CN101404189A - Fast ceramic flame-resistant cable and its production method - Google Patents
Fast ceramic flame-resistant cable and its production method Download PDFInfo
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- CN101404189A CN101404189A CNA2008102361761A CN200810236176A CN101404189A CN 101404189 A CN101404189 A CN 101404189A CN A2008102361761 A CNA2008102361761 A CN A2008102361761A CN 200810236176 A CN200810236176 A CN 200810236176A CN 101404189 A CN101404189 A CN 101404189A
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- porcelain filling
- parts
- resistant cable
- antioxidant
- weight
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- 239000000919 ceramic Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title description 5
- -1 polyethylene Polymers 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 15
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 239000007822 coupling agent Substances 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 239000004698 Polyethylene Substances 0.000 claims abstract description 7
- 229920000573 polyethylene Polymers 0.000 claims abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 229910052573 porcelain Inorganic materials 0.000 claims description 34
- 238000011049 filling Methods 0.000 claims description 33
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 13
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 229920000877 Melamine resin Polymers 0.000 claims description 7
- 235000021355 Stearic acid Nutrition 0.000 claims description 7
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 7
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 6
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 4
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 claims description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 3
- 206010013786 Dry skin Diseases 0.000 claims description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000005642 Oleic acid Substances 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 2
- ZYAASQNKCWTPKI-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]propan-1-amine Chemical compound CO[Si](C)(OC)CCCN ZYAASQNKCWTPKI-UHFFFAOYSA-N 0.000 claims description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- HTDKEJXHILZNPP-UHFFFAOYSA-N dioctyl hydrogen phosphate Chemical compound CCCCCCCCOP(O)(=O)OCCCCCCCC HTDKEJXHILZNPP-UHFFFAOYSA-N 0.000 claims description 2
- QEWYKACRFQMRMB-UHFFFAOYSA-N monofluoroacetic acid Natural products OC(=O)CF QEWYKACRFQMRMB-UHFFFAOYSA-N 0.000 claims description 2
- VNBLTKHUCJLFSB-UHFFFAOYSA-N n-(trimethoxysilylmethyl)aniline Chemical compound CO[Si](OC)(OC)CNC1=CC=CC=C1 VNBLTKHUCJLFSB-UHFFFAOYSA-N 0.000 claims description 2
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 16
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract 2
- 230000006399 behavior Effects 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000011056 performance test Methods 0.000 description 7
- 235000012254 magnesium hydroxide Nutrition 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000007974 melamines Chemical class 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a quickly vitrified fireproof cable material and a preparation method thereof. According to the weight parts, the raw material of the ceramic fireproof cable material comprises 60-70 of ethane-vinyl acetate copolymer, 30-40 of polyethylene, 50-100 of ceramic filler, 0.5-2.5 of coupling agent, 80-100 of flame retardant A, 10-20 of flame retardant B, 1-2 of lubricant and 1-3 of antioxidant. The preparation process of the cable material comprises the steps as follows: surface disposing of the ceramic filler, compounding, mixing, granulating, drying and the like. The fireproof cable material is polymer-based composite material and has the same behaviors (namely excellent processability and convenient construction) with normal extrusion cable insulation material under normal environment, and can be vitrified within 10 minutes under the temperature of 750 DEG C or higher; the ceramics can ensure that the normal running time of the line under the temperature of 750-950 DEG C for more than 90min.
Description
Technical field
The present invention relates to a kind of CABLE MATERIALS, more specifically to a kind of fast ceramic flame-resistant cable.
Background technology
Along with society, economy and science and technology development, no matter electric wire is in daily life, still the application in high-tech areas such as space flight, military affairs all gets more and more.The combustible that modern building is used is more and more, particularly the intensive places of personnel such as some large-scale luxurious public places of entertainment, station.If these places are in breaking out of fire, Circuits System breaks down simultaneously, and so on-the-spot all personnel's the person and property safety all will face the bigger danger side of body, if combustible is emitted a large amount of smog, particularly toxic gas also will cause the generation of secondary disaster.
