CN108384143A - Anti-freezing flame-retardant cable material and preparation method thereof - Google Patents

Anti-freezing flame-retardant cable material and preparation method thereof Download PDF

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CN108384143A
CN108384143A CN201810158737.4A CN201810158737A CN108384143A CN 108384143 A CN108384143 A CN 108384143A CN 201810158737 A CN201810158737 A CN 201810158737A CN 108384143 A CN108384143 A CN 108384143A
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parts
cable material
mixing
freeze proof
resistant cable
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程劲松
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Hefei Shangqiang Electric Technology Co ltd
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Hefei Shangqiang Electric Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions 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 a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators 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
    • H01B3/44Insulators 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
    • H01B3/443Insulators 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 vinylhalogenides or other halogenoethylenic compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/202Applications use in electrical or conductive gadgets use in electrical wires or wirecoating

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Insulated Conductors (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention discloses an anti-freezing flame-retardant cable material and a preparation method thereof, relating to the technical field of cable materials and comprising the following raw materials in parts by weight: 45-55 parts of modified polyvinyl chloride resin, 15-25 parts of butadiene rubber, 12-24 parts of mica, 10-18 parts of montmorillonite, 9-18 parts of calcium silicate, 4-9 parts of calcium sulfate, 5-10 parts of calcium stearate, 10-16 parts of antimony trioxide, 8-15 parts of molybdenum trioxide, 5-12 parts of aluminum hydroxide, 5-12 parts of magnesium hydroxide, 4-10 parts of carbon black, 4-7 parts of a silane coupling agent, 3-6 parts of an antioxidant, 3-6 parts of an ultraviolet absorbent, 4-7 parts of a flame retardant and 3-6 parts of a plasticizer; the cable material disclosed by the invention is excellent in low-temperature and high-temperature resistance, good in flame retardant property and tensile property, simple in preparation method, and the glass beads are adopted to improve the polyvinyl chloride resin, so that the compactness and the structural stability of the polyvinyl chloride resin are enhanced, and the aging resistance of the material is improved.

Description

A kind of freeze proof fire-resistant cable material and preparation method thereof
Technical field
The present invention relates to CABLE MATERIALS technical fields, and in particular to a kind of freeze proof fire-resistant cable material and preparation method thereof.
Background technology
Wire cable insulating and sheath are commonly called as CABLE MATERIALS with plastics, and which includes a variety of product such as rubber, plastics, nylon Kind.CABLE MATERIALS manufacturing enterprise is with cable manufacturing enterprise for user, there is the market of CABLE MATERIALS as long as live wire cabling requirements.Electricity In line cable product insulating layer mouth is almost required in addition to the bare wires product such as steel-cored aluminium strand, electromagnetic wire.China's live wire at present Nearly 5000 of cable manufacturing enterprise, and have upgrading urban and rural power grids, development of the West Regions and communications facility large area upgrading to electricity The great demand of line cable product, thus from the point of view of for a period of time, CABLE MATERIALS has extensive market development foreground in China.
Electric wire needs to be chronically exposed in external environment, needs stronger freeze proof high temperature resistance.As society is right The concern of fire hazard is more and more closer, and fireproofing of cable performance also requires higher.CABLE MATERIALS in the prior art is mainly PVC CABLE MATERIALS has that easy to aging, anti-flammability is not high.
Invention content
For problems of the prior art, the present invention provides a kind of freeze proof fire-resistant cable material and preparation method thereof, CABLE MATERIALS low-temperature resistance and high-temperature behavior of the present invention are excellent, and flame retardant property and tensile property are good, and preparation method is simple, micro- using glass Pearl improves Corvic, and glass microballoon filling polyvinyl chloride resin internal structure enhances the densification of Corvic Property and structural stability, improve the ageing resistance of material.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of freeze proof fire-resistant cable material includes the raw material of following parts by weight meter:
45-55 parts of modified PVC resin, 15-25 parts of butadiene rubber, 12-24 parts of mica, 10-18 parts of montmorillonite, silicon Sour calcium 9-18 parts, 4-9 parts of calcium sulfate, 5-10 parts of calcium stearate, 10-16 parts of antimony oxide, 8-15 parts of molybdenum sesquioxide, hydrogen-oxygen Change 5-12 parts of aluminium, 5-12 parts of magnesium hydroxide, 4-10 parts of carbon black, 4-7 parts of silane coupling agent, 3-6 parts of antioxidant, ultraviolet absorber 3- 3-6 parts of 6 parts, 4-7 parts of fire retardant and plasticizer;
The preparation method of the modified polyvinyl chloride resin is:By the glass of Corvic and its weight 15%-20% The vinyltrimethoxysilane of glass microballon and 2%-4% mix, and are warming up to 200-300 degrees Celsius, 40-50 points of high-speed stirred Clock is put into mixing in mixer after mixing, 120-150 degrees Celsius of smelting temperature, and mixing time 10-15 minutes is to get changing Property Corvic.
