CN105086073A - Waterproof and mouldproof composite low-smoke flame retardant cable material and preparation method thereof - Google Patents
Waterproof and mouldproof composite low-smoke flame retardant cable material and preparation method thereof Download PDFInfo
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- 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
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- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- 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
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
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- C08L2205/00—Polymer mixtures characterised by other features
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C08L2314/00—Polymer mixtures characterised by way of preparation
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Abstract
The invention discloses a waterproof and mouldproof composite low-smoke flame retardant cable material. The cable material is prepared from the following raw materials in parts by weight: 92-94 parts of high density polyethylene, 15-17 parts of decabromodiphenyl ether, 7-9 parts of antimonous oxide, 2-3 parts of metallocene polyethylene, 2-3 parts of nano magnesium hydroxide, 4-5 parts of cyclohexane, 0.2-0.3 part of gamma-aminopropyltriethoxysilane, 0.03-0.04 part of benzoyl peroxide, 4-6 parts of zinc borate, 2-3 parts of glyceryl monostearate, 6-8 parts of aluminium oxide, 1-2 parts of barium stearate, 2-3 parts of white vaseline, 3-4 parts of silicone acrylic emulsion, 8-10 parts of precipitated white carbon black, 1.3-1.5 parts of OBPA and 5-7 parts of ethylene-vinyl acetate copolymer. The cable material has the advantages that a surface coating layer is formed after the waterproof components are added, such as glyceryl monostearate and silicone acrylic emulsion, and mixing the waterproof components with high density polyethylene; as OBPA is added, the cable material has good mouldproof effects; the product has good toughness and aging resistance, is waterproof and mouldproof and has a wide range of application.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to a kind of waterproof mildew-resistant compound Low-smoke flame retardant cable material and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) is a kind of purposes general-purpose plastics widely, different according to the amount of adding softening agent, hard, semi-rigid and flexible article can be made, modification can also be carried out with other polymer blendings, make goods that are of a great variety, different properties, consumption is very large, is one of large general-purpose plastics in the world five.The demand of polyvinyl chloride resin and polyethylene, polypropylene rank front three in the world, and have risen to first at its consumption of China.Polyvinyl chloride itself is also inherent flame retardant material, and its oxygen index is very high, and flame retardant effect is fine, but pure PVC is rigid chain segment, just start to decompose more than 90 DEG C, processing just must add softening agent, softening agent is all inflammable substance, so flexible PVC must add fire retardant just have flame retardant effect.And polyvinyl chloride can produce hydrogen chloride gas when burning, and have very large toxicity and corrodibility, and dense smoke is more.Along with the raising of environmental requirement, the adjacent benzene class such as DOP softening agent is prohibited, and will play every advantage of poly-ethylene cable material thus further.
Polyethylene (PE) is one of maximum general-purpose plastics of current production rate, there is chemical resistance, light weight, electrical insulating property, nontoxic, easy processing, lower-price characteristic, be widely used in the industries such as electrical equipment, chemical industry, packaging, food, traffic, building.But the oxygen index of PE only has 17.5%, belongs to inflammable material, therefore need to carry out flame-retardant modified process to expand its range of application to it.Also have dielectric characteristics in order to improve poly-ethylene cable material, as space charge gather, volume specific resistance and disruptive strength etc., current high voltage direct current cable generally adopts traditional method to carry out modified poly ethylene Insulation Material.Wherein blending technology improves polyethylene dielectric properties to use a kind of maximum methods, but the blended micro interface that can form two phase structure of different components, even occur to material surface infiltration and separation phenomenon, affect other dielectric properties of blend, dielectric strength may be caused to reduce as blended.Therefore, the best way is that the component that use two kinds of chemical structures are similar, consistency is good is blended to carry out, thus eliminates the detrimentally affect of the micro interface of bi-material.Cable is often exposed to outdoor simultaneously, and experience is exposed to the weather and drenched with rain, and also needs to possess good waterproof, anti-mold effect, to extend the work-ing life of cable.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of waterproof mildew-resistant compound Low-smoke flame retardant cable material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of waterproof mildew-resistant compound Low-smoke flame retardant cable material, is made up of the raw material of following weight part: high density polyethylene(HDPE) 92-94, decabromodiphenyl oxide 15-17, antimonous oxide 7-9, metallocene PE 2-3, nano-sized magnesium hydroxide 2-3, hexanaphthene 4-5, γ-aminopropyl triethoxysilane 0.2-0.3, benzoyl peroxide 0.03-0.04, zinc borate 4-6, glyceryl monostearate 2-3, aluminium sesquioxide 6-8, barium stearate 1-2, white vaseline 2-3, organosilicon crylic acid latex 3-4, precipitated silica 8-10, OBPA1.3-1.5, ethylene-vinyl acetate copolymer 5-7.
