CN104356542A - Flame-retardant PVC (polyvinyl chloride) sheath material for ultrahigh-voltage cables and preparation method of material - Google Patents

Flame-retardant PVC (polyvinyl chloride) sheath material for ultrahigh-voltage cables and preparation method of material Download PDF

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Publication number
CN104356542A
CN104356542A CN201410595554.0A CN201410595554A CN104356542A CN 104356542 A CN104356542 A CN 104356542A CN 201410595554 A CN201410595554 A CN 201410595554A CN 104356542 A CN104356542 A CN 104356542A
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China
Prior art keywords
parts
add
polyvinyl chloride
fire retardant
powder
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Pending
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CN201410595554.0A
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Chinese (zh)
Inventor
陆勤琼
周清华
王芳
庞传云
孟亮
陆军
陈仕征
韩伟
余文辉
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Anhui Telecom Equipment Trading Industry Co Ltd
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Anhui Telecom Equipment Trading Industry Co Ltd
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Priority to CN201410595554.0A priority Critical patent/CN104356542A/en
Publication of CN104356542A publication Critical patent/CN104356542A/en
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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
    • C08L27/00—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 a halogen; Compositions of derivatives of such polymers
    • C08L27/02—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • H01B3/443—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 vinylhalogenides or other halogenoethylenic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a flame-retardant PVC (polyvinyl chloride) sheath material for ultrahigh-voltage cables and a preparation method of the material. The sheath material is prepared from the following raw materials in parts by weight: 33-55 parts of SG-3 polyvinyl chloride, 18-32 parts of polybenzimidazole, 14-18 parts of diethylene glycol diacrylate, 11-16 parts of isopropyl phenyl diphenyl phosphate, 2.5-3.5 parts of dibasic lead phthalate, 16-22 parts of cervantite powder, 15-25 parts of brominated polystyrene, 10-15 parts of trioctyl citrate, 3-5 parts of cerous fluoride, 2-4 parts of a nano beta molecular sieve, 13-19 parts of asbestos powder, 4-6 parts of divinyl benzene, 15-20 parts of brucite powder, 10-15 parts of diethyl glutarate, 17-23 parts of a flame retardant, 1-2 parts of 2,4-bis(dodecylthiomethyl)-6-methylphenol, 2-3 parts of tri(2-hydroxyethyl)isocyanurate, 1-2 parts of 4,4'-dihydroxyl diphenyl sulfide and 4-6 parts of oxidized polyethlene wax. The sheath material is excellent in flame retardance and tracking resistance, has the characteristics of good heat resistance, acid and alkaline corrosion resistance, ultraviolet ageing resistance and oil resistance and the like, and can be widely applied to ultrahigh-voltage cable sheath layers.