When, skyscraper large-scale at some or place breaking out of fire, fire causes that circuit breaks down, and makes alarm, automatically-controlled door, elevator, spray system, various signal conveys system and other emergency rescue equipment quit work, and causes the Field Force to be difficult to escape.Moreover, fault also can hinder fire fighting and lifesaving personnel's work.And if electric power system and signal system can normally transmit electric power, carry various controls and alarm signal, with people's escape, report to the police automatically, the use of startup, rescue and the emergency set of fire protection equipment provides valuable time, disaster relief rescue work can be carried out smoothly, thereby the loss that fire causes is dropped to bottom line.Therefore guarantee that the normal operation of Circuits System more and more was subjected to people's attention when fire took place.
Chinese patent CN1095181 adopts mica tape and does not fire silicon coating and makes and have high fire-resistant, high temperature resistant and high flame resistant cable low smoke and zero halogen when burning.Chinese patent CN101169993 adopts refractory inorganic fiber heat-barrier material and silicone-based elastomer composite material to make the insulating refractory cable.Chinese patent CN1625786 adopts ethylene-vinyl acetate copolymer, coloured glaze material to make the fire-resisting cable that high temperature becomes carbon with inert compound.Chinese patent CN1480958 adopts the mineral matter expanding material to make the insulating refractory cable.Chinese patent CN1710670 adopts mica tape, metallic sheath and inorganic refractory swelling material to make can be at the fire-resisting cable of 800 ℃ of medium-term and long-term operations of following temperature environment.
The normal operation of Circuits System when though above-mentioned fire-resisting cable can guarantee the fire generation, its complex manufacturing, cost height, constructional difficulties and fragile.
Summary of the invention
The objective of the invention is in order to have solved prior art complex manufacturing, cost height, constructional difficulties and deficiency such as fragile and a kind of fast ceramic flame-resistant cable is provided.
The present invention is achieved by the following technical solutions:
A kind of fast ceramic flame-resistant cable is characterized in that the weight portion of described fast ceramic flame-resistant cable raw material components and each component is respectively:
Ethylene-vinyl acetate copolymer 60～70
Polyethylene 30～40
Become porcelain filling 50～100
Coupling agent 0.5～2.5
Fire retardant A 80～100
Fire retardant B 10～20
Lubricant 1～2
Antioxidant 1～3
Described one-tenth porcelain filling is a kind of or any several mixture in glass dust, ceramic powder, glass fibre, talcum powder, mica powder or the clay.
Above-mentioned one-tenth porcelain filling preferably becomes porcelain filling to become porcelain filling to form with the low softening point component by the high softening-point component, wherein the high softening-point component become porcelain filling softening point at 800～1500 ℃, the low softening point component becomes the softening point of porcelain filling at 300～500 ℃; Wherein, a kind of low softening point component becomes porcelain filling to become porcelain filling to be used with of the same race and high softening-point component not of the same race, the high softening-point component becomes porcelain filling also can become porcelain filling to be used with of the same race and low softening point component not of the same race, the high softening-point component becomes the porcelain filling consumption to be into 40%～70% of porcelain filling total weight, and the low softening point component becomes the porcelain filling consumption to be into 30%～60% of porcelain filling total weight.
Described coupling agent is silane coupler or titanate coupling agent.The preferred silane coupling agent is 3-metering system acyloxy propyl trimethoxy silicane, gamma-aminopropyl-triethoxy-silane, tetraethoxysilane, trimethoxy silane, anilinomethyl trimethoxy silane, methyl silicate, γ-aminopropyl methyl dimethoxysilane or gamma-methyl allyl acyloxypropyl trimethoxysilane; Described titanate coupling agent is two (dioctyl phosphate) titanate esters of tetrabutyl titanate, isopropyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate esters, isopropoxy three (dioctylphosphoric acid ester) titanate esters or fluoroacetic acid ester.
