in utilization is strengthened;
Be provided with expanding layer, strengthened dilatancy, elasticity and impact resistance;
Flame-retarding glass fiber filler yarn, has good fire resistance, has improved the anti-flammability of electric wire;
Inhibiting tape, to electric wire, the overall anti-flammability including conductor and filler has played guarantee, conventionally adopts the halogen-free flameproof band of selling on the market;
Zone of swelling: further strengthened dilatancy, elasticity and impact resistance;
DMC/SBR/MVQ composite insulation layer, DMC/SBR/MVQ composite protection layer, double shielding, double hyer insulation, double-deck fire-retardant, in further strengthening the protection of electric wire, further strengthen insulating properties, anti-flammability, the mechanical property of electric wire;
EVA adhesive layer, has strengthened the bonding strength between DMC/SBR/MVQ composite protection layer and other layers, is that whole cable is better;
Uvioresistant layer, makes cable have splendid anti-ultraviolet function, avoid because of irradiation or ultraviolet ray irradiate 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, the resistance to general character, radioresistance, resistance to corona, the arc resistance excellence of cutting, 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 resistance to corona, radioresistance are poor; Both are compound, learn from other's strong points to offset one's weaknesses, and can improve its combination property, and the insulating properties, anti-flammability of cable, environment resistant, waterproof and oilproof anti-aging are all improved;
Sandwich construction design, makes electric wire of the present invention have good insulating properties, anti-flammability, heat-resisting quantity, anti-corrosive properties, anti-uv, fail safe etc., makes the overall performance of electric wire be far longer than common electric wire.
Described antioxidant is bisphenol-A; Bisphenol-A is a kind of bisphenols antioxidant, have that relative toxicity is low, nondiscolouring, non-staining feature, add after product, can catch x ray irradiation x and the free radical that produces and antioxidant and the light stabilizer (being referred to as radioresistance auxiliary agent) of absorption portion radiant can effectively improve material radiation resistance; Can also make the mechanical performance of product more stable, make product after irradiation, tensile strength of material conservation rate can reach 100% substantially simultaneously;
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, adopts emulsion grafting polymerization method to be prepared from by methyl methacrylate (M), butadiene (B) and styrene (S).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 of styrene and methyl methacrylate composition.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 plasticizer is di-n-octyl sebacate; The plasticizing effect of electric wire is strengthened, also make its pliability strengthen, be more prone to processing, less expensive simultaneously, and nontoxic;
Described stabilizer is that stabilizer is the mixture that calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are 1:2; Add stabilizer can make product property more stable, prevent its decomposition, 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 mixing with pentaerythrite, 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, 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, the production efficiency that so not only can propose materials processing, reduces production costs, and also makes the chemical-resistant resistance ability of material better simultaneously, in the time that both ratios are 1:2, its maximum effect;
Described coupling agent is titanate coupling agent; Can significantly improve thermal endurance, anti-flammability, solvent resistance, mechanical strength and the electrical property etc. of product; Titanate coupling agent, compared to other coupling agents, for this product, promotes properties of product 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 contains P elements, be beneficial to the phosphorus content that improves fire retardant, make it have better fire resistance;
Described antismoke agent is that 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 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 from or suppress factors disrupt product properties such as oxygen, heat, light, ozone, mechanical stress, heavy metal ion, extend goods storing 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.
The thickness of described DMC/SBR/MVQ composite insulation layer is 1.2-2.4mm.
Thickness outside described ceramic silicon rubber layer is 0.5-0.8mm.
Described expanding layer is SBS rubber layer, and the thickness of described expanding layer is 1-2mm; Described zone of swelling is SBS rubber layer, and the thickness of described zone of swelling is 1-2mm.S represents styrene, and B represents butadiene, and SBS is exactly the butadiene-styrene rubber that adopts the block copolymer form of radical polymerization production.Polymer two ends are segments of styrene polymer, and centre is butadiene polymer segment, form the triblock copolymer of ABA type.And SBS rubber typically refers to SBS carried out to the SBS after hydrotreatment, eliminate the two keys in polybutadiene block by hydrotreatment, make SBS rubber there is good oxidation resistance; SBS has splendid dilatancy simultaneously.
The thickness of described DMC/SBR/MVQ composite protection layer is 2.8-3.8mm.
