CN106280004A - 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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- CN106280004A CN106280004A CN201610782738.7A CN201610782738A CN106280004A CN 106280004 A CN106280004 A CN 106280004A CN 201610782738 A CN201610782738 A CN 201610782738A CN 106280004 A CN106280004 A CN 106280004A
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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
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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
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
The invention discloses a kind of low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof, this CABLE MATERIALS includes the raw material of following weight portion: polyolefin 40～80 parts, aluminium hydroxide 5～10 parts, magnesium hydroxide 3～6 parts, triphenyl phosphate 2～8 parts, to dibenzyl biphosphonate 6～12 parts, calcium carbonate 10～15 parts, potter's clay 5～10 parts, sericite in powder 5～10 parts, metasilicate pentahydrate sodium 4～8 parts, plasticizer 10～12 parts, chlorinated paraffin 3～6 parts, antioxidant 0.5～1 part, cross-linking agent 1～4 parts, coloring agent 6～10 parts, the preparation method of this CABLE MATERIALS comprises the following steps: S1: preheating banbury, add polyolefin, carry out banburying and obtain major ingredient；S2: add other auxiliary agents, continues banburying and obtains compound；S3: extruded, molding, discharging, packaging get product.The CABLE MATERIALS that the present invention proposes, low cigarette, Halogen, insulating properties, chemical-resistant and good flame resistance, mechanical strength and tensile strength are high, and production cost is low.
Description
Technical field
The present invention relates to cable material technical field, particularly relate to a kind of low smoke halogen-free fire retardant polyolefin cable material and system thereof
Preparation Method.
Background technology
Cable is mainly combined by cable core, insulating barrier and sheath, wherein insulating barrier and sheath main purpose be in order to
Cable core in protection cable so that it is ensure normal transmitting effect.And the insulating barrier of cable and sheath plastics are referred to as electricity
Cable material, therefore the quality of CABLE MATERIALS performance directly affects the quality of cable quality.Cable material of polyolefin containing halogen is excellent because of it
Different insulating properties and anti-flammability are widely used in power cable field, solve asking of traditional CABLE MATERIALS fire resistance difference
Topic.But the cable material of polyolefin containing halogen can produce substantial amounts of smog when burning, a large amount of these smog that suck can make people
Suffocate, so when fire occurs, halogen-containing CABLE MATERIALS can increase the difficulty of fire disaster escaping and rescue.In addition, contain
Chemical resistance and the chemical stability of the cable material of polyolefin of halogen are poor, the cable core that long-time use is easy with internal
Or insulating barrier separates, cracking.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and a kind of low-smoke non-halogen flame-retardant proposed gathers
Alkene CABLE MATERIALS and preparation method thereof.
A kind of low smoke halogen-free fire retardant polyolefin cable material, including the raw material of following weight portion: polyolefin 40～80 parts, hydrogen-oxygen
Changing aluminum 5～10 parts, magnesium hydroxide 3～6 parts, triphenyl phosphate 2～8 parts, to dibenzyl biphosphonate 6～12 parts, calcium carbonate 10
～15 parts, potter's clay 5～10 parts, sericite in powder 5～10 parts, metasilicate pentahydrate sodium 4～8 parts, plasticizer 10～12 parts, chlorinated paraffin
3～6 parts, antioxidant 0.5～1 part, cross-linking agent 1～4 parts, coloring agent 6～10 parts.
Preferably, described a kind of low smoke halogen-free fire retardant polyolefin cable material, including the raw material of following weight portion: polyolefin
50～70 parts, aluminium hydroxide 6～10 parts, magnesium hydroxide 3～5 parts, triphenyl phosphate 4～6 parts, to dibenzyl biphosphonate 6～
10 parts, calcium carbonate 10～14 parts, potter's clay 6～10 parts, sericite in powder 5～8 parts, metasilicate pentahydrate sodium 4～8 parts, plasticizer 10～
12 parts, chlorinated paraffin 4～6 parts, antioxidant 0.5～1 part, cross-linking agent 2～4 parts, coloring agent 8～10 parts.
