CN112280161A - XLPO sheath material for charging cable and preparation and application thereof - Google Patents
XLPO sheath material for charging cable and preparation and application thereof Download PDFInfo
- Publication number
- CN112280161A CN112280161A CN202011111701.4A CN202011111701A CN112280161A CN 112280161 A CN112280161 A CN 112280161A CN 202011111701 A CN202011111701 A CN 202011111701A CN 112280161 A CN112280161 A CN 112280161A
- Authority
- CN
- China
- Prior art keywords
- parts
- xlpo
- ethylene
- sheath material
- copolymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
-
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an XLPO sheath material for a charging cable, and a preparation method and an application thereof, wherein the XLPO sheath material comprises the following raw materials in parts by weight: 5-20 parts of ethylene-vinyl acetate copolymer, 10-25 parts of ethylene-acrylate copolymer, 5-20 parts of polyethylene, 2-15 parts of polyolefin block copolymer, 2-15 parts of polybutylene, 3-5 parts of auxiliary crosslinking agent, 2-10 parts of compatilizer, 0.5-3 parts of antioxidant, 0.5-2 parts of dispersant and 0.5-5 parts of rat-proofing agent. According to the technical scheme, the XLPO sheath material is prepared by taking the ethylene-vinyl acetate copolymer, the ethylene-acrylate copolymer and the polyethylene as matrixes under the action of the auxiliary cross-linking agent, and the polyolefin block copolymer, the polybutene, the antioxidant, the compatilizer, the dispersant and the rat-proofing agent are added, so that the components are matched with each other and have a synergistic effect, the cable sheath material can ensure the original good processability and elasticity of the XLPO material, the cracking resistance of the XLPO sheath material is also remarkably improved, and the rat bite is effectively prevented.
Description
Technical Field
The invention relates to the field of cables, in particular to an XLPO sheath material for a charging cable, and preparation and application thereof.
Background
The cable for charging the electric automobile is one of the cables, and the development of new energy automobiles becomes a consensus all over the world in the face of increasingly serious energy, climate and environmental problems, the charging cable is generated along with the era of the electric automobiles, the structure of the charging cable for the electric automobile is different from that of a common cable, and the severe use environment has higher performance requirements on the charging cable.
Crosslinked polyolefin (XLPO) materials have the characteristics of excellent electrical properties, high long-term use temperature, corrosion resistance, good pressure and heat resistance, high mechanical strength and the like, and are increasingly applied to the manufacture of cable sheath materials.
However, in the process of implementing the embodiments of the present application, the inventors of the present application found that the above-mentioned technology has at least the following technical problems: (1) the sheath material of the traditional XLPO sheath material at the port of the charging pile connection part has smaller bending radius and larger bending stress, and the stress cracking at the interface of the sheath material and the charging pile can be caused by frequent and repeated use and bending, so that the protective performance of the cable sheath material is greatly reduced; (2) due to the peculiar smell of the XLPO material, the outdoor charging cable sheath material is often bitten by mice, so that the problems of charging failure, invalidation and the like are caused.
Disclosure of Invention
The invention mainly aims to provide an XLPO sheath material for a charging cable and preparation and application thereof, and aims to solve the technical problems that the existing XLPO sheath material for the charging cable is easy to crack and easy to be bitten by mice, remarkably improve the cracking resistance of the XLPO sheath material, and effectively prevent the mice from being bitten.
The technical problem to be solved by the invention is realized by the following technical scheme:
the invention provides an XLPO sheath material for a charging cable, which comprises the following raw materials in parts by weight: 5-20 parts of ethylene-vinyl acetate copolymer, 10-25 parts of ethylene-acrylate copolymer, 5-20 parts of polyethylene, 2-15 parts of polyolefin block copolymer, 2-15 parts of polybutylene, 3-5 parts of auxiliary crosslinking agent, 2-10 parts of compatilizer, 0.5-3 parts of antioxidant, 0.5-2 parts of dispersant and 0.5-5 parts of rat-proofing agent.
Optionally, the ethylene-acrylate copolymer is one or more of ethylene-methacrylate copolymer EMMA, ethylene-methyl acrylate copolymer EMA, ethylene-ethyl acrylate copolymer EEA and ethylene-methyl acrylate copolymer EAA.
Optionally, the polyethylene is linear low density polyethylene.
Optionally, the auxiliary crosslinking agent is at least one of TAIC and TMPTMA.
Optionally, the compatibilizer is one or more of an ethylene-octene copolymer grafted maleic anhydride copolymer, an ethylene-propylene copolymer grafted maleic anhydride copolymer, and an SEBS grafted maleic anhydride copolymer.
Optionally, the antioxidant is one or more of bis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] (antioxidant 1035), tris [2, 4-di-tert-butylphenyl ] phosphite (antioxidant 168), pentaerythritol tetrakis (3-laurylthiopropionate) (antioxidant TH-412S), N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine (antioxidant 1098), and a light stabilizer 622.
Optionally, the anti-rat agent is one or more of n-nonanoic vanilloylamine, 3- [2- (3, 5-dimethyl-2-oxocyclohexyl) -2-hydroxyethyl ] glutarimide, tributyltin acetate, and dimethyldithiocarbamate tert-butylsulfenamide.
Optionally, the feed also comprises the following raw materials in parts by weight: 5-20 parts of diethyl aluminum phosphinate, 10-40 parts of melamine urate, 10-30 parts of inorganic flame retardant and 3-10 parts of flame retardant synergist.
Optionally, the inorganic flame retardant is one or more of magnesium hydroxide, aluminum hydroxide, talcum powder and calcium carbonate; the flame-retardant synergist is one or more of organosilicate synergist, kaolin, nano montmorillonite, zinc borate and zinc sulfate.
Optionally, the feed also comprises the following raw materials in parts by weight: 0.5-2 parts of a lubricant.
Optionally, the lubricant is one or a combination of stearic acid, calcium stearate, magnesium stearate, polyethylene wax, paraffin, silicone, silane coupling agent.
According to another aspect of the invention, a preparation method of the XLPO sheath material for the charging cable is provided, which comprises the following steps:
s1, adding all the raw materials into an internal mixer together according to a ratio for banburying to obtain a molten blend;
s2, feeding the molten blend into a single-screw extruder for granulation to obtain particles;
s3, putting the particles into a double-screw extruder to perform melt kneading extrusion to obtain an extruded material;
and S4, cooling and pelletizing the extruded materials to obtain the XLPO sheath material for the charging cable.
