CN106543518A - A kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth - Google Patents
A kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth Download PDFInfo
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- CN106543518A CN106543518A CN201610902000.XA CN201610902000A CN106543518A CN 106543518 A CN106543518 A CN 106543518A CN 201610902000 A CN201610902000 A CN 201610902000A CN 106543518 A CN106543518 A CN 106543518A
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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
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- 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)
Abstract
The invention discloses a kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth, it is prepared by the raw materials in：Low Density Polyethylene 100 105, appropriate dehydrated alcohol, nano magnesia 1.5 2, Silane coupling agent KH550 0.1 0.12, enzymolysis xylogen 20 22, sodium hydroxide solution 400 420 of the concentration for 2wt%, formalin 67 of the concentration for 45wt%, tripolycyanamide 15 16, the hydrochloric acid of 0.1mol/L is appropriate, sodium pyrophosphate 45, microencapsulated powder oil 56, appropriate deionized water, Tissuemat E 34, hydrogenation polydextrose 0.5 0.6, hydroxypropyl methyl polysiloxanes 1 1.3, montmorillonite 78, bromination dinonyl dimethylamine 1.4 1.6, Triallyl isocyanurate 34.Product water resistant tree of the present invention, resistance are worn, and intensity is high, wear-resisting to be not easily broken, the power cable being adapted under wet environment.
Description
Technical field
The present invention relates to CABLE MATERIALS technical field, more particularly to the cable that a kind of addition modified montmorillonoid suppresses water tree to grow
Material.
Background technology
Polyethylene is because with excellent electrical property, mechanical property, chemical-resistance and good processing characteristics, extensively should
For making the daily living articles such as thin film, tubing, electric wire, plastic, packaging material and other high-grade, precision and advanced engineering skills
Art field.Wherein Low Density Polyethylene has prominent pliability and an insulating properties, nontoxic and be easy to coloring, is largely used to cable
Material, replaces halogen-containing polrvinyl chloride.Electric wire can constantly be subject to electricity, heat and mechanical stress etc. various in application process
During the comprehensive function, such as overcurrent of factor, conductor can inject electronics and hole to insulating barrier, and insulating barrier easily occurs electronics
Or hole accumulation, Space-charge effect is formed, is caused electric field distortion, electrical breakdown is occurred when serious, transmission of electricity accident is caused；Therefore, seek
Effective way is looked for suppress space charge accumulation, homogenizing insulating barrier Electric Field Distribution to suppress electric branch growth, extend the use longevity of cable
Life, is to prepare high-performance electric wire problem demanding prompt solution.
《The preparation of multi-layer mesoporous nano-MgO/LDPE Composite and its insulating properties》Using low in one text
Boiling point solvent method prepares multi-layer mesoporous structure nano magnesium oxide, realizes uniform point in Low Density Polyethylene of nano magnesia
Dissipate, space charge accumulation is restrained effectively under the Low Density Polyethylene 70KV/mm electric fields for adding 1% nano magnesia, is improved
Dc breakdown intensity, reduces dielectric constant, while electronics and hole injection are effectively inhibited in the case where high field is strong, prevents tunnel
The generation of channel effect, it is suppressed that the generation of Space-charge effect, the dielectric properties of composite are met as High Performance Insulation material
Use condition.But as the oxygen index (OI) of polythene material is than relatively low, belong to combustible material, in addition it is also necessary to which fire-retardant changing is carried out to which
Property after could further meet the use demand of CABLE MATERIALS, the combination property of cable insulation material determines that wire is used safely
Property, therefore it is required that carrying out while Dielectric Properties carrying out its anti-flammability, heat stability, mechanical property etc. to insulant
Further investigation.
The content of the invention
The object of the invention is exactly for the defect for making up prior art, there is provided a kind of addition modified montmorillonoid suppresses water tree life
Long CABLE MATERIALS.
The present invention is achieved by the following technical solutions：
A kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth, is prepared by the raw materials in：Low density polyethylene
Alkene 100-105, appropriate dehydrated alcohol, nano magnesia 1.5-2, Silane coupling agent KH550 0.1-0.12, enzymolysis xylogen 20-
22nd, concentration be the sodium hydroxide solution 400-420 of 2wt%, concentration be the formalin 6-7 of 45wt%, tripolycyanamide 15-16,
The hydrochloric acid of 0.1mol/L is appropriate, sodium pyrophosphate 4-5, microencapsulated powder oil 5-6, appropriate deionized water, Tissuemat E 3-4, hydrogenate
Polydextrose 0.5-0.6, hydroxypropyl methyl polysiloxanes 1-1.3, montmorillonite 7-8, bromination dinonyl dimethylamine 1.4-1.6, triolefin
Propyl group isocyanuric acid ester 3-4.
A kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth, is made up of step in detail below：
（1）By nano magnesia ultrasonic disperse in the 4-5 times of dehydrated alcohol measured, it is centrifuged, is dried, will be dried nano oxidized
Magnesium is put in Muffle furnace, is warming up to 200-220 DEG C with the heating rate of 3-5 DEG C/min, is incubated 30-40 minutes, is taken out after cooling
It is stand-by；Silane coupling agent KH550 is dissolved in the 10-12 times of dehydrated alcohol measured, is then mixed with the nano magnesia after calcining,
It is centrifuged after ultrasonic disperse 30-40 minutes, filters, is dried, obtains modified Nano magnesium oxide；
（2）The sodium hydroxide solution of enzymolysis xylogen and concentration for 2wt% is mixed, with 300-400 rev/min of speed stir to
Be completely dissolved, be heated to 90-95 DEG C, concentration is added for the formalin of 45wt%, continuation after stirring reaction 100-120 minute
Tripolycyanamide is added, it is during the hydrochloric acid of 0.1mol/L is slowly added dropwise after continuing reaction 90-120 minutes and rear stand-by；By sodium pyrophosphate
It is dissolved in the 18-20 times of deionized water measured, is subsequently adding in above-mentioned reaction, continue stirring reaction 60-90 minute, precipitation is generated,
Stand, filter, deionized water is cleaned 2-3 time, being dried with 80-90 DEG C of temperature in being then placed in vacuum drying oven, final powder
It is broken, 200 mesh sieves are crossed, modified enzymolysis lignin is obtained；
（3）Montmorillonite is added in the 20-30 times of deionized water measured, 70-80 DEG C is heated to while stirring, is subsequently adding and is dissolved in 20
The bromination dinonyl dimethylamine of deionized water is measured again, with microwave treatment 8- after the speed stirring 60-80 minutes of 600-800 turn/part
10 minutes, sucking filtration was dried under vacuum to constant weight after being washed with deionized 2-3 time, cross 200 mesh sieves stand-by；Above-mentioned powder is added
In high speed mixer, Triallyl isocyanurate, hydrogenation polydextrose, hydroxypropyl methyl polysiloxanes are added, 100- is heated to
110 DEG C, to discharge after 1000-1200 rev/min of speed stirring 10-15 minutes, obtain water resistant tree filler；
（4）By step（1）（2）（3）The product for obtaining is put into jointly mixed at a high speed with Low Density Polyethylene and remaining residual components
In material machine, to send in double roller open mill after the speed stirring mixing 10-12 minutes of 800-1000 turn/part, control is warm
150-160 DEG C of degree is kneaded, and is then fed in double screw extruder, 150-170 DEG C of temperature control, and extruding pelletization is obtained final product.
It is an advantage of the invention that：The present invention using Mannich reaction principle by formaldehyde, tripolycyanamide, sodium pyrophosphate etc. into
Point it is modified reaction to enzymolysis xylogen, generation modified enzymolysis lignin, as a kind of carbon source in thermal decomposition process, can be with
Thermal decomposition to macromolecular material plays inhibitory action, is compounded with microencapsulated powder oil, is added to Low Density Polyethylene cable
In the preparation of material, synergism has obvious flame-retardant smoke inhibition effect, while the flame-retardant composition of addition is not halogen, by natural materials
Generate, those non-renewable resources, safety and environmental protection can be substituted, while flame retardant effect is excellent；The present invention also system of CABLE MATERIALS again
Modified Nano magnesium oxide be with the addition of in standby, with meso-hole structure, is uniformly dispersed in Low Density Polyethylene by batch mixing, compared with
Electronics and hole injection are effectively inhibited under high field intensity, the generation of tunnel-effect is prevented, it is suppressed that the generation of Space-charge effect, is carried
High dc breakdown intensity, improves the anti-breakdown performance and insulation stability of CABLE MATERIALS of the present invention.
