CN112375295A - Formula of heat-resistant low-smoke halogen-free cable material - Google Patents
Formula of heat-resistant low-smoke halogen-free cable material Download PDFInfo
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- CN112375295A CN112375295A CN202011348370.6A CN202011348370A CN112375295A CN 112375295 A CN112375295 A CN 112375295A CN 202011348370 A CN202011348370 A CN 202011348370A CN 112375295 A CN112375295 A CN 112375295A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
-
- 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
-
- 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
-
- 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
- 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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
Abstract
The invention discloses a formula of a heat-resistant low-smoke halogen-free cable material, which comprises the following components of 20-30 parts of high polymer polypropylene, 10-15 parts of ethylene-vinyl acetate copolymer, 5-12 parts of magnesium hydroxide, 20-30 parts of aluminum hydroxide, 2-15 parts of isobutyl triethoxy silicon, 0.5-4 parts of polyethylene wax, 1-5 parts of polyurethane, 1-10 parts of polyimide gum, 0.1-1 part of secondary diarylamine, 0.2-1 part of oleamide, 2-5 parts of melamine cyanurate, 2-8 parts of fluorophosphite, 2-8 parts of maleic anhydride grafted polyolefin and 10-25 parts of calcium carbonate. The formula of the heat-resistant low-smoke halogen-free cable material disclosed by the invention belongs to the field of cable materials, and the heat resistance and flame retardance of the low-smoke halogen-free cable are improved by adding the ethylene-vinyl acetate copolymer, the magnesium hydroxide, the aluminum hydroxide flame retardant and the calcium carbonate into the formula, and the low-smoke halogen-free cable material also has improved processability, mechanical strength, heat aging resistance and insulativity, so that the practicability of the low-smoke halogen-free cable is finally improved.
Description
Technical Field
The invention relates to the field of cable materials, in particular to a formula of a heat-resistant low-smoke halogen-free cable material.
Background
LSZH, LSOH, LS0H, LSFH and OHLS are short for short, which are the material classification of wire sheaths in the wire and cable industry, the low-smoke halogen-free wire sheath is composed of thermoplastic or thermosetting which has low smoke discharge when heated and does not contain halogen, most of the network wire coating layers are composed of polyethylene, polyvinyl chloride or thermoplastic polyurethane, if the sheath is on fire, the chlorine-containing plastic can release poisonous hydrogen chloride, if water can generate hydrochloric acid, the low-smoke halogen-free material can not release hydrogen halide or other acids when on fire, the low-smoke halogen-free material can reduce the poisonous and corrosive gases generated when the sheath is on fire, if the sheath is in the environment with poor ventilation such as plane, train carriage or ship, the low-smoke halogen-free material can be used frequently, the low-smoke halogen-free material is also commonly used in the railway industry because there is a high-voltage line or a signal line for transmitting the position of the train under the railway, the use of the low-smoke halogen-free material also reduces the toxic gas accumulated when the line is damaged due to fire or short circuit, such as in the railway industry or the shipbuilding industry, wherein the important requirement is to protect personnel and equipment from contacting toxic and corrosive gas, and the low-smoke halogen-free material is required to be used on the outer layer of the wire and cable in the occasions; however, the existing low-smoke halogen-free cable has poor heat resistance and flame retardance, so that the practicability of the low-smoke halogen-free cable is reduced.
Disclosure of Invention
The invention mainly aims to provide a formula of a heat-resistant low-smoke halogen-free cable material, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the formula of the heat-resistant low-smoke halogen-free cable material comprises the following components of high polymer polypropylene, ethylene-vinyl acetate copolymer, magnesium hydroxide, aluminum hydroxide, isobutyl triethoxy silicon, polyethylene wax, polyurethane, polyimide gum, secondary diarylamine, oleamide, melamine cyanurate, fluorophosphite, maleic anhydride grafted polyolefin and calcium carbonate, and the production process of the low-smoke halogen-free cable material comprises the following steps: the first step is as follows: weighing raw materials; the second step is that: banburying the raw materials weighed in the first step; the third step: shearing and kneading the material obtained in the second step; the fourth step: and extruding and granulating the material plasticized by the double-screw extruder in the third step.
Preferably, 20-30 parts of high polymer polypropylene, 10-15 parts of ethylene-vinyl acetate copolymer, 5-12 parts of magnesium hydroxide, 20-30 parts of aluminum hydroxide, 2-15 parts of isobutyl triethoxy silicon, 0.5-4 parts of polyethylene wax, 1-5 parts of polyurethane, 1-10 parts of polyimide adhesive, 0.1-1 part of secondary diarylamine, 0.2-1 part of oleamide, 2-5 parts of melamine cyanurate, 2-8 parts of fluorophosphite, 2-8 parts of maleic anhydride grafted polyolefin and 10-25 parts of calcium carbonate.
Compared with the prior art, the invention has the following beneficial effects:
by adding the ethylene-vinyl acetate copolymer, the magnesium hydroxide, the aluminum hydroxide flame retardant and the calcium carbonate into the formula, the heat resistance and the flame retardance of the low-smoke halogen-free cable are improved, and meanwhile, the low-smoke halogen-free cable also has improved processability, mechanical strength, heat aging resistance and insulativity, so that the practicability of the low-smoke halogen-free cable is finally improved.
