CN110408106A - A kind of blending type cable sheath material and preparation method thereof - Google Patents
A kind of blending type cable sheath material and preparation method thereof Download PDFInfo
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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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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
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- 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
- C08L2205/03—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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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Abstract
The invention discloses a kind of blending type cable sheath materials and preparation method thereof.The blending type cable sheath material, according to parts by weight, including the following raw material: 55~70 parts of high-density polyethylene resin, 10~25 parts of linear low density polyethylene resin, 10~20 parts of Silane Grafted ldpe resin, 10~30 parts of composite modified reinforced filling, 1~6 part of modified graphene, 1~3 part of epoxidized soybean oil, 1~5 part of polyethylene wax, 0.5~2 part of antioxidant, 1~5 part of crosslinking agent.Blending type cable sheath material provided by the invention does not contain halogen, and when burning will not discharge toxic gas, more environment-friendly and safer, and has low cigarette, flame retardant effect, and oxygen index (OI) can reach 39, UL94 fire-retardant rank and reach V-0.
Description
Technical field
The present invention relates to polymer-function material technical field, in particular to a kind of blending type cable sheath material and its system
Preparation Method.
Background technique
Polyethylene becomes mesolow cable because having excellent insulation and dielectric properties as one of polyolefine material
The good selection of material.But single polyethylene is as mechanical performance, flame retardant property existing for cable material and heat resistance
Bad problem is particularly applied to the poly-ethylene cable material in mesohigh wire and cable field, is there is external fire source or cable
In the case where due to the heating of ontology failure, it is particularly easy to ignition.In recent years, halogenated flame retardant especially bromide fire retardant by
In having many advantages, such as that additive amount is few, compatibility is less, flame retarding efficiency is high, by numerous concerns, but contain halogenated flame retardant
High molecular material can generate a large amount of smog and toxic, corrosive gas in burning, once fire occurs, would interfere with fire
Lifesaving, the evacuation of fire-fighting work and personnel, and instrument and equipment may be corroded.In order to reduce two caused by noxious gas emission
Secondary harm, the blending type cable sheath material for developing halogen-free flameproof have important practical significance.
Summary of the invention
The purpose of the present invention is intended to provide a kind of blending type cable sheath material and preparation method thereof, to solve above-mentioned technology
Problem.
To achieve the goals above, the technical solution of the present invention is as follows:
In a first aspect, a kind of blending type cable sheath material provided by the invention, according to parts by weight, including it is following former
Material: 55~70 parts of high-density polyethylene resin, 10~25 parts of linear low density polyethylene resin, Silane Grafted low density polyethylene (LDPE)
10~20 parts of resin, 10~30 parts of composite modified reinforced filling, 1~6 part of modified graphene, 1~3 part of epoxidized soybean oil, poly- second
1~5 part of alkene wax, 0.5~2 part of antioxidant, 1~5 part of crosslinking agent.
Preferably, the modified graphene is to be made using following methods:
Urea liquid is added drop-wise in graphene oxide dispersion, after ultrasonic disperse 3~8 hours, in 120~180 DEG C of water
4~8h of thermal response obtains amino modified graphene hydrogel, after amino modified graphene hydrogel is crushed, is redispersed in water
In, it after atomization, cryogenic condensation, then is freeze-dried, obtains graphene aerogel micro mist, titanium is added in graphene aerogel micro mist
In acid esters coupling agent, 120~150 DEG C are warming up to, is reacted 2~4 hours, through being dried to obtain modified graphene.
It is further preferred that the mass ratio of the urea and the graphene oxide is 10~30:1.
It is further preferred that the volume ratio of the urea liquid and the graphene oxide dispersion is 0.01~0.1:1.
It is further preferred that the mass concentration of graphene oxide is 1~5mg/mL in the graphene oxide dispersion.
Preferably, the composite modified reinforced filling is to be made using following methods:
It disperses reinforced filling in organic solvent, is configured to suspension, suspension is warming up to 60~80 DEG C, silicon is added
Alkane coupling agent stirs 1~4h at 60~80 DEG C, adds epoxy resin, continues to stir 1~3h at 60~80 DEG C, pass through
It filters, wash, being dried to obtain composite modified reinforced filling.
It is further preferred that the reinforced filling, according to parts by weight, comprising: 3~10 parts of calcium carbonate, silica 1~
5 parts, 1~3 part of talcum powder.