Preferably, include the raw material of following parts by weight meter:51 parts of modified PVC resin, 20 parts of butadiene rubber, mica 18 parts, 15 parts of montmorillonite, 14 parts of calcium silicates, 6 parts of calcium sulfate, 8 parts of calcium stearate, 13 parts of antimony oxide, molybdenum sesquioxide 12 Part, 8 parts of aluminium hydroxide, 8 parts of magnesium hydroxide, 4 parts of carbon black, 5.8 parts of silane coupling agent, 4.5 parts of antioxidant, ultraviolet absorber 4.8 4.7 parts of part, 5.6 parts of fire retardant and plasticizer;
The preparation method of the modified polyvinyl chloride resin is:By the glass microballoon of Corvic and its weight 18% Vinyltrimethoxysilane with 3.4% mixes, and is warming up to 260 degrees Celsius, high-speed stirred 46 minutes after mixing, is put Enter mixing in mixer, 135 degrees Celsius of smelting temperature, mixing time 13 minutes is to get modified PVC resin.
Preferably, the silane coupling agent is aminoethyl aminoethyl amino propyl trimethoxy silane, three (beta-methoxy of vinyl Ethyoxyl) silane, one or more of N- ethoxy acyl ethylamino-ethyl aminoethyl amino propyl trimethoxy silanes combine.
Preferably, the antioxidant be four (β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid) pentaerythritol esters, β-(3, 5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol ester and phosphite be according to mass ratio 2:2:1 mixing composition.
Preferably, the ultraviolet absorber be 2-hydroxy-4-n-octoxybenzophenone and hexamethylphosphoric acid triamide according to Mass ratio 3:1 mixing composition.
Preferably, the fire retardant is that one or more of silicate, silica gel and talcum powder combine.
Preferably, the plasticizer is one kind or several in phthalic acid ester, fatty group dibasic acid and polyol ester Kind mixing.
The invention also discloses a kind of preparation methods of above-mentioned freeze proof fire-resistant cable material specifically to include the following steps:
(1) each raw material is weighed according to the parts by weight of raw materials of freeze proof fire-resistant cable material;
(2) by mica, montmorillonite, calcium silicates, calcium sulfate, calcium stearate, antimony oxide, molybdenum sesquioxide, hydroxide It is ground in aluminium, magnesium hydroxide, carbon black mixing input grinder, then crosses 100-200 and sieve to get mixed-powder, it is spare;
(3) mixed-powder is made in modified PVC resin, poly- fourth rubber silicon and alkane coupling agent and step (2) to mix, is risen Temperature is to 78-95 degrees Celsius, with 1000-2000 revs/min, stirring 25-40 minutes to get mixture M, it is spare;
(4) mixture N and antioxidant, ultraviolet absorber, fire retardant and plasticizer are mixed to be put into mixer and is kneaded, mixed 85-95 degrees Celsius of temperature is refined, mixing time 15-30 minutes is to get mixture N;
(5) extruding pelletization, 65-80 degrees Celsius of extrusion temperature in mixture N input double screw extruders are cooled to room Temperature screens out substandard products, packaging to get the freeze proof fire-resistant cable material.
The present invention has following advantageous effect:
(1) CABLE MATERIALS low-temperature resistance and high-temperature behavior of the present invention are excellent, and flame retardant property and tensile property are good, preparation method letter It is single, Corvic is improved using glass microballoon, glass microballoon filling polyvinyl chloride resin internal structure enhances polychlorostyrene second The compactness and structural stability of olefine resin, improve the ageing resistance of material.
