CN108997631A - Cable semiconductive polyethylene shielding material - Google Patents
Cable semiconductive polyethylene shielding material Download PDFInfo
- Publication number
- CN108997631A CN108997631A CN201710417886.3A CN201710417886A CN108997631A CN 108997631 A CN108997631 A CN 108997631A CN 201710417886 A CN201710417886 A CN 201710417886A CN 108997631 A CN108997631 A CN 108997631A
- Authority
- CN
- China
- Prior art keywords
- shielding material
- cable
- semiconductive polyethylene
- thermoplastic elastomer
- conductive
- 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
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L2205/03—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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Conductive Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses cable semiconductive polyethylene shielding materials, in parts by weight, the cable is as follows with the composition of raw materials of semiconductive polyethylene shielding material: low density polyethylene (LDPE) 70-90, ethylene propylene diene rubber 20-30, conductive black 35-45, gas-phase silica 6-8, dioctyl terephthalate 12-15, two formyl 4-6 of peroxidating, thermoplastic elastomer (TPE) 10-20, fire retardant 1-5, conductive metal powder 5-15, antioxidant 5-10 and stabilizer 2-10, cable of the invention uses low density polyethylene (LDPE) for primary raw material with semi-conductive shielding material, tensile strength and tear resistance are good, it joined thermoplastic elastomer (TPE) simultaneously, conductive metal powder can be improved flexibility, it conducts electricity very well, securely and reliably.
Description
Technical field
The invention belongs to cable production material field more particularly to cable semiconductive polyethylene shielding materials.
Background technique
High voltage direct current cable route because its transmission capacity is big, low cost, loss are small, high reliablity, the features such as in long service life due to
Using more and more extensive.With the fast development of electrical engineering and electronic technology, flexible conductive polymer has wide application
Prospect.In certain application aspect, the multifunctional polymer based composites of high dielectric constant and high conductivity increasingly by
To extensive concern.Wherein, polyethylene (PE) is best one of the insulating materials of high-voltage dc transmission field of power distribution.
Traditional semiconductive power cable shielding material has not adapted to the quality and performance requirement of current cable, needs to be added
Various reinforcement cable strengths and the additive of performance just adapt to today's society to the quality requirement of cable or cable.
Summary of the invention
Goal of the invention: present invention seek to address that above-mentioned problem, proposes a kind of cable semiconductive polyethylene shielding material.
Technical solution: cable semiconductive polyethylene shielding material, in parts by weight, cable semiconductive polyethylene
The composition of raw materials of shielding material is as follows: low density polyethylene (LDPE) 70-90, ethylene propylene diene rubber 20-30, conductive black 35-45, gas phase
White carbon black 6-8, dioctyl terephthalate 12-15, two formyl 4-6 of peroxidating, thermoplastic elastomer (TPE) 10-20, fire retardant 1-5,
Conductive metal powder 5-15, antioxidant 5-10 and stabilizer 2-10.
The preparation method of cable semiconductive polyethylene shielding material, comprising the following specific steps
(1), pretreatment of raw material: being heated to 30 DEG C~40 DEG C for high-speed mixer, by the conductive black, fire retardant and
Antioxidant pours into high-speed mixer together, and stabilizer is added in the case where being 400~475 revs/min in low whipping speed, stirs
It mixes, conductive metal powder is then added, continue to be stirred until homogeneous；
(2), pass through automatic feeder for the low density polyethylene (LDPE), ethylene propylene diene rubber, gas-phase silica, terephthaldehyde
Dioctyl phthalate, two formyl of peroxidating, thermoplastic elastomer (TPE) and the raw material by step (1) processing are added to two steps type mixing
Extruding pelletization in BUSS unit is successively dehydrated, is dried to get the cable semiconductive polyethylene shielding material.
The fire retardant is the mixture of Sb system fire retardant, zinc flame retardant, halogenated flame retardant and nitrogenated flame retardant.
The conductive black is the mixture of 40B2 conductive black and superconductive carbon black 350G.
The stabilizer is the mixture of pentaerythrite, xylitol and mannitol.
The thermoplastic elastomer (TPE) is containing polypropylene, styrenic thermoplastic elastomer, mineral oil, inorganic filler, increase-volume
Agent and optional ethylene copolymer.
