CN105462050A - Graphene modified low-smoke halogen-free flame-retardant sheath material and preparation method thereof - Google Patents
Graphene modified low-smoke halogen-free flame-retardant sheath material and preparation method thereof Download PDFInfo
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- CN105462050A CN105462050A CN201510981231.XA CN201510981231A CN105462050A CN 105462050 A CN105462050 A CN 105462050A CN 201510981231 A CN201510981231 A CN 201510981231A CN 105462050 A CN105462050 A CN 105462050A
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- smoke halogen
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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
-
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- 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
- C08L2201/22—Halogen free composition
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Physics & Mathematics (AREA)
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Abstract
The invention provides a graphene modified low-smoke halogen-free flame-retardant sheath material. The sheath material is prepared from the following components in parts by weight: 100 parts of basic resin, 130 to 160 parts of flame retardant, 1.0 to 2.5 parts of coupling agent, 0.5 to 1 part of antioxidant, 2 to 10 parts of graphene and 0.5 to 3 parts of lubricating agent, wherein the basic resin is prepared from the following components: EVA (ethylene-vinyl acetate), LLDPE (linear low density polyethylene) and POE (ethene-butene copolymer) according to the weight ratio of (60 to 75):(10 to 20):(10 to 20), the flame retardant is aluminum hydroxide, the coupling agent is vinyl trimethoxy silane, and the lubricating agent is silicone master batch. The invention further provides a preparation method of the low-smoke halogen-free flame-retardant sheath material which has the advantages of good flame retardancy, high strength and cracking resistance. According to the graphene modified low-smoke halogen-free flame-retardant sheath material and the preparation method, aiming at the problem of a low-smoke halogen-free flame-retardant material, the graphene is used as a modified material to blend and modify the low-smoke halogen-free flame-retardant material, so that the low-smoke halogen-free flame-retardant sheath material with high flame retardancy and excellent mechanical properties is prepared.
Description
Technical field
The present invention relates to a kind of Graphene modification low-smoke halogen-free flame-retardant sheath material and preparation method thereof
Background technology
Graphene has perfect two dimensional crystal structure, and it is material the thinnest on the known world, is also the most tough material, more taller than best steel 200 times of breaking tenacity.Graphene has again good elasticity simultaneously, and stretch range can reach 20% of own dimensions.
Low-smoke halogen-free flame-retardant sheath material is owing to adding a large amount of inorganic combustion inhibitors, and the tensile strength of material and elongation at break can sharply decline.The decline of halogen-free low-smoke flame retardant material mechanical property must affect the work-ing life of electric wire and optical cable.
Summary of the invention
The first object of the present invention is that obtaining one overcomes the deficiencies in the prior art, provides a kind of flame retardant properties good, high strength, the Graphene modification low-smoke halogen-free flame-retardant sheath material of cracking resistance.
The second object of the present invention is that obtaining one overcomes the deficiencies in the prior art, provides a kind of flame retardant properties good, high strength, the preparation method of the Graphene modification low-smoke halogen-free flame-retardant sheath material of cracking resistance.
At the Graphene modification low-smoke halogen-free flame-retardant sheath material of a first aspect of the present invention, it is characterized in that, each component and the parts by weight of described Graphene modification low-smoke halogen-free flame-retardant sheath material are as follows:
Described base resin comprises following component: ethylene-vinyl acetate (EVA) multipolymer, linear low density of polyethylene (LLDPE), ethylene-butene copolymer (POE) and three's weight ratio is 60 ~ 75:10 ~ 20:10 ~ 20;
Described fire retardant is aluminium hydroxide;
Described coupling agent is vinyltriethoxysilane;
Described lubricant is silicone master batch.
In a specific embodiment of the present invention, the melting index of described ethylene-vinyl acetate (EVA) multipolymer is: 2 ~ 6g/10min, measures with GB/T3682-2000 method; Wherein vinyl acetate with the mass percentage of the total weight of ethylene-vinyl acetate (EVA) multipolymer is: 10 ~ 30%.
In a specific embodiment of the present invention, the melting index of described linear low density of polyethylene (LLDPE) is: 1 ~ 3g/10min, measures with GB/T3682-2000 method.
In a specific embodiment of the present invention, the melting index of ethylene-butene copolymer (POE) is: 2 ~ 5g/10min, measures with GB/T3682-2000 method.
In a specific embodiment of the present invention, the median particle diameter of described aluminium hydroxide is 1.25 ~ 1.65 μm, and specific surface area is 4-6m
2/ g.
In a specific embodiment of the present invention, described oxidation inhibitor is antioxidant 1010.
In a specific embodiment of the present invention, in described silicone master batch, the number-average molecular weight of siloxanes is 600,000 ~ 850,000.
A second aspect of the present invention provides a kind of preparation method of Graphene modification low-smoke halogen-free flame-retardant sheath material, fire retardant, coupling agent, Graphene, oxidation inhibitor are proportionally mixed to temperature to 70 DEG C ± 5 DEG C, discharging is placed, with other components by proportioning extruding pelletization, obtain described a kind of Graphene modification low-smoke halogen-free flame-retardant sheath material.