Optionally, in step S2, the granulation temperature is 140-160 ℃.
Optionally, in step S3, the extrusion temperature of the twin-screw extruder is 140-.
According to another aspect of the invention, the application of the XLPO sheath material for the charging cable to the charging cable of the electric automobile is also provided.
The invention has the following beneficial effects:
according to the technical scheme, the XLPO sheath material is prepared by taking the ethylene-vinyl acetate copolymer, the ethylene-acrylate copolymer and the polyethylene as matrixes under the action of the auxiliary cross-linking agent, and the polyolefin block copolymer, the polybutene, the antioxidant, the compatilizer, the dispersant and the rat-proofing agent are added, so that the components are matched with each other and have a synergistic effect, the cable sheath material can ensure the original good processability and elasticity of the XLPO material, the cracking resistance of the XLPO sheath material is also remarkably improved, and the rat bite is effectively prevented.
Detailed Description
The raw materials and equipment used in the invention are common raw materials and equipment in the field if not specified; the methods used in the present invention are conventional in the art unless otherwise specified.
Unless otherwise defined, terms used in the present specification have the same meaning as those generally understood by those skilled in the art, but in case of conflict, the definitions in the present specification shall control.
The use of "including," "comprising," "containing," "having," or other variations thereof herein, is meant to encompass the non-exclusive inclusion, as such terms are not to be construed. The term "comprising" means that other steps and ingredients can be added that do not affect the end result. The term "comprising" also includes the terms "consisting of …" and "consisting essentially of …". The compositions and methods/processes of the present invention comprise, consist of, and consist essentially of the essential elements and limitations described herein, as well as any of the additional or optional ingredients, components, steps, or limitations described herein.
All numbers or expressions referring to quantities of ingredients, process conditions, etc. used in the specification and claims are to be understood as modified in all instances by the term "about". All ranges directed to the same component or property are inclusive of the endpoints, and independently combinable. Because these ranges are continuous, they include every value between the minimum and maximum values. It should also be understood that any numerical range recited herein is intended to include all sub-ranges within that range.
As used herein, "parts by weight" or "parts by weight" are used interchangeably and can be any fixed weight expressed in milligrams, grams, or kilograms (e.g., 1mg, 1g, 2g, 5g, or 1kg, etc.). For example, a composition consisting of 1 part by weight of component a and 9 parts by weight of component b may be a composition consisting of 1g of component a +9 g of component b, or 10 g of component a +90 g of component b.
As described in the background art, in the prior art, the sheath material of the conventional XLPO sheath material at the port of the charging pile connection part has relatively small bending radius and relatively large bending stress, so that the stress crack at the port of the sheath material and the charging pile can be caused by frequent and repeated use of the XLPO sheath material, and the protective performance of the cable sheath material is greatly reduced; due to the peculiar smell of the XLPO material, the outdoor charging cable sheath material is often bitten by mice, so that the problem of charging failure is caused. In order to solve the technical problems, the invention provides an XLPO sheath material for a charging cable and a preparation method and application thereof.
In a first aspect, an XLPO sheath material for a charging cable comprises the following raw materials in parts by weight: 5-20 parts of ethylene-vinyl acetate copolymer, 10-25 parts of ethylene-acrylate copolymer, 5-20 parts of polyethylene, 2-15 parts of polyolefin block copolymer, 2-15 parts of polybutylene, 3-5 parts of auxiliary crosslinking agent, 2-10 parts of compatilizer, 0.5-3 parts of antioxidant, 0.5-2 parts of dispersant and 0.5-5 parts of rat-proofing agent.
In the examples of the present invention, the ethylene-vinyl acetate copolymer (EVA) is 5 to 20 parts by weight, for example, 5 parts, 8 parts, 10 parts, 12 parts, 15 parts, 18 parts, 20 parts, and any value therebetween.
The selected ethylene-vinyl acetate copolymer (EVA) requires: the mass percentage of Vinyl Acetate (VA) is as follows: 14-70%, and preferably, the mass percentage of Vinyl Acetate (VA) is: 28 percent.
In the examples of the present invention, the weight part of the ethylene-acrylic acid ester copolymer is 10 to 25 parts, for example, 10 parts, 12 parts, 15 parts, 18 parts, 20 parts, 25 parts and any value therebetween.
In the embodiment of the present invention, the ethylene-acrylate copolymer is one or more of an ethylene-methacrylate copolymer EMMA, an ethylene-methyl acrylate copolymer EMA, an ethylene-ethyl acrylate copolymer EEA, and an ethylene-methyl acrylate copolymer EAA, but is not limited thereto, and other materials not listed in this embodiment but known to those skilled in the art may also be used.
In the examples of the present invention, the polyethylene is 5 to 20 parts by weight, for example, 5 parts, 8 parts, 10 parts, 12 parts, 15 parts, 18 parts, 20 parts, and any value therebetween.
In the present embodiment, the polyethylene is preferably a linear low density polyethylene. The linear low-density polyethylene has higher softening temperature and melting temperature, and has the performances of common polyolefin resin, and particularly excellent tensile strength, tear strength, environmental stress cracking resistance, low temperature resistance, heat resistance and puncture resistance.
The invention adopts ethylene-vinyl acetate copolymer, ethylene-acrylate copolymer and polyethylene as matrixes which are mutually matched and make up for each other, so that the product has excellent mechanical property and good processing property.
In the examples of the present invention, the polyolefin block copolymer is used in an amount of 2 to 15 parts by weight, for example, 2 parts, 4 parts, 5 parts, 8 parts, 10 parts, 12 parts, 15 parts and any value therebetween.
The polyolefin block copolymer is added, is formed by regularly and alternately arranging hard chain segments and soft chain segments, has outstanding toughness, and has excellent low-temperature performance, heat resistance and wear resistance; the polyolefin block copolymer is added into an XLPO system, so that the whole system has higher cracking resistance, the whole system still has good toughness at low temperature, and the cable can still bend and move without cracking when used at low temperature. The bending strength of the polyolefin block copolymer is very low, and the polyolefin block copolymer is added into an XLPO system, so that the bending strength of the whole system can be reduced, the bending stress of materials is smaller under the condition of the same hardness, and after the charging cable is prepared, the charging pile large cable is softer, the bending radius of the charging pile large cable is reduced, and the requirement that the cable at the port of the charging pile does not crack when the charging pile is used is met.
