CN104530545A - PE cable material subjected to irradiation cross-linking at 125 DEG C for UL high-temperature electronic wire and preparation method of PE cable material - Google Patents
PE cable material subjected to irradiation cross-linking at 125 DEG C for UL high-temperature electronic wire and preparation method of PE cable material Download PDFInfo
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- CN104530545A CN104530545A CN201410801929.4A CN201410801929A CN104530545A CN 104530545 A CN104530545 A CN 104530545A CN 201410801929 A CN201410801929 A CN 201410801929A CN 104530545 A CN104530545 A CN 104530545A
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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
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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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
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2312/00—Crosslinking
- C08L2312/06—Crosslinking by radiation
Abstract
The invention belongs to the preparation of cable materials and particularly relates to a PE cable material subjected to irradiation cross-linking at 125 DEG C for UL high-temperature electronic wire and preparation method of the PE cable material. The PE cable material is prepared from an effective amount of matrix resin, a compatilizer, a bromine flame retardant, an organic flame retardant, a silane coupling agent, a lubricants, an antioxidant, an anti-UV agent, and an irradiation crosslinking aid by virtue of carrying out surface activation treatment on the flame retardant, mixing in a mixer, granulating and the like, wherein the matrix resin comprises linear low-density polyethylene A, linear low-density polyethylene B and an ethylene-octene copolymer. By the preparation method, the defect that such mechanical properties as tensile strength and elongation at break of the cable material due to large filling amount of the flame retardant in the prior art can be inevitably reduced, the PE cable material has the advantages that the technical indicators such as tensile strength and elongation at break of the prepared electronic line are higher than the existing standard and the product has good flame retardant property and surface degree of finish, low cost and the like, and the situation that UL high-temperature electronic wire manufacturers can only use expensive imported cable materials to meet needs is broken.
Description
Technical field
The invention belongs to the preparation of CABLE MATERIALS, particularly a kind of UL high-temperature electronic line 125 DEG C of cross-linking radiation PE CABLE MATERIALS and preparation method thereof.
Background technology
UL electric wire is the general designation of the electric wire by UL certification, is the electric wire meeting European Union ROHS environmental requirement, is generally for light-current engineering, as electronics, electrical equipment internal connection line etc.The performance such as tensile strength, elongation at break, fire prevention of UL electric wire to CABLE MATERIALS has very high requirement, as UL3173 high-temperature electronic line standard regulation: 125 DEG C of cross-linking radiation PE electric wire irradiation back draft intensity>=1.41kgf/mm
2, elongation at break>=300%, fire-retardantly to be tested by VW-1.Current domestic cable material of polyolefin mainly adopts the inorganic hydroxides such as aluminium hydroxide, magnesium hydroxide, red phosphorus, zinc borate to be fire retardant, but this kind of fire retardant efficiency is not high, and loading level is enough large just can play certain flame retardant effect; As everyone knows, loading level will inevitably reduce greatly the mechanical property such as tensile strength, elongation at break of CABLE MATERIALS.This problem has become a technical bottleneck of numerous domestic CABLE MATERIALS manufacturer, UL high-temperature electronic line manufacturer can only select expensive import CABLE MATERIALS to meet self needs, how to solve the problem and has become the important subject of CABLE MATERIALS production field.
Summary of the invention
The object of the present invention is to provide a kind of UL high-temperature electronic line 125 DEG C of cross-linking radiation PE CABLE MATERIALS and preparation method thereof, the UL high-temperature electronic line utilizing it to produce meets corresponding standard-required in the performance index such as tensile strength, elongation at break, fire prevention.
Overall technology solution of the present invention is:
A kind of UL high-temperature electronic line 125 DEG C of cross-linking radiation PE CABLE MATERIALS, it is made up of the component of following mass fraction: matrix resin 35-55 part, compatilizer 5-15 part, bromide fire retardant 30-60 part, inorganic combustion inhibitor 5-30 part, silane coupling agent 0.7-1.8 part, lubricant 1-2 part, oxidation inhibitor 0.6-1.2 part, anti UV agent 0.4-0.9 part, cross-linking radiation auxiliary agent 0.8-1.7 part;
The ethylene-octene copolymer that described matrix resin is 33%-38% linear low density polyethylene A, 47%-52% linear low density polyethylene B and 10%-20% by mass percentage forms.