Detailed Description
Example 1:
the invention relates to a formula of a heat-resistant low-smoke halogen-free cable material, which is prepared from the following components in parts by weight:
20 parts of high polymer polypropylene, 10 parts of ethylene-vinyl acetate copolymer, 5 parts of magnesium hydroxide, 20 parts of aluminum hydroxide, 25 parts of isobutyl triethoxy silicon, 0.5 part of polyethylene wax, 1 part of polyurethane, 1 part of polyimide gum, 0.1 part of secondary diarylamine, 0.2 part of oleamide, 2 parts of melamine cyanurate, 2 parts of fluorophosphite, 2 parts of maleic anhydride grafted polyolefin and 10 parts of calcium carbonate.
The first step is as follows: weighing high polymer polypropylene, ethylene-vinyl acetate copolymer, magnesium hydroxide, aluminum hydroxide, isobutyl triethoxy silicon, polyethylene wax, polyurethane, polyimide gum, secondary diarylamine, oleamide, melamine cyanurate, fluorophosphite, maleic anhydride grafted polyolefin and calcium carbonate according to parts by weight;
the second step is that: putting the raw materials weighed in the first step into an internal mixer for banburying;
the third step: putting the material obtained in the second step into a double-screw extruder for shearing and kneading;
the fourth step: and (3) putting the material plasticized by the double-screw extruder in the third step into a single-screw extruder for extrusion and granulation.
Example 2:
the invention relates to a formula of a heat-resistant low-smoke halogen-free cable material, which is prepared from the following components in parts by weight:
22 parts of high polymer polypropylene, 11 parts of ethylene-vinyl acetate copolymer, 6 parts of magnesium hydroxide, 22 parts of aluminum hydroxide, 3 parts of isobutyl triethoxy silicon, 1 part of polyethylene wax, 2 parts of polyurethane, 2 parts of polyimide glue, 0.2 part of secondary diarylamine, 0.3 part of oleamide, 2.5 parts of melamine cyanurate, 3 parts of fluorophosphite, 3 parts of maleic anhydride grafted polyolefin and 12 parts of calcium carbonate.
The first step is as follows: weighing high polymer polypropylene, ethylene-vinyl acetate copolymer, magnesium hydroxide, aluminum hydroxide, isobutyl triethoxy silicon, polyethylene wax, polyurethane, polyimide gum, secondary diarylamine, oleamide, melamine cyanurate, fluorophosphite, maleic anhydride grafted polyolefin and calcium carbonate according to parts by weight;
the second step is that: putting the raw materials weighed in the first step into an internal mixer for banburying;
the third step: putting the material obtained in the second step into a double-screw extruder for shearing and kneading;
the fourth step: and (3) putting the material plasticized by the double-screw extruder in the third step into a single-screw extruder for extrusion and granulation.
Example 3:
the invention relates to a formula of a heat-resistant low-smoke halogen-free cable material, which is prepared from the following components in parts by weight:
25 parts of high polymer polypropylene, 12 parts of ethylene-vinyl acetate copolymer, 7 parts of magnesium hydroxide, 25 parts of aluminum hydroxide, 4 parts of isobutyl triethoxy silicon, 1.5 parts of polyethylene wax, 3 parts of polyurethane, 3 parts of polyimide gum, 0.3 part of secondary diarylamine, 0.4 part of oleamide, 3 parts of melamine cyanurate, 4 parts of fluorophosphite, 4 parts of maleic anhydride grafted polyolefin and 15 parts of calcium carbonate.
The first step is as follows: weighing high polymer polypropylene, ethylene-vinyl acetate copolymer, magnesium hydroxide, aluminum hydroxide, isobutyl triethoxy silicon, polyethylene wax, polyurethane, polyimide gum, secondary diarylamine, oleamide, melamine cyanurate, fluorophosphite, maleic anhydride grafted polyolefin and calcium carbonate according to parts by weight;
the second step is that: putting the raw materials weighed in the first step into an internal mixer for banburying;
the third step: putting the material obtained in the second step into a double-screw extruder for shearing and kneading;
the fourth step: and (3) putting the material plasticized by the double-screw extruder in the third step into a single-screw extruder for extrusion and granulation.
Example 4:
the invention relates to a formula of a heat-resistant low-smoke halogen-free cable material, which is prepared from the following components in parts by weight:
28 parts of high polymer polypropylene, 13 parts of ethylene-vinyl acetate copolymer, 8 parts of magnesium hydroxide, 26 parts of aluminum hydroxide, 5 parts of isobutyl triethoxy silicon, 2 parts of polyethylene wax, 4 parts of polyurethane, 4 parts of polyimide glue, 0.4 part of secondary diarylamine, 0.5 part of oleamide, 4 parts of melamine cyanurate, 5 parts of fluorophosphite, 5 parts of maleic anhydride grafted polyolefin and 22 parts of calcium carbonate.