The thickness of described EVA adhesive layer is 0.3-0.5mm; Described polytetrafluoroethylene/polyimides composite bed comprises the polytetrafluoroethylene of mass fraction 45% and 55% polyimides, and the thickness of described polytetrafluoroethylene/polyimides composite bed is 0.4-0.6mm.Carry out under combining case the insulating properties of composite bed, anti-flammability, the performance the best such as environment resistant in this proportioning.
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 μ m.Adopt this coating, can make product its performance under irradiation substantially remain unchanged, can also shield more than 99% ultraviolet ray, prevent that electric wire is aging, extend its useful life simultaneously.
The quantity of described conductor has 2 at least, and outside coated screen, DMC/SBR/MVQ composite insulation layer, the ceramic silicon rubber layer of described conductor and its is outer, expanding layer forms an entirety, and symmetrical is distributed in described inhibiting tape.
A preparation method for insulated compound halogen-free flame-retardant wire cable, mainly comprises the CABLE MATERIALS preparation of DMC/SBR/MVQ composite insulation layer, DMC/SBR/MVQ 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 preparing adds melt blending in two roller mills; mixing temperature is 120-130 DEG C, and incorporation time is 8-15 minute, after blend evenly; cut out for lower; then transfer to compression molding on vulcanizing press, when sulfuration, temperature is 175 DEG C, and the time is 10-15 minute; pressure is 1.2MPa, can make the CABLE MATERIALS of needed DMC/SBR/MVQ composite insulation layer, DMC/SBR/MVQ composite protection layer.The strict forming temperature of controlling, excess Temperature, can cause product to decompose, and causes product surface coarse and occur a large amount of pores, and temperature is too low, and product can not plastify completely, is difficult to moulding, only at this temperature, the surface quality of guarantee product.
Beneficial effect: insulated compound halogen-free flame-retardant wire 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 DMC/SBR/MVQ composite insulation layer that is provided with, ceramic silicon rubber layer are outer, flame-retarding glass fiber filler yarn, DMC/SBR/MVQ composite protection layer, the multiple setting of polytetrafluoroethylene/polyimides composite bed, make the insulating properties, anti-flammability of this product far beyond like product; Be all Halogen material with the material of flame-retardant layer, making of the present invention is insulated compound halogen-free flame-retardant wire cable simultaneously;
2, electric wire of the present invention, be provided with screen, EVA adhesive layer, polytetrafluoroethylene/polyimides composite bed, uvioresistant layer, make the shield effectiveness of this product superior, signal propagates stable, have good 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, insulating barrier, DMC/SBR/MVQ composite protection layer, adopt DMC, SBR, MVQ to be that main material carries out compound, defect between fully complementary several persons, add other some auxiliary agents 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, insulating barrier, DMC/SBR/MVQ composite protection layer, adopting DMC/SBR/MVQ resin is main material, add the fire retardants such as expanded graphite, nickel oxide, APP and pentaerythrite simultaneously, make product when anti-flammability strengthens, also further strengthen thermal endurance, heat insulation, oxygen barrier, press down cigarette and anti-molten drop;
5, electric wire of the present invention, the colouring agent of selecting, 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 of using 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, and 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.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention;
In figure: 1-conductor, 2-screen, 3-DMC/SBR/MVQ composite insulation layer, 4-ceramic silicon rubber layer, 5-expanding layer, 6-flame-retarding glass fiber filler yarn, 7-inhibiting tape, 8-zone of swelling, 9-DMC/SBR/MVQ composite protection layer, 10-EVA adhesive layer, 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 obtaining under creative work prerequisite, belong to the scope of protection of the invention.