Prepare a UL high-temperature electronic line method for 125 DEG C of cross-linking radiation PE CABLE MATERIALS according to claim 1, comprise the steps:
The surface activation process of a, fire retardant: homogenizer high speed bromide fire retardant, inorganic combustion inhibitor poured into respectively with spraying plant stirs 10-15 minute, spray silane coupling agent while stirring, wherein the addition of silane coupling agent is respectively 2% of bromide fire retardant and inorganic combustion inhibitor quality;
B, take rest materials by formula, pour in Banbury mixer and will to add gland after stirring 3-5 minute and put down and carry out banburying, when material temperature is 100 DEG C-105 DEG C, 110 DEG C-115 DEG C, 120 DEG C-125 DEG C, material is respectively once stirred, blowing when material temperature reaches 135 DEG C-140 DEG C;
C, by transport unit, the material after banburying is placed in twin screw Dual inoculation and carries out extruding pelletization, screw rod each district temperature is 120-155 DEG C.
Concrete technology condition of the present invention also has:
Described linear low density polyethylene A 190 DEG C, melting index is 0.2-0.5g/10min under the condition of 2.16Kg, linear low density polyethylene B 190 DEG C, melting index is 2-3g/10min under the condition of 2.16Kg, ethylene-octene copolymer 190 DEG C, melting index is 3-4g/10min under the condition of 2.16Kg, shore hardness≤85A.
Compatilizer selects one or its combination of maleic anhydride grafted polyethylene, maleic anhydride grafted ethene-octene copolymer.
Described bromide fire retardant is made up of TDE and antimonous oxide, and the two mass ratio is TDE: antimonous oxide=3:1.
Described inorganic combustion inhibitor is made up of aluminium hydroxide and zinc borate, wherein the particle diameter of aluminium hydroxide and zinc borate all≤3 μm.
Described lubricant is made up of silicone master batch and polyethylene wax, and the siloxanes mass percentage wherein in silicone master batch is 50%.
Described oxidation inhibitor is made up of primary antioxidant 2,6 di tert butyl 4 methyl phenol and auxiliary antioxidant Tyox B, and the mass ratio of the two is 2,6 di tert butyl 4 methyl phenol: Tyox B=1:1.
Described anti UV agent is 2-(2-hydroxyl-3,5-di-tert-pentyl-phenyl) benzotriazole.
Described cross-linking radiation auxiliary agent is iso-cyanuric acid triallyl ester.
The substantive distinguishing features that the present invention possesses and the remarkable technical progress obtained are:
1, the collocation of the polyethylene of two kinds of different melting index uses by the present invention.Because the mechanical property such as tensile strength, elongation at break of UL electric wire to CABLE MATERIALS has very high requirement, as UL3173 high-temperature electronic line standard regulation: 125 DEG C of cross-linking radiation PE electric wire irradiation back draft intensity>=1.41kgf/mm
2, elongation at break>=300%, the therefore large percentage of resin in CABLE MATERIALS, the ratio of fire retardant is less, and this just makes the viscosity of CABLE MATERIALS less than normal, thus the problem causing electric wire rough; And can play by adding the low polyethylene of a certain amount of melting index the viscosity effectively regulating CABLE MATERIALS, increase the effect of electric wire surface smoothness.
2, in matrix resin, a certain amount of ethylene-octene copolymer is added.This not only can improve the elongation at break of CABLE MATERIALS greatly, and can improve electric wire surface smoothness.
3, select TDE and antimonous oxide as main fire retardant, and the two ratio is set as 3:1.UL electric wire all needs by the single combustion test of VW-1, and this just requires that CABLE MATERIALS has and extremely strong certainly puts out ability.TDE has very strong puts out ability and environmental protection, efficient certainly; The fire retardancy of antimonous oxide self is poor, but by it in the composite use of TDE, greatly can improve the flame retardant properties of CABLE MATERIALS.
4, in matrix resin, a certain amount of inorganic combustion inhibitor is added.Although bromide fire retardant is efficient, environmental protection, price is high, and whole use does not have price advantage; And although aluminium hydroxide, zinc borate flame retarding efficiency are not high, price is low.By regulating the proportioning of the materials such as matrix resin, bromide fire retardant, inorganic combustion inhibitor, compatilizer, making CABLE MATERIALS of the present invention while meeting flame-retardancy requirements, can greatly reduce costs again.Market like product price is about 65 yuan/kilogram, and dependence on import, and CABLE MATERIALS cost price of the present invention is only about 25 yuan/kilogram.
5, CABLE MATERIALS excellent performance of the present invention, if the 16AWG electric wire property indices produced by CABLE MATERIALS of the present invention is all higher than UL3173 electric wire standard.
Embodiment
Below in conjunction with embodiment, the invention will be further described; but it is not as a limitation of the invention; the content that protection scope of the present invention is recorded with claim is as the criterion, any according to the equivalent technical elements replacement done by this specification sheets, does not all depart from protection scope of the present invention.
