CN105153508A - Flame-resistant stretching-resistant polyethylene-based electric cable material and preparation method thereof - Google Patents
Flame-resistant stretching-resistant polyethylene-based electric cable material and preparation method thereof Download PDFInfo
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- CN105153508A CN105153508A CN201510402069.1A CN201510402069A CN105153508A CN 105153508 A CN105153508 A CN 105153508A CN 201510402069 A CN201510402069 A CN 201510402069A CN 105153508 A CN105153508 A CN 105153508A
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- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- -1 polyethylene Polymers 0.000 title claims abstract description 22
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 21
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 21
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 28
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004954 Polyphthalamide Substances 0.000 claims abstract description 14
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 14
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims abstract description 14
- 229910001626 barium chloride Inorganic materials 0.000 claims abstract description 14
- XBJJRSFLZVLCSE-UHFFFAOYSA-N barium(2+);diborate Chemical compound [Ba+2].[Ba+2].[Ba+2].[O-]B([O-])[O-].[O-]B([O-])[O-] XBJJRSFLZVLCSE-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims abstract description 14
- 235000019341 magnesium sulphate Nutrition 0.000 claims abstract description 14
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims abstract description 14
- 229920006375 polyphtalamide Polymers 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 229920002554 vinyl polymer Polymers 0.000 claims description 24
- 239000003063 flame retardant Substances 0.000 claims description 23
- 238000005453 pelletization Methods 0.000 claims description 18
- CMQUQOHNANGDOR-UHFFFAOYSA-N 2,3-dibromo-4-(2,4-dibromo-5-hydroxyphenyl)phenol Chemical compound BrC1=C(Br)C(O)=CC=C1C1=CC(O)=C(Br)C=C1Br CMQUQOHNANGDOR-UHFFFAOYSA-N 0.000 claims description 13
- 229920002367 Polyisobutene Polymers 0.000 claims description 13
- 229940045511 barium chloride Drugs 0.000 claims description 13
- SNCZNSNPXMPCGN-UHFFFAOYSA-N butanediamide Chemical compound NC(=O)CCC(N)=O SNCZNSNPXMPCGN-UHFFFAOYSA-N 0.000 claims description 13
- 229920003193 cis-1,4-polybutadiene polymer Polymers 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000005060 rubber Substances 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 4
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 abstract 1
- 239000004962 Polyamide-imide Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000009775 high-speed stirring Methods 0.000 abstract 1
- 229920002312 polyamide-imide Polymers 0.000 abstract 1
- 229920002857 polybutadiene Polymers 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/12—Copolymers of styrene with unsaturated nitriles
-
- 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
-
- 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
- H01B3/442—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 aromatic vinyl compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
-
- 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
- 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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- 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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- Spectroscopy & Molecular Physics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention discloses a flame-resistant stretching-resistant polyethylene-based electric cable material and a preparation method thereof, wherein the flame-resistant stretching-resistant polyethylene-based electric cable material comprises 14-24 parts of polyethylene, 15-28 parts of a styrene-acrylonitrile copolymer, 3-7 parts of polyphthalamide, 4-10 parts of polyamideimide, 3-9 parts of T151A polyisobutenyl succimide, 6-13 parts of a cis-polybutadiene rubber, 4-8 parts of a KH-792 silane coupling agent, 3-7 parts of tetrabromobisphenol A, 2-6 parts of barium borate, 3-5 parts of molybdenum trioxide, 4-10 parts of barium chloride, and 2-7 parts of magnesium sulfate. The preparation method comprises: stirring in a high speed stirring machine, carrying out extrusion granulation through a twin-screw extruder, plasticizing on an open mill, discharging the sheet, and cooling to obtain the electric cable material. The prepared electric cable material of the present invention has characteristics of high flame resistant strength and high tensile strength.
Description
Technical field
The invention belongs to cable material field, relate to a kind of CABLE MATERIALS and preparation method thereof, particularly relate to a kind of fire-retardant stretch-proof polyvinyl CABLE MATERIALS and preparation method thereof.
Background technology
The structure of electric wire, can be divided into these four structure element of conductor, insulation layer, shielding and sheath generally or be called structural element, component.Electric wire common plastics has polyethylene, crosslinked polyethylene, polyvinyl chloride, polypropylene, polyolefine, fluoroplastics, nylon etc.