Wherein said polyethylene is a LLDPE, and melt flow rate (MFR) is 1.0～4.0g/10min; Described fire retardant A is at least a kind of in magnesium hydroxide or the aluminium hydroxide.Described fire retardant B is at least a kind of in melamine or the Firebrake ZB.Described lubricant is a kind of in stearic acid, zinc stearate or the calcium stearate.Described antioxidant is a kind of in antioxidant 1010 or the antioxidant 300.
The present invention also provides the preparation method of above-mentioned fast ceramic flame-resistant cable, its concrete steps are: at first 50～100 weight portions are become porcelain filling and 0.5～2.5 weight portion coupling agent to add in the high-speed mixer, 60～70 ℃, behind high-speed mixing 10～15min, make surface modification and become porcelain filling, discharging is standby; The one-tenth porcelain filling of the surface modification that successively 60～70 parts by weight of ethylene-vinyl acetate co-polymer, 30～40 weight account polyethylenes, 1～3 weight portion antioxidant, 80～100 parts by weight of flame retardant A, 10～20 parts by weight of flame retardant B, above-mentioned steps is made, 1～2 weight portion lubricant add in the high-speed mixer again, mixed at room temperature 2～3min, the twin-screw granulation, cold cut, 70～80 ℃ of dryings are 0.5～2 hour then, and weighing then, packing promptly get product.Wherein, preferred each section of extruder temperature is followed successively by: 120～130 ℃ in a district, 130～140 ℃ in two districts, 140～150 ℃ in three districts, 150～160 ℃ of head temperatures.
Beneficial effect:
Fast ceramic flame-resistant cable of the present invention at high temperature has the characteristics of fast ceramicization having good processing properties under the environment usually, can guarantee the normal operation of circuit.Fast ceramic flame-resistant cable of the present invention can adopt current production devices and production method to produce, and technology is simple, advantage such as easy construction, cost are low, pollution-free.
Fast ceramic flame-resistant cable of the present invention can form fine and close pottery product fast in 750 ℃～950 ℃ scopes, formed potteryization product has good thermal-shock resistance, high-temperature insulating quality, compactness, certain high temperature intensity, can guarantee circuit operate as normal under the high temperature.
Except that being used as ceramic flame-resistant cable, this composite material can also be applied to traffic transport industry (comprising land, sea, air), building trade, and the protection of flammable materials, the application of military aspect waits each field, has great economic benefit and social benefit.
Embodiment
Below by specific embodiment explanation the present invention, but the present invention not merely is defined in these embodiment.
Used LLDPE (DJM1820) in example, melt flow rate (MFR) is 2.0g/10min, LLDPE (183N), melt flow rate (MFR) is 3.0g/10min; High softening-point glass dust (840 ℃ GA) are the commercially available E glass fibre that grinds; Used glass fibre (840 ℃ GB) are commercially available E glass fibre; Low softening point glass dust (400 ℃ GC) are commercially available glass dust; Commercially available cable level talcum powder (HS).Magnesium hydroxide (MH), aluminium hydroxide, melamine (MA), Firebrake ZB (ZB) are commercially available and have carried out surface treatment.
Embodiment 1
A kind of fast ceramic flame-resistant cable, its raw material ratio is as follows:
60 parts of ethylene-vinyl acetate copolymers
40 parts of LLDPEs (DJM1820)
26 parts of GA
39 parts of GC
0.7 part of 3-metering system acyloxy propyl trimethoxy silicane
80 parts of magnesium hydroxides
20 parts of melamines
1 part of stearic acid
1 part of antioxidant 1010
GA, GC and 3-metering system acyloxy propyl trimethoxy silicane are added in the high-speed mixer, and 60 ℃, discharging is standby behind the mixing 10min.Successively with ethylene-vinyl acetate copolymer and LLDPE, antioxidant, fire retardant, become porcelain filling, lubricant to add in the high-speed mixer, normal temperature mixes 2～3min, use the twin-screw granulation then, each section of extruder temperature is followed successively by: 125 ℃ in a district, 135 ℃ in two districts, 155 ℃ of 145 ℃ of head temperature die head temperatures in three districts.Cold cut after the granulation, 70～80 ℃ of dryings are 1 hour then, weighing then, packing.