Each proportioning raw materials in embodiment 1-5 is as follows:
Wherein
In embodiment 1: in matrix resin, polyethylene A, polyethylene B, ethylene-octene copolymer three parts by weight are respectively 12 parts, 17 parts, 6 parts; In bromide fire retardant, TDE, both antimonous oxides parts by weight are respectively 22.5 parts, 7.5 parts; In inorganic combustion inhibitor, aluminium hydroxide, both zinc borates parts by weight are respectively 2.5 parts, 2.5 parts; In lubricant, silicone master batch, both polyethylene waxs mass fraction are respectively 0.7 part, 0.3 part; In oxidation inhibitor, primary antioxidant, both auxiliary antioxidants parts by weight are respectively 0.3 part, 0.3 part.
In embodiment 2: in matrix resin, polyethylene A, polyethylene B, ethylene-octene copolymer three parts by weight are respectively 16 parts, 22 parts, 7 parts; In bromide fire retardant, TDE, both antimonous oxides parts by weight are respectively 30 parts, 10 parts; In inorganic combustion inhibitor, aluminium hydroxide, both zinc borates parts by weight are respectively 4 parts, 4 parts; In lubricant, silicone master batch, both polyethylene waxs mass fraction are respectively 1.2 parts, 0.3 part; In oxidation inhibitor, primary antioxidant, both auxiliary antioxidants parts by weight are respectively 0.4 part, 0.4 part.
In embodiment 3: in matrix resin, polyethylene A, polyethylene B, ethylene-octene copolymer three parts by weight are respectively 17 parts, 23 parts, 8 parts; In bromide fire retardant, TDE, both antimonous oxides parts by weight are respectively 33 parts, 11 parts; In inorganic combustion inhibitor, aluminium hydroxide, both zinc borates parts by weight are respectively 7.5 parts, 7.5 parts; In lubricant, silicone master batch, both polyethylene waxs mass fraction are respectively 1.2 parts, 0.4 part; In oxidation inhibitor, primary antioxidant, both auxiliary antioxidants parts by weight are respectively 0.5 part, 0.5 part.
In embodiment 4: in matrix resin, polyethylene A, polyethylene B, ethylene-octene copolymer three parts by weight are respectively 18 parts, 24 parts, 8 parts; In bromide fire retardant, TDE, both antimonous oxides parts by weight are respectively 37.5 parts, 12.5 parts; In inorganic combustion inhibitor, aluminium hydroxide, both zinc borates parts by weight are respectively 10 parts, 10 parts; In lubricant, silicone master batch, both polyethylene waxs mass fraction are respectively 1.3 parts, 0.5 part; In oxidation inhibitor, primary antioxidant, both auxiliary antioxidants parts by weight are respectively 0.55 part, 0.55 part.
In embodiment 5: in matrix resin, polyethylene A, polyethylene B, ethylene-octene copolymer three parts by weight are respectively 20 parts, 26 parts, 9 parts; In bromide fire retardant, TDE, both antimonous oxides parts by weight are respectively 45 parts, 15 parts; In inorganic combustion inhibitor, aluminium hydroxide, both zinc borates parts by weight are respectively 15 parts, 15 parts; In lubricant, silicone master batch, both polyethylene waxs mass fraction are respectively 1.5 parts, 0.5 part; In oxidation inhibitor, primary antioxidant, both auxiliary antioxidants parts by weight are respectively 0.6 part, 0.6 part.
The preparation method of embodiment 1-5 is as aforementioned.
Applicant is according to electric wire processing requirement, and utilize the CABLE MATERIALS in embodiment 1-5 produce the electric wire of 16AWG and carried out correlation detection, result is as follows:
Claims (10)
1. a UL high-temperature electronic line 125 DEG C of cross-linking radiation PE CABLE MATERIALS, it is characterized in that it is made up of the component of following mass fraction: matrix resin 35-55 part, compatilizer 5-15 part, bromide fire retardant 30-60 part, inorganic combustion inhibitor 5-30 part, silane coupling agent 0.7-1.8 part, lubricant 1-2 part, oxidation inhibitor 0.6-1.2 part, anti UV agent 0.4-0.9 part, cross-linking radiation auxiliary agent 0.8-1.7 part;
The ethylene-octene copolymer that described matrix resin is 33%-38% linear low density polyethylene A, 47%-52% linear low density polyethylene B and 10%-20% by mass percentage forms.
2. UL high-temperature electronic line according to claim 1 125 DEG C of cross-linking radiation PE CABLE MATERIALS, it is characterized in that described linear low density polyethylene A 190 DEG C, melting index is 0.2-0.5g/10min under the condition of 2.16Kg, linear low density polyethylene B 190 DEG C, melting index is 2-3g/10min under the condition of 2.16Kg, ethylene-octene copolymer 190 DEG C, melting index is 3-4g/10min under the condition of 2.16Kg, shore hardness≤85A.
