CN108864549A - A kind of low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof - Google Patents
A kind of low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof Download PDFInfo
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- CN108864549A CN108864549A CN201810814484.1A CN201810814484A CN108864549A CN 108864549 A CN108864549 A CN 108864549A CN 201810814484 A CN201810814484 A CN 201810814484A CN 108864549 A CN108864549 A CN 108864549A
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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
- C08L23/06—Polyethene
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- 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
- C08K2201/011—Nanostructured additives
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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
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Insulated Conductors (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of low smoke halogen-free fire retardant polyolefin cable materials, are composed of the following raw materials in parts by weight：50-55 parts of polyethylene, 20-25 parts of ethylene-vinyl acetate copolymer, 10-12 parts of trioctyl trimellitate (TOTM), 15-18 parts of aluminium hydroxide, 4-5 parts of magnesium hydroxide, 5-6 parts of triphenyl phosphate, 6-10 parts of ammonium polyphosphate, 12-14 parts of nanometer calcium carbonate, 6-8 parts of montmorillonite, 5-8 parts of mica powder, 4-5 parts of chlorinated paraffin, 10-12 parts of plasticizer, 0.6-0.8 parts and vinyl silanes 1-1.5 parts of antioxidant.Low smoke halogen-free fire retardant polyolefin cable material of the present invention significantly improves the flame retardant property of CABLE MATERIALS while smokeless when guaranteeing burning.The present invention also provides the preparation method of the low smoke halogen-free fire retardant polyolefin cable material, design is scientific and reasonable for the preparation method simply, easy to operate, it can be achieved that large-scale industrial production.
Description
Technical field
The invention belongs to CABLE MATERIALS technical fields, more particularly to a kind of low smoke halogen-free fire retardant polyolefin cable material and its system
Preparation Method.
Background technique
Cable is mainly composed of cable core, insulating layer and sheath, wherein insulating layer and sheath main purpose be in order to
The cable core in cable is protected, it is made to guarantee normal transmitting effect.And the insulating layer and sheath of cable are referred to as electricity with plastics
Cable material, therefore the quality of CABLE MATERIALS performance directly affects the superiority and inferiority of cable quality.
It is fire-retardant to wire and cable to propose various fire-retardant requirements with popularizing for flame retarded polymeric material.In preparation nothing
It is frequently necessary to flame retardant property high halogen-free low-smoke flame-resistant polyolefin cable material when halogen low-smoke fireproof cable and meets A to reach, B, C class
Bunchy flame retardant effect；But in the prior art since fire proofing is single, cable can not only generate a large amount of smog in use
And toxic gas, but also cable performance can be reduced because of dehydration, so that the resistance combustion temperature and duration of fire resistance of cable are influenced,
Flame retardant effect is poor.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of low smoke halogen-free fire retardant polyolefin cable materials；This
Invention additionally provides the preparation method of the low smoke halogen-free fire retardant polyolefin cable material.
The technical solution adopted by the present invention is that：
A kind of low smoke halogen-free fire retardant polyolefin cable material, is composed of the following raw materials in parts by weight：50-55 parts of polyethylene, second
Alkene -20-25 parts of vinyl acetate co-polymer, 10-12 parts of trioctyl trimellitate (TOTM), 15-18 parts of aluminium hydroxide, magnesium hydroxide 4-5
Part, 5-6 parts of triphenyl phosphate, 6-10 parts of ammonium polyphosphate, 12-14 parts of nanometer calcium carbonate, 6-8 parts of montmorillonite, 5-8 parts of mica powder,
4-5 parts of chlorinated paraffin, 10-12 parts of plasticizer, 0.6-0.8 parts and vinyl silanes 1-1.5 parts of antioxidant.
Low smoke halogen-free fire retardant polyolefin cable material of the present invention, wherein be composed of the following raw materials in parts by weight：Poly- second
50 parts of alkene, 25 parts of ethylene-vinyl acetate copolymer, 12 parts of trioctyl trimellitate (TOTM), 18 parts of aluminium hydroxide, 4 parts of magnesium hydroxide,
6 parts of triphenyl phosphate, 6 parts of ammonium polyphosphate, 12 parts of nanometer calcium carbonate, 8 parts of montmorillonite, 8 parts of mica powder, 4 parts of chlorinated paraffin, plasticising
12 parts of agent, 0.6 part and 1 part of vinyl silanes of antioxidant.