embodiment 1
A kind of insulated compound halogen-free flame-retardant wire cable, comprise 3 conductors 1, described conductor 1 outside is provided with screen 2, described screen 2 outsides are provided with DMC/SBR/MVQ composite insulation layer 3, described DMC/SBR/MVQ composite insulation layer 3 outsides are provided with ceramic silicon rubber layer 4, described ceramic silicon rubber layer 4 outsides are provided with expanding layer 5, between described conductor 1, be filled with flame-retarding glass fiber filler yarn 6, described whole conductor 1 and flame-retarding glass fiber filler yarn 6 outsides are provided with inhibiting tape 7, the screen 2 that described conductor 1 is outside coated with it, DMC/SBR/MVQ composite insulation layer 3, ceramic silicon rubber layer 4, expanding layer 5 forms an entirety, symmetrical is distributed in described inhibiting tape 7, described inhibiting tape 7 outsides are provided with zone of swelling 8, described zone of swelling 8 outsides are provided with DMC/SBR/MVQ composite protection layer 9, described DMC/SBR/MVQ composite protection layer 9 outsides are provided with EVA adhesive layer 10, described EVA adhesive layer 10 outsides are provided with polytetrafluoroethylene/polyimides composite bed 11, described polytetrafluoroethylene/polyimides composite bed 11 outsides are coated with uvioresistant layer 12, described DMC/SBR/MVQ composite insulation layer 3, DMC/SBR/MVQ composite protection layer 9 are all flame-resistant insulation type DMC/SBR/MVQ compound resin layers, are all mainly made up of the material of following mass percent:
MVQ:100 part;
SBR:25 part;
DMC:75 part;
EVA:8 part;
Expanded graphite: 1 part;
Nickel oxide: 4 parts;
The mass fraction of APP and pentaerythrite is the compound of 4:1: 20 parts;
Polypropylene fibre: 4 parts;
Antioxidant: bisphenol-A: 0.2 part;
Anti-impact modifier: methacrylate-butadiene one styrol copolymer: 3 parts;
Plasticizer: di-n-octyl sebacate: 8 parts;
Stabilizer: the mixture that calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are 1:2: 2 parts;
Phase flux: glycidyl methacrylate: 5 parts;
Lubricant: the mixture that paraffin oil and paraffin composition by weight ratio are 1:2: 3 parts;
Coupling agent: isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.3 part;
Antismoke agent: the mixture that mol ratio is 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 DMC/SBR/MVQ composite insulation layer 3 is 1.2mm.
The thickness of described ceramic silicon rubber layer 4 is 0.5mm.
Described expanding layer 5 is SBS rubber layer, and the thickness of described expanding layer 5 is 1mm.
Described zone of swelling 8 is SBS rubber layer, and the thickness of described zone of swelling 8 is 1mm.
The thickness of described DMC/SBR/MVQ composite protection layer 9 is 2.8mm.
The thickness of described EVA adhesive layer 10 is 0.3mm.
Described polytetrafluoroethylene/polyimides composite bed 11 comprises the polytetrafluoroethylene of mass fraction 45% and 55% polyimides, 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%, 0.2% bisphenol-A, 0.5% BASF B97 liquid hindered amine light stabilizer, all the other are acrylate, and the thickness of described uvioresistant layer 12 is 20 μ m.
A preparation method for insulated compound halogen-free flame-retardant wire cable, mainly comprises the CABLE MATERIALS preparation of DMC/SBR/MVQ composite insulation layer 3, DMC/SBR/MVQ composite protection layer 9, and two-layer CABLE MATERIALS used is consistent, and concrete preparation method is as follows:
Prepare burden by described formula; the material preparing adds melt blending in two roller mills; mixing temperature is 120 DEG C, and incorporation time is 8 minutes, after blend evenly; cut out for lower; then transfer to compression molding on vulcanizing press, when sulfuration, temperature is 175 DEG C, and the time is 10 minutes; pressure is 1.2MPa, can make the CABLE MATERIALS of needed DMC/SBR/MVQ composite insulation layer 3, DMC/SBR/MVQ composite protection layer 9.