The polyolefin block copolymers of the present invention are not particularly limited, and may be those known to those skilled in the art, and may be prepared by a known method or commercially available.
In the examples of the present invention, the polybutene is present in an amount of 2 to 15 parts by weight, for example, 2 parts, 4 parts, 5 parts, 8 parts, 10 parts, 12 parts, 15 parts and any value therebetween.
The polybutylene is added in the invention, because the polybutylene has outstanding wear resistance, not only has the impact toughness of polyethylene, but also has the stress cracking resistance and excellent creep resistance which are higher than those of polypropylene, and has the characteristics of rubber, and the polybutylene can bear the stress with the yield strength of 90 percent for a long time. Meanwhile, the thermal deformation temperature is higher, the heat resistance is good, the embrittlement temperature is low (minus 30 ℃), the thermal deformation temperature can be used for a long time at minus 30-100 ℃, and the thermal deformation temperature has flexibility; polybutene is acid, alkali, solvent, various chemicals and the like resistant at normal temperature, and most inorganic chemical reagents resistant at a temperature lower than 93 ℃. In addition, polybutene has excellent moisture barrier properties and also has excellent electrical insulating properties. Due to the addition of the polybutene, the wear-resistant, oil-resistant and cracking-resistant performances of the polybutene can be brought into the whole system, so that the XLPO sheath material disclosed by the invention has good wear-resistant, oil-resistant and cracking-resistant performances.
In the embodiment of the invention, the auxiliary crosslinking agent is at least one of triallyl isocyanurate (TAIC) and trimethylolpropane trimethacrylate (TMPTMA).
In the examples of the present invention, the weight part of the compatibilizer is 2 to 10 parts, for example, 2 parts, 4 parts, 6 parts, 8 parts, 10 parts, and any value therebetween.
The compatibilizing agent of the present invention is not particularly limited, and may be one known to those skilled in the art, prepared by a known method or commercially available. Preferably, the compatilizer is one or more of ethylene-octene copolymer grafted maleic anhydride copolymer, ethylene-propylene copolymer grafted maleic anhydride copolymer and SEBS grafted maleic anhydride copolymer. According to the invention, by adding the compatilizer, raw materials can be better compatible, higher mechanical properties can be shown, and cracking caused by poor compatibility of the raw materials can be prevented.
In the examples of the present invention, the antioxidant is 0.5 to 3 parts by weight, for example, 0.5 part, 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts and any value therebetween.
The antioxidant of the present invention is not particularly limited, and may be one known to those skilled in the art, prepared by a known method or commercially available. Preferably, the antioxidant is one or more of bis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] (antioxidant 1035), tris [2, 4-di-tert-butylphenyl ] phosphite (antioxidant 168), pentaerythritol tetrakis (3-laurylthiopropionate) (antioxidant TH-412S), N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine (antioxidant 1098), and a light stabilizer 622. The antioxidant is added, so that the oxidation process of the raw materials can be delayed or inhibited, and the XLPO sheath material is prevented from being embrittled and cracked due to external high-temperature and illumination aging.
In the examples of the present invention, the dispersant is present in an amount of 0.5 to 2 parts by weight, for example, 0.5 parts, 0.8 parts, 1 part, 1.5 parts, 2 parts, and any value therebetween.
According to the invention, the flame retardant can be better dispersed in the matrix material by adding the dispersing agent, and stress failure points are not generated to cause cracking. The dispersant of the present invention is not particularly limited, and may be one known to those skilled in the art, prepared by a known method or commercially available. By way of example, the dispersant is one or more of polyacrylamide, ethylene bis fatty acid amide, triethylhexyl phosphoric acid and sodium octyl sulfonate.
The inventor of the invention tries and discovers in various aspects that the polyolefin block copolymer and the polybutylene are simultaneously added into the matrix materials of the ethylene-vinyl acetate copolymer, the ethylene-acrylate copolymer and the polyethylene to generate good synergistic effect, the combination obtains unexpected technical effect, the anti-cracking performance of the XLPO sheath material is remarkably improved, and the service life of the whole cable is prolonged.
In the examples of the present invention, the parts by weight of the rat poison are 0.5 to 5 parts, for example, 0.5 part, 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 5 parts and any value therebetween.
In the embodiment of the invention, the rat-proof agent is one or more of n-nonanoic vanilloylamine, 3- [2- (3, 5-dimethyl-2-oxocyclohexyl) -2-hydroxyethyl ] glutarimide, tributyltin acetate and dimethyldithiocarbamate tert-butylsulfenamide.
More preferably, the anti-mouse agent is 3- [2- (3, 5-dimethyl-2-oxocyclohexyl) -2-hydroxyethyl ] glutarimide, tributyltin acetate, and t-butylsulfenamide of dimethyldithiocarbamate.
The mouse is a rodent with strong fecundity and vitality, which widely lives in various regions in the world, because the incisor teeth are developed and can continuously grow, the mouse has the habit of keeping sharp teeth of a bite object, because of the peculiar smell of the XLPO material, the XLPO sheath material of the outdoor charging cable is often bitten by the mouse, and the existing XLPO sheath material has poor corrosion resistance to the mouse and other organisms.
According to the XLPO sheath material for the charging cable, the ratproof agent is added into the material, so that the rodents such as rats can be effectively prevented from biting.
In the prior art, the ratproof agent usually adopts cycloheximide, terpenoid monomer and the like, mainly kills poison, so that the ratproof animal is poisoned after the XLPO sheath material for the charging cable is bitten and damaged, and the environmental protection requirement is not met.
In order to solve the above problems, the inventors have conducted extensive and intensive studies to screen an existing anti-rat agent, and finally determined that the anti-rat agent is one or more of n-nonanoic vanilloylamine, 3- [2- (3, 5-dimethyl-2-oxocyclohexyl) -2-hydroxyethyl ] glutarimide, tributyltin acetate, and t-butylsulfenamide dimethyldithiocarbamate. By adopting the rat-proof agent, the rat-proof agent can emit very unpleasant odor of the rat, so that the rat keeps away from the cable, even if the rat is not driven by the odor to bite the XLPO sheath material of the charging cable, the XLPO sheath material of the charging cable added with the rat-proof agent with specific composition has high pungent taste, and the charging cable can be prevented from being damaged; the ratproof agent is added into the XLPO sheath material for the charging cable, so that the mechanical and physical properties of the XLPO sheath material for the charging cable cannot be adversely affected; meanwhile, the rat-proof agent is environment-friendly and safe, is nontoxic and harmless to human bodies and the environment, meets ecological requirements, and solves the technical problem that rat-proof performance, physical and mechanical performance, environmental protection performance and the like are difficult to comprehensively meet the requirements.