The performance test results sees Table 1.
Embodiment 2
A kind of fast ceramic flame-resistant cable, its raw material ratio is as follows:
65 parts of ethylene-vinyl acetate copolymers
35 parts of LLDPEs (DJM1820)
40 parts of GA
40 parts of GC
1.2 parts of isopropyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate esters
90 parts of magnesium hydroxides
15 parts of melamines
1.5 parts of stearic acid
1.5 parts of antioxidant 300s
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 1, and The performance test results sees Table 1.
Embodiment 3
A kind of fast ceramic flame-resistant cable, its raw material ratio is as follows:
70 parts of ethylene-vinyl acetate copolymers
30 parts of LLDPEs (DJM1820)
54 parts of GA
36 parts of GC
1.2 parts of gamma-methyl allyl acyloxypropyl trimethoxysilanes
95 parts of magnesium hydroxides
10 parts of melamines
1.8 parts of zinc stearates
2 parts of antioxidant 300s
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 1, and The performance test results sees Table 1.
Embodiment 4
A kind of fast ceramic flame-resistant cable, its raw material ratio is as follows:
60 parts of ethylene-vinyl acetate copolymers
40 parts of LLDPEs (DJM1820)
26 parts of GB
39 parts of GC
0.7 part of gamma-methyl allyl acyloxypropyl trimethoxysilane
80 parts in aluminium hydroxide
20 parts of Firebrake ZBs
1 part of stearic acid
1 part of antioxidant 1010
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 1, and The performance test results sees Table 1.
Embodiment 5
A kind of fast ceramic flame-resistant cable, its raw material ratio is as follows:
65 parts of ethylene-vinyl acetate copolymers
35 parts of LLDPEs (DJM1820)
40 parts of GA
40 parts of GC
1.2 parts of 3-metering system acyloxy propyl trimethoxy silicanes
90 parts in aluminium hydroxide
15 parts of Firebrake ZBs
1.5 parts of calcium stearates
1.5 parts of antioxidant 300s
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 1, and The performance test results sees Table 1.
Embodiment 6
A kind of fast ceramic flame-resistant cable, its raw material ratio is as follows:
70 parts of ethylene-vinyl acetate copolymers
30 parts of LLDPEs (DJM1820)
54 parts of GB
36 parts of GC
1.2 parts of isopropoxy three (dioctylphosphoric acid ester) titanate esters
95 parts in aluminium hydroxide
10 parts of Firebrake ZBs
1.8 parts of stearic acid
2 parts of antioxidant 1010s
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 1, and The performance test results sees Table 1.
Embodiment 7
A kind of fast ceramic flame-resistant cable, its raw material ratio is as follows:
70 parts of ethylene-vinyl acetate copolymers
30 parts of LLDPEs (183N)
54 parts of HS
36 parts of GC
1.2 parts of isopropoxy three (dioctylphosphoric acid ester) titanate esters
90 parts in aluminium hydroxide
15 parts of Firebrake ZBs
1.8 parts of stearic acid
1.5 parts of antioxidant 1010s
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 1, and The performance test results sees Table 1.
Table 1
Adopt extrusion molding, at 1.5mm
2The copper core on extrude the thick refractory insulating layer of 0.7mm, carry out testing vertical flammability according to 18380.2 pairs of cables of standard GB/T, the results are shown in Table 2.As can be seen, refractory insulating layer forms the porcelain layer of surface compact in conductive line surfaces.
