CN104098900A - Flame-retardant heat-resisting ageing-resistant cable sheath material - Google Patents
Flame-retardant heat-resisting ageing-resistant cable sheath material Download PDFInfo
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- CN104098900A CN104098900A CN201410324357.5A CN201410324357A CN104098900A CN 104098900 A CN104098900 A CN 104098900A CN 201410324357 A CN201410324357 A CN 201410324357A CN 104098900 A CN104098900 A CN 104098900A
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- 239000000463 material Substances 0.000 title claims abstract description 30
- 230000032683 aging Effects 0.000 title claims abstract description 18
- 239000003063 flame retardant Substances 0.000 title abstract description 8
- 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 title abstract description 6
- -1 polybutylene terephthalate Polymers 0.000 claims abstract description 34
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 26
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003365 glass fiber Substances 0.000 claims abstract description 23
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000004593 Epoxy Substances 0.000 claims abstract description 17
- 229920000573 polyethylene Polymers 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 17
- 239000003549 soybean oil Substances 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 14
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 24
- 239000000391 magnesium silicate Substances 0.000 claims description 22
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 18
- 235000019792 magnesium silicate Nutrition 0.000 claims description 18
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 17
- 239000010440 gypsum Substances 0.000 claims description 17
- 229910052602 gypsum Inorganic materials 0.000 claims description 17
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 16
- 125000001174 sulfone group Chemical group 0.000 claims description 16
- RILNHWQDVBZBIR-UHFFFAOYSA-N cyanamide;phosphoric acid Chemical compound NC#N.OP(O)(O)=O RILNHWQDVBZBIR-UHFFFAOYSA-N 0.000 claims description 15
- 229940075507 glyceryl monostearate Drugs 0.000 claims description 13
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims description 13
- 229920000491 Polyphenylsulfone Polymers 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000002929 anti-fatigue Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 abstract 2
- 229920012287 polyphenylene sulfone Polymers 0.000 abstract 2
- 239000010425 asbestos Substances 0.000 abstract 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 abstract 1
- YQEMORVAKMFKLG-UHFFFAOYSA-N glycerine monostearate Natural products CCCCCCCCCCCCCCCCCC(=O)OC(CO)CO YQEMORVAKMFKLG-UHFFFAOYSA-N 0.000 abstract 1
- SVUQHVRAGMNPLW-UHFFFAOYSA-N glycerol monostearate Natural products CCCCCCCCCCCCCCCCC(=O)OCC(O)CO SVUQHVRAGMNPLW-UHFFFAOYSA-N 0.000 abstract 1
- 229910052901 montmorillonite Inorganic materials 0.000 abstract 1
- XFZRQAZGUOTJCS-UHFFFAOYSA-N phosphoric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OP(O)(O)=O.NC1=NC(N)=NC(N)=N1 XFZRQAZGUOTJCS-UHFFFAOYSA-N 0.000 abstract 1
- 239000011505 plaster Substances 0.000 abstract 1
- 229910052895 riebeckite Inorganic materials 0.000 abstract 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 abstract 1
- 235000012254 magnesium hydroxide Nutrition 0.000 description 14
- 235000012243 magnesium silicates Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a flame-retardant heat-resisting ageing-resistant cable sheath material. The cable sheath material comprises the following raw materials in parts by weight: 5-8 parts of polybutylene terephthalate (PBT), 20-25 parts of polyphenylene sulfone (PPSU) resin, 15-20 parts of polyethylene (PE), 10-14 parts of chopped glass fiber, 3-5 parts of asbestos fiber, 1-1.5 parts of alumina whiskers, 7-9 parts of montmorillonite, 10-12 parts of diatomite, 15-17 parts of plaster, 10-11 parts of magnesium hydroxide, 3-5 parts of melamine phosphate, 1-3 parts of zinc stearate, 0.7-1.3 parts of glycerol monostearate, 1.5-1.9 parts of epoxy soybean oil, and 2-3 parts of a silane coupling agent. The cable sheath material disclosed by the invention has the advantages of excellent heat resistance, excellent ageing resistance, high tensile strength, high shock strength and excellent flame-retardant property.
Description
Technical field
The present invention relates to cable sheath material technical field, relate in particular to the ageing-resistant cable sheath material of a kind of flame-proof heat-resistant.