It is further preferred that the organic solvent is selected from dehydrated alcohol, anhydrous propanone, benzene,toluene,xylene, hexamethylene
One of or it is a variety of.
It is further preferred that the mass ratio of the organic solvent and the reinforced filling is 1~5:1.
It is further preferred that the mass ratio of the silane coupling agent and the reinforced filling is 0.1~0.3:1.
Second aspect, a kind of preparation side of blending type cable sheath material as described in relation to the first aspect provided by the invention
Method includes the following steps:
High-density polyethylene resin, linear low density polyethylene resin, Silane Grafted ldpe resin are put into
In high speed mixer, after being stirred 5~15min, by composite modified reinforced filling, modified graphene, epoxidized soybean oil, poly- second
Alkene wax, antioxidant, crosslinking agent are put into high speed mixer, are continued after being stirred 5~30min, and the open modeling of double roller is sent into
In mill, 120~150 DEG C of temperature of control is kneaded, and is then fed into double screw extruder, 180~210 DEG C of temperature control, is squeezed out
It is granulated to obtain the final product.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is with high-density polyethylene resin, linear low density polyethylene resin, Silane Grafted low density polyethylene (LDPE) tree
The blend composition of rouge is basic sizing material, improves the heat resistance of cable sheath material, and low with Silane Grafted close by modified graphene
Polyvinyl resin synergistic effect is spent, the anti-flammability of cable sheath material, blending type cable sheath material provided by the invention are improved
Without containing halogen, when burning, will not discharge toxic gas, more environment-friendly and safer, and have low cigarette, flame retardant effect, and oxygen index (OI) can
Reach 39, UL94 fire-retardant rank and reaches V-0.
Specific embodiment
Specific embodiments of the present invention will be further explained below.It should be noted that for these implementations
The explanation of mode is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, invention described below
Technical characteristic involved in each embodiment can be combined with each other as long as they do not conflict with each other.
In a first aspect, a kind of blending type cable sheath material provided by the invention, according to parts by weight, including it is following former
Material: 55~70 parts of high-density polyethylene resin, 10~25 parts of linear low density polyethylene resin, Silane Grafted low density polyethylene (LDPE)
10~20 parts of resin, 10~30 parts of composite modified reinforced filling, 1~6 part of modified graphene, 1~3 part of epoxidized soybean oil, poly- second
1~5 part of alkene wax, 0.5~2 part of antioxidant, 1~5 part of crosslinking agent.
In the present embodiment, the modified graphene is to be made using following methods:
Urea liquid is added drop-wise in graphene oxide dispersion, after ultrasonic disperse 3~8 hours, in 120~180 DEG C of water
4~8h of thermal response obtains amino modified graphene hydrogel, after amino modified graphene hydrogel is crushed, is redispersed in water
In, it after atomization, cryogenic condensation, then is freeze-dried, obtains graphene aerogel micro mist, titanium is added in graphene aerogel micro mist
In acid esters coupling agent, 120~150 DEG C are warming up to, is reacted 2~4 hours, through being dried to obtain modified graphene.
Further, the mass ratio of the urea and the graphene oxide is 10~30:1.
Further, the volume ratio of the urea liquid and the graphene oxide dispersion is 0.01~0.1:1.
Further, the mass concentration of graphene oxide is 1~5mg/mL in the graphene oxide dispersion.
It is understood that the present invention is first modified graphene, hydrogel is made, then aeroge micro mist is made, greatly
Increase the porosity of graphene aerogel micro mist greatly, the surface of titanate coupling agent covalent bonding graphene aerogel micro mist,
It can prevent graphene that deposition occurs and reunites, it is good with the compatibility of sizing material in mixing process, its flame retardant property is given full play to,
Improve the heat resistance of cable sheath material.
In the present embodiment, the composite modified reinforced filling is to be made using following methods:
It disperses reinforced filling in organic solvent, is configured to suspension, suspension is warming up to 60~80 DEG C, silicon is added
Alkane coupling agent stirs 1~4h at 60~80 DEG C, adds epoxy resin, continues to stir 1~3h at 60~80 DEG C, pass through
It filters, wash, being dried to obtain composite modified reinforced filling.