Preferably, described a kind of low smoke halogen-free fire retardant polyolefin cable material, including the raw material of following weight portion: polyolefin
60 parts, aluminium hydroxide 8 parts, 4 parts of magnesium hydroxide, triphenyl phosphate 5 parts, to dibenzyl biphosphonate 8 parts, calcium carbonate 12 parts, pottery
8 parts of soil, sericite in powder 7 parts, metasilicate pentahydrate sodium 6 parts, plasticizer 11 parts, chlorinated paraffin 5 parts, antioxidant 1 part, cross-linking agent 3
Part, coloring agent 9 parts.
Preferably, described polyolefin is the mixture of polyethylene, polypropylene and poly 1-butene, and polyethylene, polypropylene and
The weight part ratio of poly 1-butene is 1～3:2～4:1.
Preferably, described polyethylene is the mixture of high density polyethylene (HDPE) and Low Density Polyethylene, and high density polyethylene (HDPE)
It is 0.5～2:1 with the weight part ratio of Low Density Polyethylene.
Preferably, described plasticizer is dioctyl phthalate, diisopropyl phthalate and phthalic acid two
Any one or a few mixing in (2-Octyl Nitrite).
The invention allows for the preparation method of a kind of low smoke halogen-free fire retardant polyolefin cable material, comprise the following steps:
S1: opening banbury power supply, the preheating temperature arranging banbury is 100～120 DEG C, opens heating power supply, treats pre-
After hot temperature reaches, keep temperature and add the polyolefin of corresponding proportion, carrying out banburying 1～3min, obtain major ingredient；
S2: add the aluminium hydroxide of corresponding proportion, magnesium hydroxide, triphenyl phosphate, phosphorus double to dibenzyl in banbury
Acid esters, calcium carbonate, potter's clay, sericite in powder, metasilicate pentahydrate sodium, plasticizer, chlorinated paraffin, antioxidant, cross-linking agent and coloring
Agent, continues banburying 5～8min, obtains compound；
S3: the compound of above-mentioned preparation gets product through screw extruder extrusion, cooling molding, discharging, packaging again.
A kind of low smoke halogen-free fire retardant polyolefin cable material that the present invention proposes, it is main for using the most halogen-containing multiple polyolefin
Want raw material, make having complementary functions between major ingredient, complement each other, jointly make CABLE MATERIALS possess good insulating properties, chemical-resistant and
Chemical stability, the most easy to crack, service life is long, adds the most halogen-containing aluminium hydroxide, magnesium hydroxide, triphenyl phosphate and right
Dibenzyl biphosphonate as fire retardant, smokeless when ensureing burning while significantly improve the fire resistance of CABLE MATERIALS；Carbon
Acid calcium, the addition of potter's clay and sericite in powder can strengthen mechanical strength and the tensile strength of CABLE MATERIALS, expands the suitable of CABLE MATERIALS
By scope, reduce the production cost of CABLE MATERIALS simultaneously；And the invention allows for one and simply prepare low smoke and zero halogen resistance
The method of combustion cable material of polyolefin, adds the metasilicate pentahydrate sodium with lubricating function in the raw material of CABLE MATERIALS, makes CABLE MATERIALS
In preparation process, it is more easy to mixing, shortens the production time of CABLE MATERIALS.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is explained orally further.
Embodiment one
A kind of low smoke halogen-free fire retardant polyolefin cable material that the present invention proposes, including the raw material of following weight portion: high density
Polyethylene 10 parts, Low Density Polyethylene 10 parts, polypropylene 30 parts, poly 1-butene 10 parts, aluminium hydroxide 8 parts, 4 parts of magnesium hydroxide,
Triphenyl phosphate 5 parts, to dibenzyl biphosphonate 8 parts, calcium carbonate 12 parts, 8 parts of potter's clay, sericite in powder 7 parts, metasilicate pentahydrate sodium
6 parts, dioctyl phthalate 11 parts, chlorinated paraffin 5 parts, antioxidant 1 part, cross-linking agent 3 parts, coloring agent 9 parts.