The inventor unexpectedly finds that the rodenticide is 3- [2- (3, 5-dimethyl-2-oxocyclohexyl) -2-hydroxyethyl ] glutarimide, tributyltin acetate and tert-butylsulfenamide disulfide, has unexpected technical effects, is particularly excellent in the rodenticide effect, and can effectively prevent mice from biting XLPO sheath materials for charging cables.
As a further improvement, the feed also comprises the following raw materials in parts by weight: 5-20 parts of diethyl aluminum phosphinate, 10-40 parts of melamine urate, 10-30 parts of an inorganic flame retardant and 3-10 parts of a flame retardant synergist; more preferably, the feed also comprises the following raw materials in parts by weight: 10-15 parts of diethyl aluminum phosphinate, 20-30 parts of melamine urate, 15-25 parts of inorganic flame retardant and 5-8 parts of flame retardant synergist.
In the embodiment of the invention, the inorganic flame retardant is one or more of magnesium hydroxide, aluminum hydroxide, talcum powder or calcium carbonate; the flame-retardant synergist is one or more of organosilicate synergist, kaolin, nano montmorillonite, zinc borate and zinc sulfate.
The main disadvantage of cross-linked polyolefin (XLPO) materials is the tendency to catch fire causing fire. In order to improve the flame retardancy of the cable sheath material, a large amount of flame retardant is often added, but the mechanical properties of the cable sheath material, especially the cracking resistance, are easily reduced.
In consideration of comprehensive performance of the whole technical scheme, based on mutual influence and matching with other materials, aluminum diethylphosphinate, melamine urate, an inorganic flame retardant and a flame retardant synergist are selected to be compounded as a flame retardant, and the flame retardant synergist has a strong char-forming self-extinguishing effect; aluminum diethylphosphinate belongs to a phosphorus flame retardant and provides a phosphorus source; the melamine urate belongs to a nitrogen flame retardant and provides a nitrogen source; the inorganic flame retardant may provide water; the components are matched with each other and have synergistic effect, so that the cable sheath material has a remarkable flame retardant effect, and meanwhile, the flame retardant has good compatibility with ethylene-vinyl acetate copolymer, ethylene-acrylate copolymer and polyethylene, the use amount of inorganic flame retardant is greatly reduced, the mechanical property is slightly influenced, and the XLPO sheath material has excellent performances such as cracking resistance and the like. In addition, the flame retardant is free of halogen, so that the flame retardant has the characteristics of environmental protection and no toxicity.
In the embodiment of the invention, the paint also comprises the following raw materials in parts by weight: 0.5-2 parts of a lubricant.
According to the invention, by adding the lubricant, the mixed feeding material in a plasticizing state in an internal mixing process has better compatibility and leveling property, and the uniform overall appearance and smooth surface of the sheath material are ensured. The lubricant is not particularly limited in the invention, and may be one known to those skilled in the art, prepared by a known method or commercially available. Preferably, the lubricant is one or more of stearic acid, calcium stearate, magnesium stearate, polyethylene wax, paraffin, silicone, and silane coupling agent.
In a second aspect, there is provided a method for preparing an XLPO sheath material for a charging cable in the first aspect, comprising the steps of:
s1, adding all the raw materials into an internal mixer together according to a ratio for banburying to obtain a molten blend;
s2, feeding the molten blend into a single-screw extruder for granulation to obtain particles;
s3, putting the particles into a double-screw extruder to perform melt kneading extrusion to obtain an extruded material;
and S4, cooling and dicing the extruded material to obtain the anti-cracking XLPO sheath material for the charging cable.
In step S2, the granulation temperature is 140-160 ℃, such as 140 ℃, 145 ℃, 150 ℃, 155 ℃, 160 ℃ and any value therebetween.
In step S3, the extrusion temperature of the twin-screw extruder is 140-160 ℃, such as 140 ℃, 145 ℃, 150 ℃, 155 ℃, 160 ℃ and any value therebetween; the screw rotation speed is 100-500r/min, such as 100r/min, 200r/min, 300r/min, 400r/min, 500r/min and any value therebetween.
In the examples of the present invention, the specific processes and conditions for banburying are not particularly limited, and the conventional processes for banburying known to those skilled in the art may be used.
In a third aspect, an application of the XLPO sheath material for the charging cable in the first aspect to the charging cable for the electric vehicle is also provided.
In order to better understand the technical solutions, the technical solutions will be described in detail with reference to specific examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention.
Example 1
An XLPO sheath material for a charging cable comprises the following raw materials in parts by weight: 10 parts of ethylene-vinyl acetate copolymer, 10 parts of ethylene-acrylate copolymer, 10 parts of polyethylene, 5 parts of polyolefin block copolymer, 5 parts of polybutene, 3 parts of auxiliary crosslinking agent, 5 parts of compatilizer, 1 part of antioxidant, 1 part of dispersant and 3 parts of rat repellent.
The mass percentage of the vinyl acetate of the ethylene-vinyl acetate copolymer is 28 percent; the ethylene-acrylate copolymer is an ethylene-methacrylate copolymer EMMA; the polyethylene is linear low density polyethylene; the auxiliary crosslinking agent is TAIC; the compatilizer is an ethylene-octene copolymer grafted maleic anhydride copolymer; the antioxidant is an antioxidant 1035; the dispersant is polyacrylamide; the ratproof agent is dimethyl disulfide carbamic acid tert-butyl sulfenamide.
The preparation method of the XLPO sheath material for the charging cable comprises the following steps:
s1, adding all the raw materials into an internal mixer together according to a ratio for banburying to obtain a molten blend;
s2, feeding the molten blend into a single-screw extruder for granulation to obtain particles; the granulation temperature is 150 ℃;
s3, putting the particles into a double-screw extruder to perform melt kneading extrusion to obtain an extruded material; the extrusion temperature of the double-screw extruder is 150 ℃, and the screw rotating speed is 200 r/min.