Polyethylene is the plastics that most widely used, consumption is maximum at present, and polyethylene resistivity is high, breaking down field strength is high, weathering resistance, good manufacturability, is electrically insulating material best at present.But because its working temperature is low, so the main insulation being used as telecommunication cable.Intensity and the hardness of Midst density and high density polyethylene(HDPE) are higher, and its permeability rate is low, multiplexly make cable sheath.But polyethylene has maximum shortcoming, namely easily burns, and black smoke is strong, therefore its application brings much hidden danger to environment.
Polyvinyl CABLE MATERIALS, owing to having above-mentioned shortcoming, therefore needs to promote the tensile strength of polyvinyl CABLE MATERIALS and fire-retardant intensity, polyvinyl CABLE MATERIALS could be allowed for wider field.
Summary of the invention
The technical problem solved: the tensile strength of conventional CABLE MATERIALS is lower, in use easily there is situation about stretching, drawing force is spent greatly, then can cause the phenomenon such as distortion, fracture of CABLE MATERIALS, in addition, due to the particular surroundings that cable uses, good fire-retardant intensity must be possessed, therefore, be necessary to improve further the tensile strength of polyvinyl CABLE MATERIALS and flame retardant properties, improve its quality.
Object of the present invention can be achieved through the following technical solutions:
The invention discloses a kind of fire-retardant stretch-proof polyvinyl CABLE MATERIALS, described fire-retardant stretch-proof polyvinyl CABLE MATERIALS comprises the composition of following weight part:
Polyethylene 14-24 part,
Styrene-acrylonitrile copolymer 15-28 part,
Polyphthalamide 3-7 part,
Polyamidoimide 4-10 part,
T151A polyisobutylene succinamide 3-9 part,
Cis-1,4-polybutadiene rubber 6-13 part,
KH-792 silane coupling agent 4-8 part,
Tetrabromo-bisphenol 3-7 part,
Barium borate 2-6 part,
Molybdic oxide 3-5 part,
Bariumchloride 4-10 part,
Magnesium sulfate 2-7 part.
Preferably, described one fire-retardant stretch-proof polyvinyl CABLE MATERIALS, comprises the composition of following weight part:
Polyethylene 17-20 part,
Styrene-acrylonitrile copolymer 18-24 part,
Polyphthalamide 4-6 part,
Polyamidoimide 6-9 part,
T151A polyisobutylene succinamide 4-8 part,
Cis-1,4-polybutadiene rubber 8-11 part,
KH-792 silane coupling agent 5-7 part,
Tetrabromo-bisphenol 4-6 part,
Barium borate 3-5 part,
Molybdic oxide 4-5 part,
Bariumchloride 6-8 part,
Magnesium sulfate 3-6 part.
A preparation method for fire-retardant stretch-proof polyvinyl CABLE MATERIALS as above, preparation method comprises the following steps:
(1) by weight respectively by polyethylene 14-24 part, styrene-acrylonitrile copolymer 15-28 part, polyphthalamide 3-7 part,
Polyamidoimide 4-10 part, T151A polyisobutylene succinamide 3-9 part, cis-1,4-polybutadiene rubber 6-13 part, KH-792 silane coupling agent 4-8 part, tetrabromo-bisphenol 3-7 part, barium borate 2-6 part, molybdic oxide 3-5 part, bariumchloride 4-10 part, magnesium sulfate 2-7 part are put in homogenizer, stir under rotating speed is 60r/min-90r/min;
(2) the compound twin screw extruder of step (1) is carried out extruding pelletization, double-screw extruder screw length-to-diameter ratio is 15:1-20:1, it is 160-170 DEG C that twin screw extruder extrudes district's temperature, two district's temperature are 175-185 DEG C, three district's temperature are 195-205 DEG C, and four district's temperature are 210-215 DEG C;
(3) particle after double-screw extruding pelletizing is carried out on a mill until again plastify, slice, mill temperature is 110-130 DEG C, obtains CABLE MATERIALS after cooling.
The preparation method of described fire-retardant stretch-proof polyvinyl CABLE MATERIALS, preparation method's step (1) medium speed is 80r/min.
The preparation method of described fire-retardant stretch-proof polyvinyl CABLE MATERIALS, in preparation method's step (2), double-screw extruder screw length-to-diameter ratio is 18:1.
The preparation method of described fire-retardant stretch-proof polyvinyl CABLE MATERIALS, in preparation method's step (3), mill temperature is 120 DEG C.
The preparation method of described fire-retardant stretch-proof polyvinyl CABLE MATERIALS, preparation method's step (2) Zhong-1 block temperature is 165 DEG C, and two district's temperature are 180 DEG C, and three district's temperature are 200 DEG C, and four district's temperature are 215 DEG C.