Description

A kind of fire retardant ultra-pressure cable PVC sheath material and preparation method thereof
Technical field
The present invention relates to a kind of fire retardant ultra-pressure cable PVC sheath material and preparation method thereof, belong to cable material field.
Background technology
PVC cable material is resin based on polyvinyl chloride, adds the additive such as stablizer, softening agent, mineral filler, auxiliary agent and lubricant, mediates extrude and the particle prepared through mixture.As traditional cable material, it has excellent fire-retardant, electrical isolation, wear-resistant, good mechanical property and the advantage such as wide material sources, low price, and market share the most important market share at home.At present along with the continuous expansion of the electric wire market requirement and deepening continuously of China PVC scientific research and development work, more and more strict to the performance requriements of polyvinyl chloride cable material.Existing market also exists the shortcoming of flame retardant properties and resistance to electric trace poor performance for the pvc sheathing compound of extra-high-tension cable, cannot meet the need of market.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of fire retardant ultra-pressure cable PVC sheath material and preparation method thereof is provided, improve its flame retardant properties and resistance to electric trace performance.
For achieving the above object, the technical solution used in the present invention is as follows: a kind of fire retardant ultra-pressure cable PVC sheath material, be made up of the raw material of following weight part: SG-3 type polyvinyl chloride 33-55, polybenzimidazole 18-32, Diethylene Glycol double methacrylate 14-18, ISOPROPYL PHENYL DIPHENYL PHOSPHATE 11-16, Dythal 2.5-3.5, yellow antimony stone flour 16-22, brominated Polystyrene 15-25, trioctyl lemon acid 10-15, cerous fluoride 3-5, nano-beta molecular sieve 2-4, asbestos powder 13-19, Vinylstyrene 4-6, brucite powder 15-20, ethyl glutarate 10-15, fire retardant 17-23, 2, 4-bis-(dodecylthiomethyl)-6-methylphenol 1-2, three (2-hydroxyethyl) chlorinated isocyanurates 2-3, 4, 4'-dihydroxyl diphenyl sulfide 1-2, oxidized polyethlene wax 4-6,
The preparation method of described fire retardant is as follows: the ratio of a, in mass ratio 4-8:3-6:2-3 takes boehmite, brucite, polynite mix, pulverize, cross 150-200 mesh sieve, then the slurries that concentration is 50-60% are made in adding water making beating, then add the Na of NaOH and 15-25% of ZnO, 20-30% of slurry weight 4-6% 2sn(OH) 6, heating in water bath is to 70-80 DEG C, and stirring reaction 6-8h, is cooled to room temperature, and suction filtration, washing, drying are placed on 550-650 DEG C of temperature lower calcination 2-4h, are cooled to room temperature, and then add the NaMoO of weight of material 3-6% 4, 3-6% Ca (NO 3) 2with the LiNO of 30-50% 3, and add appropriate dehydrated alcohol grinding 1-2h, make it fully mix, 70-80 DEG C of dry 4-6h, then calcine 3-5h at being placed in 250-300 DEG C, be cooled to room temperature, pulverize, cross 200-300 mesh sieve; Tricresyl phosphate (butoxyethyl group) ester of 5-10%, 5-10% dimethyl methyl phosphonate, the dicyclopentadiene of 3-6% and the dimethyl diphenyl polysiloxane of 2-4% is added in the material that b, step a obtain, 500-1000rpm stirs 10-15min, dry, pulverize, cross 200-300 mesh sieve.
A preparation method for fire retardant ultra-pressure cable PVC sheath material, comprises the following steps:
(1) by SG-3 type polyvinyl chloride, polybenzimidazole, brominated Polystyrene, trioctyl lemon acid and ethyl glutarate add in kneader, when stirring makes material temperature rise to 55-75 DEG C, add yellow antimony stone flour, asbestos powder, brucite powder, Diethylene Glycol double methacrylate, ISOPROPYL PHENYL DIPHENYL PHOSPHATE, when stirring makes material temperature rise to 65-85 DEG C, add oxidized polyethlene wax, Dythal, nano-beta molecular sieve, fire retardant, stirring makes material temperature rise to 80-90 DEG C, material is gone in cold mixer, add remaining raw material, stirring makes material temperature be down to 35-45 DEG C, discharging,
(2) the above-mentioned material mixed is dropped into twin screw extruder and carry out extruding pelletization, twin screw extruder processing temperature is 150-170 DEG C, and rotating speed is 40-60r/min, namely obtains sheath material of the present invention after pellet drying, screening, packaging.
Beneficial effect of the present invention:
Cable jacket material of the present invention not only has excellent flame retardant resistance and resistance to electric trace, and has good heat-resisting, acid-alkali-corrosive-resisting, anti-ultraviolet aging, oil resistant, the feature such as wear-resisting, can be widely used in extra-high-tension cable restrictive coating.
Embodiment
Embodiment
A kind of fire retardant ultra-pressure cable PVC sheath material, be made up of the raw material of following weight (kg): SG-3 type polyvinyl chloride 45, polybenzimidazole 26, Diethylene Glycol double methacrylate 15, ISOPROPYL PHENYL DIPHENYL PHOSPHATE 14, Dythal 3, yellow antimony stone flour 18, brominated Polystyrene 20, trioctyl lemon acid 12, cerous fluoride 4, nano-beta molecular sieve 3, asbestos powder 16, Vinylstyrene 5, brucite powder 17, ethyl glutarate 12, fire retardant 19, 2, 4-bis-(dodecylthiomethyl)-6-methylphenol 1.5, three (2-hydroxyethyl) chlorinated isocyanurates 2, 4, 4'-dihydroxyl diphenyl sulfide 1.5, oxidized polyethlene wax 5,
The preparation method of described fire retardant is as follows: the ratio of a, in mass ratio 6:5:3 takes boehmite, brucite, polynite mix, pulverize, cross 150 mesh sieves, the slurries that concentration is 55% are made in the making beating that then adds water, then add the Na of the ZnO of slurry weight 5%, the NaOH of 25% and 20% 2sn(OH) 6, heating in water bath to 75 DEG C, stirring reaction 7h, is cooled to room temperature, and suction filtration, washing, drying are placed on 600 DEG C of temperature lower calcination 3h, are cooled to room temperature, and then add the NaMoO of weight of material 4% 4, 4% Ca (NO 3) 2with 40% LiNO 3, and add appropriate dehydrated alcohol grinding 1.5h, make it fully mix, 80 DEG C of dry 4h, then calcine 3h at being placed in 300 DEG C, be cooled to room temperature, pulverize, cross 200 mesh sieves; Add tricresyl phosphate (butoxyethyl group) ester of 7%, 6% dimethyl methyl phosphonate, the dicyclopentadiene of 4% and the dimethyl diphenyl polysiloxane of 3% in the material that b, step a obtain, 800rpm stirs 12min, dry, pulverize, and crosses 250 mesh sieves.
A preparation method for fire retardant ultra-pressure cable PVC sheath material, comprises the following steps:
(1) by SG-3 type polyvinyl chloride, polybenzimidazole, brominated Polystyrene, trioctyl lemon acid and ethyl glutarate add in kneader, when stirring makes material temperature rise to 55-75 DEG C, add yellow antimony stone flour, asbestos powder, brucite powder, Diethylene Glycol double methacrylate, ISOPROPYL PHENYL DIPHENYL PHOSPHATE, when stirring makes material temperature rise to 65-85 DEG C, add oxidized polyethlene wax, Dythal, nano-beta molecular sieve, fire retardant, stirring makes material temperature rise to 80-90 DEG C, material is gone in cold mixer, add remaining raw material, stirring makes material temperature be down to 35-45 DEG C, discharging,
(2) the above-mentioned material mixed is dropped into twin screw extruder and carry out extruding pelletization, twin screw extruder processing temperature is 150-170 DEG C, and rotating speed is 40-60r/min, namely obtains sheath material of the present invention after pellet drying, screening, packaging.
After testing, the results of property of sheath material that obtains of above-described embodiment is as following table:

Claims (2)

1. a fire retardant ultra-pressure cable PVC sheath material, it is characterized in that, be made up of the raw material of following weight part: SG-3 type polyvinyl chloride 33-55, polybenzimidazole 18-32, Diethylene Glycol double methacrylate 14-18, ISOPROPYL PHENYL DIPHENYL PHOSPHATE 11-16, Dythal 2.5-3.5, yellow antimony stone flour 16-22, brominated Polystyrene 15-25, trioctyl lemon acid 10-15, cerous fluoride 3-5, nano-beta molecular sieve 2-4, asbestos powder 13-19, Vinylstyrene 4-6, brucite powder 15-20, ethyl glutarate 10-15, fire retardant 17-23, 2, 4-bis-(dodecylthiomethyl)-6-methylphenol 1-2, three (2-hydroxyethyl) chlorinated isocyanurates 2-3, 4, 4'-dihydroxyl diphenyl sulfide 1-2, oxidized polyethlene wax 4-6,
The preparation method of described fire retardant is as follows: the ratio of a, in mass ratio 4-8:3-6:2-3 takes boehmite, brucite, polynite mix, pulverize, cross 150-200 mesh sieve, then the slurries that concentration is 50-60% are made in adding water making beating, then add the Na of NaOH and 15-25% of ZnO, 20-30% of slurry weight 4-6% 2sn(OH) 6, heating in water bath is to 70-80 DEG C, and stirring reaction 6-8h, is cooled to room temperature, and suction filtration, washing, drying are placed on 550-650 DEG C of temperature lower calcination 2-4h, are cooled to room temperature, and then add the NaMoO of weight of material 3-6% 4, 3-6% Ca (NO 3) 2with the LiNO of 30-50% 3, and add appropriate dehydrated alcohol grinding 1-2h, make it fully mix, 70-80 DEG C of dry 4-6h, then calcine 3-5h at being placed in 250-300 DEG C, be cooled to room temperature, pulverize, cross 200-300 mesh sieve; Tricresyl phosphate (butoxyethyl group) ester of 5-10%, 5-10% dimethyl methyl phosphonate, the dicyclopentadiene of 3-6% and the dimethyl diphenyl polysiloxane of 2-4% is added in the material that b, step a obtain, 500-1000rpm stirs 10-15min, dry, pulverize, cross 200-300 mesh sieve.
2. a preparation method for fire retardant ultra-pressure cable PVC sheath material as claimed in claim 1, is characterized in that comprising the following steps:
(1) by SG-3 type polyvinyl chloride, polybenzimidazole, brominated Polystyrene, trioctyl lemon acid and ethyl glutarate add in kneader, when stirring makes material temperature rise to 55-75 DEG C, add yellow antimony stone flour, asbestos powder, brucite powder, Diethylene Glycol double methacrylate, ISOPROPYL PHENYL DIPHENYL PHOSPHATE, when stirring makes material temperature rise to 65-85 DEG C, add oxidized polyethlene wax, Dythal, nano-beta molecular sieve, fire retardant, stirring makes material temperature rise to 80-90 DEG C, material is gone in cold mixer, add remaining raw material, stirring makes material temperature be down to 35-45 DEG C, discharging,
(2) the above-mentioned material mixed is dropped into twin screw extruder and carry out extruding pelletization, twin screw extruder processing temperature is 150-170 DEG C, and rotating speed is 40-60r/min, namely obtains sheath material of the present invention after pellet drying, screening, packaging.
CN201410595554.0A 2014-10-30 2014-10-30 Flame-retardant PVC (polyvinyl chloride) sheath material for ultrahigh-voltage cables and preparation method of material Pending CN104356542A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106751936A (en) * 2016-12-15 2017-05-31 芜湖浩权建筑工程有限公司 A kind of fire-retardant building electric power protective cover material and preparation method thereof
CN107674347A (en) * 2017-11-15 2018-02-09 湖州荣吴索道运输服务有限公司 A kind of preparation method of high temperature resistant weather-resistance flame-retardant cable jacket material