Its preparation method, comprises the following steps:
S1: opening banbury power supply, the preheating temperature arranging banbury is 110 DEG C, opens heating power supply, temperature to be preheated
After reaching, keep temperature and add the high density polyethylene (HDPE) of corresponding proportion, Low Density Polyethylene, polypropylene and poly 1-butene, entering
Row banburying 2min, obtains major ingredient；
S2: add the aluminium hydroxide of corresponding proportion, magnesium hydroxide, triphenyl phosphate, phosphorus double to dibenzyl in banbury
Acid esters, calcium carbonate, potter's clay, sericite in powder, metasilicate pentahydrate sodium, dioctyl phthalate, chlorinated paraffin, antioxidant, hand over
Connection agent and coloring agent, continue banburying 6min, obtain compound；
S3: the compound of above-mentioned preparation gets product through screw extruder extrusion, cooling molding, discharging, packaging again.
Embodiment two
A kind of low smoke halogen-free fire retardant polyolefin cable material that the present invention proposes, including the raw material of following weight portion: high density
Polyethylene 20 parts, Low Density Polyethylene 10 parts, polypropylene 20 parts, poly 1-butene 10 parts, aluminium hydroxide 5 parts, 3 parts of magnesium hydroxide,
Triphenyl phosphate 6 parts, to dibenzyl biphosphonate 8 parts, calcium carbonate 15 parts, 8 parts of potter's clay, sericite in powder 7 parts, metasilicate pentahydrate sodium
7 parts, diisopropyl phthalate 10 parts, chlorinated paraffin 3 parts, antioxidant 0.5 part, cross-linking agent 2 parts, coloring agent 8 parts.
Its preparation method, comprises the following steps:
S1: opening banbury power supply, the preheating temperature arranging banbury is 100 DEG C, opens heating power supply, temperature to be preheated
After reaching, keep temperature and add the high density polyethylene (HDPE) of corresponding proportion, Low Density Polyethylene, polypropylene and poly 1-butene, entering
Row banburying 3min, obtains major ingredient；
S2: add the aluminium hydroxide of corresponding proportion, magnesium hydroxide, triphenyl phosphate, phosphorus double to dibenzyl in banbury
Acid esters, calcium carbonate, potter's clay, sericite in powder, metasilicate pentahydrate sodium, diisopropyl phthalate, chlorinated paraffin, antioxidant,
Cross-linking agent and coloring agent, continue banburying 5min, obtain compound；
S3: the compound of above-mentioned preparation gets product through screw extruder extrusion, cooling molding, discharging, packaging again.
Embodiment three
A kind of low smoke halogen-free fire retardant polyolefin cable material that the present invention proposes, including the raw material of following weight portion: high density
Polyethylene 10 parts, Low Density Polyethylene 20 parts, polypropylene 30 parts, poly 1-butene 15 parts, aluminium hydroxide 8 parts, 4 parts of magnesium hydroxide,
Triphenyl phosphate 2 parts, to dibenzyl biphosphonate 12 parts, calcium carbonate 15 parts, 5 parts of potter's clay, sericite in powder 5 parts, five water metasilicic acid
4 parts of sodium, phthalic acid two (2-Octyl Nitrite) 12 parts, chlorinated paraffin 4 parts, antioxidant 1 part, cross-linking agent 4 parts, coloring agent 6
Part.
Its preparation method, comprises the following steps:
S1: opening banbury power supply, the preheating temperature arranging banbury is 120 DEG C, opens heating power supply, temperature to be preheated
After reaching, keep temperature and add the high density polyethylene (HDPE) of corresponding proportion, Low Density Polyethylene, polypropylene and poly 1-butene, entering
Row banburying 1min, obtains major ingredient；
S2: add the aluminium hydroxide of corresponding proportion, magnesium hydroxide, triphenyl phosphate, phosphorus double to dibenzyl in banbury
Acid esters, calcium carbonate, potter's clay, sericite in powder, metasilicate pentahydrate sodium, phthalic acid two (2-Octyl Nitrite), chlorinated paraffin, antioxygen
Agent, cross-linking agent and coloring agent, continue banburying 8min, obtain compound；
S3: the compound of above-mentioned preparation gets product through screw extruder extrusion, cooling molding, discharging, packaging again.