Low smoke halogen-free fire retardant polyolefin cable material of the present invention, wherein be composed of the following raw materials in parts by weight：Poly- second
65 parts of alkene, 20 parts of ethylene-vinyl acetate copolymer, 10 parts of trioctyl trimellitate (TOTM), 15 parts of aluminium hydroxide, 5 parts of magnesium hydroxide,
5 parts of triphenyl phosphate, 12 parts of ammonium polyphosphate, 14 parts of nanometer calcium carbonate, 6 parts of montmorillonite, 5 parts of mica powder, 5 parts of chlorinated paraffin, increase
10 parts of agent of modeling, 0.8 part and 1.5 parts of vinyl silanes of antioxidant.
Low smoke halogen-free fire retardant polyolefin cable material of the present invention, wherein the plasticizer is that phthalic acid two is pungent
Ester or diisopropyl phthalate.
Low smoke halogen-free fire retardant polyolefin cable material of the present invention, wherein the antioxidant is that three (nonyl phenyl) are sub-
Phosphate.
The preparation method of low smoke halogen-free fire retardant polyolefin cable material of the present invention, includes the following steps：
(1) prepare raw material according to the ratio, open mixing electromechanical source, 110-120 DEG C is preheated to, by polyethylene and ethyl vinyl acetate
Vinyl ester copolymers are added in mixer, and low speed mixing 2-5min obtains mixture；
(2) trioctyl trimellitate (TOTM), aluminium hydroxide, hydrogen then are sequentially added into mixer described in step (1)
Magnesia, triphenyl phosphate, ammonium polyphosphate, nanometer calcium carbonate, montmorillonite, mica powder, chlorinated paraffin, plasticizer, antioxidant
And vinyl silanes, continue mixing 9-10min, obtains mixing mixture；
(3) by mixing mixture described in step (2) to force taper feeding manner to feed single screw extrusion machine, single screw rod
The extrusion temperature of extruder is 100-105 DEG C, squeezes out through single screw extrusion machine and carries out pelletizing；
(4) product is can be obtained into through air-cooled, screening magnetic separation, metering, packaging in pelletizing in step (3).
Beneficial effect of the present invention：
Low smoke halogen-free fire retardant polyolefin cable material of the present invention, by adding the aluminium hydroxide being halogen-free, hydrogen-oxygen
Change magnesium, triphenyl phosphate and ammonium polyphosphate, by the synergistic effect of each component, is significantly improved while smokeless when guaranteeing burning
The flame retardant property of CABLE MATERIALS；Nanometer calcium carbonate, montmorillonite and the addition of mica powder can be enhanced CABLE MATERIALS mechanical strength and
Tensile strength expands the scope of application of CABLE MATERIALS.
The preparation method of low smoke halogen-free fire retardant polyolefin cable material of the present invention, design is scientific and reasonable for the preparation method
Simply, easy to operate, it can be achieved that large-scale industrial production.
Below in conjunction with specific embodiment, the invention will be further described.
Specific embodiment
Embodiment 1
A kind of low smoke halogen-free fire retardant polyolefin cable material, is composed of the following raw materials in parts by weight：50 parts of polyethylene, ethylene-
25 parts of vinyl acetate co-polymer, 12 parts of trioctyl trimellitate (TOTM), 18 parts of aluminium hydroxide, 4 parts of magnesium hydroxide, triphenyl phosphate 6
Part, 6 parts of ammonium polyphosphate, 12 parts of nanometer calcium carbonate, 8 parts of montmorillonite, 8 parts of mica powder, 4 parts of chlorinated paraffin, 12 parts of plasticizer, antioxygen
0.6 part and 1 part of vinyl silanes of agent；The plasticizer is dioctyl phthalate；The antioxidant is three (nonyl benzenes
Base) phosphite ester.