Described a kind of waterproof mildew-resistant compound Low-smoke flame retardant cable material, be made up of following concrete steps:
(1) decabromodiphenyl oxide, antimonous oxide are joined in high-speed mixer, 15-20 minute is mixed at 80-90 DEG C, then the high density polyethylene(HDPE) of half amount is joined in high-speed mixer, 10-15 minute is mixed at 90-100 DEG C, finally the material mixed is placed in mill, to plasticate at 145 DEG C 8-10 minute slice, put into the dry 5-6 hour of baking oven after pulverizing, namely obtain flame-retardant master batch;
(2) nano-aluminum hydroxide and metallocene PE to be placed on respectively in 80 DEG C of Constant Temp. Ovens thermal treatment 6 hours stand-by; By dried nano-aluminum hydroxide ultrasonic disperse in hexanaphthene, form suspension, then add γ-aminopropyl triethoxysilane, suspension was poured in vessel after 20 minutes by ultrasonic disperse, put into baking oven, dry 24 hours at the temperature of 60 DEG C, obtain the nano powder of surface modification; The nano powder of dried metallocene PE and surface modification puts into mixer, and with the temperature batch mixing 30 minutes of 140 DEG C, then extruding pelletization in twin screw extruder, makes resistance and wear modified master;
(3) mix with zinc borate, aluminium sesquioxide, precipitated silica after white vaseline being heated to melting, temperature control 60 DEG C, grind and add organosilicon crylic acid latex, OBPA after 60 minutes, continue grinding puts into 80 DEG C baking oven after 30 minutes and dry; Ethylene-vinyl acetate copolymer is put into high-speed mixer, adds above-mentioned oven dry product when being heated to 110 DEG C, be sent in twin-screw extruder mixing, extrude, granulation after continuing to be warming up to 130 DEG C after mixing 5 minutes, cooling obtains mixture;
(4) flame-retardant master batch, resistance are worn modified master, mixture, remaining high density polyethylene(HDPE) and all the other remaining components and put into high-speed mixer, it is 160 DEG C in temperature, 15 minutes are mixed under the speed of 500 revs/min, blanking in 10 minutes is mixed again with the speed of 2000 revs/min, then twin screw extruder extruding pelletization is put into, finally by pellet in 80 DEG C of baking ovens dry 24 hours and get final product.
Advantage of the present invention is: the present invention is by the modification of recipe optimization, add the composition such as nano-aluminum hydroxide and metallocene PE, the introducing of these compositions significantly reduces injection and the gathering of space charge, improve space charge characteristic, improve DC breakdown strength of electric field, simultaneously due to containing a small amount of metallocene PE, improve tensile strength and the over-all properties of CABLE MATERIALS.Add decabromodiphenyl oxide and antimonous oxide, synergy, decreases the growing amount of inflammable gas, changes the resolution model of polymkeric substance, the thermostability of material is improved.Simultaneous reactions decomposites SbBr
3, the long period can rest on combustion zone, there is dilution and buffer action, improve flame retardant properties further.
The present invention adds the waterproof ingredient such as glyceryl monostearate, organosilicon crylic acid latex and the mixing rear formation plated surface rete of high density polyethylene(HDPE), effectively serve waterproof action, by being modified into partition ratio, add OBPA, have good anti-mold effect, the Product Process that the present invention makes is convenient to Industry Control, processing is smooth, good toughness, ageing-resistant performance are good, and waterproof mildew-resistant, purposes is wide.