And S4, cooling and pelletizing the extruded materials to obtain the XLPO sheath material for the charging cable.
Example 2
An XLPO sheath material for a charging cable comprises the following raw materials in parts by weight: 16 parts of ethylene-vinyl acetate copolymer, 20 parts of ethylene-acrylate copolymer, 15 parts of polyethylene, 2 parts of polyolefin block copolymer, 15 parts of polybutene, 4 parts of auxiliary crosslinking agent, 8 parts of compatilizer, 3 parts of antioxidant, 2 parts of dispersing agent, 0.5 part of rat-proofing agent, 10 parts of diethyl aluminum phosphinate, 15 parts of melamine urate, 17 parts of inorganic flame retardant and 3 parts of flame retardant synergist.
The mass percentage of the vinyl acetate of the ethylene-vinyl acetate copolymer is 14-70%; the ethylene-acrylate copolymer is an ethylene-methyl acrylate copolymer EMA; the polyethylene is linear low density polyethylene; the auxiliary crosslinking agent is TMPTMA; the compatilizer is an ethylene-propylene copolymer grafted maleic anhydride copolymer; the antioxidant is antioxidant 168; the dispersant is ethylene bis fatty acid amide; the rat-proof agent is n-nonanoic vanilloylamine.
The inorganic flame retardant is magnesium hydroxide; the flame-retardant synergist is nano montmorillonite.
The preparation method of the XLPO sheath material for the charging cable comprises the following steps:
s1, adding all the raw materials into an internal mixer together according to a ratio for banburying to obtain a molten blend;
s2, feeding the molten blend into a single-screw extruder for granulation to obtain particles; the granulation temperature is 145 ℃;
s3, putting the particles into a double-screw extruder to perform melt kneading extrusion to obtain an extruded material; the extrusion temperature of the double-screw extruder is 145 ℃, and the screw rotating speed is 300 r/min.
And S4, cooling and pelletizing the extruded materials to obtain the XLPO sheath material for the charging cable.
Example 3
An XLPO sheath material for a charging cable comprises the following raw materials in parts by weight: 5 parts of ethylene-vinyl acetate copolymer, 16 parts of ethylene-acrylate copolymer, 5 parts of polyethylene, 15 parts of polyolefin block copolymer, 2 parts of polybutene, 5 parts of auxiliary crosslinking agent, 2 parts of compatilizer, 0.5 part of antioxidant, 0.5 part of dispersing agent, 5 parts of rat-proofing agent, 5 parts of diethyl aluminum phosphinate, 20 parts of melamine urate, 10 parts of inorganic flame retardant and 10 parts of flame retardant synergist.
The mass percentage of the vinyl acetate of the ethylene-vinyl acetate copolymer is 14-70%; the ethylene-acrylic ester copolymer is ethylene-ethyl acrylate copolymer EEA; the polyethylene is linear low density polyethylene; the auxiliary crosslinking agent is TAIC; the compatilizer is SEBS grafted maleic anhydride copolymer; the antioxidant is an antioxidant TH-412S; the dispersant is triethyl hexyl phosphoric acid; the rat-proof agent is 3- [2- (3, 5-dimethyl-2-oxocyclohexyl) -2-hydroxyethyl ] glutarimide.
The inorganic flame retardant is aluminum hydroxide; the flame-retardant synergist is kaolin.
The preparation method of the anti-cracking XLPO sheath material for the charging cable comprises the following steps:
s1, adding all the raw materials into an internal mixer together according to a ratio for banburying to obtain a molten blend;
s2, feeding the molten blend into a single-screw extruder for granulation to obtain particles; the granulation temperature is 155 ℃;
s3, putting the particles into a double-screw extruder to perform melt kneading extrusion to obtain an extruded material; the extrusion temperature of the double-screw extruder is 155 ℃, and the screw rotating speed is 200 r/min.
And S4, cooling and pelletizing the extruded materials to obtain the XLPO sheath material for the charging cable.
Example 4
An XLPO sheath material for a charging cable comprises the following raw materials in parts by weight: 12 parts of ethylene-vinyl acetate copolymer, 10 parts of ethylene-acrylate copolymer, 8 parts of polyethylene, 7 parts of polyolefin block copolymer, 3 parts of polybutene, 4 parts of auxiliary crosslinking agent, 6 parts of compatilizer, 2 parts of antioxidant, 1 part of dispersing agent, 2 parts of rat-proofing agent, 10 parts of diethyl aluminum phosphinate, 15 parts of melamine urate, 20 parts of inorganic flame retardant, 5 parts of flame retardant synergist and 1 part of lubricating agent.
The mass percentage of the vinyl acetate of the ethylene-vinyl acetate copolymer is 14-70%; the ethylene-acrylate copolymer is an ethylene-methacrylate copolymer EMMA; the polyethylene is linear low density polyethylene; the auxiliary crosslinking agent is TAIC; the compatilizer is an ethylene-octene copolymer grafted maleic anhydride copolymer; the antioxidant is an antioxidant 1098; the dispersing agent is sodium octyl sulfonate; the rat-proofing agent is 3- [2- (3, 5-dimethyl-2-oxocyclohexyl) -2-hydroxyethyl ] glutarimide, tributyltin acetate and dimethyl dithiocarbamate tert-butyl sulfenamide.
The lubricant is silicone.
The inorganic flame retardant is talcum powder; the flame-retardant synergist is zinc borate.
The preparation method of the anti-cracking XLPO sheath material for the charging cable comprises the following steps:
s1, adding all the raw materials into an internal mixer together according to a ratio for banburying to obtain a molten blend;
s2, feeding the molten blend into a single-screw extruder for granulation to obtain particles; the granulation temperature is 140 ℃;
s3, putting the particles into a double-screw extruder to perform melt kneading extrusion to obtain an extruded material; the extrusion temperature of the double-screw extruder is 140 ℃, and the screw rotating speed is 500 r/min.
And S4, cooling and pelletizing the extruded materials to obtain the XLPO sheath material for the charging cable.
Example 5
An anti-cracking XLPO sheath material for a charging cable comprises the following raw materials in parts by weight: 20 parts of ethylene-vinyl acetate copolymer, 25 parts of ethylene-acrylate copolymer, 20 parts of polyethylene, 10 parts of polyolefin block copolymer, 10 parts of polybutene, 3 parts of auxiliary crosslinking agent, 10 parts of compatilizer, 3 parts of antioxidant, 2 parts of dispersing agent, 3 parts of rat-proof agent, 20 parts of diethyl aluminum phosphinate, 10 parts of melamine urate, 30 parts of inorganic flame retardant, 6 parts of flame retardant synergist and 0.5 part of lubricating agent.