Beneficial effect: by improveing the macromolecule component in CABLE MATERIALS and filler, the polyvinyl CABLE MATERIALS prepared has possessed higher tensile strength and oxygen index, there is good break resistance and flame retardant properties, the polyamidoimide added, T151A polyisobutylene succinamide, bariumchloride, magnesium sulfate have very crucial effect to the quality improving CABLE MATERIALS, and the CABLE MATERIALS of preparation can be used in the preparation of electric wire and cable jacket material.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
(1) respectively polyethylene 24 parts, styrene-acrylonitrile copolymer 15 parts, polyphthalamide 7 parts, polyamidoimide 4 parts, T151A polyisobutylene succinamide 9 parts, cis-1,4-polybutadiene rubber 13 parts, KH-792 silane coupling agent 8 parts, tetrabromo-bisphenol 7 parts, barium borate 2 parts, molybdic oxide 5 parts, bariumchloride 10 parts, 2 parts, magnesium sulfate are put in homogenizer by weight, stir under rotating speed is 90r/min;
(2) the compound twin screw extruder of step (1) is carried out extruding pelletization, double-screw extruder screw length-to-diameter ratio is 20:1, and it is 170 DEG C that twin screw extruder extrudes district's temperature, and two district's temperature are 185 DEG C, three district's temperature are 205 DEG C, and four district's temperature are 210 DEG C;
(3) particle after double-screw extruding pelletizing is carried out on a mill until again plastify, slice, mill temperature is 130 DEG C, obtains CABLE MATERIALS after cooling.
Embodiment 2
(1) respectively polyethylene 14 parts, styrene-acrylonitrile copolymer 28 parts, polyphthalamide 3 parts, polyamidoimide 10 parts, T151A polyisobutylene succinamide 3 parts, cis-1,4-polybutadiene rubber 6 parts, KH-792 silane coupling agent 4 parts, tetrabromo-bisphenol 3 parts, barium borate 6 parts, molybdic oxide 3 parts, bariumchloride 4 parts, 7 parts, magnesium sulfate are put in homogenizer by weight, stir under rotating speed is 60r/min;
(2) the compound twin screw extruder of step (1) is carried out extruding pelletization, double-screw extruder screw length-to-diameter ratio is 15:1, and it is 160 DEG C that twin screw extruder extrudes district's temperature, and two district's temperature are 175 DEG C, three district's temperature are 195 DEG C, and four district's temperature are 215 DEG C;
(3) particle after double-screw extruding pelletizing is carried out on a mill until again plastify, slice, mill temperature is 110 DEG C, obtains CABLE MATERIALS after cooling.
Embodiment 3
(1) respectively polyethylene 17 parts, styrene-acrylonitrile copolymer 24 parts, polyphthalamide 6 parts, polyamidoimide 6 parts, T151A polyisobutylene succinamide 8 parts, cis-1,4-polybutadiene rubber 11 parts, KH-792 silane coupling agent 7 parts, tetrabromo-bisphenol 4 parts, barium borate 3 parts, molybdic oxide 5 parts, bariumchloride 6 parts, 3 parts, magnesium sulfate are put in homogenizer by weight, stir under rotating speed is 90r/min;
(2) the compound twin screw extruder of step (1) is carried out extruding pelletization, double-screw extruder screw length-to-diameter ratio is 20:1, and it is 170 DEG C that twin screw extruder extrudes district's temperature, and two district's temperature are 185 DEG C, three district's temperature are 205 DEG C, and four district's temperature are 210 DEG C;
(3) particle after double-screw extruding pelletizing is carried out on a mill until again plastify, slice, mill temperature is 130 DEG C, obtains CABLE MATERIALS after cooling.
Embodiment 4
(1) respectively polyethylene 20 parts, styrene-acrylonitrile copolymer 18 parts, polyphthalamide 4 parts, polyamidoimide 9 parts, T151A polyisobutylene succinamide 4 parts, cis-1,4-polybutadiene rubber 8 parts, KH-792 silane coupling agent 5 parts, tetrabromo-bisphenol 6 parts, barium borate 5 parts, molybdic oxide 4 parts, bariumchloride 8 parts, 6 parts, magnesium sulfate are put in homogenizer by weight, stir under rotating speed is 60r/min;
(2) the compound twin screw extruder of step (1) is carried out extruding pelletization, double-screw extruder screw length-to-diameter ratio is 15:1, and it is 160 DEG C that twin screw extruder extrudes district's temperature, and two district's temperature are 175 DEG C, three district's temperature are 195 DEG C, and four district's temperature are 215 DEG C;
(3) particle after double-screw extruding pelletizing is carried out on a mill until again plastify, slice, mill temperature is 110 DEG C, obtains CABLE MATERIALS after cooling.