Embodiment four
A kind of low smoke halogen-free fire retardant polyolefin cable material that the present invention proposes, including the raw material of following weight portion: high density
Polyethylene 5 parts, Low Density Polyethylene 5 parts, polypropylene 20 parts, poly 1-butene 10 parts, aluminium hydroxide 10 parts, 6 parts of magnesium hydroxide, three
Benzenephosphonic acid ester 8 parts, to dibenzyl biphosphonate 8 parts, calcium carbonate 12 parts, 10 parts of potter's clay, sericite in powder 10 parts, metasilicate pentahydrate sodium
6 parts, dioctyl phthalate 5 parts, 6 parts of chlorinated paraffins of diisopropyl phthalate 6 parts, antioxidant 1 part, cross-linking agent 1
Part, coloring agent 7 parts.
Its preparation method, comprises the following steps:
S1: opening banbury power supply, the preheating temperature arranging banbury is 110 DEG C, opens heating power supply, temperature to be preheated
After reaching, keep temperature and add the high density polyethylene (HDPE) of corresponding proportion, Low Density Polyethylene, polypropylene and poly 1-butene, entering
Row banburying 2min, obtains major ingredient；
S2: add the aluminium hydroxide of corresponding proportion, magnesium hydroxide, triphenyl phosphate, phosphorus double to dibenzyl in banbury
Acid esters, calcium carbonate, potter's clay, sericite in powder, metasilicate pentahydrate sodium, dioctyl phthalate, diisopropyl phthalate, chlorine
Fossil waxes, antioxidant, cross-linking agent and coloring agent, continue banburying 6min, obtain compound；
S3: the compound of above-mentioned preparation gets product through screw extruder extrusion, cooling molding, discharging, packaging again.
Embodiment five
A kind of low smoke halogen-free fire retardant polyolefin cable material that the present invention proposes, including the raw material of following weight portion: high density
Polyethylene 5 parts, Low Density Polyethylene 5 parts, polypropylene 20 parts, poly 1-butene 5 parts, aluminium hydroxide 8 parts, 6 parts of magnesium hydroxide, triphen
Phosphate ester 5 parts, to dibenzyl biphosphonate 6 parts, calcium carbonate 10 parts, 8 parts of potter's clay, sericite in powder 5 parts, metasilicate pentahydrate sodium 8 parts,
Dioctyl phthalate 11 parts, chlorinated paraffin 5 parts, antioxidant 0.5 part, cross-linking agent 3 parts, coloring agent 10 parts.
Its preparation method, comprises the following steps:
S1: opening banbury power supply, the preheating temperature arranging banbury is 120 DEG C, opens heating power supply, temperature to be preheated
After reaching, keep temperature and add the high density polyethylene (HDPE) of corresponding proportion, Low Density Polyethylene, polypropylene and poly 1-butene, entering
Row banburying 3min, obtains major ingredient；
S2: add the aluminium hydroxide of corresponding proportion, magnesium hydroxide, triphenyl phosphate, phosphorus double to dibenzyl in banbury
Acid esters, calcium carbonate, potter's clay, sericite in powder, metasilicate pentahydrate sodium, dioctyl phthalate, chlorinated paraffin, antioxidant, hand over
Connection agent and coloring agent, continue banburying 8min, obtain compound；
S3: the compound of above-mentioned preparation gets product through screw extruder extrusion, cooling molding, discharging, packaging again.
CABLE MATERIALS prepared by above-described embodiment one～five being tested following performance, test result is as follows:
Above-mentioned test result shows, the CABLE MATERIALS that the cable material formula proposed according to the present invention and preparation method are prepared is surveyed
The result of examination project is consistent, and all conformance with standard requirements；The hot strength of embodiment five is minimum, and for 14.2MPa, intensity is also remote high
In standard, show that the tensile strength of CABLE MATERIALS is higher, and be prepared by the test result of dielectric strength and electrical conductivity display embodiment
The insulation effect of CABLE MATERIALS preferable, meet the insulation standard of CABLE MATERIALS, the equal nothing of CABLE MATERIALS of above-described embodiment one～five preparation
Halogen detects, and maximum smoke density also only has 75, and in addition the flame retardant rating of the CABLE MATERIALS of embodiment one～five preparation is
VO level, shows that the fire resistance of CABLE MATERIALS is higher.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (7)
1. a low smoke halogen-free fire retardant polyolefin cable material, it is characterised in that include the raw material of following weight portion: polyolefin 40～
80 parts, aluminium hydroxide 5～10 parts, magnesium hydroxide 3～6 parts, triphenyl phosphate 2～8 parts, to dibenzyl biphosphonate 6～12 parts,
Calcium carbonate 10～15 parts, potter's clay 5～10 parts, sericite in powder 5～10 parts, metasilicate pentahydrate sodium 4～8 parts, plasticizer 10～12 parts,
Chlorinated paraffin 3～6 parts, antioxidant 0.5～1 part, cross-linking agent 1～4 parts, coloring agent 6～10 parts.