Background technology
Along with expanding economy, the market of cable is wide, promoting the progress of CABLE MATERIALS production technology, CABLE MATERIALS is not only of many uses, and its performance index are had to special requirement, such as insulativity, tensile strength, use temperature, the indexs such as flame retardant properties all have strict requirement, constantly improve the performance of CABLE MATERIALS, it is the active demand of economy and social development, there is poor fire more in traditional CABLE MATERIALS, high temperature is yielding, poor mechanical property, the problems such as work-ing life is short, bring a lot of inconvenience to actual use, even threaten people's the security of the lives and property, therefore, be badly in need of changing original CABLE MATERIALS formula, improve material property, with the various demand in appropriate cable market.
Summary of the invention
The technical problem that basic background technology exists, the present invention proposes the ageing-resistant cable sheath material of a kind of flame-proof heat-resistant, has excellent heat-resisting ageing-resisting performance, and tensile strength and excellent in cushion effect, and flame retardant properties is outstanding.
The ageing-resistant cable sheath material of a kind of flame-proof heat-resistant that the present invention proposes, its raw material comprises by weight: polybutylene terephthalate PBT5-8 part, polyphenylene sulphone resin PPSU20-25 part, polythene PE 15-20 part, short glass fiber 10-14 part, fibrous magnesium silicate 3-5 part, alumina whisker 1-1.5 part, polynite 7-9 part, diatomite 10-12 part, gypsum 15-17 part, magnesium hydroxide 10-11 part, trimeric cyanamide phosphoric acid ester 3-5 part, Zinic stearas 1-3 part, glyceryl monostearate 0.7-1.3 part, epoxy soybean oil 1.5-1.9 part, silane coupling agent 2-3 part,
In preparation process, polybutylene terephthalate PBT, polyphenylene sulphone resin PPSU and polythene PE are added to the high speed mixer with heating function, temperature is risen to 210-220 ℃, stirring velocity is 800-900rpm, stir after 30-40min, then polynite, diatomite, gypsum, magnesium hydroxide, trimeric cyanamide phosphoric acid ester, Zinic stearas, glyceryl monostearate and epoxy soybean oil are added and in above-mentioned high speed mixer, stir 2-2.4h and obtain mixture; Short glass fiber, fibrous magnesium silicate and alumina whisker are added and in silane coupling agent, mix 40-45min; Mixture is put into twin screw extruder, short glass fiber, fibrous magnesium silicate, alumina whisker and silane coupling agent are added wherein from the side spout of twin screw extruder, carry out blend, extrude the cable sheath material that obtains corrosion-resistant antifatigue, wherein said twin screw extruder is divided into 3 sections, from charging opening, start each section of temperature and be followed successively by 220-240 ℃, 250-260 ℃, 265-270 ℃, extrusion temperature is 260-270 ℃, screw speed is 65-70rpm, and extrusion pressure is 55-65MPa.
Preferably, described gypsum is beta-type semi-hydrated gypsum.
Preferably, described silane coupling agent is silane coupling agent KH792.
Preferably, its raw material comprises by weight: polybutylene terephthalate PBT6-7 part, polyphenylene sulphone resin PPSU22-24 part, polythene PE 17-19 part, short glass fiber 11-12 part, fibrous magnesium silicate 3.6-4.2 part, alumina whisker 1.3-1.4 part, polynite 7.8-8.4 part, diatomite 10.9-11.2 part, gypsum 16.2-16.7 part, magnesium hydroxide 10.5-10.8 part, trimeric cyanamide phosphoric acid ester 3.8-4.5 part, Zinic stearas 1.7-2.3 part, glyceryl monostearate 0.9-1.1 part, epoxy soybean oil 1.7-1.8 part, silane coupling agent 2.2-2.9 part.
Preferably, described twin screw extruder is divided into 3 sections, starts each section of temperature be followed successively by 225-235 ℃, 253-257 ℃, 266-268 ℃ from charging opening, and extrusion temperature is 265-269 ℃, and screw speed is 67-69rpm, and extrusion pressure is 57-62MPa.