The utility model has the advantages that cable of the invention uses low density polyethylene (LDPE) for primary raw material with semi-conductive shielding material, anti-tensile
Intensity and tear resistance are good, at the same joined thermoplastic elastomer (TPE), conductive metal powder can be improved flexibility, electric conductivity
It is good, securely and reliably.
Specific embodiment
The embodiment of the present invention is described in detail below.
Cable semiconductive polyethylene shielding material, in parts by weight, cable semiconductive polyethylene shielding material
Composition of raw materials it is as follows: low density polyethylene (LDPE) 70-90, ethylene propylene diene rubber 20-30, conductive black 35-45, gas-phase silica 6-
8, dioctyl terephthalate 12-15, two formyl 4-6 of peroxidating, thermoplastic elastomer (TPE) 10-20, fire retardant 1-5, conductive metal
Powder 5-15, antioxidant 5-10 and stabilizer 2-10.
The preparation method of cable semiconductive polyethylene shielding material, comprising the following specific steps
(1), pretreatment of raw material: being heated to 30 DEG C~40 DEG C for high-speed mixer, by the conductive black, fire retardant and
Antioxidant pours into high-speed mixer together, and stabilizer is added in the case where being 400~475 revs/min in low whipping speed, stirs
It mixes, conductive metal powder is then added, continue to be stirred until homogeneous；
(2), pass through automatic feeder for the low density polyethylene (LDPE), ethylene propylene diene rubber, gas-phase silica, terephthaldehyde
Dioctyl phthalate, two formyl of peroxidating, thermoplastic elastomer (TPE) and the raw material by step (1) processing are added to two steps type mixing
Extruding pelletization in BUSS unit is successively dehydrated, is dried to get the cable semiconductive polyethylene shielding material.
Specifically, the fire retardant is the mixing of Sb system fire retardant, zinc flame retardant, halogenated flame retardant and nitrogenated flame retardant
Object.
Specifically, the conductive black is the mixture of 40B2 conductive black and superconductive carbon black 350G.
Specifically, the stabilizer is the mixture of pentaerythrite, xylitol and mannitol.
Specifically, the thermoplastic elastomer (TPE) is containing polypropylene, styrenic thermoplastic elastomer, mineral oil, inorganic fill
Object, expanding material and optional ethylene copolymer.
Embodiment 1: cable semiconductive polyethylene shielding material, in terms of weight (KG) part, the cable is poly- with semiconductive
The composition of raw materials of ethylene shielding material is as follows: low density polyethylene (LDPE) 70, ethylene propylene diene rubber 20, conductive black 35, gas phase hard charcoal
Black 6, dioctyl terephthalate 12, two formyl 4 of peroxidating, thermoplastic elastomer (TPE) 10, fire retardant 1, conductive metal powder 5, antioxygen
Agent 5 and stabilizer 2.
Embodiment 2: cable semiconductive polyethylene shielding material, in parts by weight, cable semiconductive polyethylene
The composition of raw materials of shielding material is as follows: low density polyethylene (LDPE): 90, ethylene propylene diene rubber 30, conductive black 45, gas-phase silica 8,
Dioctyl terephthalate 15, two formyl 6 of peroxidating, thermoplastic elastomer (TPE) 20, fire retardant 5, conductive metal powder 15, antioxidant 10
With stabilizer 10.
Embodiment 3: cable semiconductive polyethylene shielding material, in parts by weight, cable semiconductive polyethylene
The composition of raw materials of shielding material is as follows: low density polyethylene (LDPE) 80, ethylene propylene diene rubber 25, conductive black 40, gas-phase silica 7,
Dioctyl terephthalate 15, two formyl 6 of peroxidating, thermoplastic elastomer (TPE) 20, fire retardant 4, conductive metal powder 15, antioxidant 10
With stabilizer 8.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (6)
1. cable semiconductive polyethylene shielding material, it is characterised in that: in parts by weight, cable semiconductive polyethylene
The composition of raw materials of shielding material is as follows: low density polyethylene (LDPE) 70-90, ethylene propylene diene rubber 20-30, conductive black 35-45, gas phase
White carbon black 6-8, dioctyl terephthalate 12-15, two formyl 4-6 of peroxidating, thermoplastic elastomer (TPE) 10-20, fire retardant 1-5,
Conductive metal powder 5-15, antioxidant 5-10 and stabilizer 2-10.