The mass percentage of the vinyl acetate of the ethylene-vinyl acetate copolymer is 14-70%; the ethylene-acrylic ester copolymer is an ethylene-methyl acrylate copolymer EMA and an ethylene-methyl acrylate copolymer EAA; the polyethylene is linear low density polyethylene; the auxiliary crosslinking agent is TAIC and TMPTMA; the compatilizer is an ethylene-octene copolymer grafted maleic anhydride copolymer and an ethylene-propylene copolymer grafted maleic anhydride copolymer; the antioxidant is an antioxidant 1035 and an antioxidant 168; the dispersing agent is polyacrylamide and sodium octyl sulfonate; the ratproof agent is 3- [2- (3, 5-dimethyl-2-oxocyclohexyl) -2-hydroxyethyl ] glutarimide and tributyltin acetate; the lubricant is calcium stearate and paraffin.
The inorganic flame retardant is calcium carbonate; the flame-retardant synergist is zinc sulfate.
The preparation method of the XLPO sheath material for the charging cable comprises the following steps:
s1, adding all the raw materials into an internal mixer together according to a ratio for banburying to obtain a molten blend;
s2, feeding the molten blend into a single-screw extruder for granulation to obtain particles; the granulation temperature is 160 ℃;
s3, putting the particles into a double-screw extruder to perform melt kneading extrusion to obtain an extruded material; the extrusion temperature of the double-screw extruder is 160 ℃, and the screw rotating speed is 100 r/min.
And S4, cooling and pelletizing the extruded materials to obtain the XLPO sheath material for the charging cable.
Example 6
An anti-cracking XLPO sheath material for a charging cable comprises the following raw materials in parts by weight: the flame-retardant polyethylene composition comprises, by weight, 18 parts of an ethylene-vinyl acetate copolymer, 10 parts of an ethylene-acrylate copolymer, 18 parts of polyethylene, 12 parts of a polyolefin block copolymer, 12 parts of polybutene, 5 parts of an auxiliary crosslinking agent, 3 parts of a compatilizer, 2 parts of an antioxidant, 1 part of a dispersant, 4 parts of a rat repellent, 15 parts of aluminum diethylphosphinate, 40 parts of melamine urate, 18 parts of an inorganic flame retardant, 8 parts of a flame-retardant synergist and 2 parts of a lubricant.
The mass percentage of the vinyl acetate of the ethylene-vinyl acetate copolymer is 14-70%; the ethylene-acrylate copolymer is an ethylene-methyl acrylate copolymer EAA; the polyethylene is linear low density polyethylene; the auxiliary crosslinking agent is TAIC; the compatilizer is an ethylene-propylene copolymer grafted maleic anhydride copolymer and an SEBS grafted maleic anhydride copolymer; the antioxidant is antioxidant 168 and antioxidant 1098; the dispersant is polyacrylamide; the ratproof agent is tributyltin acetate and dimethyl dithiocarbamate tert-butyl sulfenamide; the lubricant is silicone and a silane coupling agent.
The inorganic flame retardant is magnesium hydroxide and talcum powder; the flame-retardant synergist is organic silicate synergist and nano montmorillonite.
The preparation method of the XLPO sheath material for the charging cable comprises the following steps:
s1, adding all the raw materials into an internal mixer together according to a ratio for banburying to obtain a molten blend;
s2, feeding the molten blend into a single-screw extruder for granulation to obtain particles; the granulation temperature is 150 ℃;
s3, putting the particles into a double-screw extruder to perform melt kneading extrusion to obtain an extruded material; the extrusion temperature of the double-screw extruder is 150 ℃, and the screw rotating speed is 250 r/min.
And S4, cooling and pelletizing the extruded materials to obtain the XLPO sheath material for the charging cable.
Comparative example 1
Based on example 1, the difference is only that: the comparative example 1 comprises the following raw materials in parts by weight: 10 parts of ethylene-vinyl acetate copolymer, 10 parts of ethylene-acrylate copolymer, 10 parts of polyethylene, 10 parts of polyolefin block copolymer, 3 parts of auxiliary crosslinking agent, 5 parts of compatilizer, 1 part of antioxidant, 1 part of dispersant and 3 parts of ratproof agent.
Comparative example 2
Based on example 1, the difference is only that: the comparative example 2 comprises the following raw materials in parts by weight: 10 parts of ethylene-vinyl acetate copolymer, 10 parts of ethylene-acrylate copolymer, 10 parts of polyethylene, 10 parts of polybutylene, 3 parts of auxiliary crosslinking agent, 5 parts of compatilizer, 1 part of antioxidant, 1 part of dispersant and 3 parts of ratproof agent.
Comparative example 3
Based on example 2, the difference is only that: the comparative example 3 comprises the following raw materials in parts by weight: 16 parts of ethylene-vinyl acetate copolymer, 20 parts of ethylene-acrylate copolymer, 15 parts of polyethylene, 2 parts of polyolefin block copolymer, 15 parts of polybutene, 4 parts of auxiliary crosslinking agent, 8 parts of compatilizer, 3 parts of antioxidant, 2 parts of dispersing agent, 0.5 part of rat-proofing agent, 25 parts of melamine urate, 17 parts of inorganic flame retardant and 3 parts of flame-retardant synergist.
Comparative example 4
Based on example 2, the difference is only that: the comparative example 4 comprises the following raw materials in parts by weight: 16 parts of ethylene-vinyl acetate copolymer, 20 parts of ethylene-acrylate copolymer, 15 parts of polyethylene, 2 parts of polyolefin block copolymer, 15 parts of polybutene, 4 parts of auxiliary crosslinking agent, 8 parts of compatilizer, 3 parts of antioxidant, 2 parts of dispersing agent, 0.5 part of rat-proofing agent, 25 parts of diethyl aluminum phosphinate, 17 parts of inorganic flame retardant and 3 parts of flame retardant synergist.