Embodiment
A kind of waterproof mildew-resistant compound Low-smoke flame retardant cable material, is made up of the raw material of following weight part (kilogram): high density polyethylene(HDPE) 92, decabromodiphenyl oxide 15, antimonous oxide 7, metallocene PE 2, nano-sized magnesium hydroxide 2, hexanaphthene 4, γ aminopropyl triethoxysilane 0.2, benzoyl peroxide 0.03, zinc borate 4, glyceryl monostearate 2, aluminium sesquioxide 6, barium stearate 1, white vaseline 2, organosilicon crylic acid latex 3, precipitated silica 8, OBPA1.3, ethylene vinyl acetate copolymer 5.
Described a kind of waterproof mildew-resistant compound Low-smoke flame retardant cable material, be made up of following concrete steps:
(1) decabromodiphenyl oxide, antimonous oxide are joined in high-speed mixer, 15 minutes are mixed at 80 DEG C, then the high density polyethylene(HDPE) of half amount is joined in high-speed mixer, 10 minutes are mixed at 90 DEG C, finally the material mixed is placed in mill, to plasticate at 145 DEG C 8 minutes slices, put into baking oven after pulverizing dry 5 hours, namely obtain flame-retardant master batch;
(2) nano-aluminum hydroxide and metallocene PE to be placed on respectively in 80 DEG C of Constant Temp. Ovens thermal treatment 6 hours stand-by; By dried nano-aluminum hydroxide ultrasonic disperse in hexanaphthene, form suspension, then add γ aminopropyl triethoxysilane, suspension was poured in vessel after 20 minutes by ultrasonic disperse, put into baking oven, dry 24 hours at the temperature of 60 DEG C, obtain the nano powder of surface modification; The nano powder of dried metallocene PE and surface modification puts into mixer, and with the temperature batch mixing 30 minutes of 140 DEG C, then extruding pelletization in twin screw extruder, makes resistance and wear modified master;
(3) mix with zinc borate, aluminium sesquioxide, precipitated silica after white vaseline being heated to melting, temperature control 60 DEG C, grind and add organosilicon crylic acid latex, OBPA after 60 minutes, continue grinding puts into 80 DEG C baking oven after 30 minutes and dry; Ethylene vinyl acetate copolymer is put into high-speed mixer, adds above-mentioned oven dry product when being heated to 110 DEG C, be sent in twin-screw extruder mixing, extrude, granulation after continuing to be warming up to 130 DEG C after mixing 5 minutes, cooling obtains mixture;
(4) flame-retardant master batch, resistance are worn modified master, mixture, remaining high density polyethylene(HDPE) and all the other remaining components and put into high-speed mixer, it is 160 DEG C in temperature, 15 minutes are mixed under the speed of 500 revs/min, blanking in 10 minutes is mixed again with the speed of 2000 revs/min, then twin screw extruder extruding pelletization is put into, finally by pellet in 80 DEG C of baking ovens dry 24 hours and get final product.
CABLE MATERIALS of the present invention is applied to the production of cable, after testing, the index reached is as follows for cable product: tensile strength >=16MPa, and fracture extension rate >=280%, elongation at break velocity of variation is 14.6%, oxygen index >=28%, dielectric strength >=30MV/m.
Claims (2)
1. a waterproof mildew-resistant compound Low-smoke flame retardant cable material, it is characterized in that, be made up of the raw material of following weight part: high density polyethylene(HDPE) 92-94, decabromodiphenyl oxide 15-17, antimonous oxide 7-9, metallocene PE 2-3, nano-sized magnesium hydroxide 2-3, hexanaphthene 4-5, γ-aminopropyl triethoxysilane 0.2-0.3, benzoyl peroxide 0.03-0.04, zinc borate 4-6, glyceryl monostearate 2-3, aluminium sesquioxide 6-8, barium stearate 1-2, white vaseline 2-3, organosilicon crylic acid latex 3-4, precipitated silica 8-10, OBPA1.3-1.5, ethylene-vinyl acetate copolymer 5-7.