The present invention adopts polybutylene terephthalate PBT, polyphenylene sulphone resin PPSU and polythene PE are major ingredient, due to polybutylene terephthalate, PBT has high mechanical strength, resistance to fatigue, and dimensional stabilizing is good, heat-resistant aging is excellent, be easy to fire-retardant, and polyphenylene sulphone resin PPSU is corrosion-resistant, rigidity and good toughness, heatproof, heat-resisting oxidation, creep-resistant property is good, nontoxic, insulativity and self-extinguishing are good, and easy forming process, make the present invention possess excellent heat-resisting ageing-resisting performance, and creep-resistant property is good, after processing, mechanical property is excellent, also there is good flame retardant properties, add short glass fiber, fibrous magnesium silicate and alumina whisker, significantly improve tensile strength of the present invention and resistance to impact shock, can make tensile strength of the present invention reach 6000MPa, adopt before mixing extrusion the silane coupling agent to carry out modification to short glass fiber, fibrous magnesium silicate, alumina whisker, improved the consistency between three kinds of fibers and major ingredient, add polynite, diatomite, gypsum and magnesium hydroxide, improved wear resisting property of the present invention, be aided with Zinic stearas, glyceryl monostearate and epoxy soybean oil as dispersion agent, strengthen inorganic high-abrasive material dispersed in major ingredient, and Zinic stearas and epoxy soybean oil are in the present invention also as stablizer, further improve ageing-resistant performance of the present invention, magnesium hydroxide and trimeric cyanamide phosphoric acid ester are as fire retardant, and wherein magnesium hydroxide is heated and can be decomposed into magnesium oxide and water, have not only improved flame-proof heat-resistant performance of the present invention, can also effectively suppress the smog producing in combustion processes.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is elaborated.
Embodiment 1
The ageing-resistant cable sheath material of a kind of flame-proof heat-resistant that the present invention proposes, its raw material comprises by weight: polybutylene terephthalate PBT5 part, polyphenylene sulphone resin PPSU25 part, 15 parts of polythene PEs, 14 parts of short glass fibers, 3 parts of fibrous magnesium silicates, 1.5 parts of alumina whiskers, 7 parts of polynites, 12 parts, diatomite, 15 parts of beta-type semi-hydrated gypsums, 11 parts of magnesium hydroxides, 3 parts of trimeric cyanamide phosphoric acid ester, 3 parts of Zinic stearass, 0.7 part of glyceryl monostearate, 1.9 parts of epoxy soybean oils, 2 parts of silane coupling agents;
In preparation process, polybutylene terephthalate PBT, polyphenylene sulphone resin PPSU and polythene PE are added to the high speed mixer with heating function, temperature is risen to 213 ℃, stirring velocity is 890rpm, stir after 34min, then polynite, diatomite, beta-type semi-hydrated gypsum, magnesium hydroxide, trimeric cyanamide phosphoric acid ester, Zinic stearas, glyceryl monostearate and epoxy soybean oil are added and in above-mentioned high speed mixer, stir 2.3h and obtain mixture; Short glass fiber, fibrous magnesium silicate and alumina whisker are added and in silane coupling agent, mix 41min; Mixture is put into twin screw extruder, short glass fiber, fibrous magnesium silicate, alumina whisker and silane coupling agent are added wherein from the side spout of twin screw extruder, carry out blend, extrude the cable sheath material that obtains corrosion-resistant antifatigue, wherein said twin screw extruder is divided into 3 sections, from charging opening, start each section of temperature and be followed successively by 235 ℃, 253 ℃, 268 ℃, extrusion temperature is 265 ℃, and screw speed is 69rpm, and extrusion pressure is 57MPa.