(2) present invention is added with modified PVC resin, and glass microballoon light specific gravity volume is big, and density is approximately traditional filling Ten parts for expecting density of particle, can mitigate the base weight of product significantly after filling, substitute and save more production resins, Reduce product cost.Glass microballoon has the advantages that insulation, water absorption rate are low simultaneously, and filling not only increases with Corvic The strong compactness and structural stability of Corvic, while enhancing the insulating properties and water proofing property of Corvic. It can be used as a kind of coupling agent, reinforcing glass microballon and Corvic simultaneously added with a small amount of vinyltrimethoxysilane Binding force and structure space stability.
(3) oxidant added in raw material of the present invention is four (β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid) Ji Wusi Alcohol ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol esters and phosphite are according to mass ratio 2:2:1 mixing Composition, two kinds of alcohol esters have extremely strong stability and inoxidizability as main anti-oxidant, phosphite as auxiliary oxidant, in conjunction with It uses, antioxidant effect is made to be optimal.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of freeze proof fire-resistant cable material includes the raw material of following parts by weight meter:
45 parts of modified PVC resin, 15 parts of butadiene rubber, 12 parts of mica, 10 parts of montmorillonite, 9 parts of calcium silicates, sulfuric acid 4 parts of calcium, 5 parts of calcium stearate, 10 parts of antimony oxide, 8 parts of molybdenum sesquioxide, 5 parts of aluminium hydroxide, 5 parts of magnesium hydroxide, carbon black 4 Part, 4 parts of silane coupling agent, 3 parts of antioxidant, 3 parts of ultraviolet absorber, 4 parts of fire retardant and 3 parts of plasticizer;
The preparation method of modified polyvinyl chloride resin is:
Corvic and the glass microballoon of its weight 15% and 2% vinyltrimethoxysilane are mixed, risen Temperature is to 200 degrees Celsius, and high-speed stirred 40 minutes is put into mixing in mixer after mixing, and 120 degrees Celsius of smelting temperature is close 10 minutes time is refined to get modified PVC resin.
Silane coupling agent is aminoethyl aminoethyl amino propyl trimethoxy silane and vinyl three (beta-methoxy ethyoxyl) silicon Alkane is according to mass ratio 1:1 mixing composition.
Antioxidant is four (β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid) pentaerythritol esters, β-(3,5- di-t-butyls- 4- hydroxy phenyls) propionic acid n-octadecyl alcohol ester and phosphite be according to mass ratio 2:2:1 mixing composition.
Ultraviolet absorber is 2-hydroxy-4-n-octoxybenzophenone and hexamethylphosphoric acid triamide according to mass ratio 3:1 is mixed It is combined into.
Fire retardant is sodium metasilicate and silica gel according to mass ratio 1:1 mixing composition.
Plasticizer is phthalic acid ester.
A kind of preparation method of above-mentioned freeze proof fire-resistant cable material is also disclosed in the present embodiment, specifically, including following step Suddenly:
(1) each raw material is weighed according to the parts by weight of raw materials of freeze proof fire-resistant cable material;
(2) by mica, montmorillonite, calcium silicates, calcium sulfate, calcium stearate, antimony oxide, molybdenum sesquioxide, hydroxide It is ground in aluminium, magnesium hydroxide, carbon black mixing input grinder, then crosses 100 and sieve to get mixed-powder, it is spare;
(3) mixed-powder is made in modified PVC resin, poly- fourth rubber silicon and alkane coupling agent and step (2) to mix, is risen Temperature is to 78 degrees Celsius, with 1000 revs/min, stirring 25 minutes to get mixture M, it is spare;
(4) mixture N and antioxidant, ultraviolet absorber, fire retardant and plasticizer are mixed to be put into mixer and is kneaded, mixed 85 degrees Celsius of temperature is refined, mixing time 15 minutes is to get mixture N;
(5) extruding pelletization, 65 degrees Celsius of extrusion temperature in mixture N input double screw extruders are cooled to room temperature, are sieved Choosing falls substandard products, packaging to get the freeze proof fire-resistant cable material.