The modified montmorillonite in present invention addition surface is added in matrix polyethylene, can preferably merge, coordinate hydrogen
Change the addition of polydextrose, moisture is constrained in the activity at interface, it is to avoid moisture condensation, such that it is able to suppress the growth of water tree；
Polyethylene base material CABLE MATERIALS excellent combination property made by the present invention, water resistant tree, resistance are worn, and intensity is high, wear-resisting to be not easily broken, and fit
Close the power cable under wet environment, environmental protection.
Specific embodiment
A kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth, by following weight portion（Kilogram）Raw material make：
It is Low Density Polyethylene 100, appropriate dehydrated alcohol, nano magnesia 1.5, Silane coupling agent KH550 0.1, enzymolysis xylogen 20, dense
Spend formalin 6 of the sodium hydroxide solution 400, concentration for 2wt% for 45wt%, the hydrochloric acid of tripolycyanamide 15,0.1mol/L
In right amount, sodium pyrophosphate 4, microencapsulated powder oil 5, appropriate deionized water, Tissuemat E 3, hydrogenation polydextrose 0.5, hydroxypropyl methyl
Polysiloxanes 1, montmorillonite 7, bromination dinonyl dimethylamine 1.4, Triallyl isocyanurate 3.
A kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth, is made up of step in detail below：
（1）By nano magnesia ultrasonic disperse in the dehydrated alcohol of 4 times of amounts, it is centrifuged, is dried, by dried nano magnesia
Be put in Muffle furnace, 200 DEG C be warming up to the heating rate of 3 DEG C/min, be incubated 30 minutes, take out stand-by after cooling；By silane
Coupling agent KH550 is dissolved in the dehydrated alcohol of 10 times of amounts, is then mixed with the nano magnesia after calcining, ultrasonic disperse 30 minutes
It is centrifuged afterwards, filters, is dried, obtains modified Nano magnesium oxide；
（2）The sodium hydroxide solution of enzymolysis xylogen and concentration for 2wt% is mixed, is stirred to complete with 300 revs/min of speed
Dissolving, is heated to 90 DEG C, adds the formalin that concentration is 45wt%, stirring reaction to continuously add melamine after 100 minutes
Amine, it is during the hydrochloric acid of 0.1mol/L is slowly added dropwise after continuing reaction 90 minutes and rear stand-by；Sodium pyrophosphate is dissolved in into going for 18 times of amounts
In ionized water, it is subsequently adding in above-mentioned reaction, continues stirring reaction 60 minutes, precipitation is generated, standing, filtration, deionized water
Cleaning 2 times, is dried with 80 DEG C of temperature in being then placed in vacuum drying oven, is finally crushed, crossed 200 mesh sieves, obtain modified enzymolysis
Lignin；
（3）Montmorillonite is added in the deionized water of 20 times of amounts, 70 DEG C is heated to while stirring, is subsequently adding and is dissolved in 20 times of amounts
The bromination dinonyl dimethylamine of ionized water, microwave treatment 8 minutes after being stirred 60 minutes with the speed of 600 turns/part, sucking filtration spends
Constant weight is dried under vacuum to after ion water washing 2 times, 200 mesh sieves is crossed stand-by；Above-mentioned powder is added in high speed mixer, three are added
Allyl iso cyanurate, hydrogenation polydextrose, hydroxypropyl methyl polysiloxanes, are heated to 100 DEG C, with 1000 revs/min of speed
Stirring discharged after 10 minutes, obtained water resistant tree filler；
（4）By step（1）（2）（3）The product for obtaining is put into jointly mixed at a high speed with Low Density Polyethylene and remaining residual components
In material machine, send in double roller open mill after being mixed 10 minutes with the speed stirring of 800 turns/part, 150 DEG C of temperature of control is entered
Row mixing, is then fed in double screw extruder, 150 DEG C of temperature control, and extruding pelletization is obtained final product.
CABLE MATERIALS of the present invention is applied to into the production of cable, after testing, the index for reaching is as follows for cable product：Tensile strength
20.8MPa, elongation at break 319.5%, oxygen index (OI) 32.9%, dielectric strength 34.1MV/m.
Claims (2)
1. a kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth, it is characterised in that by the raw material system of following weight portion
Into：Low Density Polyethylene 100-105, appropriate dehydrated alcohol, nano magnesia 1.5-2, Silane coupling agent KH550 0.1-0.12,
Enzymolysis xylogen 20-22, concentration are the sodium hydroxide solution 400-420 of 2wt%, concentration for 45wt% formalin 6-7, three
The hydrochloric acid of poly cyanamid 15-16,0.1mol/L is appropriate, sodium pyrophosphate 4-5, microencapsulated powder oil 5-6, appropriate deionized water, poly- second
Alkene wax 3-4, hydrogenation polydextrose 0.5-0.6, hydroxypropyl methyl polysiloxanes 1-1.3, montmorillonite 7-8, bromination dinonyl dimethylamine
1.4-1.6, Triallyl isocyanurate 3-4.