3. UL high-temperature electronic line according to claim 1 125 DEG C of cross-linking radiation PE CABLE MATERIALS, is characterized in that compatilizer selects one or its combination of maleic anhydride grafted polyethylene, maleic anhydride grafted ethene-octene copolymer.
4. UL high-temperature electronic line according to claim 1 125 DEG C of cross-linking radiation PE CABLE MATERIALS, it is characterized in that described bromide fire retardant is made up of TDE and antimonous oxide, the two mass ratio is TDE: antimonous oxide=3:1.
5. UL high-temperature electronic line according to claim 1 125 DEG C of cross-linking radiation PE CABLE MATERIALS, is characterized in that described inorganic combustion inhibitor is made up of aluminium hydroxide and zinc borate, wherein the particle diameter of aluminium hydroxide and zinc borate all≤3 μm.
6. UL high-temperature electronic line according to claim 1 125 DEG C of cross-linking radiation PE CABLE MATERIALS, it is characterized in that described lubricant is made up of silicone master batch and polyethylene wax, the siloxanes mass percentage wherein in silicone master batch is 50%.
7. UL high-temperature electronic line according to claim 1 125 DEG C of cross-linking radiation PE CABLE MATERIALS, it is characterized in that described oxidation inhibitor is by primary antioxidant 2,6-di-tert-butyl-4-methy phenol and auxiliary antioxidant Tyox B composition, the mass ratio of the two is 2,6 di tert butyl 4 methyl phenol: Tyox B=1:1.
8. UL high-temperature electronic line according to claim 1 125 DEG C of cross-linking radiation PE CABLE MATERIALS, is characterized in that described anti UV agent is 2-(2-hydroxyl-3,5-di-tert-pentyl-phenyl) benzotriazole.
9. UL high-temperature electronic line according to claim 1 125 DEG C of cross-linking radiation PE CABLE MATERIALS, is characterized in that described cross-linking radiation auxiliary agent is iso-cyanuric acid triallyl ester.
10. prepare a UL high-temperature electronic line method for 125 DEG C of cross-linking radiation PE CABLE MATERIALS according to claim 1, it is characterized in that comprising the steps:
The surface activation process of a, fire retardant: homogenizer high speed bromide fire retardant, inorganic combustion inhibitor poured into respectively with spraying plant stirs 10-15 minute, spray silane coupling agent while stirring, wherein the addition of silane coupling agent is respectively 2% of bromide fire retardant and inorganic combustion inhibitor quality;
B, take rest materials by formula, pour in Banbury mixer and will to add gland after stirring 3-5 minute and put down and carry out banburying, when material temperature is 100 DEG C-105 DEG C, 110 DEG C-115 DEG C, 120 DEG C-125 DEG C, material is respectively once stirred, blowing when material temperature reaches 135 DEG C-140 DEG C;
C, by transport unit, the material after banburying is placed in twin screw Dual inoculation and carries out extruding pelletization, screw rod each district temperature is 120-155 DEG C.
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| CN201410801929.4A CN104530545B (en) | 2014-12-22 | 2014-12-22 | PE cable material subjected to irradiation cross-linking at 125 DEG C for UL high-temperature electronic wire and preparation method of PE cable material |
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| CN201410801929.4A CN104530545B (en) | 2014-12-22 | 2014-12-22 | PE cable material subjected to irradiation cross-linking at 125 DEG C for UL high-temperature electronic wire and preparation method of PE cable material |
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| CN109705434A (en) * | 2018-12-28 | 2019-05-03 | 郑州贝欧科儿童用品股份有限公司 | A kind of car duct and preparation method thereof |
| US10669412B2 (en) | 2016-09-09 | 2020-06-02 | Leoni Kabel Gmbh | Elongated article with good flexibility and high flame retardancy |
| US10920049B2 (en) | 2016-09-09 | 2021-02-16 | Leoni Kabel Gmbh | Polymer composition with high flexibility and flame retardancy |
| US11248111B2 (en) | 2016-09-09 | 2022-02-15 | Leoni Kabel Gmbh | Conjunction device such as a cable and polymer composition for preparing same |
| US11453764B2 (en) | 2016-09-09 | 2022-09-27 | Leoni Kabel Gmbh | Strand-shaped elements and polymer composition for preparing same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10669412B2 (en) | 2016-09-09 | 2020-06-02 | Leoni Kabel Gmbh | Elongated article with good flexibility and high flame retardancy |
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| US11453764B2 (en) | 2016-09-09 | 2022-09-27 | Leoni Kabel Gmbh | Strand-shaped elements and polymer composition for preparing same |
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| Publication number | Publication date |
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| CN104530545B (en) | 2017-01-11 |
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