embodiment 2
A kind of insulated compound halogen-free flame-retardant wire cable, comprise 3 conductors 1, described conductor 1 outside is provided with screen 2, described screen 2 outsides are provided with DMC/SBR/MVQ composite insulation layer 3, described DMC/SBR/MVQ composite insulation layer 3 outsides are provided with ceramic silicon rubber layer 4, described ceramic silicon rubber layer 4 outsides are provided with expanding layer 5, between described conductor 1, be filled with flame-retarding glass fiber filler yarn 6, described whole conductor 1 and flame-retarding glass fiber filler yarn 6 outsides are provided with inhibiting tape 7, the screen 2 that described conductor 1 is outside coated with it, DMC/SBR/MVQ composite insulation layer 3, ceramic silicon rubber layer 4, expanding layer 5 forms an entirety, symmetrical is distributed in described inhibiting tape 7, described inhibiting tape 7 outsides are provided with zone of swelling 8, described zone of swelling 8 outsides are provided with DMC/SBR/MVQ composite protection layer 9, described DMC/SBR/MVQ composite protection layer 9 outsides are provided with EVA adhesive layer 10, described EVA adhesive layer 10 outsides are provided with polytetrafluoroethylene/polyimides composite bed 11, described polytetrafluoroethylene/polyimides composite bed 11 outsides are coated with uvioresistant layer 12, described DMC/SBR/MVQ composite insulation layer 3, DMC/SBR/MVQ composite protection layer 9 are all flame-resistant insulation type DMC/SBR/MVQ compound resin layers, are all mainly made up of the material of following mass percent:
MVQ:100 part;
SBR:30 part;
DMC:78 part;
EVA:9 part;
Expanded graphite: 2 parts;
Nickel oxide: 4.5 parts;
The mass fraction of APP and pentaerythrite is the compound of 4:1: 23 parts;
Polypropylene fibre: 5 parts;
Antioxidant: bisphenol-A: 0.4 part;
Anti-impact modifier: methacrylate-butadiene one styrol copolymer: 4 parts;
Plasticizer: di-n-octyl sebacate: 9 parts;
Stabilizer: the mixture that calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are 1:2: 2.5 parts;
Phase flux: glycidyl methacrylate: 8 parts;
Lubricant: the mixture that paraffin oil and paraffin composition by weight ratio are 1:2: 3.5 parts;
Coupling agent: isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.45 part;
Antismoke agent: the mixture that mol ratio is 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 DMC/SBR/MVQ composite insulation layer 3 is 1.8mm.
The thickness of described ceramic silicon rubber layer 4 is 0.65mm.
Described expanding layer 5 is SBS rubber layer, and the thickness of described expanding layer 5 is 1.5mm.
Described zone of swelling 8 is SBS rubber layer, and the thickness of described zone of swelling 8 is 1.5mm.
The thickness of described DMC/SBR/MVQ composite protection layer 9 is 3mm.
The thickness of described EVA adhesive layer 10 is 0.4mm.
Described polytetrafluoroethylene/polyimides composite bed 11 comprises the polytetrafluoroethylene of mass fraction 45% and 55% polyimides, 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%, 0.25% bisphenol-A, 0.8% BASF B97 liquid hindered amine light stabilizer, all the other are acrylate, and the thickness of described uvioresistant layer 12 is 23 μ m.
A preparation method for insulated compound halogen-free flame-retardant wire cable, mainly comprises the CABLE MATERIALS preparation of DMC/SBR/MVQ composite insulation layer 3, DMC/SBR/MVQ composite protection layer 9, and two-layer CABLE MATERIALS used is consistent, and concrete preparation method is as follows:
Prepare burden by described formula; the material preparing adds melt blending in two roller mills; mixing temperature is 125 DEG C, and incorporation time is 11 minutes, after blend evenly; cut out for lower; then transfer to compression molding on vulcanizing press, when sulfuration, temperature is 175 DEG C, and the time is 12 minutes; pressure is 1.2MPa, can make the CABLE MATERIALS of needed DMC/SBR/MVQ composite insulation layer 3, DMC/SBR/MVQ composite protection layer 9.
embodiment 3
A kind of insulated compound halogen-free flame-retardant wire cable, comprise 3 conductors 1, described conductor 1 outside is provided with screen 2, described screen 2 outsides are provided with DMC/SBR/MVQ composite insulation layer 3, described DMC/SBR/MVQ composite insulation layer 3 outsides are provided with ceramic silicon rubber layer 4, described ceramic silicon rubber layer 4 outsides are provided with expanding layer 5, between described conductor 1, be filled with flame-retarding glass fiber filler yarn 6, described whole conductor 1 and flame-retarding glass fiber filler yarn 6 outsides are provided with inhibiting tape 7, the screen 2 that described conductor 1 is outside coated with it, DMC/SBR/MVQ composite insulation layer 3, ceramic silicon rubber layer 4, expanding layer 5 forms an entirety, symmetrical is distributed in described inhibiting tape 7, described inhibiting tape 7 outsides are provided with zone of swelling 8, described zone of swelling 8 outsides are provided with DMC/SBR/MVQ composite protection layer 9, described DMC/SBR/MVQ composite protection layer 9 outsides are provided with EVA adhesive layer 10, described EVA adhesive layer 10 outsides are provided with polytetrafluoroethylene/polyimides composite bed 11, described polytetrafluoroethylene/polyimides composite bed 11 outsides are coated with uvioresistant layer 12, described DMC/SBR/MVQ composite insulation layer 3, DMC/SBR/MVQ composite protection layer 9 are all flame-resistant insulation type DMC/SBR/MVQ compound resin layers, are all mainly made up of the material of following mass percent:
MVQ:100 part;
SBR:35 part;
DMC:80 part;
EVA:10 part;
Expanded graphite: 3 parts;
Nickel oxide: 5 parts;
The mass fraction of APP and pentaerythrite is the compound of 4:1: 25 parts;
Polypropylene fibre: 6 parts;
Antioxidant: bisphenol-A: 0.6 part;
Anti-impact modifier: methacrylate-butadiene one styrol copolymer: 5 parts;
Plasticizer: di-n-octyl sebacate: 10 parts;
Stabilizer: the mixture that calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are 1:2: 3 parts;
Phase flux: glycidyl methacrylate: 10 parts;
Lubricant: the mixture that paraffin oil and paraffin composition by weight ratio are 1:2: 4 parts;
Coupling agent: isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.6 part;
Antismoke agent: the mixture that mol ratio is 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 DMC/SBR/MVQ composite insulation layer 3 is 2.4mm.