Embodiment 2
A kind of freeze proof fire-resistant cable material includes the raw material of following parts by weight meter:
55 parts of modified PVC resin, 25 parts of butadiene rubber, 24 parts of mica, 18 parts of montmorillonite, 18 parts of calcium silicates, sulfuric acid 9 parts of calcium, 10 parts of calcium stearate, 16 parts of antimony oxide, 15 parts of molybdenum sesquioxide, 12 parts of aluminium hydroxide, 12 parts of magnesium hydroxide, charcoal 6 parts of black 10 parts, 7 parts of silane coupling agent, 6 parts of antioxidant, 6 parts of ultraviolet absorber, 7 parts of fire retardant and plasticizer;
The preparation method of modified polyvinyl chloride resin is:
Corvic and the glass microballoon of its weight 20% and 4% vinyltrimethoxysilane are mixed, risen Temperature is to 300 degrees Celsius, and high-speed stirred 50 minutes is put into mixing in mixer after mixing, and 150 degrees Celsius of smelting temperature is close 15 minutes time is refined to get modified PVC resin.
Silane coupling agent is N- ethoxy acyl ethylamino-ethyl aminoethyl amino propyl trimethoxy silanes.
Antioxidant is four (β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid) pentaerythritol esters, β-(3,5- di-t-butyls- 4- hydroxy phenyls) propionic acid n-octadecyl alcohol ester and phosphite be according to mass ratio 2:2:1 mixing composition.
Ultraviolet absorber is 2-hydroxy-4-n-octoxybenzophenone and hexamethylphosphoric acid triamide according to mass ratio 3:1 is mixed It is combined into.
Fire retardant is silica gel and talcum powder according to mass ratio 3:1 mixing composition.
Plasticizer is fatty group dibasic acid.
A kind of preparation method of above-mentioned freeze proof fire-resistant cable material is also disclosed in the present embodiment, specifically, including following step Suddenly:
(1) each raw material is weighed according to the parts by weight of raw materials of freeze proof fire-resistant cable material;
(2) by mica, montmorillonite, calcium silicates, calcium sulfate, calcium stearate, antimony oxide, molybdenum sesquioxide, hydroxide It is ground in aluminium, magnesium hydroxide, carbon black mixing input grinder, then crosses 200 and sieve to get mixed-powder, it is spare;
(3) mixed-powder is made in modified PVC resin, poly- fourth rubber silicon and alkane coupling agent and step (2) to mix, is risen Temperature is to 95 degrees Celsius, with 2000 revs/min, stirring 40 minutes to get mixture M, it is spare;
(4) mixture N and antioxidant, ultraviolet absorber, fire retardant and plasticizer are mixed to be put into mixer and is kneaded, mixed 95 degrees Celsius of temperature is refined, mixing time 30 minutes is to get mixture N;
(5) extruding pelletization, 80 degrees Celsius of extrusion temperature in mixture N input double screw extruders are cooled to room temperature, are sieved Choosing falls substandard products, packaging to get the freeze proof fire-resistant cable material.
Embodiment 3
A kind of freeze proof fire-resistant cable material includes the raw material of following parts by weight meter:
51 parts of modified PVC resin, 20 parts of butadiene rubber, 18 parts of mica, 15 parts of montmorillonite, 14 parts of calcium silicates, sulfuric acid 6 parts of calcium, 8 parts of calcium stearate, 13 parts of antimony oxide, 12 parts of molybdenum sesquioxide, 8 parts of aluminium hydroxide, 8 parts of magnesium hydroxide, carbon black 4 Part, 5.8 parts of silane coupling agent, 4.5 parts of antioxidant, 4.8 parts of ultraviolet absorber, 5.6 parts of fire retardant and 4.7 parts of plasticizer;
The preparation method of the modified polyvinyl chloride resin is:
Corvic and the glass microballoon of its weight 18% and 3.4% vinyltrimethoxysilane are mixed, It is warming up to 260 degrees Celsius, high-speed stirred 46 minutes is put into mixing in mixer after mixing, 135 degrees Celsius of smelting temperature, Mixing time 13 minutes is to get modified PVC resin.
Silane coupling agent is aminoethyl aminoethyl amino propyl trimethoxy silane and N- ethoxy acyl ethylamino-ethyl aminoethyls Aminopropyl trimethoxysilane is according to mass ratio 2:1 mixing composition.