Further, the reinforced filling, according to parts by weight, comprising: 3~10 parts of calcium carbonate, silica 1~5 part,
1~3 part of talcum powder.
Further, the organic solvent is in dehydrated alcohol, anhydrous propanone, benzene,toluene,xylene, hexamethylene
It is one or more.
Further, the organic solvent is dehydrated alcohol.
Further, the mass ratio of the organic solvent and the reinforced filling is 1~5:1.
Further, the silane coupling agent is γ-methacryloxypropyl trimethoxy silane.
Further, the mass ratio of the silane coupling agent and the reinforced filling is 0.1~0.3:1.
It is understood that the present invention introduces active carbon-carbon double bond on the surface of reinforced filling by silane coupling agent, so
It is emulsified afterwards using modified reinforced filling and epoxy resin, so that epoxy resin coating modification reinforced filling, reaches asphalt mixtures modified by epoxy resin
Rouge-silane coupling agent grafting and coating reinforced filling purpose is good with the compatibility of sizing material in mixing process, it is easy in sizing material
In spread out, give full play to the functions such as its reinforcement, fire-retardant, stable.
In the present embodiment, the antioxidant is in antioxidant 1010, antioxidant 168, antioxidant 300
It is one or more.
Further, the antioxidant is antioxidant 1010.
In the present embodiment, the crosslinking agent is cumyl peroxide.
Second aspect, a kind of preparation side of blending type cable sheath material as described in relation to the first aspect provided by the invention
Method includes the following steps:
High-density polyethylene resin, linear low density polyethylene resin, Silane Grafted ldpe resin are put into
In high speed mixer, after being stirred 5~15min, by composite modified reinforced filling, modified graphene, epoxidized soybean oil, poly- second
Alkene wax, antioxidant, crosslinking agent are put into high speed mixer, are continued after being stirred 5~30min, and the open modeling of double roller is sent into
In mill, 120~150 DEG C of temperature of control is kneaded, and is then fed into double screw extruder, 180~210 DEG C of temperature control, is squeezed out
It is granulated to obtain the final product.
Specific embodiments of the present invention are described further below.
In following embodiment and comparative example, the average grain diameter of reinforced filling is no more than 100nm.
Embodiment 1
A kind of preparation method of blending type cable sheath material provided in this embodiment, includes the following steps:
(1) modified graphene is prepared
Urea liquid is added drop-wise in graphene oxide dispersion, after ultrasonic disperse 5 hours, in 160 DEG C of hydro-thermal reaction 6h
Amino modified graphene hydrogel is obtained, after amino modified graphene hydrogel is crushed, is redispersed in water, is atomized, is low
It after temperature condensation, then is freeze-dried, obtains graphene aerogel micro mist, titanate coupling agent is added in graphene aerogel micro mist
In, it is warming up to 120~150 DEG C, reacts 2~4 hours, through being dried to obtain modified graphene, wherein urea and graphene oxide
Mass ratio is 20:1, and the volume ratio of urea liquid and graphene oxide dispersion is 0.05:1, oxygen in graphene oxide dispersion
The mass concentration of graphite alkene is 1.5mg/mL；
(2) composite modified reinforced filling is prepared
Weigh following raw materials according to parts by weight: 6 parts of calcium carbonate, 2 parts of silica, 2 parts of talcum powder, dehydrated alcohol 25
Part, 1 part of γ-methacryloxypropyl trimethoxy silane, 1 part of epoxy resin；Dehydrated alcohol is dispersed by reinforced filling
In, it is configured to suspension, suspension is warming up to 70 DEG C, γ-methacryloxypropyl trimethoxy silane is added, 70
3h is stirred at DEG C, adds epoxy resin, and continuation stirs 2h at 70 DEG C, is filtered, washed, is dried to obtain composite modified reinforcement
Filler；
(3) cable sheath material is prepared
Weigh following raw materials according to parts by weight: 65 parts of high-density polyethylene resin, linear low density polyethylene resin
20 parts, 15 parts of Silane Grafted ldpe resin, 15 parts of composite modified reinforced filling, 5 parts of modified graphene, epoxy soybean
Oily 2 parts, 3 parts of polyethylene wax, 1 part of antioxidant 1010,2 parts of cumyl peroxide；By high-density polyethylene resin, linearly
Ldpe resin, Silane Grafted ldpe resin are put into high speed mixer, will after being stirred 10min
Composite modified reinforced filling, modified graphene, epoxidized soybean oil, polyethylene wax, antioxidant 1010, cumyl peroxide are put
Enter in high speed mixer, continue after being stirred 20min, be sent into double roller open mill, 130 DEG C of temperature of control is mixed
Refining, is then fed into double screw extruder, 190 DEG C of temperature control, extruding pelletization to obtain the final product.