Embodiment 5
(1) respectively polyethylene 19 parts, styrene-acrylonitrile copolymer 21 parts, polyphthalamide 5 parts, polyamidoimide 7 parts, T151A polyisobutylene succinamide 6 parts, cis-1,4-polybutadiene rubber 10 parts, KH-792 silane coupling agent 6 parts, tetrabromo-bisphenol 5 parts, barium borate 4 parts, molybdic oxide 4 parts, bariumchloride 7 parts, 5 parts, magnesium sulfate are put in homogenizer by weight, stir under rotating speed is 80r/min;
(2) the compound twin screw extruder of step (1) is carried out extruding pelletization, double-screw extruder screw length-to-diameter ratio is 18:1, and it is 165 DEG C that twin screw extruder extrudes district's temperature, and two district's temperature are 180 DEG C, three district's temperature are 200 DEG C, and four district's temperature are 215 DEG C;
(3) particle after double-screw extruding pelletizing is carried out on a mill until again plastify, slice, mill temperature is 120 DEG C, obtains CABLE MATERIALS after cooling.
Comparative example 1
(1) respectively polyethylene 14 parts, styrene-acrylonitrile copolymer 28 parts, polyphthalamide 3 parts, cis-1,4-polybutadiene rubber 6 parts, KH-792 silane coupling agent 4 parts, tetrabromo-bisphenol 3 parts, barium borate 6 parts, molybdic oxide 3 parts, bariumchloride 4 parts, 7 parts, magnesium sulfate are put in homogenizer by weight, stir under rotating speed is 60r/min;
(2) the compound twin screw extruder of step (1) is carried out extruding pelletization, double-screw extruder screw length-to-diameter ratio is 15:1, and it is 160 DEG C that twin screw extruder extrudes district's temperature, and two district's temperature are 175 DEG C, three district's temperature are 195 DEG C, and four district's temperature are 215 DEG C;
(3) particle after double-screw extruding pelletizing is carried out on a mill until again plastify, slice, mill temperature is 110 DEG C, obtains CABLE MATERIALS after cooling.
Comparative example 2
(1) respectively polyethylene 14 parts, styrene-acrylonitrile copolymer 28 parts, polyphthalamide 3 parts, polyamidoimide 10 parts, T151A polyisobutylene succinamide 3 parts, cis-1,4-polybutadiene rubber 6 parts, KH-792 silane coupling agent 4 parts, tetrabromo-bisphenol 3 parts, barium borate 6 parts, molybdic oxide 3 parts are put in homogenizer by weight, stir under rotating speed is 60r/min;
(2) the compound twin screw extruder of step (1) is carried out extruding pelletization, double-screw extruder screw length-to-diameter ratio is 15:1, and it is 160 DEG C that twin screw extruder extrudes district's temperature, and two district's temperature are 175 DEG C, three district's temperature are 195 DEG C, and four district's temperature are 215 DEG C;
(3) particle after double-screw extruding pelletizing is carried out on a mill until again plastify, slice, mill temperature is 110 DEG C, obtains CABLE MATERIALS after cooling.
Tensile strength and the oxygen index of the CABLE MATERIALS of embodiment and comparative example are as follows:
| Tensile strength (N/mm 2） | Oxygen index | |
| Embodiment 1 | 10.4 | 33 |
| Embodiment 2 | 10.6 | 33 |
| Embodiment 3 | 11.8 | 34 |
| Embodiment 4 | 11.5 | 35 |
| Embodiment 5 | 13.4 | 37 |
| Comparative example 1 | 8.5 | 32 |
| Comparative example 2 | 9.7 | 27 |
Claims (7)
1. a fire-retardant stretch-proof polyvinyl CABLE MATERIALS, is characterized in that, described fire-retardant stretch-proof polyvinyl CABLE MATERIALS comprises the composition of following weight part:
Polyethylene 14-24 part,
Styrene-acrylonitrile copolymer 15-28 part,
Polyphthalamide 3-7 part,
Polyamidoimide 4-10 part,
T151A polyisobutylene succinamide 3-9 part,
Cis-1,4-polybutadiene rubber 6-13 part,
KH-792 silane coupling agent 4-8 part,
Tetrabromo-bisphenol 3-7 part,
Barium borate 2-6 part,
Molybdic oxide 3-5 part,
Bariumchloride 4-10 part,
Magnesium sulfate 2-7 part.