Table 2
| Sample | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| The result | Compacted zone | Compacted zone | Compacted zone | Compacted zone | Compacted zone | Compacted zone | Compacted zone |
Claims (8)
1, a kind of fast ceramic flame-resistant cable is characterized in that the weight portion of its raw material components and each component is respectively:
Ethylene-vinyl acetate copolymer 60～70
Polyethylene 30～40
Become porcelain filling 50～100
Coupling agent 0.5～2.5
Fire retardant A 80～100
Fire retardant B 10～20
Lubricant 1～2
Antioxidant 1～3.
2, fast ceramic flame-resistant cable according to claim 1 is characterized in that described one-tenth porcelain filling is a kind of or any several mixture in glass dust, ceramic powder, glass fibre, talcum powder, mica powder or the clay.
3, fast ceramic flame-resistant cable according to claim 2 is characterized in that described one-tenth porcelain filling becomes porcelain filling to become porcelain filling to form with the low softening point component by the high softening-point component; Wherein the high softening-point component become porcelain filling softening point at 800～1500 ℃, the low softening point component becomes the softening point of porcelain filling at 300～500 ℃; The high softening-point component becomes the porcelain filling consumption to be into 40%～70% of porcelain filling total weight, and the low softening point component becomes the porcelain filling consumption to be into 30%～60% of porcelain filling total weight.
4, fast ceramic flame-resistant cable according to claim 1 is characterized in that described coupling agent is silane coupler or titanate coupling agent.
5, fast ceramic flame-resistant cable according to claim 4 is characterized in that described silane coupler is 3-metering system acyloxy propyl trimethoxy silicane, gamma-aminopropyl-triethoxy-silane, tetraethoxysilane, trimethoxy silane, anilinomethyl trimethoxy silane, methyl silicate, γ-aminopropyl methyl dimethoxysilane or gamma-methyl allyl acyloxypropyl trimethoxysilane; Described titanate coupling agent is two (dioctyl phosphate) titanate esters of tetrabutyl titanate, isopropyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate esters, isopropoxy three (dioctylphosphoric acid ester) titanate esters or fluoroacetic acid ester.
6, fast ceramic flame-resistant cable according to claim 1 is characterized in that described polyethylene is a LLDPE, and melt flow rate (MFR) is 1.0～4.0g/10min; Described fire retardant A is at least a kind of in magnesium hydroxide, the aluminium hydroxide; Described fire retardant B is at least a kind of in melamine, the Firebrake ZB; Described lubricant is stearic acid, zinc stearate or calcium stearate; Described antioxidant is antioxidant 1010 or antioxidant 300.
7, a kind of preparation method of fast ceramic flame-resistant cable as claimed in claim 1, its concrete steps are: at first 50～100 weight portions are become porcelain filling and 0.5～2.5 weight portion coupling agent to add in the high-speed mixer, 60～70 ℃, behind high-speed mixing 10～15min, the one-tenth porcelain filling that gets surface modification is standby; Successively become porcelain filling, 1～2 weight portion lubricant of 60～70 parts by weight of ethylene-vinyl acetate co-polymer with 30～40 weight account polyethylenes, 1～3 weight portion antioxidant, 80～100 parts by weight of flame retardant A, 10～20 parts by weight of flame retardant B, surface modification added in the high-speed mixer again, mix 2～3min, the twin-screw granulation, cold cut, 70～80 ℃ of dryings are 0.5～2 hour then, make product.
8, method according to claim 7 is characterized in that each section of twin-screw granulating extruder temperature is followed successively by: 120～130 ℃ in a district, 130～140 ℃ in two districts, 140～150 ℃ in three districts; Head temperature is 150～160 ℃.
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Effective date of registration: 20161202 Address after: 471899, Henan, Luoyang Province Chengguan Town, Xin'an County Village Patentee after: LUOYANG ZHONGCHAO NEW MATERIAL SHARES CO., LTD. Address before: 210009 Zhongshan North Road, Jiangsu, No. 200, Patentee before: Nanjing University of Technology |