The thickness of described ceramic silicon rubber layer 4 is 0.8mm.
Described expanding layer 5 is SBS rubber layer, and the thickness of described expanding layer 5 is 2mm.
Described zone of swelling 8 is SBS rubber layer, and the thickness of described zone of swelling 8 is 2mm.
The thickness of described DMC/SBR/MVQ composite protection layer 9 is 3.8mm.
The thickness of described EVA adhesive layer 10 is 0.5mm.
Described polytetrafluoroethylene/polyimides composite bed 11 comprises the polytetrafluoroethylene of mass fraction 45% and 55% polyimides, 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%, 0.3% bisphenol-A, 1% BASF B97 liquid hindered amine light stabilizer, all the other are acrylate, and the thickness of described uvioresistant layer 12 is 25 μ m.
A preparation method for insulated compound halogen-free flame-retardant wire cable, mainly comprises the CABLE MATERIALS preparation of DMC/SBR/MVQ composite insulation layer 3, DMC/SBR/MVQ composite protection layer 9, and two-layer CABLE MATERIALS used is consistent, and concrete preparation method is as follows:
Prepare burden by described formula; the material preparing adds melt blending in two roller mills; mixing temperature is 130 DEG C, and incorporation time is 15 minutes, after blend evenly; cut out for lower; then transfer to compression molding on vulcanizing press, when sulfuration, temperature is 175 DEG C, and the time is 15 minutes; pressure is 1.2MPa, can make the CABLE MATERIALS of needed DMC/SBR/MVQ composite insulation layer 3, DMC/SBR/MVQ composite protection layer 9.
The electric wire of above-described embodiment, the everyway comparative superiorities such as its insulating properties, anti-flammability, resistance to wear, mechanical property, heat-resisting quantity, impact resistance, in addition, polytetrafluoroethylene/polyimides composite bed, uvioresistant layer, make waterproof anti-corrosion superior performance, the radioresistance of electric wire superior, extended its useful life.In its anti-flammability of electric wire of the present invention, its oxygen index is greatly about 45 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 far longer than 36, this just illustrates that wire cable material of the present invention has splendid fire resistance), the UL94 testing out is V-0 level, aspect mechanical-physical, its hot strength is at >18MPa, elongation at break >180%, be up to 500% left and right, its mechanical-physical is superior as can be seen here, also there is waterproof anti-corrosion well simultaneously.
The material simultaneously using in electric wire of the present invention is Halogen material, and therefore electric wire of the present invention is a kind of insulated compound halogen-free flame-retardant wire cable.
