CN105602080A - High-flame-resistance and high-temperature-resistant low-smoke cable material and preparation method thereof - Google Patents
High-flame-resistance and high-temperature-resistant low-smoke cable material and preparation method thereof Download PDFInfo
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- CN105602080A CN105602080A CN201610122325.6A CN201610122325A CN105602080A CN 105602080 A CN105602080 A CN 105602080A CN 201610122325 A CN201610122325 A CN 201610122325A CN 105602080 A CN105602080 A CN 105602080A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a high-flame-resistance and high-temperature-resistant low-smoke cable material and a preparation method thereof. The high-flame-resistance and high-temperature-resistant low-smoke cable material is prepared from, by weight, 50-75 parts of ethylene-vinyl acetate copolymer, 10-20 parts of kaolin, 23-35 parts of basic resin, 5-8 parts of silicon carbide powder, 5-15 parts of calcium carbonate powder, 32-48 parts of fire retardant, 3-6 parts of flame-retardant auxiliary, 1-3 parts of antioxidant, 4-9 parts of heat stabilizer, 2-5 parts of lubricant and 1-3 parts of titanate. The preparation method is simple and convenient to operate, the prepared cable material has excellent insulating electrical performance, and is free of halogen and environmentally friendly; during combustion, the material is low in smoke, free of toxicity and good in mechanical performance, high temperature resistance and flame-retardant performance, potential fire hazards are reduced, and good market prospects are achieved.
Description
Technical field
The present invention relates to a kind of cable material, specifically high temperature resistant low smoke cables material of a kind of high flame retardant and preparation method thereof.
Background technology
Along with expanding economy and scientific and technological progress, electric wire is all used widely at industry-by-industry and every field, lightThe demand of cable is increasing, and the requirement of its performance is being improved. China is that maximum in the world electric wire is produced country, electric wireCable industry occupies very important status in the national economy of China. Along with the frequent generation of electrical fire accident, electric wireThe fire-retardant problem of cable causes the attention of countries in the world. When cable fire, discharge a large amount of smog and poisonous, mordant gasBody is also a hidden danger in fire, has hindered people's safe escape and rescue work of extinguishing fire in fire, makes people'sLife and property are all subject to heavy losses, in order to reduce the generation of fire, low cigarette, Halogen, high flame retardant and resistance to elevated temperaturesAlso become the developing direction of wires and cables industry.
Summary of the invention
The object of the present invention is to provide the high temperature resistant low smoke cables material of a kind of high flame retardant, propose in above-mentioned background technology to solveProblem.
For achieving the above object, the invention provides following technical scheme:
The high temperature resistant low smoke cables material of a kind of high flame retardant, by forming according to the raw material of weight portion below: ethylene-vinyl acetate is commonPolymers 50-75 part, kaolin 10-20 part, base resin 23-35 part, carborundum powder 5-8 part, Paris white 5-15Part, fire retardant 32-48 part, flame retardant 3-6 part, antioxidant 1-3 part, heat stabilizer 4-9 part, lubricant 2-5Part and titanate esters 1-3 part.
As the further scheme of the present invention: described high flame retardant is high temperature resistant low smoke cables material, by following according to the raw material of weight portionComposition: ethylene-vinyl acetate copolymer 60-75 part, kaolin 15-20 part, base resin 28-32 part, carborundumPowder 6-8 part, Paris white 6-13 part, fire retardant 35-43 part, flame retardant 4-6 part, antioxidant 1-3 part, heatStabilizing agent 6-9 part, lubricant 3-5 part and titanate esters 2-3 part.
As the further scheme of the present invention: described high flame retardant is high temperature resistant low smoke cables material, by following according to the raw material of weight portionComposition: 68 parts of ethylene-vinyl acetate copolymers, 17 parts of kaolin, 31 parts of base resins, 7 parts of carborundum powders, carbon12 parts of acid calcium powders, 41 parts of fire retardants, 6 parts of flame retardants, 2 parts of antioxidants, 7 parts of heat stabilizers, 4 parts of lubricantsWith 2 parts of titanate esters.
As the further scheme of the present invention: base resin is the mixture of SEBS and POE, the weight ratio of SEBS and POEFor 1-2:1.
As the further scheme of the present invention: fire retardant is a kind of or several of environmental protection antimony oxide, Firebrake ZB, expanded graphiteKind.
As the further scheme of the present invention: Paris white adopts nano-calcium carbonate calcium powder.