Antioxidant is four (β-(3,5- di-t-butyl 4- hydroxy phenyls) propionic acid) pentaerythritol esters, β-(3,5- di-t-butyls- 4- hydroxy phenyls) propionic acid n-octadecyl alcohol ester and phosphite be according to mass ratio 2:2:1 mixing composition.
Ultraviolet absorber is 2-hydroxy-4-n-octoxybenzophenone and hexamethylphosphoric acid triamide according to mass ratio 3:1 is mixed It is combined into.
Fire retardant is sodium metasilicate and talcum powder according to mass ratio 1:1 mixing composition.
Plasticizer is polyol ester.
A kind of preparation method of above-mentioned freeze proof fire-resistant cable material is also disclosed in the present embodiment, specifically, including following step Suddenly:
(1) each raw material is weighed according to the parts by weight of raw materials of freeze proof fire-resistant cable material;
(2) by mica, montmorillonite, calcium silicates, calcium sulfate, calcium stearate, antimony oxide, molybdenum sesquioxide, hydroxide It is ground in aluminium, magnesium hydroxide, carbon black mixing input grinder, then crosses 180 and sieve to get mixed-powder, it is spare;
(3) mixed-powder is made in modified PVC resin, poly- fourth rubber silicon and alkane coupling agent and step (2) to mix, is risen Temperature is to 88 degrees Celsius, with 1600 revs/min, stirring 32 minutes to get mixture M, it is spare;
(4) mixture N and antioxidant, ultraviolet absorber, fire retardant and plasticizer are mixed to be put into mixer and is kneaded, mixed 92 degrees Celsius of temperature is refined, mixing time 25 minutes is to get mixture N;
(5) extruding pelletization, 75 degrees Celsius of extrusion temperature in mixture N input double screw extruders are cooled to room temperature, are sieved Choosing falls substandard products, packaging to get the freeze proof fire-resistant cable material.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.

Claims (8)

1. a kind of freeze proof fire-resistant cable material, which is characterized in that including following raw material by weight:
45-55 parts of modified PVC resin, 15-25 parts of butadiene rubber, 12-24 parts of mica, 10-18 parts of montmorillonite, calcium silicates 9-18 parts, 4-9 parts of calcium sulfate, 5-10 parts of calcium stearate, 10-16 parts of antimony oxide, 8-15 parts of molybdenum sesquioxide, aluminium hydroxide 5-12 parts, 5-12 parts of magnesium hydroxide, 4-10 parts of carbon black, 4-7 parts of silane coupling agent, 3-6 parts of antioxidant, 3-6 parts of ultraviolet absorber, 3-6 parts of 4-7 parts of fire retardant and plasticizer;
The preparation method of the modified polyvinyl chloride resin is:The glass of Corvic and its weight 15%-20% is micro- The vinyltrimethoxysilane of pearl and 2%-4% mix, and are warming up to 200-300 degrees Celsius, and high-speed stirred 40-50 minutes is mixed After closing uniformly, it is put into mixing in mixer, 120-150 degrees Celsius of smelting temperature, mixing time is gathered for 10-15 minutes to get modified Vinyl chloride resin.
2. freeze proof fire-resistant cable material according to claim 1, which is characterized in that include the raw material of following parts by weight meter:Change Property 51 parts of Corvic, 20 parts of butadiene rubber, 18 parts of mica, 15 parts of montmorillonite, 14 parts of calcium silicates, 6 parts of calcium sulfate, stearic 8 parts of sour calcium, 13 parts of antimony oxide, 12 parts of molybdenum sesquioxide, 8 parts of aluminium hydroxide, 8 parts of magnesium hydroxide, 4 parts of carbon black, silane are even Join 4.7 parts of 5.8 parts of agent, 4.5 parts of antioxidant, 4.8 parts of ultraviolet absorber, 5.6 parts of fire retardant and plasticizer;
The preparation method of the modified polyvinyl chloride resin is:By the glass microballoon of Corvic and its weight 18% and 3.4% vinyltrimethoxysilane mixing, is warming up to 260 degrees Celsius, high-speed stirred 46 minutes after mixing, is put into Mixing in mixer, 135 degrees Celsius of smelting temperature, mixing time 13 minutes is to get modified PVC resin.