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011100584A2 (en) * 2010-02-12 2011-08-18 General Cable Technologies Corporation Compositions for riser and plenum cables
CN103122098A (en) * 2013-01-22 2013-05-29 安徽华津电缆集团有限公司 EVA (ethylene-vinyl acetate) elastomer sheath material for wind power generation torsion-resistant flexible cables and preparation method thereof
CN103509353A (en) * 2013-09-05 2014-01-15 安徽省科林电子有限公司 High and low temperature-resistant insulating sheath material for transformer and preparation method thereof
CN103524931A (en) * 2013-09-30 2014-01-22 芜湖航天特种电缆厂 High-abrasion-resistant polyvinyl chloride cable sheath material and preparation method thereof
CN103540063A (en) * 2013-10-29 2014-01-29 绿宝电缆（集团）有限公司 Modified polyvinyl chloride cable sheath material
CN103849084A (en) * 2012-12-04 2014-06-11 苏州亨利通信材料有限公司 Waterproof flame-retardant protective jacket layer used for cable and manufacturing process of protective jacket layer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011100584A2 (en) * 2010-02-12 2011-08-18 General Cable Technologies Corporation Compositions for riser and plenum cables
WO2011100584A3 (en) * 2010-02-12 2011-12-08 General Cable Technologies Corporation Compositions for riser and plenum cables
CN103849084A (en) * 2012-12-04 2014-06-11 苏州亨利通信材料有限公司 Waterproof flame-retardant protective jacket layer used for cable and manufacturing process of protective jacket layer
CN103122098A (en) * 2013-01-22 2013-05-29 安徽华津电缆集团有限公司 EVA (ethylene-vinyl acetate) elastomer sheath material for wind power generation torsion-resistant flexible cables and preparation method thereof
CN103509353A (en) * 2013-09-05 2014-01-15 安徽省科林电子有限公司 High and low temperature-resistant insulating sheath material for transformer and preparation method thereof
CN103524931A (en) * 2013-09-30 2014-01-22 芜湖航天特种电缆厂 High-abrasion-resistant polyvinyl chloride cable sheath material and preparation method thereof
CN103540063A (en) * 2013-10-29 2014-01-29 绿宝电缆（集团）有限公司 Modified polyvinyl chloride cable sheath material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106751936A (en) * 2016-12-15 2017-05-31 芜湖浩权建筑工程有限公司 A kind of fire-retardant building electric power protective cover material and preparation method thereof
CN107674347A (en) * 2017-11-15 2018-02-09 湖州荣吴索道运输服务有限公司 A kind of preparation method of high temperature resistant weather-resistance flame-retardant cable jacket material

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