The preparation method of described high flame retardant is high temperature resistant low smoke cables material, is made up of following steps:
Step 1, takes each raw material according to the weight portion of constitutive material, by ethylene-vinyl acetate copolymer, base resin,Titanate esters and kaolin are also put into high-speed kneading pot and are heated, and adopt the mixed on low speed that rotating speed is 400-750rpm even,The Temperature Setting of high-speed kneading pot is set as 80-90 degree Celsius, obtains compound A;
Step 2, in compound A, add fire retardant, flame retardant, carborundum powder, Paris white and heat stabilizer andMixed on low speed 30-60S obtains compound B, and then adds antioxidant and lubricant and adopt rotating speed to be in compound BThe high-speed mixing of 1800-2600rpm evenly gets final product discharging;
Step 3, adopts double screw extruder to extrude and makes material, dries.
Compared with prior art, the invention has the beneficial effects as follows: preparation method of the present invention is simple, easy to operate the electricity makingCable material has good insulation electrical performance and halogen-free environmental, LSZH when burning, mechanical performance, resistance to elevated temperatures andFire resistance is good, has reduced disaster hidden-trouble, has good market prospects.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Embodiment 1
The high temperature resistant low smoke cables material of a kind of high flame retardant, by forming according to the raw material of weight portion below: ethylene-vinyl acetate is common50 parts of polymers, 10 parts of kaolin, 23 parts of base resins, 5 parts of carborundum powders, 5 parts of Paris whites, 32 parts of fire retardants,1 part of 3 parts of flame retardants, 1 part of antioxidant, 4 parts of heat stabilizers, 2 parts of lubricants and titanate esters.
Take each raw material according to the weight portion of constitutive material, by ethylene-vinyl acetate copolymer, base resin, titanate estersWith kaolin and put into high-speed kneading pot and heat, and adopt the mixed on low speed that rotating speed is 400rpm even, high-speed kneadingThe Temperature Setting of pot is set as 80 degrees Celsius, obtains compound A. In compound A, add fire retardant, flame retardant, carbonSiClx powder, Paris white and heat stabilizer and mixed on low speed 30S obtain compound B, and then add in compound BAntioxidant and lubricant to adopt rotating speed be that the high-speed mixing of 1800rpm evenly gets final product discharging. Employing double screw extruder entersRow is extruded and is made material, dries.
Embodiment 2
The high temperature resistant low smoke cables material of a kind of high flame retardant, by forming according to the raw material of weight portion below: ethylene-vinyl acetate is common56 parts of polymers, 12 parts of kaolin, 27 parts of base resins, 6 parts of carborundum powders, 8 parts of Paris whites, 37 parts of fire retardants,1 part of 4 parts of flame retardants, 1 part of antioxidant, 5 parts of heat stabilizers, 2 parts of lubricants and titanate esters.
Take each raw material according to the weight portion of constitutive material, by ethylene-vinyl acetate copolymer, base resin, titanate estersWith kaolin and put into high-speed kneading pot and heat, and adopt the mixed on low speed that rotating speed is 450rpm even, high-speed kneadingThe Temperature Setting of pot is set as 82 degrees Celsius, obtains compound A. In compound A, add fire retardant, flame retardant, carbonSiClx powder, Paris white and heat stabilizer and mixed on low speed 35S obtain compound B, and then add in compound BAntioxidant and lubricant to adopt rotating speed be that the high-speed mixing of 1900rpm evenly gets final product discharging. Employing double screw extruder entersRow is extruded and is made material, dries.
Embodiment 3
The high temperature resistant low smoke cables material of a kind of high flame retardant, by forming according to the raw material of weight portion below: ethylene-vinyl acetate is common62 parts of polymers, 14 parts of kaolin, 29 parts of base resins, 7 parts of carborundum powders, 10 parts of Paris whites, fire retardant 412 parts of part, 4 parts of flame retardants, 2 parts of antioxidants, 7 parts of heat stabilizers, 3 parts of lubricants and titanate esters.
Take each raw material according to the weight portion of constitutive material, by ethylene-vinyl acetate copolymer, base resin, titanate estersWith kaolin and put into high-speed kneading pot and heat, and adopt the mixed on low speed that rotating speed is 600rpm even, high-speed kneadingThe Temperature Setting of pot is set as 85 degrees Celsius, obtains compound A. In compound A, add fire retardant, flame retardant, carbonSiClx powder, Paris white and heat stabilizer and mixed on low speed 50S obtain compound B, and then add in compound BAntioxidant and lubricant to adopt rotating speed be that the high-speed mixing of 2100rpm evenly gets final product discharging. Employing double screw extruder entersRow is extruded and is made material, dries.