The present invention is directed to this problem that halogen-free low-smoke flame retardant material exists, adopt Graphene to carry out blending and modifying as material modified to halogen-free low-smoke flame retardant material, the low-smoke halogen-free flame-retardant sheath material of preparation high flame retardant, excellent in mechanical performance.
Embodiment
The present inventor, through extensive and deep research, by improving formula, obtains a kind of Graphene modification low-smoke halogen-free flame-retardant sheath material and preparation method thereof.Complete the present invention on this basis.
In the present invention, term " contains " or " comprising " represents that various composition can be applied in mixture of the present invention or composition together.Therefore, term " primarily of ... composition " and " by ... form " be included in term and " contain " or in " comprising ".
Below describe in detail to various aspects of the present invention:
As no specific instructions, various raw material of the present invention all can be obtained by commercially available; Or prepare according to the ordinary method of this area.Unless otherwise defined or described herein, all specialties used herein and scientific words and those skilled in the art the same meaning be familiar with.In addition any method similar or impartial to described content and material all can be applicable in the inventive method
A kind of Graphene modification low-smoke halogen-free flame-retardant sheath material of the present invention and preparation method thereof tool has the following advantages:
The present invention adopts ethylene-vinyl acetate (EVA), linear low density of polyethylene (LLDPE), ethylene-butene copolymer (POE) to be matrix resin, aluminium hydroxide is main fire retardant, vinyltriethoxysilane is coupling agent, Graphene is properties-correcting agent, and the low-smoke halogen-free flame-retardant sheath material of preparation has high flame retardant, high strength, cracking resistance.Wherein, high strength shows, the sheath material tensile strength of preparation is greater than 15MPa, and splitting resistance outstanding behaviours exists, and the cable prepared with this sheath material carries out thermal shock test (6 circle * 3D), at 130 DEG C, after 1 hour, and cable sheath flawless.
Other aspects of the present invention, due to disclosure herein, are apparent to those skilled in the art.
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.The experimental technique of unreceipted actual conditions in the following example, measures according to national standard usually.If there is no corresponding national standard, then according to general international standard, normal condition or carry out according to the condition that manufacturer advises.Unless otherwise indicated, otherwise all numbers are weight part, and all per-cent is weight percentage.
Unless otherwise defined or described herein, all specialties used herein and scientific words and those skilled in the art the same meaning be familiar with.In addition any method similar or impartial to described content and material all can be applicable in the inventive method.
Embodiment 1.
Each ingredient names and each composition weight number as follows:
The preparation method of foregoing invention, it comprises following processing step:
Aluminium hydroxide, vinyltriethoxysilane, Irganox1010 are proportionally mixed to temperature to 70 DEG C ± 5 DEG C, discharging is placed, with other components by proportioning extruding pelletization.
Carry out performance detection experiment to the product in embodiment 1, each performance value is as shown in table 1.
Embodiment 2
Each ingredient names and each composition weight number as follows:
The preparation method of foregoing invention, it comprises following processing step:
Aluminium hydroxide, Graphene, vinyltriethoxysilane, Irganox1010 are proportionally mixed to temperature to 70 DEG C ± 5 DEG C, discharging is placed, with other components by proportioning extruding pelletization.
Carry out performance detection experiment to the product in embodiment 2, each performance value is as shown in table 1.
Embodiment 3
Each ingredient names and each composition weight number as follows:
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 2.
Carry out performance detection experiment to the product in embodiment 3, each performance value is as shown in table 1.
Embodiment 4
Each ingredient names and each composition weight number as follows:
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 2.
Carry out performance detection experiment to the product in embodiment 4, each performance value is as shown in table 1
Embodiment 5
Each ingredient names and each composition weight number as follows:
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 2.
Carry out performance detection experiment to the product in embodiment 5, each performance value is as shown in table 1.
Embodiment 6.
Each ingredient names and each composition weight number as follows:
The preparation method of above-mentioned CABLE MATERIALS is identical with embodiment 2.
Carry out performance detection experiment to the product in embodiment 6, each performance value is as shown in table 1.
Table 1 embodiment product performance test result
The foregoing is only preferred embodiment of the present invention, and be not used to limit substantial technological context of the present invention, substantial technological content of the present invention is broadly defined in the right of application, any technology entities that other people complete or method, if with application right define identical, also or a kind of change of equivalence, be all covered by being regarded as within this right.
Claims (8)
1. Graphene modification low-smoke halogen-free flame-retardant sheath material, is characterized in that, each component and the parts by weight of described Graphene modification low-smoke halogen-free flame-retardant sheath material are as follows:
Described base resin comprises following component: ethylene-vinyl acetate (EVA) multipolymer, linear low density of polyethylene (LLDPE), ethylene-butene copolymer (POE) and three's weight ratio is 60 ~ 75:10 ~ 20:10 ~ 20;
Described fire retardant is aluminium hydroxide;
Described coupling agent is vinyltriethoxysilane;
Described lubricant is silicone master batch.