The preparation method of low smoke halogen-free fire retardant polyolefin cable material described in the present embodiment, includes the following steps：
(1) prepare raw material according to the ratio, open mixing electromechanical source, 120 DEG C are preheated to, by polyethylene and ethene-vinyl acetate
Ester copolymer is added in mixer, and low speed mixing 5min obtains mixture；
(2) trioctyl trimellitate (TOTM), aluminium hydroxide, hydrogen then are sequentially added into mixer described in step (1)
Magnesia, triphenyl phosphate, ammonium polyphosphate, nanometer calcium carbonate, montmorillonite, mica powder, chlorinated paraffin, plasticizer, antioxidant
And vinyl silanes, continue mixing 9min, obtains mixing mixture；
(3) by mixing mixture described in step (2) to force taper feeding manner to feed single screw extrusion machine, single screw rod
The extrusion temperature of extruder is 100-105 DEG C, squeezes out through single screw extrusion machine and carries out pelletizing；
(4) product is can be obtained into through air-cooled, screening magnetic separation, metering, packaging in pelletizing in step (3).
The CABLE MATERIALS tensile strength of the present embodiment is 17.1MPa after tested, and elongation at break 369%, oxygen index (OI) is
41%.
Embodiment 2
A kind of low smoke halogen-free fire retardant polyolefin cable material, is composed of the following raw materials in parts by weight：By the original of following parts by weight
Material composition：65 parts of polyethylene, 20 parts of ethylene-vinyl acetate copolymer, 10 parts of trioctyl trimellitate (TOTM), 15 parts of aluminium hydroxide,
5 parts of magnesium hydroxide, 5 parts of triphenyl phosphate, 12 parts of ammonium polyphosphate, 14 parts of nanometer calcium carbonate, 6 parts of montmorillonite, 5 parts of mica powder, chlorine
5 parts of fossil waxes, 10 parts of plasticizer, 0.8 part and 1.5 parts of vinyl silanes of antioxidant.
The preparation method of low smoke halogen-free fire retardant polyolefin cable material described in the present embodiment, includes the following steps：
(1) prepare raw material according to the ratio, open mixing electromechanical source, 110 DEG C are preheated to, by polyethylene and ethene-vinyl acetate
Ester copolymer is added in mixer, and low speed mixing 2min obtains mixture；
(2) trioctyl trimellitate (TOTM), aluminium hydroxide, hydrogen then are sequentially added into mixer described in step (1)
Magnesia, triphenyl phosphate, ammonium polyphosphate, nanometer calcium carbonate, montmorillonite, mica powder, chlorinated paraffin, plasticizer, antioxidant
And vinyl silanes, continue mixing 10min, obtains mixing mixture；
(3) by mixing mixture described in step (2) to force taper feeding manner to feed single screw extrusion machine, single screw rod
The extrusion temperature of extruder is 100-105 DEG C, squeezes out through single screw extrusion machine and carries out pelletizing；
(4) product is can be obtained into through air-cooled, screening magnetic separation, metering, packaging in pelletizing in step (3).
The CABLE MATERIALS tensile strength of the present embodiment is 16.8MPa after tested, and elongation at break 361%, oxygen index (OI) is
39%.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (6)
1. a kind of low smoke halogen-free fire retardant polyolefin cable material, it is characterised in that：It is composed of the following raw materials in parts by weight：Polyethylene
50-55 parts, 20-25 parts of ethylene-vinyl acetate copolymer, 10-12 parts of trioctyl trimellitate (TOTM), 15-18 parts of aluminium hydroxide, hydrogen
4-5 parts of magnesia, 5-6 parts of triphenyl phosphate, 6-10 parts of ammonium polyphosphate, 12-14 parts of nanometer calcium carbonate, 6-8 parts of montmorillonite, mica
5-8 parts of powder, 4-5 parts of chlorinated paraffin, 10-12 parts of plasticizer, 0.6-0.8 parts and vinyl silanes 1-1.5 parts of antioxidant.
2. low smoke halogen-free fire retardant polyolefin cable material according to claim 1, it is characterised in that：By the original of following parts by weight
Material composition：50 parts of polyethylene, 25 parts of ethylene-vinyl acetate copolymer, 12 parts of trioctyl trimellitate (TOTM), 18 parts of aluminium hydroxide,
4 parts of magnesium hydroxide, 6 parts of triphenyl phosphate, 6 parts of ammonium polyphosphate, 12 parts of nanometer calcium carbonate, 8 parts of montmorillonite, 8 parts of mica powder, chlorination
4 parts of paraffin, 12 parts of plasticizer, 0.6 part and 1 part of vinyl silanes of antioxidant.