The first step is as follows: weighing high polymer polypropylene, ethylene-vinyl acetate copolymer, magnesium hydroxide, aluminum hydroxide, isobutyl triethoxy silicon, polyethylene wax, polyurethane, polyimide gum, secondary diarylamine, oleamide, melamine cyanurate, fluorophosphite, maleic anhydride grafted polyolefin and calcium carbonate according to parts by weight;
the second step is that: putting the raw materials weighed in the first step into an internal mixer for banburying;
the third step: putting the material obtained in the second step into a double-screw extruder for shearing and kneading;
the fourth step: and (3) putting the material plasticized by the double-screw extruder in the third step into a single-screw extruder for extrusion and granulation.
Example 5:
the invention relates to a formula of a heat-resistant low-smoke halogen-free cable material, which is prepared from the following components in parts by weight:
30 parts of high polymer polypropylene, 15 parts of ethylene-vinyl acetate copolymer, 12 parts of magnesium hydroxide, 30 parts of aluminum hydroxide, 15 parts of isobutyl triethoxy silicon, 4 parts of polyethylene wax, 5 parts of polyurethane, 10 parts of polyimide adhesive, 1 part of secondary diarylamine, 1 part of oleamide, 5 parts of melamine cyanurate, 8 parts of fluorophosphite, 8 parts of maleic anhydride grafted polyolefin and 25 parts of calcium carbonate.
The first step is as follows: weighing high polymer polypropylene, ethylene-vinyl acetate copolymer, magnesium hydroxide, aluminum hydroxide, isobutyl triethoxy silicon, polyethylene wax, polyurethane, polyimide gum, secondary diarylamine, oleamide, melamine cyanurate, fluorophosphite, maleic anhydride grafted polyolefin and calcium carbonate according to parts by weight;
the second step is that: putting the raw materials weighed in the first step into an internal mixer for banburying;
the third step: putting the material obtained in the second step into a double-screw extruder for shearing and kneading;
the fourth step: and (3) putting the material plasticized by the double-screw extruder in the third step into a single-screw extruder for extrusion and granulation.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The formula of the heat-resistant low-smoke halogen-free cable material is characterized in that: the formula comprises the following components of high polymer polypropylene, ethylene-vinyl acetate copolymer, magnesium hydroxide, aluminum hydroxide, isobutyl triethoxy silicon, polyethylene wax, polyurethane, polyimide gum, diaryl secondary amine, oleamide, melamine cyanurate, fluorophosphite, maleic anhydride grafted polyolefin and calcium carbonate, and the production process of the low-smoke zero-halogen cable material comprises the following steps: the first step is as follows: weighing raw materials; the second step is that: banburying the raw materials weighed in the first step; the third step: shearing and kneading the material obtained in the second step; the fourth step: and extruding and granulating the material plasticized by the double-screw extruder in the third step.
2. The formula of the heat-resistant low-smoke halogen-free cable material according to claim 1 is characterized in that: the formula comprises, by weight, 20-30 parts of high polymer polypropylene, 10-15 parts of ethylene-vinyl acetate copolymer, 5-12 parts of magnesium hydroxide, 20-30 parts of aluminum hydroxide, 2-15 parts of isobutyl triethoxy silicon, 0.5-4 parts of polyethylene wax, 1-5 parts of polyurethane, 1-10 parts of polyimide glue, 0.1-1 part of secondary diarylamine, 0.2-1 part of oleamide, 2-5 parts of melamine cyanurate, 2-8 parts of fluorophosphite, 2-8 parts of maleic anhydride grafted polyolefin and 10-25 parts of calcium carbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011348370.6A CN112375295A (en) | 2020-11-26 | 2020-11-26 | Formula of heat-resistant low-smoke halogen-free cable material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011348370.6A CN112375295A (en) | 2020-11-26 | 2020-11-26 | Formula of heat-resistant low-smoke halogen-free cable material |
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| CN112375295A true CN112375295A (en) | 2021-02-19 |
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| CN202011348370.6A Pending CN112375295A (en) | 2020-11-26 | 2020-11-26 | Formula of heat-resistant low-smoke halogen-free cable material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399388A (en) * | 2011-10-17 | 2012-04-04 | 宝应宝洲电缆材料厂 | Method for preparing low-smoke halogen-free flame-retardant cable material containing plastic compatilizer |
| CN103524866A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-voltage transformer substation cable insulating sheath material and preparation method thereof |
| CN104987644A (en) * | 2015-07-22 | 2015-10-21 | 深圳瑞亚达科技有限公司 | Precipitation-resistant halogen-free flame-retardant wire and cable material free of phosphine and preparation method therefor |
-
2020
- 2020-11-26 CN CN202011348370.6A patent/CN112375295A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399388A (en) * | 2011-10-17 | 2012-04-04 | 宝应宝洲电缆材料厂 | Method for preparing low-smoke halogen-free flame-retardant cable material containing plastic compatilizer |
| CN103524866A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-voltage transformer substation cable insulating sheath material and preparation method thereof |
| CN104987644A (en) * | 2015-07-22 | 2015-10-21 | 深圳瑞亚达科技有限公司 | Precipitation-resistant halogen-free flame-retardant wire and cable material free of phosphine and preparation method therefor |
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