2. a kind of waterproof mildew-resistant compound Low-smoke flame retardant cable material according to claim 1, is characterized in that, be made up of following concrete steps:
(1) decabromodiphenyl oxide, antimonous oxide are joined in high-speed mixer, 15-20 minute is mixed at 80-90 DEG C, then the high density polyethylene(HDPE) of half amount is joined in high-speed mixer, 10-15 minute is mixed at 90-100 DEG C, finally the material mixed is placed in mill, to plasticate at 145 DEG C 8-10 minute slice, put into the dry 5-6 hour of baking oven after pulverizing, namely obtain flame-retardant master batch;
(2) nano-aluminum hydroxide and metallocene PE to be placed on respectively in 80 DEG C of Constant Temp. Ovens thermal treatment 6 hours stand-by; By dried nano-aluminum hydroxide ultrasonic disperse in hexanaphthene, form suspension, then add γ-aminopropyl triethoxysilane, suspension was poured in vessel after 20 minutes by ultrasonic disperse, put into baking oven, dry 24 hours at the temperature of 60 DEG C, obtain the nano powder of surface modification; The nano powder of dried metallocene PE and surface modification puts into mixer, and with the temperature batch mixing 30 minutes of 140 DEG C, then extruding pelletization in twin screw extruder, makes resistance and wear modified master;
(3) mix with zinc borate, aluminium sesquioxide, precipitated silica after white vaseline being heated to melting, temperature control 60 DEG C, grind and add organosilicon crylic acid latex, OBPA after 60 minutes, continue grinding puts into 80 DEG C baking oven after 30 minutes and dry; Ethylene-vinyl acetate copolymer is put into high-speed mixer, adds above-mentioned oven dry product when being heated to 110 DEG C, be sent in twin-screw extruder mixing, extrude, granulation after continuing to be warming up to 130 DEG C after mixing 5 minutes, cooling obtains mixture;
(4) flame-retardant master batch, resistance are worn modified master, mixture, remaining high density polyethylene(HDPE) and all the other remaining components and put into high-speed mixer, it is 160 DEG C in temperature, 15 minutes are mixed under the speed of 500 revs/min, blanking in 10 minutes is mixed again with the speed of 2000 revs/min, then twin screw extruder extruding pelletization is put into, finally by pellet in 80 DEG C of baking ovens dry 24 hours and get final product.
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| CN201510511898.3A CN105086073A (en) | 2015-08-20 | 2015-08-20 | Waterproof and mouldproof composite low-smoke flame retardant cable material and preparation method thereof |
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| CN201510511898.3A CN105086073A (en) | 2015-08-20 | 2015-08-20 | Waterproof and mouldproof composite low-smoke flame retardant cable material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112011113A (en) * | 2020-03-23 | 2020-12-01 | 桐城市东风塑胶有限责任公司 | Plastic flame-retardant film |
| CN112920625A (en) * | 2021-01-27 | 2021-06-08 | 卢建平 | Modified carbon black and preparation method thereof |
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| CN102485782A (en) * | 2010-12-03 | 2012-06-06 | 上海特缆电工科技有限公司 | Crosslinked, oil-resistant, low temperature-resistant, low-smoke, halogen-free and flame-retardant cable material and its preparation method |
| CN103509228A (en) * | 2013-10-12 | 2014-01-15 | 绿宝电缆（集团）有限公司 | Flame-retardant polyethylene cable material capable of preventing mould |
| CN104341657A (en) * | 2013-08-08 | 2015-02-11 | 扬州德宝电缆有限公司 | Production method for low-smoke halogen-free mica mineral reinforced fire-resistant cable material |
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2015
- 2015-08-20 CN CN201510511898.3A patent/CN105086073A/en active Pending
Patent Citations (3)
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| CN102485782A (en) * | 2010-12-03 | 2012-06-06 | 上海特缆电工科技有限公司 | Crosslinked, oil-resistant, low temperature-resistant, low-smoke, halogen-free and flame-retardant cable material and its preparation method |
| CN104341657A (en) * | 2013-08-08 | 2015-02-11 | 扬州德宝电缆有限公司 | Production method for low-smoke halogen-free mica mineral reinforced fire-resistant cable material |
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| 王丽丽等: "低卤低烟阻燃HDPE电缆料的研制", 《合成树脂及塑料》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112011113A (en) * | 2020-03-23 | 2020-12-01 | 桐城市东风塑胶有限责任公司 | Plastic flame-retardant film |
| CN112920625A (en) * | 2021-01-27 | 2021-06-08 | 卢建平 | Modified carbon black and preparation method thereof |
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Application publication date: 20151125 |