Comparative example 5
Based on example 2, the difference is only that: the comparative example 5 comprises the following raw materials in parts by weight: 16 parts of ethylene-vinyl acetate copolymer, 20 parts of ethylene-acrylate copolymer, 15 parts of polyethylene, 2 parts of polyolefin block copolymer, 15 parts of polybutene, 4 parts of auxiliary crosslinking agent, 8 parts of compatilizer, 3 parts of antioxidant, 2 parts of dispersing agent, 0.5 part of rat-proofing agent, 10 parts of diethyl aluminum phosphinate, 15 parts of melamine urate and 20 parts of flame-retardant synergist.
Comparative example 6
Based on example 2, the difference is only that: the comparative example 6 comprises the following raw materials in parts by weight: 16 parts of ethylene-vinyl acetate copolymer, 20 parts of ethylene-acrylate copolymer, 15 parts of polyethylene, 2 parts of polyolefin block copolymer, 15 parts of polybutene, 4 parts of auxiliary crosslinking agent, 8 parts of compatilizer, 3 parts of antioxidant, 2 parts of dispersing agent, 0.5 part of rat-proofing agent, 10 parts of diethyl aluminum phosphinate, 15 parts of melamine urate and 20 parts of inorganic flame retardant.
Comparative example 7
Based on example 1, the difference is only that: comparative example 7 does not include a rat repellent.
Test example
In order to verify the performance of the product of the invention, the XLPO sheath materials prepared in the examples 1-6 and the comparative examples 1-7 are respectively subjected to related performance tests, and the specific method comprises the following steps:
testing the physical and mechanical properties according to the standard of GB/T33594-2017;
the vertical combustion performance of the test sample is tested according to GB/T2408-2008 'determination of plastic combustion performance horizontal method and vertical method', and the test sample size is as follows: the length is 125mm, the width is 13mm, and the thickness is 3 mm;
and (3) rat-proof performance test: selecting 35 rats of 300 g/rat, randomly placing 7 mouse cages, placing 5 rats in each cage, respectively placing XLPO sheath materials prepared in examples 1-6 and comparative example 7 into No. 1-7 mouse cages, fixing with steel wires, feeding rats every day, observing the activity, diet and gnawing condition of the sheath materials of the rats, and continuously observing for 2 weeks.
The test results for the XLPO jacket material of examples 1-6 are shown in Table 1.
TABLE 1 results of measuring Properties of XLPO sheath materials prepared in examples 1 to 6
The tearing strength of the XLPO sheath material in the comparative examples 1-2 is respectively 15N/mm and 16N/mm, the swinging times are 8420 times and 8530 times, the good synergistic effect of the polyolefin block copolymer and the polybutene is proved, the unexpected technical effect is achieved by the combination, and the cracking resistance of the XLPO sheath material is remarkably improved.
The XLPO sheath material in the comparative examples 3-6 respectively reaches V-1 grade, V-1 grade and V-1 grade in vertical combustion tests, and the results prove that the aluminum diethylphosphinate, the melamine urate, the inorganic flame retardant and the flame retardant synergist are compounded to serve as a flame retardant synergistic effect, so that the cable sheath material has an obvious flame retardant effect.
The result of the rat-proof performance test shows that: the total area of the XLPO sheath materials prepared in examples 1-6 and comparative example 7 was 300cm2The total gnawing area is 40cm2、45cm2、42cm2、1cm2、35cm2、38cm2、210cm2The protection rates are 86.7%, 85%, 86%, 99.7%, 88.3%, 87.3% and 30%, respectively.
The above-mentioned embodiments only express the embodiments of the present invention, and the description is more specific and detailed, but not understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by using the equivalent substitution or the equivalent transformation should fall within the protection scope of the present invention.
Claims (10)
1. The XLPO sheath material for the charging cable is characterized by comprising the following raw materials in parts by weight: 5-20 parts of ethylene-vinyl acetate copolymer, 10-25 parts of ethylene-acrylate copolymer, 5-20 parts of polyethylene, 2-15 parts of polyolefin block copolymer, 2-15 parts of polybutylene, 3-5 parts of auxiliary crosslinking agent, 2-10 parts of compatilizer, 0.5-3 parts of antioxidant, 0.5-2 parts of dispersant and 0.5-5 parts of rat-proofing agent.
2. The XLPO sheath material for charging cable according to claim 1, wherein the ethylene-acrylic ester copolymer is one or more of ethylene-methacrylic ester copolymer EMMA, ethylene-methyl acrylate copolymer EMA, ethylene-ethyl acrylate copolymer EEA, and ethylene-methyl acrylate copolymer EAA; the polyethylene is linear low density polyethylene; the auxiliary crosslinking agent is at least one of TAIC and TMPTMA.
3. The XLPO sheath material for charging cable according to claim 1, wherein the compatibilizer is one or more of ethylene-octene copolymer grafted maleic anhydride copolymer, ethylene-propylene copolymer grafted maleic anhydride copolymer, SEBS grafted maleic anhydride copolymer; the antioxidant is one or more of bis [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] (antioxidant 1035), tris [2, 4-di-tert-butylphenyl ] phosphite (antioxidant 168), pentaerythritol tetrakis (3-laurylthiopropionate) (antioxidant TH-412S), N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine (antioxidant 1098) and a light stabilizer 622.
4. The XLPO sheathing compound for charging cables according to claim 1, wherein the ratproof agent is one or more of n-nonanoic vanilloylamine, 3- [2- (3, 5-dimethyl-2-oxocyclohexyl) -2-hydroxyethyl ] glutarimide, tributyltin acetate, and t-butylsulfenamide dimethyldithiocarbamate.
5. The XLPO sheath material for the charging cable according to claim 1, further comprising the following raw materials in parts by weight: 5-20 parts of diethyl aluminum phosphinate, 10-40 parts of melamine urate, 10-30 parts of inorganic flame retardant and 3-10 parts of flame retardant synergist.
6. The XLPO sheath material for charging cable according to claim 5, wherein the inorganic flame retardant is one or more of magnesium hydroxide, aluminum hydroxide, talc and calcium carbonate; the flame-retardant synergist is one or more of organosilicate synergist, kaolin, nano montmorillonite, zinc borate and zinc sulfate.
7. The XLPO sheath material for the charging cable according to claim 1, further comprising the following raw materials in parts by weight: 0.5-2 parts of a lubricant.