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. an insulated compound halogen-free flame-retardant wire 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 DMC/SBR/MVQ composite insulation layer (3), described DMC/SBR/MVQ composite insulation layer (3) outside is provided with ceramic silicon rubber layer (4), described ceramic silicon rubber layer (4) outside is provided with expanding layer (5), between described conductor (1), be filled with flame-retarding glass fiber filler yarn (6), 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 zone of swelling (8), described zone of swelling (8) outside is provided with DMC/SBR/MVQ composite protection layer (9), described DMC/SBR/MVQ composite protection layer (9) outside is provided with EVA adhesive layer (10), described EVA adhesive layer (10) outside is provided with polytetrafluoroethylene/polyimides composite bed (11), described polytetrafluoroethylene/polyimides composite bed (11) outside is coated with uvioresistant layer (12), described DMC/SBR/MVQ composite insulation layer (3), DMC/SBR/MVQ composite protection layer (9) are all flame-resistant insulation type DMC/SBR/MVQ compound resin layers, are all mainly made up of the material of following mass percent:
MVQ:100 part;
SBR:25-35 part;
DMC:75-80 part;
EVA:8-10 part;
Expanded graphite: 1-3 part;
Nickel oxide: 4-5 part;
The mass fraction of APP and pentaerythrite is the compound of 4:1: 20-25 part;
Polypropylene fibre: 4-6 part;
Antioxidant: 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. insulated compound halogen-free flame-retardant wire cable according to claim 1, is characterized in that: described antioxidant is bisphenol-A; Described anti-impact modifier is methacrylate-butadiene one styrol copolymer; Described plasticizer is di-n-octyl sebacate; Described stabilizer is that stabilizer is the mixture that calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are 1:2; Described phase flux is glycidyl methacrylate; Described lubricant is the mixture that paraffin oil and paraffin composition by weight ratio are 1:2; Described coupling agent is titanate coupling agent; Described antismoke agent is that mol ratio is the mixture of 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. insulated compound halogen-free flame-retardant wire cable according to claim 1, is characterized in that: the thickness of described DMC/SBR/MVQ composite insulation layer (3) is 1.2-2.4mm.
4. insulated compound halogen-free flame-retardant wire 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. insulated compound halogen-free flame-retardant wire cable according to claim 1, is characterized in that: described expanding layer (5) is SBS rubber layer, and the thickness of described expanding layer (5) is 1-2mm; Described zone of swelling (8) is SBS rubber layer, and the thickness of described zone of swelling (8) is 1-2mm.
6. insulated compound halogen-free flame-retardant wire cable according to claim 1, is characterized in that: the thickness of described DMC/SBR/MVQ composite protection layer (9) is 2.8-3.8mm.
7. insulated compound halogen-free flame-retardant wire cable according to claim 1, is characterized in that: the thickness of described EVA adhesive layer (10) is 0.3-0.5mm; Described polytetrafluoroethylene/polyimides composite bed (11) comprises the polytetrafluoroethylene of mass fraction 45% and 55% polyimides, and the thickness of described polytetrafluoroethylene/polyimides composite bed (11) is 0.4-0.6mm.
8. insulated compound halogen-free flame-retardant wire 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 μ m.
9. insulated compound halogen-free flame-retardant wire 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), DMC/SBR/MVQ composite insulation layer (3), ceramic silicon rubber layer outer (4), expanding layer (5), and symmetrical is distributed in described inhibiting tape (7).
10. the preparation method of an insulated compound halogen-free flame-retardant wire cable as claimed in claim 1; it is characterized in that: mainly comprise the CABLE MATERIALS preparation of DMC/SBR/MVQ composite insulation layer (3), DMC/SBR/MVQ 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 preparing adds melt blending in two roller mills; mixing temperature is 120-130 DEG C, and incorporation time is 8-15 minute, after blend evenly; cut out for lower; then transfer to compression molding on vulcanizing press, when sulfuration, temperature is 175 DEG C, and the time is 10-15 minute; pressure is 1.2MPa, can make the CABLE MATERIALS of needed DMC/SBR/MVQ composite insulation layer (3), DMC/SBR/MVQ composite protection layer (9).
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| CN105968821A (en) * | 2016-06-20 | 2016-09-28 | 安徽海容电缆有限公司 | Wear-resisting and low-temperature-resisting cable material |
| CN106189247A (en) * | 2016-08-30 | 2016-12-07 | 中天科技装备电缆有限公司 | A kind of track traffic silicone rubber for cable and silicone rubber intellectuality preparation method thereof |
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| 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 |
| CN113005585A (en) * | 2021-03-08 | 2021-06-22 | 苏州大学 | Covered yarn spinning device and preparation method of flame-retardant and anti-electric arc covered yarn |
| CN113689976A (en) * | 2021-08-18 | 2021-11-23 | 晶锋集团股份有限公司 | Circulating low-temperature flame-retardant high-voltage power cable material and preparation method thereof |
| CN116120751A (en) * | 2023-04-13 | 2023-05-16 | 江苏欧廷高分子材料有限公司 | Weather-resistant torsion-resistant cable sheath material for wind power generation and preparation method thereof |
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