After tested, the performance test results of the present embodiment products obtained therefrom are as follows: oxygen index (OI) reaches 39.7, UL94 fire-retardant rank
Reach V-0.
Embodiment 2
A kind of preparation method of blending type cable sheath material provided in this embodiment, includes the following steps:
(1) modified graphene is prepared
Urea liquid is added drop-wise in graphene oxide dispersion, after ultrasonic disperse 4 hours, in 140 DEG C of hydro-thermal reaction 8h
Amino modified graphene hydrogel is obtained, after amino modified graphene hydrogel is crushed, is redispersed in water, is atomized, is low
It after temperature condensation, then is freeze-dried, obtains graphene aerogel micro mist, titanate coupling agent is added in graphene aerogel micro mist
In, it is warming up to 120 DEG C, reacts 4 hours, through being dried to obtain modified graphene, wherein the mass ratio of urea and graphene oxide is
The volume ratio of 30:1, urea liquid and graphene oxide dispersion is 0.05:1, graphene oxide in graphene oxide dispersion
Mass concentration be 1.5mg/mL；
(2) composite modified reinforced filling is prepared
Weigh following raw materials according to parts by weight: 7 parts of calcium carbonate, 2 parts of silica, 1 part of talcum powder, dehydrated alcohol 25
Part, 1 part of γ-methacryloxypropyl trimethoxy silane, 1 part of epoxy resin；Dehydrated alcohol is dispersed by reinforced filling
In, it is configured to suspension, suspension is warming up to 70 DEG C, γ-methacryloxypropyl trimethoxy silane is added, 70
3h is stirred at DEG C, adds epoxy resin, and continuation stirs 2h at 70 DEG C, is filtered, washed, is dried to obtain composite modified reinforcement
Filler；
(3) cable sheath material is prepared
Weigh following raw materials according to parts by weight: 55 parts of high-density polyethylene resin, linear low density polyethylene resin
25 parts, 20 parts of Silane Grafted ldpe resin, 10 parts of composite modified reinforced filling, 1 part of modified graphene, epoxy soybean
Oily 3 parts, 2 parts of polyethylene wax, 2 parts of antioxidant 1010,3 parts of cumyl peroxide；By high-density polyethylene resin, linearly
Ldpe resin, Silane Grafted ldpe resin are put into high speed mixer, will after being stirred 15min
Composite modified reinforced filling, modified graphene, epoxidized soybean oil, polyethylene wax, antioxidant 1010, cumyl peroxide are put
Enter in high speed mixer, continue after being stirred 30min, be sent into double roller open mill, 120 DEG C of temperature of control is mixed
Refining, is then fed into double screw extruder, 210 DEG C of temperature control, extruding pelletization to obtain the final product.
After tested, the performance test results of the present embodiment products obtained therefrom are as follows: oxygen index (OI) reaches 36.5, UL94 fire-retardant rank
Reach V-0.