3. freeze proof fire-resistant cable material according to claim 1, which is characterized in that the silane coupling agent is aminoethyl ammonia second Base aminopropyl trimethoxysilane, vinyl three (beta-methoxy ethyoxyl) silane, N- ethoxy acyl ethylamino-ethyl aminoethyls ammonia third One or more of base trimethoxy silane combines.
4. freeze proof fire-resistant cable material according to claim 1, which is characterized in that the antioxidant is four (β-(3,5- bis- uncles Butyl 4- hydroxy phenyls) propionic acid) pentaerythritol ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid n-octadecyl alcohol esters and Phosphite is according to mass ratio 2:2:1 mixing composition.
5. freeze proof fire-resistant cable material according to claim 1, which is characterized in that the ultraviolet absorber is 2- hydroxyls -4- Oxy-octyl benzophenone and hexamethylphosphoric acid triamide are according to mass ratio 3:1 mixing composition.
6. freeze proof fire-resistant cable material according to claim 1, which is characterized in that the fire retardant be silicate, silica gel and One or more of talcum powder combines.
7. freeze proof fire-resistant cable material according to claim 1, which is characterized in that the plasticizer be phthalic acid ester, One or more of fatty group dibasic acid and polyol ester mix.
8. a kind of preparing the preparation method such as the freeze proof fire-resistant cable material of claim 1-7 any one of them, which is characterized in that packet Include following steps:
(1) each raw material is weighed according to the parts by weight of raw materials of freeze proof fire-resistant cable material;
(2) by mica, montmorillonite, calcium silicates, calcium sulfate, calcium stearate, antimony oxide, molybdenum sesquioxide, aluminium hydroxide, hydrogen It is ground in magnesia, carbon black mixing input grinder, then crosses 100-200 and sieve to get mixed-powder, it is spare;
(3) mixed-powder is made in modified PVC resin, poly- fourth rubber silicon and alkane coupling agent and step (2) to mix, is warming up to 78-95 degrees Celsius, with 1000-2000 revs/min, stirring 25-40 minutes to get mixture M, it is spare;
(4) mixture N and antioxidant, ultraviolet absorber, fire retardant and plasticizer are mixed to be put into mixer and is kneaded, be kneaded temperature 85-95 degrees Celsius of degree, mixing time 15-30 minutes is to get mixture N;
(5) extruding pelletization, 65-80 degrees Celsius of extrusion temperature in mixture N input double screw extruders are cooled to room temperature, are sieved Choosing falls substandard products, packaging to get the freeze proof fire-resistant cable material.
CN201810158737.4A 2018-02-26 2018-02-26 Anti-freezing flame-retardant cable material and preparation method thereof Withdrawn CN108384143A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110655742A (en) * 2019-10-15 2020-01-07 高静静 Modified PVC cable material and preparation method thereof
CN112111113A (en) * 2020-09-25 2020-12-22 镇江市华银仪表电器有限公司 Waterproof heat-resistant polyvinyl chloride cable material and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103509281A (en) * 2013-09-06 2014-01-15 安徽华通电缆集团有限公司 Antifreeze cable material
CN106280137A (en) * 2016-08-31 2017-01-04 江苏领瑞新材料科技有限公司 A kind of cracking resistance heatproof composite cable material and preparation method thereof
CN107226976A (en) * 2017-06-20 2017-10-03 合肥博创机械制造有限公司 A kind of Antifreeze cable material and preparation method thereof
CN107236185A (en) * 2017-06-29 2017-10-10 合肥达户电线电缆科技有限公司 A kind of novel flame-retardant cable material and preparation method thereof
CN107266829A (en) * 2017-08-04 2017-10-20 苏州亨利通信材料有限公司 A kind of charging pile cable polyvinyl chloride elastomer cable material and preparation method thereof

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CN107226976A (en) * 2017-06-20 2017-10-03 合肥博创机械制造有限公司 A kind of Antifreeze cable material and preparation method thereof
CN107236185A (en) * 2017-06-29 2017-10-10 合肥达户电线电缆科技有限公司 A kind of novel flame-retardant cable material and preparation method thereof
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Application publication date: 20180810