Embodiment 2
The ageing-resistant cable sheath material of a kind of flame-proof heat-resistant that the present invention proposes, its raw material comprises by weight: polybutylene terephthalate PBT6 part, polyphenylene sulphone resin PPSU24 part, 17 parts of polythene PEs, 12 parts of short glass fibers, 3.6 parts of fibrous magnesium silicates, 1.4 parts of alumina whiskers, 7.8 parts of polynites, 11.2 parts, diatomite, 16.2 parts of beta-type semi-hydrated gypsums, 10.8 parts of magnesium hydroxides, 3.8 parts of trimeric cyanamide phosphoric acid ester, 2.3 parts of Zinic stearass, 0.9 part of glyceryl monostearate, 1.8 parts of epoxy soybean oils, silane coupling agent KH7922.2 part;
In preparation process, polybutylene terephthalate PBT, polyphenylene sulphone resin PPSU and polythene PE are added to the high speed mixer with heating function, temperature is risen to 210 ℃, stirring velocity is 900rpm, stir after 30min, then polynite, diatomite, beta-type semi-hydrated gypsum, magnesium hydroxide, trimeric cyanamide phosphoric acid ester, Zinic stearas, glyceryl monostearate and epoxy soybean oil are added and in above-mentioned high speed mixer, stir 2.4h and obtain mixture; Short glass fiber, fibrous magnesium silicate and alumina whisker are added in silane coupling agent KH792 and mix 40min; Mixture is put into twin screw extruder, short glass fiber, fibrous magnesium silicate, alumina whisker and silane coupling agent KH792 are added wherein from the side spout of twin screw extruder, carry out blend, extrude the cable sheath material that obtains corrosion-resistant antifatigue, wherein said twin screw extruder is divided into 3 sections, from charging opening, start each section of temperature and be followed successively by 240 ℃, 250 ℃, 270 ℃, extrusion temperature is 260 ℃, and screw speed is 70rpm, and extrusion pressure is 55MPa.
Embodiment 3
The ageing-resistant cable sheath material of a kind of flame-proof heat-resistant that the present invention proposes, its raw material comprises by weight: polybutylene terephthalate PBT7 part, polyphenylene sulphone resin PPSU22 part, 19 parts of polythene PEs, 11 parts of short glass fibers, 4.2 parts of fibrous magnesium silicates, 1.3 parts of alumina whiskers, 8.4 parts of polynites, 10.9 parts, diatomite, 16.7 parts, gypsum, 10.5 parts of magnesium hydroxides, 4.5 parts of trimeric cyanamide phosphoric acid ester, 1.7 parts of Zinic stearass, 1.1 parts of glyceryl monostearates, 1.7 parts of epoxy soybean oils, silane coupling agent KH7922.9 part;
In preparation process, polybutylene terephthalate PBT, polyphenylene sulphone resin PPSU and polythene PE are added to the high speed mixer with heating function, temperature is risen to 220 ℃, stirring velocity is 800rpm, stir after 40min, then polynite, diatomite, gypsum, magnesium hydroxide, trimeric cyanamide phosphoric acid ester, Zinic stearas, glyceryl monostearate and epoxy soybean oil are added and in above-mentioned high speed mixer, stir 2h and obtain mixture; Short glass fiber, fibrous magnesium silicate and alumina whisker are added in silane coupling agent KH792 and mix 45min; Mixture is put into twin screw extruder, short glass fiber, fibrous magnesium silicate, alumina whisker and silane coupling agent KH792 are added wherein from the side spout of twin screw extruder, carry out blend, extrude the cable sheath material that obtains corrosion-resistant antifatigue, wherein said twin screw extruder is divided into 3 sections, from charging opening, start each section of temperature and be followed successively by 220 ℃, 260 ℃, 265 ℃, extrusion temperature is 270 ℃, and screw speed is 65rpm, and extrusion pressure is 65MPa.