Embodiment 4
The high temperature resistant low smoke cables material of a kind of high flame retardant, by forming according to the raw material of weight portion below: ethylene-vinyl acetate is common68 parts of polymers, 17 parts of kaolin, 31 parts of base resins, 7 parts of carborundum powders, 12 parts of Paris whites, fire retardant 412 parts of part, 6 parts of flame retardants, 2 parts of antioxidants, 7 parts of heat stabilizers, 4 parts of lubricants and titanate esters.
Take each raw material according to the weight portion of constitutive material, by ethylene-vinyl acetate copolymer, base resin, titanate estersWith kaolin and put into high-speed kneading pot and heat, and adopt the mixed on low speed that rotating speed is 700rpm even, high-speed kneadingThe Temperature Setting of pot is set as 88 degrees Celsius, obtains compound A. In compound A, add fire retardant, flame retardant, carbonSiClx powder, Paris white and heat stabilizer and mixed on low speed 53S obtain compound B, and then add in compound BAntioxidant and lubricant to adopt rotating speed be that the high-speed mixing of 2300rpm evenly gets final product discharging. Employing double screw extruder entersRow is extruded and is made material, dries.
Embodiment 5
The high temperature resistant low smoke cables material of a kind of high flame retardant, by forming according to the raw material of weight portion below: ethylene-vinyl acetate is common75 parts of polymers, 20 parts of kaolin, 35 parts of base resins, 8 parts of carborundum powders, 15 parts of Paris whites, fire retardant 483 parts of part, 6 parts of flame retardants, 3 parts of antioxidants, 9 parts of heat stabilizers, 5 parts of lubricants and titanate esters.
Take each raw material according to the weight portion of constitutive material, by ethylene-vinyl acetate copolymer, base resin, titanate estersWith kaolin and put into high-speed kneading pot and heat, and adopt the mixed on low speed that rotating speed is 750rpm even, high-speed kneadingThe Temperature Setting of pot is set as 90 degrees Celsius, obtains compound A. In compound A, add fire retardant, flame retardant, carbonSiClx powder, Paris white and heat stabilizer and mixed on low speed 60S obtain compound B, and then add in compound BAntioxidant and lubricant to adopt rotating speed be that the high-speed mixing of 2600rpm evenly gets final product discharging. Employing double screw extruder entersRow is extruded and is made material, dries.
Comparative example 1
Except not containing carborundum powder, all the other formulas and preparation process are consistent with embodiment 5.
The CABLE MATERIALS of the embodiment of the present invention 5, the CABLE MATERIALS of comparative example 1 and existing cable material general performance relatively enter following table 1Shown in:
Table 1
| Project | Unit | Existing cable material | Embodiment 5 | Comparative example 1 |
| Original broken intensity | MPa is not less than | 5.00 | 9.45 | 5.68 |
| Original broken percentage elongation | % is not less than | 250 | 393 | 255 |
| After resistance to 158 DEG C of * 168h are aging | - | - | - | - |
| K1 | % is not less than | Carbonization | 118 | Carbonization |
| K2 | % is not less than | Carbonization | 89 | Carbonization |
| After resistance to 158 DEG C of * 168h are aging | - | - | - | - |
| K1 | % is not less than | 90 | 123 | 96 |
| K2 | % is not less than | 60 | 75 | 62 |
| Insulaion resistance | Ohmcm >= | 1015 | 1016 | 1015 |
As can be seen from Table 1, CABLE MATERIALS prepared by embodiments of the invention 5, fracture strength, elongation at break, anti-agingPerformance and insulating properties are all better than existing CABLE MATERIALS, the fracture strength of embodiment 5, elongation at break, ageing resistance greatlyEnergy and insulating properties are also better than the CABLE MATERIALS of comparative example 1 greatly.
After being vulcanized to film-making, above-described embodiment 5 and the CABLE MATERIALS of comparative example 1 test correlated results relatively as table 2Show.
Table 2
As can be seen from Table 2, it is equal that embodiment 5 adopts tensile strength, elongation at break and dielectric strength after sulfuration film-makingBe far superior to CABLE MATERIALS prepared by comparative example 1, contrasting with the test result of comparative example 1 from embodiment 5, can find out, logicalCross interpolation carborundum powder, be conducive to strengthen tensile strength, elongation at break and the dielectric strength of CABLE MATERIALS.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and do not carrying on the backIn the situation of spirit of the present invention or essential characteristic, can realize the present invention with other concrete form. Therefore, no matter fromWhich point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is by appended powerProfit requires instead of above-mentioned explanation limits, and is therefore intended to drop on all in the implication that is equal to important document of claim and scopeChange and include in the present invention.