8. A method for preparing an XLPO sheath material for a charging cable according to any one of claims 1 to 7, comprising the steps of:
s1, adding all the raw materials into an internal mixer together according to a ratio for banburying to obtain a molten blend;
s2, feeding the molten blend into a single-screw extruder for granulation to obtain particles;
s3, putting the particles into a double-screw extruder to perform melt kneading extrusion to obtain an extruded material;
and S4, cooling and pelletizing the extruded materials to obtain the XLPO sheath material for the charging cable.
9. The method for preparing XLPO sheath material for charging cable as claimed in claim 8, wherein the granulation temperature is 140-160 ℃ in step S2; in step S3, the extrusion temperature of the twin-screw extruder is 140-.
10. Use of XLPO sheathing compound for charging cables according to any of claims 1 to 7 on charging cables for electric vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011111701.4A CN112280161A (en) | 2020-10-16 | 2020-10-16 | XLPO sheath material for charging cable and preparation and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011111701.4A CN112280161A (en) | 2020-10-16 | 2020-10-16 | XLPO sheath material for charging cable and preparation and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112280161A true CN112280161A (en) | 2021-01-29 |
Family
ID=74497439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011111701.4A Pending CN112280161A (en) | 2020-10-16 | 2020-10-16 | XLPO sheath material for charging cable and preparation and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112280161A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045903A (en) * | 2014-06-06 | 2014-09-17 | 桐庐雷泰生物科技有限公司 | Ratproof low-smoke halogen-free material |
| CN104966556A (en) * | 2015-07-03 | 2015-10-07 | 章乐电缆（瑞金）有限公司 | Rat-proof and termite-proof cable |
| CN105131405A (en) * | 2015-10-16 | 2015-12-09 | 太仓市晨洲塑业有限公司 | High-strength modified polyethylene jacket |
| CN105646998A (en) * | 2016-04-07 | 2016-06-08 | 杭州科佳新材料股份有限公司 | Ultraviolet resistant, rat-and-ant-resistant, low-temperature-resistant and environment-friendly polyolefin material and preparation method |
| CN106317580A (en) * | 2016-09-26 | 2017-01-11 | 高团结 | Preparation method of rat-proof and ant-proof halogen-free low-smoke flame-retardant polyolefine cable material |
| CN109627567A (en) * | 2018-12-29 | 2019-04-16 | 上海至正道化高分子材料股份有限公司 | A kind of B1 grades of fire-retardant irradiated crosslinking low-smoke and halogen-free insulated cable material and preparation method thereof |
-
2020
- 2020-10-16 CN CN202011111701.4A patent/CN112280161A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104045903A (en) * | 2014-06-06 | 2014-09-17 | 桐庐雷泰生物科技有限公司 | Ratproof low-smoke halogen-free material |
| CN104966556A (en) * | 2015-07-03 | 2015-10-07 | 章乐电缆（瑞金）有限公司 | Rat-proof and termite-proof cable |
| CN105131405A (en) * | 2015-10-16 | 2015-12-09 | 太仓市晨洲塑业有限公司 | High-strength modified polyethylene jacket |
| CN105646998A (en) * | 2016-04-07 | 2016-06-08 | 杭州科佳新材料股份有限公司 | Ultraviolet resistant, rat-and-ant-resistant, low-temperature-resistant and environment-friendly polyolefin material and preparation method |
| CN106317580A (en) * | 2016-09-26 | 2017-01-11 | 高团结 | Preparation method of rat-proof and ant-proof halogen-free low-smoke flame-retardant polyolefine cable material |
| CN109627567A (en) * | 2018-12-29 | 2019-04-16 | 上海至正道化高分子材料股份有限公司 | A kind of B1 grades of fire-retardant irradiated crosslinking low-smoke and halogen-free insulated cable material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 顾生华: "《光纤通信技术》", 31 January 2005, 北京邮电大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112341745A (en) | TPE sheath material for charging cable and preparation and application thereof | |
| CN101817952B (en) | Soft low-smoke halogen-free flame-retardant polyolefin cable material and preparation method thereof | |
| KR101542110B1 (en) | Flame-retardant resin composition for extrusion, insulater prepared using the same, and electrical wire and cable thereof | |
| CN112280162A (en) | Anti-cracking XLPO sheath material for charging cable and preparation and application thereof | |
| CA2796084C (en) | Styrenic block copolymer-based composition with enhanced flame-retardant properties | |
| CN103890865A (en) | Method for manufacturing molded body for electrical wire | |
| KR20090089839A (en) | Flame-retardant thermoplastic resin composition | |
| KR101938006B1 (en) | Resin composition for cables with excellent flexibility, abrasion resistance and flame retardancy | |
| CN103923369A (en) | Halogen-free polyolefin composition and product thereof | |
| CN112375371A (en) | TPU (thermoplastic polyurethane) sheath material for charging cable and preparation and application thereof | |
| WO2015043122A1 (en) | Zero halogen sheath material for 125°c irradiation cross-linked epcv photovoltaics, and method for preparation thereof | |
| CN1772801A (en) | High flame retardance low smoke no-halogen cable sheath material and its production process | |
| CN109651691B (en) | Low-temperature-resistant oil-resistant torsion-resistant low-smoke halogen-free flame-retardant wind energy cable sheath material and preparation method and application thereof | |
| CN1939963A (en) | Flame retardant resin composition with improved whitening resistance in bending deformation | |
| AU740250B2 (en) | Flame retardant polyolefin compositions | |
| CN113912928B (en) | 150 ℃ grade 3000h heat aging resistant halogen-free flame retardant polyolefin cable material and preparation method thereof | |
| JP6069573B1 (en) | Flame retardant resin composition, metal cable, optical fiber cable and molded product using the same | |
| JP2002508023A (en) | Polyolefin composition | |
| CN112391024A (en) | Anti-cracking TPE sheath material for charging cable and preparation and application thereof | |
| CN105237892A (en) | Cold-resistance flame-retardant cable sheath material and preparation method thereof | |
| JP2010095638A (en) | Non-halogen flame retardant resin composition and non-halogen flame retardant electric wire | |
| KR102286151B1 (en) | Halogen free flame-retardant polyolefin-based insulation resin composition, insulation cable amd manufactuting method for the same | |
| CN112280161A (en) | XLPO sheath material for charging cable and preparation and application thereof | |
| US6753372B1 (en) | Flame retardant polyolefin compositions | |
| CN1807499A (en) | Halogen-free combustion-proof polypropylene high-speed abrasion-proof insulating material for auto initial line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210129 |
|
| RJ01 | Rejection of invention patent application after publication |