Embodiment 4
The ageing-resistant cable sheath material of a kind of flame-proof heat-resistant that the present invention proposes, its raw material comprises by weight: polybutylene terephthalate PBT8 part, polyphenylene sulphone resin PPSU20 part, 20 parts of polythene PEs, 10 parts of short glass fibers, 5 parts of fibrous magnesium silicates, 1 part of alumina whisker, 9 parts of polynites, 10 parts, diatomite, 17 parts, gypsum, 10 parts of magnesium hydroxides, 5 parts of trimeric cyanamide phosphoric acid ester, 1 part of Zinic stearas, 1.3 parts of glyceryl monostearates, 1.5 parts of epoxy soybean oils, silane coupling agent KH7923 part;
In preparation process, polybutylene terephthalate PBT, polyphenylene sulphone resin PPSU and polythene PE are added to the high speed mixer with heating function, temperature is risen to 217 ℃, stirring velocity is 850rpm, stir after 35min, then polynite, diatomite, gypsum, magnesium hydroxide, trimeric cyanamide phosphoric acid ester, Zinic stearas, glyceryl monostearate and epoxy soybean oil are added and in above-mentioned high speed mixer, stir 2.1h and obtain mixture; Short glass fiber, fibrous magnesium silicate and alumina whisker are added in silane coupling agent KH792 and mix 44min; Mixture is put into twin screw extruder, short glass fiber, fibrous magnesium silicate, alumina whisker and silane coupling agent KH792 are added wherein from the side spout of twin screw extruder, carry out blend, extrude the cable sheath material that obtains corrosion-resistant antifatigue, wherein said twin screw extruder is divided into 3 sections, from charging opening, start each section of temperature and be followed successively by 225 ℃, 257 ℃, 266 ℃, extrusion temperature is 269 ℃, and screw speed is 67rpm, and extrusion pressure is 62MPa.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (5)
1. the ageing-resistant cable sheath material of flame-proof heat-resistant, it is characterized in that, its raw material comprises by weight: polybutylene terephthalate PBT5-8 part, polyphenylene sulphone resin PPSU20-25 part, polythene PE 15-20 part, short glass fiber 10-14 part, fibrous magnesium silicate 3-5 part, alumina whisker 1-1.5 part, polynite 7-9 part, diatomite 10-12 part, gypsum 15-17 part, magnesium hydroxide 10-11 part, trimeric cyanamide phosphoric acid ester 3-5 part, Zinic stearas 1-3 part, glyceryl monostearate 0.7-1.3 part, epoxy soybean oil 1.5-1.9 part, silane coupling agent 2-3 part,
In preparation process, polybutylene terephthalate PBT, polyphenylene sulphone resin PPSU and polythene PE are added to the high speed mixer with heating function, temperature is risen to 210-220 ℃, stirring velocity is 800-900rpm, stir after 30-40min, then polynite, diatomite, gypsum, magnesium hydroxide, trimeric cyanamide phosphoric acid ester, Zinic stearas, glyceryl monostearate and epoxy soybean oil are added and in above-mentioned high speed mixer, stir 2-2.4h and obtain mixture; Short glass fiber, fibrous magnesium silicate and alumina whisker are added and in silane coupling agent, mix 40-45min; Mixture is put into twin screw extruder, short glass fiber, fibrous magnesium silicate, alumina whisker and silane coupling agent are added wherein from the side spout of twin screw extruder, carry out blend, extrude the cable sheath material that obtains corrosion-resistant antifatigue, wherein said twin screw extruder is divided into 3 sections, from charging opening, start each section of temperature and be followed successively by 220-240 ℃, 250-260 ℃, 265-270 ℃, extrusion temperature is 260-270 ℃, screw speed is 65-70rpm, and extrusion pressure is 55-65MPa.
2. the ageing-resistant cable sheath material of flame-proof heat-resistant as claimed in claim 1, is characterized in that, described gypsum is beta-type semi-hydrated gypsum.
3. the ageing-resistant cable sheath material of flame-proof heat-resistant as claimed in claim 2, is characterized in that, described silane coupling agent is silane coupling agent KH792.
4. cable sheath material as ageing-resistant in flame-proof heat-resistant as described in claim 1-3, it is characterized in that, its raw material comprises by weight: polybutylene terephthalate PBT6-7 part, polyphenylene sulphone resin PPSU22-24 part, polythene PE 17-19 part, short glass fiber 11-12 part, fibrous magnesium silicate 3.6-4.2 part, alumina whisker 1.3-1.4 part, polynite 7.8-8.4 part, diatomite 10.9-11.2 part, gypsum 16.2-16.7 part, magnesium hydroxide 10.5-10.8 part, trimeric cyanamide phosphoric acid ester 3.8-4.5 part, Zinic stearas 1.7-2.3 part, glyceryl monostearate 0.9-1.1 part, epoxy soybean oil 1.7-1.8 part, silane coupling agent 2.2-2.9 part.
5. the ageing-resistant cable sheath material of flame-proof heat-resistant as claimed in claim 4, it is characterized in that, described twin screw extruder is divided into 3 sections, from charging opening, start each section of temperature and be followed successively by 225-235 ℃, 253-257 ℃, 266-268 ℃, extrusion temperature is 265-269 ℃, screw speed is 67-69rpm, and extrusion pressure is 57-62MPa.
Priority Applications (1)
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| CN110885538A (en) * | 2019-12-08 | 2020-03-17 | 周佩珍 | Flame-retardant high-temperature-resistant electric wire and manufacturing method thereof |
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