In addition although should be appreciated that this description is described according to embodiment, be not that each embodiment only comprises,A technical scheme independently, this narrating mode of description is only for clarity sake, those skilled in the art should be byDescription is done as a whole, and the technical scheme in each embodiment also can be through appropriately combined, and forming those skilled in the art canWith other embodiments of understanding.
Claims (7)
1. the high temperature resistant low smoke cables material of high flame retardant, it is characterized in that, by forming according to the raw material of weight portion below: ethylene-vinyl acetate copolymer 50-75 part, kaolin 10-20 part, base resin 23-35 part, carborundum powder 5-8 part, Paris white 5-15 part, fire retardant 32-48 part, flame retardant 3-6 part, antioxidant 1-3 part, heat stabilizer 4-9 part, lubricant 2-5 part and titanate esters 1-3 part.
2. the high temperature resistant low smoke cables material of high flame retardant according to claim 1, it is characterized in that, by forming according to the raw material of weight portion below: ethylene-vinyl acetate copolymer 60-75 part, kaolin 15-20 part, base resin 28-32 part, carborundum powder 6-8 part, Paris white 6-13 part, fire retardant 35-43 part, flame retardant 4-6 part, antioxidant 1-3 part, heat stabilizer 6-9 part, lubricant 3-5 part and titanate esters 2-3 part.
3. the high temperature resistant low smoke cables material of high flame retardant according to claim 2, it is characterized in that, by forming according to the raw material of weight portion below: 2 parts of 68 parts of ethylene-vinyl acetate copolymers, 17 parts of kaolin, 31 parts of base resins, 7 parts of carborundum powders, 12 parts of Paris whites, 41 parts of fire retardants, 6 parts of flame retardants, 2 parts of antioxidants, 7 parts of heat stabilizers, 4 parts of lubricants and titanate esters.
4. the high temperature resistant low smoke cables material of high flame retardant according to claim 1, is characterized in that, described base resin is the mixture of SEBS and POE, and the weight ratio of SEBS and POE is 1-2:1.
5. the high temperature resistant low smoke cables material of high flame retardant according to claim 1, is characterized in that, described fire retardant is one or more of environmental protection antimony oxide, Firebrake ZB, expanded graphite.
6. the high temperature resistant low smoke cables material of high flame retardant according to claim 1, is characterized in that, described Paris white adopts nano-calcium carbonate calcium powder.
7.OneThe preparation method of the high temperature resistant low smoke cables material of high flame retardant as described in kind is as arbitrary in claim 1-6, is characterized in that, is made up of following steps:
Step 1, take each raw material according to the weight portion of constitutive material, by ethylene-vinyl acetate copolymer, base resin, titanate esters and kaolin and put into high-speed kneading pot and heat, and adopt the mixed on low speed that rotating speed is 400-750rpm even, the Temperature Setting of high-speed kneading pot is set as 80-90 degree Celsius, obtains compound A;
Step 2, in compound A, add fire retardant, flame retardant, carborundum powder, Paris white and heat stabilizer and mixed on low speed 30-60S to obtain compound B, and then be that the high-speed mixing of 1800-2600rpm evenly gets final product discharging to adding antioxidant and lubricant in compound B and adopting rotating speed;
Step 3, adopts double screw extruder to extrude and makes material, dries.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610122325.6A CN105602080A (en) | 2016-03-03 | 2016-03-03 | High-flame-resistance and high-temperature-resistant low-smoke cable material and preparation method thereof |
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| CN201610122325.6A CN105602080A (en) | 2016-03-03 | 2016-03-03 | High-flame-resistance and high-temperature-resistant low-smoke cable material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110372948A (en) * | 2019-04-19 | 2019-10-25 | 苏州亨利通信材料有限公司 | The special overlay film steel band of armoured cable |
| CN112724661A (en) * | 2020-12-29 | 2021-04-30 | 河北亿正线缆有限公司 | High flame-retardant insulation type wire and cable |
| CN112898710A (en) * | 2021-01-23 | 2021-06-04 | 山东宏建高分子材料科技有限公司 | Cable sheath material for marine platform and preparation method thereof |
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2016
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110372948A (en) * | 2019-04-19 | 2019-10-25 | 苏州亨利通信材料有限公司 | The special overlay film steel band of armoured cable |
| CN112724661A (en) * | 2020-12-29 | 2021-04-30 | 河北亿正线缆有限公司 | High flame-retardant insulation type wire and cable |
| CN112898710A (en) * | 2021-01-23 | 2021-06-04 | 山东宏建高分子材料科技有限公司 | Cable sheath material for marine platform and preparation method thereof |
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