2. according to claim 1 it is a kind of addition modified montmorillonoid suppress water tree growth CABLE MATERIALS, it is characterised in that by with
Lower concrete steps are made：
（1）By nano magnesia ultrasonic disperse in the 4-5 times of dehydrated alcohol measured, it is centrifuged, is dried, will be dried nano oxidized
Magnesium is put in Muffle furnace, is warming up to 200-220 DEG C with the heating rate of 3-5 DEG C/min, is incubated 30-40 minutes, is taken out after cooling
It is stand-by；Silane coupling agent KH550 is dissolved in the 10-12 times of dehydrated alcohol measured, is then mixed with the nano magnesia after calcining,
It is centrifuged after ultrasonic disperse 30-40 minutes, filters, is dried, obtains modified Nano magnesium oxide；
（2）The sodium hydroxide solution of enzymolysis xylogen and concentration for 2wt% is mixed, with 300-400 rev/min of speed stir to
Be completely dissolved, be heated to 90-95 DEG C, concentration is added for the formalin of 45wt%, continuation after stirring reaction 100-120 minute
Tripolycyanamide is added, it is during the hydrochloric acid of 0.1mol/L is slowly added dropwise after continuing reaction 90-120 minutes and rear stand-by；By sodium pyrophosphate
It is dissolved in the 18-20 times of deionized water measured, is subsequently adding in above-mentioned reaction, continue stirring reaction 60-90 minute, precipitation is generated,
Stand, filter, deionized water is cleaned 2-3 time, being dried with 80-90 DEG C of temperature in being then placed in vacuum drying oven, final powder
It is broken, 200 mesh sieves are crossed, modified enzymolysis lignin is obtained；
（3）Montmorillonite is added in the 20-30 times of deionized water measured, 70-80 DEG C is heated to while stirring, is subsequently adding and is dissolved in 20
The bromination dinonyl dimethylamine of deionized water is measured again, with microwave treatment 8- after the speed stirring 60-80 minutes of 600-800 turn/part
10 minutes, sucking filtration was dried under vacuum to constant weight after being washed with deionized 2-3 time, cross 200 mesh sieves stand-by；Above-mentioned powder is added
In high speed mixer, Triallyl isocyanurate, hydrogenation polydextrose, hydroxypropyl methyl polysiloxanes are added, 100- is heated to
110 DEG C, to discharge after 1000-1200 rev/min of speed stirring 10-15 minutes, obtain water resistant tree filler；
（4）By step（1）（2）（3）The product for obtaining is put into jointly mixed at a high speed with Low Density Polyethylene and remaining residual components
In material machine, to send in double roller open mill after the speed stirring mixing 10-12 minutes of 800-1000 turn/part, control is warm
150-160 DEG C of degree is kneaded, and is then fed in double screw extruder, 150-170 DEG C of temperature control, and extruding pelletization is obtained final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610902000.XA CN106543518A (en) | 2016-10-18 | 2016-10-18 | A kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610902000.XA CN106543518A (en) | 2016-10-18 | 2016-10-18 | A kind of addition modified montmorillonoid suppresses the CABLE MATERIALS of water tree growth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802876A (en) * | 2017-11-18 | 2018-03-16 | 安徽玉然经编科技有限公司 | A kind of preparation method of filler for medical bandage manufacture |
| CN116285357A (en) * | 2021-12-13 | 2023-06-23 | 国网湖南省电力有限公司 | Montmorillonite/silicone rubber composite material based on electron beam radiation crosslinking, and preparation method and application thereof |
-
2016
- 2016-10-18 CN CN201610902000.XA patent/CN106543518A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802876A (en) * | 2017-11-18 | 2018-03-16 | 安徽玉然经编科技有限公司 | A kind of preparation method of filler for medical bandage manufacture |
| CN116285357A (en) * | 2021-12-13 | 2023-06-23 | 国网湖南省电力有限公司 | Montmorillonite/silicone rubber composite material based on electron beam radiation crosslinking, and preparation method and application thereof |
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