3. low smoke halogen-free fire retardant polyolefin cable material according to claim 1, it is characterised in that：By the original of following parts by weight
Material composition：It is composed of the following raw materials in parts by weight：65 parts of polyethylene, 20 parts of ethylene-vinyl acetate copolymer, tri trimellitate
10 parts of monooctyl ester, 15 parts of aluminium hydroxide, 5 parts of magnesium hydroxide, 5 parts of triphenyl phosphate, 12 parts of ammonium polyphosphate, 14 parts of nanometer calcium carbonate,
6 parts of montmorillonite, 5 parts of mica powder, 5 parts of chlorinated paraffin, 10 parts of plasticizer, 0.8 part and 1.5 parts of vinyl silanes of antioxidant.
4. low smoke halogen-free fire retardant polyolefin cable material according to claim 1, it is characterised in that：The plasticizer is adjacent benzene
Diformazan dioctyl phthalate or diisopropyl phthalate.
5. low smoke halogen-free fire retardant polyolefin cable material according to any one of claims 1-4, it is characterised in that：It is described anti-
Oxygen agent is three (nonyl phenyl) phosphite esters.
6. the preparation method of low smoke halogen-free fire retardant polyolefin cable material described in claim 1-5 any one, it is characterised in that：
Include the following steps：
(1) prepare raw material according to the ratio, open mixing electromechanical source, 110-120 DEG C is preheated to, by polyethylene and ethene-vinyl acetate
Ester copolymer is added in mixer, and low speed mixing 2-5min obtains mixture；
(2) trioctyl trimellitate (TOTM), aluminium hydroxide, hydroxide then are sequentially added into mixer described in step (1)
Magnesium, triphenyl phosphate, ammonium polyphosphate, nanometer calcium carbonate, montmorillonite, mica powder, chlorinated paraffin, plasticizer, antioxidant and second
Alkenyl silanes continue mixing 9-10min, obtain mixing mixture；
(3) by mixing mixture described in step (2) to force taper feeding manner to feed single screw extrusion machine, single screw rod is squeezed out
The extrusion temperature of machine is 100-105 DEG C, squeezes out through single screw extrusion machine and carries out pelletizing；
(4) product is can be obtained into through air-cooled, screening magnetic separation, metering, packaging in pelletizing in step (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810814484.1A CN108864549A (en) | 2018-07-23 | 2018-07-23 | A kind of low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof |
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| CN201810814484.1A CN108864549A (en) | 2018-07-23 | 2018-07-23 | A kind of low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109749200A (en) * | 2018-12-29 | 2019-05-14 | 安徽天康(集团)股份有限公司 | A kind of middle-high voltage power cable |
| CN110092975A (en) * | 2019-04-03 | 2019-08-06 | 上海新益电力线路器材有限公司 | Insulation Material, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method |
| CN111690192A (en) * | 2019-03-11 | 2020-09-22 | 壮山川电业制品(昆山)有限公司 | Preparation method of cable insulating material |
| CN112480513A (en) * | 2020-11-26 | 2021-03-12 | 湖南科森高分子材料科技有限公司 | Flame-retardant low-smoke halogen-free cable material and preparation method thereof |
| CN113788999A (en) * | 2021-08-23 | 2021-12-14 | 南京工程学院 | High-flame-retardant cold-resistant low-smoke halogen-free cable material and preparation process thereof |
| CN118006030A (en) * | 2024-04-08 | 2024-05-10 | 拓柔电缆(上海)有限公司 | Low-smoke halogen-free flat cable sheath and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109749200A (en) * | 2018-12-29 | 2019-05-14 | 安徽天康(集团)股份有限公司 | A kind of middle-high voltage power cable |
| CN111690192A (en) * | 2019-03-11 | 2020-09-22 | 壮山川电业制品(昆山)有限公司 | Preparation method of cable insulating material |
| CN110092975A (en) * | 2019-04-03 | 2019-08-06 | 上海新益电力线路器材有限公司 | Insulation Material, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method |
| CN112480513A (en) * | 2020-11-26 | 2021-03-12 | 湖南科森高分子材料科技有限公司 | Flame-retardant low-smoke halogen-free cable material and preparation method thereof |
| CN113788999A (en) * | 2021-08-23 | 2021-12-14 | 南京工程学院 | High-flame-retardant cold-resistant low-smoke halogen-free cable material and preparation process thereof |
| CN118006030A (en) * | 2024-04-08 | 2024-05-10 | 拓柔电缆(上海)有限公司 | Low-smoke halogen-free flat cable sheath and preparation method thereof |
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