A kind of low smoke halogen-free fire retardant polyolefin cable material the most according to claim 1, it is characterised in that include following weight
The raw material of part: polyolefin 50～70 parts, aluminium hydroxide 6～10 parts, magnesium hydroxide 3～5 parts, triphenyl phosphate 4～6 parts, to two
Benzyl biphosphonate 6～10 parts, calcium carbonate 10～14 parts, potter's clay 6～10 parts, sericite in powder 5～8 parts, metasilicate pentahydrate sodium 4～
8 parts, plasticizer 10～12 parts, chlorinated paraffin 4～6 parts, antioxidant 0.5～1 part, cross-linking agent 2～4 parts, coloring agent 8～10
Part.
A kind of low smoke halogen-free fire retardant polyolefin cable material the most according to claim 1, it is characterised in that include following weight
The raw material of part: polyolefin 60 parts, aluminium hydroxide 8 parts, 4 parts of magnesium hydroxide, triphenyl phosphate 5 parts, to dibenzyl biphosphonate 8
Part, calcium carbonate 12 parts, 8 parts of potter's clay, sericite in powder 7 parts, metasilicate pentahydrate sodium 6 parts, plasticizer 11 parts, chlorinated paraffin 5 parts, antioxygen
Agent 1 part, cross-linking agent 3 parts, coloring agent 9 parts.
A kind of low smoke halogen-free fire retardant polyolefin cable material the most according to claim 1, it is characterised in that described polyolefin is
The mixture of polyethylene, polypropylene and poly 1-butene, and the weight part ratio of polyethylene, polypropylene and poly 1-butene be 1～3:2～
4:1.
A kind of low smoke halogen-free fire retardant polyolefin cable material the most according to claim 4, it is characterised in that described polyethylene is
High density polyethylene (HDPE) and the mixture of Low Density Polyethylene, and the weight part ratio of high density polyethylene (HDPE) and Low Density Polyethylene is
0.5～2:1.
A kind of low smoke halogen-free fire retardant polyolefin cable material the most according to claim 1, it is characterised in that described plasticizer is
In dioctyl phthalate, diisopropyl phthalate and phthalic acid two (2-Octyl Nitrite) any one or several
Plant mixing.
7. the preparation method of a low smoke halogen-free fire retardant polyolefin cable material, it is characterised in that comprise the following steps:
S1: opening banbury power supply, the preheating temperature arranging banbury is 100～120 DEG C, opens heating power supply, treats preheating temperature
After degree reaches, keep temperature and add the polyolefin of corresponding proportion, carrying out banburying 1～3min, obtain major ingredient；
S2: add the aluminium hydroxide of corresponding proportion in banbury, magnesium hydroxide, triphenyl phosphate, to dibenzyl biphosphonate,
Calcium carbonate, potter's clay, sericite in powder, metasilicate pentahydrate sodium, plasticizer, chlorinated paraffin, antioxidant, cross-linking agent and coloring agent, continue
Continuous banburying 5～8min, obtains compound；
S3: the compound of above-mentioned preparation gets product through screw extruder extrusion, cooling molding, discharging, packaging again.
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Cited By (5)
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| CN108864549A (en) * | 2018-07-23 | 2018-11-23 | 安徽成力特科技有限公司 | A kind of low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof |
| 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 |
| EP3973017A4 (en) * | 2019-05-23 | 2023-07-05 | Imerys USA, Inc. | Flame retardant polymer composition and methods of use |
| CN117089261A (en) * | 2023-10-20 | 2023-11-21 | 中国林业科学研究院木材工业研究所 | Flame-retardant amino resin coating and preparation method and application thereof |
| CN117089261B (en) * | 2023-10-20 | 2023-12-29 | 中国林业科学研究院木材工业研究所 | Flame-retardant amino resin coating and preparation method and application thereof |
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Application publication date: 20170104 |