2. one according to claim 1 fire-retardant stretch-proof polyvinyl CABLE MATERIALS, is characterized in that, described fire-retardant stretch-proof polyvinyl CABLE MATERIALS comprises the composition of following weight part:
Polyethylene 17-20 part,
Styrene-acrylonitrile copolymer 18-24 part,
Polyphthalamide 4-6 part,
Polyamidoimide 6-9 part,
T151A polyisobutylene succinamide 4-8 part,
Cis-1,4-polybutadiene rubber 8-11 part,
KH-792 silane coupling agent 5-7 part,
Tetrabromo-bisphenol 4-6 part,
Barium borate 3-5 part,
Molybdic oxide 4-5 part,
Bariumchloride 6-8 part,
Magnesium sulfate 3-6 part.
3. a preparation method for fire-retardant stretch-proof polyvinyl CABLE MATERIALS as claimed in claim 1, it is characterized in that, preparation method comprises the following steps:
(1) by weight respectively by polyethylene 14-24 part, styrene-acrylonitrile copolymer 15-28 part, polyphthalamide 3-7 part,
Polyamidoimide 4-10 part, T151A polyisobutylene succinamide 3-9 part, cis-1,4-polybutadiene rubber 6-13 part, KH-792 silane coupling agent 4-8 part, tetrabromo-bisphenol 3-7 part, barium borate 2-6 part, molybdic oxide 3-5 part, bariumchloride 4-10 part, magnesium sulfate 2-7 part are put in homogenizer, stir under rotating speed is 60r/min-90r/min;
(2) the compound twin screw extruder of step (1) is carried out extruding pelletization, double-screw extruder screw length-to-diameter ratio is 15:1-20:1, it is 160-170 DEG C that twin screw extruder extrudes district's temperature, two district's temperature are 175-185 DEG C, three district's temperature are 195-205 DEG C, and four district's temperature are 210-215 DEG C;
(3) particle after double-screw extruding pelletizing is carried out on a mill until again plastify, slice, mill temperature is 110-130 DEG C, obtains CABLE MATERIALS after cooling.
4. the preparation method of a kind of fire-retardant stretch-proof polyvinyl CABLE MATERIALS according to claim 3, it is characterized in that, preparation method's step (1) medium speed is 80r/min.
5. the preparation method of a kind of fire-retardant stretch-proof polyvinyl CABLE MATERIALS according to claim 3, is characterized in that, in preparation method's step (2), double-screw extruder screw length-to-diameter ratio is 18:1.
6. the preparation method of a kind of fire-retardant stretch-proof polyvinyl CABLE MATERIALS according to claim 3, is characterized in that, in preparation method's step (3), mill temperature is 120 DEG C.
7. the preparation method of a kind of fire-retardant stretch-proof polyvinyl CABLE MATERIALS according to claim 3, it is characterized in that, preparation method's step (2) Zhong-1 block temperature is 165 DEG C, and two district's temperature are 180 DEG C, and three district's temperature are 200 DEG C, and four district's temperature are 215 DEG C.
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| CN201510402069.1A CN105153508A (en) | 2015-07-10 | 2015-07-10 | Flame-resistant stretching-resistant polyethylene-based electric cable material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909513A (en) * | 2020-08-06 | 2020-11-10 | 江苏德威新材料股份有限公司 | Low-smoke halogen-free flame-retardant cable material and preparation method thereof |
| CN115725129A (en) * | 2022-11-07 | 2023-03-03 | 南京青龙线缆材料有限公司 | Method for modifying anti-cracking flame-retardant polyethylene cable material by using silane |
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| CN103467819A (en) * | 2013-08-26 | 2013-12-25 | 晶锋集团股份有限公司 | High-temperature-resistant and flame-retardant cable material and preparation method thereof |
| CN103524844A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-temperature-resistant cable sheath material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103467819A (en) * | 2013-08-26 | 2013-12-25 | 晶锋集团股份有限公司 | High-temperature-resistant and flame-retardant cable material and preparation method thereof |
| CN103524844A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-temperature-resistant cable sheath material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111909513A (en) * | 2020-08-06 | 2020-11-10 | 江苏德威新材料股份有限公司 | Low-smoke halogen-free flame-retardant cable material and preparation method thereof |
| CN115725129A (en) * | 2022-11-07 | 2023-03-03 | 南京青龙线缆材料有限公司 | Method for modifying anti-cracking flame-retardant polyethylene cable material by using silane |
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