Embodiment 3
A kind of preparation method of blending type cable sheath material provided in this embodiment, includes the following steps:
(1) modified graphene is prepared
Urea liquid is added drop-wise in graphene oxide dispersion, after ultrasonic disperse 5 hours, in 160 DEG C of hydro-thermal reaction 6h
Amino modified graphene hydrogel is obtained, after amino modified graphene hydrogel is crushed, is redispersed in water, is atomized, is low
It after temperature condensation, then is freeze-dried, obtains graphene aerogel micro mist, titanate coupling agent is added in graphene aerogel micro mist
In, it is warming up to 120~150 DEG C, reacts 2~4 hours, through being dried to obtain modified graphene, wherein urea and graphene oxide
Mass ratio is 20:1, and the volume ratio of urea liquid and graphene oxide dispersion is 0.05:1, oxygen in graphene oxide dispersion
The mass concentration of graphite alkene is 1.5mg/mL；
(2) composite modified reinforced filling is prepared
Weigh following raw materials according to parts by weight: 6 parts of calcium carbonate, 2 parts of silica, 2 parts of talcum powder, dehydrated alcohol 25
Part, 1 part of γ-methacryloxypropyl trimethoxy silane, 1 part of epoxy resin；Dehydrated alcohol is dispersed by reinforced filling
In, it is configured to suspension, suspension is warming up to 70 DEG C, γ-methacryloxypropyl trimethoxy silane is added, 70
3h is stirred at DEG C, adds epoxy resin, and continuation stirs 2h at 70 DEG C, is filtered, washed, is dried to obtain composite modified reinforcement
Filler；
(3) cable sheath material is prepared
Weigh following raw materials according to parts by weight: 75 parts of high-density polyethylene resin, linear low density polyethylene resin
10 parts, 15 parts of Silane Grafted ldpe resin, 30 parts of composite modified reinforced filling, 5 parts of modified graphene, epoxy soybean
Oily 3 parts, 3 parts of polyethylene wax, 1 part of antioxidant 1010,2 parts of cumyl peroxide；By high-density polyethylene resin, linearly
Ldpe resin, Silane Grafted ldpe resin are put into high speed mixer, will after being stirred 15min
Composite modified reinforced filling, modified graphene, epoxidized soybean oil, polyethylene wax, antioxidant 1010, cumyl peroxide are put
Enter in high speed mixer, continue after being stirred 30min, be sent into double roller open mill, 130 DEG C of temperature of control is mixed
Refining, is then fed into double screw extruder, 200 DEG C of temperature control, extruding pelletization to obtain the final product.
After tested, the performance test results of the present embodiment products obtained therefrom are as follows: oxygen index (OI) reaches 38.4, UL94 fire-retardant rank
Reach V-0.
Comparative example 1
(1) composite modified reinforced filling is prepared
Weigh following raw materials according to parts by weight: 6 parts of calcium carbonate, 2 parts of silica, 2 parts of talcum powder, dehydrated alcohol 25
Part, 1 part of γ-methacryloxypropyl trimethoxy silane, 1 part of epoxy resin；Dehydrated alcohol is dispersed by reinforced filling
In, it is configured to suspension, suspension is warming up to 70 DEG C, γ-methacryloxypropyl trimethoxy silane is added, 70
3h is stirred at DEG C, adds epoxy resin, and continuation stirs 2h at 70 DEG C, is filtered, washed, is dried to obtain composite modified reinforcement
Filler；
(2) cable sheath material is prepared
Weigh following raw materials according to parts by weight: 65 parts of high-density polyethylene resin, linear low density polyethylene resin
20 parts, 15 parts of Silane Grafted ldpe resin, 15 parts of composite modified reinforced filling, 5 parts of nano-graphene powder, epoxy
2 parts of soybean oil, 3 parts of polyethylene wax, 1 part of antioxidant 1010,2 parts of cumyl peroxide；By high-density polyethylene resin,
Linear low density polyethylene resin, Silane Grafted ldpe resin are put into high speed mixer, are stirred 10min
Afterwards, composite modified reinforced filling, modified graphene, epoxidized soybean oil, polyethylene wax, antioxidant 1010, peroxidating two is different
Propyl benzene is put into high speed mixer, is continued after being stirred 20min, is sent into double roller open mill, controls 130 DEG C of temperature
It is kneaded, is then fed into double screw extruder, 190 DEG C of temperature control, extruding pelletization to obtain the final product.
After tested, the performance test results of the present embodiment products obtained therefrom are as follows: oxygen index (OI) reaches 33.8, UL94 fire-retardant rank
Reach V-0.
Above the embodiments of the present invention are described in detail, but the present invention is not limited to described embodiments.It is right
For those skilled in the art, in the case where not departing from the principle of the invention and spirit, these embodiments are carried out more
Kind change, modification, replacement and modification, still fall in protection scope of the present invention.
Claims (10)
1. a kind of blending type cable sheath material, which is characterized in that according to parts by weight, including the following raw material: high-density polyethylene
55~70 parts of olefine resin, 10~25 parts of linear low density polyethylene resin, 10~20 parts of Silane Grafted ldpe resin,
10~30 parts of composite modified reinforced filling, 1~3 part of epoxidized soybean oil, 1~5 part of polyethylene wax, resists 1~6 part of modified graphene
0.5~2 part of oxidant, 1~5 part of crosslinking agent.