2. Graphene modification low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, it is characterized in that, the melting index of described ethylene-vinyl acetate (EVA) multipolymer is: 2 ~ 6g/10min, measures with GB/T368-2000 method; Wherein vinyl acetate with the mass percentage of the total weight of ethylene-vinyl acetate (EVA) multipolymer is: 10 ~ 30%.
3. Graphene modification low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, it is characterized in that, the melting index of described linear low density of polyethylene (LLDPE) is: 1 ~ 3g/10min, measures with GB/T3682-2000 method.
4. Graphene modification low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, it is characterized in that, the melting index of ethylene-butene copolymer (POE) is: 2 ~ 5g/10min, measures with GB/T3682-2000 method.
5. Graphene modification low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, it is characterized in that, the median particle diameter of described aluminium hydroxide is 1.25 ~ 1.65 μm, and specific surface area is 4-6m
2/ g.
6. Graphene modification low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, it is characterized in that, described oxidation inhibitor is antioxidant 1010.
7. Graphene modification low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, it is characterized in that, in described silicone master batch, the number-average molecular weight of siloxanes is 600,000 ~ 850,000.
8. the preparation method of a kind of Graphene modification low-smoke halogen-free flame-retardant sheath material described in any one of claim 1 to 7 claim, it is characterized in that, fire retardant, coupling agent, Graphene, oxidation inhibitor are proportionally mixed to temperature to 70 DEG C ± 5 DEG C, discharging is placed, with other components by proportioning extruding pelletization, obtain described a kind of Graphene modification low-smoke halogen-free flame-retardant sheath material.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106279955A (en) * | 2016-08-18 | 2017-01-04 | 江苏上上电缆集团有限公司 | A kind of high-flame-retardance low-smoke halogen-free cable material of graphene-containing and preparation method thereof |
| CN107815003A (en) * | 2017-11-14 | 2018-03-20 | 河南胜华电缆集团有限公司 | A kind of high insulating refractory polyolefin/graphene semiconductive composite and preparation method thereof |
| CN108192263A (en) * | 2017-12-29 | 2018-06-22 | 上海至正道化高分子材料股份有限公司 | Elevator trailing cable graphene synergistic fire retardant polyolefin cable protective cover material and preparation method |
| CN108794871A (en) * | 2018-03-29 | 2018-11-13 | 浙江工业大学之江学院 | A kind of lightweight CABLE MATERIALS and preparation method thereof of addition graphene |
| CN109880204A (en) * | 2019-01-15 | 2019-06-14 | 上海凯波特种电缆料厂有限公司 | Modified low smoke halogen-free flame-retardant polyolefin semiconductive material of a kind of graphene and preparation method thereof |
| CN109988463A (en) * | 2019-03-13 | 2019-07-09 | 深圳市骏丰木链网科技股份有限公司 | A kind of fire proofing covering wall |
| CN112940437A (en) * | 2021-02-05 | 2021-06-11 | 杭州卓时新材料有限公司 | Anti-cracking flame-retardant wire material and preparation method thereof |
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Cited By (8)
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| CN106279955A (en) * | 2016-08-18 | 2017-01-04 | 江苏上上电缆集团有限公司 | A kind of high-flame-retardance low-smoke halogen-free cable material of graphene-containing and preparation method thereof |
| CN107815003A (en) * | 2017-11-14 | 2018-03-20 | 河南胜华电缆集团有限公司 | A kind of high insulating refractory polyolefin/graphene semiconductive composite and preparation method thereof |
| CN108192263A (en) * | 2017-12-29 | 2018-06-22 | 上海至正道化高分子材料股份有限公司 | Elevator trailing cable graphene synergistic fire retardant polyolefin cable protective cover material and preparation method |
| CN108192263B (en) * | 2017-12-29 | 2021-02-26 | 上海至正新材料有限公司 | Graphene synergistic flame-retardant polyolefin cable sheath material for elevator traveling cable and preparation method thereof |
| CN108794871A (en) * | 2018-03-29 | 2018-11-13 | 浙江工业大学之江学院 | A kind of lightweight CABLE MATERIALS and preparation method thereof of addition graphene |
| CN109880204A (en) * | 2019-01-15 | 2019-06-14 | 上海凯波特种电缆料厂有限公司 | Modified low smoke halogen-free flame-retardant polyolefin semiconductive material of a kind of graphene and preparation method thereof |
| CN109988463A (en) * | 2019-03-13 | 2019-07-09 | 深圳市骏丰木链网科技股份有限公司 | A kind of fire proofing covering wall |
| CN112940437A (en) * | 2021-02-05 | 2021-06-11 | 杭州卓时新材料有限公司 | Anti-cracking flame-retardant wire material and preparation method thereof |
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Application publication date: 20160406 |