2. blending type cable sheath material according to claim 1, which is characterized in that the modified graphene is under using
Method is stated to be made:
Urea liquid is added drop-wise in graphene oxide dispersion, it is anti-in 120~180 DEG C of hydro-thermals after ultrasonic disperse 3~8 hours
It answers 4~8h to obtain amino modified graphene hydrogel, after amino modified graphene hydrogel is crushed, is redispersed in water, pass through
It after atomization, cryogenic condensation, then is freeze-dried, obtains graphene aerogel micro mist, titanate esters are added in graphene aerogel micro mist
In coupling agent, 120~150 DEG C are warming up to, is reacted 2~4 hours, through being dried to obtain modified graphene.
3. blending type cable sheath material according to claim 2, which is characterized in that the urea and the graphite oxide
The mass ratio of alkene is 10~30:1.
4. blending type cable sheath material according to claim 2, which is characterized in that the urea liquid and the oxidation
The volume ratio of graphene dispersing solution is 0.01~0.1:1.
5. blending type cable sheath material according to claim 2, which is characterized in that in the graphene oxide dispersion
The mass concentration of graphene oxide is 1~5mg/mL.
6. blending type cable sheath material according to claim 1, which is characterized in that the composite modified reinforced filling is
It is made using following methods:
It disperses reinforced filling in organic solvent, is configured to suspension, suspension is warming up to 60~80 DEG C, it is even that silane is added
Join agent, 1~4h is stirred at 60~80 DEG C, add epoxy resin, continues to stir 1~3h at 60~80 DEG C, filtered, washed
It washs, be dried to obtain composite modified reinforced filling.
7. blending type cable sheath material according to claim 6, which is characterized in that the reinforced filling, by weight
Number meter, comprising: 3~10 parts of calcium carbonate, silica 1~5 part, 1~3 part of talcum powder.
8. blending type cable sheath material according to claim 6, which is characterized in that the organic solvent is selected from anhydrous second
One of alcohol, anhydrous propanone, benzene,toluene,xylene, hexamethylene are a variety of；The organic solvent and the reinforced filling
Mass ratio is 1~5:1.
9. blending type cable sheath material according to claim 6, which is characterized in that the silane coupling agent and the benefit
The mass ratio of strong filler is 0.1~0.3:1.
10. a kind of preparation method of such as blending type cable sheath material according to any one of claims 1 to 9, feature exist
In including the following steps:
High-density polyethylene resin, linear low density polyethylene resin, Silane Grafted ldpe resin are put into high speed
In batch mixer, after being stirred 5~15min, by composite modified reinforced filling, modified graphene, epoxidized soybean oil, polyethylene
Wax, antioxidant, crosslinking agent are put into high speed mixer, are continued after being stirred 5~30min, are sent into that double roller is open plasticates
In machine, 120~150 DEG C of temperature of control is kneaded, and is then fed into double screw extruder, 180~210 DEG C of temperature control, extrusion is made
Grain to obtain the final product.
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| CN201910674598.5A CN110408106A (en) | 2019-07-25 | 2019-07-25 | A kind of blending type cable sheath material and preparation method thereof |
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| CN201910674598.5A Withdrawn CN110408106A (en) | 2019-07-25 | 2019-07-25 | A kind of blending type cable sheath material and preparation method thereof |
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| Country | Link |
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| CN (1) | CN110408106A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145955A (en) * | 2020-01-06 | 2020-05-12 | 湖南湘江电缆有限公司 | Impact-resistant high-flame-retardant cable |
| CN111607152A (en) * | 2020-06-30 | 2020-09-01 | 江南大学 | High-wear-resistance crosslinked polyethylene material and preparation method thereof |
-
2019
- 2019-07-25 CN CN201910674598.5A patent/CN110408106A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145955A (en) * | 2020-01-06 | 2020-05-12 | 湖南湘江电缆有限公司 | Impact-resistant high-flame-retardant cable |
| CN111607152A (en) * | 2020-06-30 | 2020-09-01 | 江南大学 | High-wear-resistance crosslinked polyethylene material and preparation method thereof |
| CN111607152B (en) * | 2020-06-30 | 2021-11-05 | 江南大学 | High-wear-resistance crosslinked polyethylene material and preparation method thereof |
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