2. the cable according to claim 1 preparation method of semiconductive polyethylene shielding material, which is characterized in that including
Step in detail below:
(1), pretreatment of raw material: high-speed mixer is heated to 30 DEG C~40 DEG C, by the conductive black, fire retardant and antioxygen
Agent is poured into high-speed mixer together, and stabilizer is added in the case where being 400~475 revs/min in low whipping speed, is stirred, so
After conductive metal powder is added, continue to be stirred until homogeneous；
(2), pass through automatic feeder for the low density polyethylene (LDPE), ethylene propylene diene rubber, gas-phase silica, terephthalic acid (TPA) two
Monooctyl ester, two formyl of peroxidating, thermoplastic elastomer (TPE) and the raw material by step (1) processing are added to two steps type and are kneaded BUSS machine
Extruding pelletization in group is successively dehydrated, is dried to get the cable semiconductive polyethylene shielding material.
3. cable according to claim 1 semiconductive polyethylene shielding material, which is characterized in that the fire retardant is antimony
Flame retardant, zinc flame retardant, halogenated flame retardant and nitrogenated flame retardant mixture.
4. cable according to claim 1 semiconductive polyethylene shielding material, which is characterized in that the conductive black is
The mixture of 40B2 conductive black and superconductive carbon black 350G.
5. cable according to claim 1 semiconductive polyethylene shielding material, which is characterized in that the stabilizer is season
The mixture of penta tetrol, xylitol and mannitol.
6. cable according to claim 1 semiconductive polyethylene shielding material, which is characterized in that the thermoplastic elastic
Body is containing polypropylene, styrenic thermoplastic elastomer, mineral oil, inorganic filler, expanding material and optional ethylene copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417886.3A CN108997631A (en) | 2017-06-06 | 2017-06-06 | Cable semiconductive polyethylene shielding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417886.3A CN108997631A (en) | 2017-06-06 | 2017-06-06 | Cable semiconductive polyethylene shielding material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108997631A true CN108997631A (en) | 2018-12-14 |
Family
ID=64572751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710417886.3A Pending CN108997631A (en) | 2017-06-06 | 2017-06-06 | Cable semiconductive polyethylene shielding material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108997631A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266780A (en) * | 2017-07-31 | 2017-10-20 | 江苏德威新材料股份有限公司 | A kind of power cable non-crosslinked semi-conductive shielding material and preparation method thereof |
| CN111816348A (en) * | 2020-07-20 | 2020-10-23 | 江苏中天科技股份有限公司 | Semi-conductive metal composite belt and cable |
| CN112466550A (en) * | 2020-11-18 | 2021-03-09 | 安徽神华特种线缆有限公司 | Shielded cable for computer |
-
2017
- 2017-06-06 CN CN201710417886.3A patent/CN108997631A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266780A (en) * | 2017-07-31 | 2017-10-20 | 江苏德威新材料股份有限公司 | A kind of power cable non-crosslinked semi-conductive shielding material and preparation method thereof |
| CN111816348A (en) * | 2020-07-20 | 2020-10-23 | 江苏中天科技股份有限公司 | Semi-conductive metal composite belt and cable |
| CN112466550A (en) * | 2020-11-18 | 2021-03-09 | 安徽神华特种线缆有限公司 | Shielded cable for computer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101633766B (en) | Environment-friendly flame retardant semiconductive PVC sheathing compound used for ultra-pressure cable sheath | |
| CN108997631A (en) | Cable semiconductive polyethylene shielding material | |
| CN105968698B (en) | A kind of cable and its production technology | |
| CN101885873B (en) | Semi-conductive ethylene vinyl acetate (EVA) plastic for shielding and production method thereof | |
| CN101440186A (en) | Medium and low voltage fuel-resistant rubber semi-conductive shielding material for cable and preparation thereof | |
| CN102863686A (en) | Semiconductive low-smoke zero-halogen flame-retardant polyolefin sheath material and preparation method thereof | |
| CN101619148A (en) | Composite insulation material for cable and preparation method thereof | |
| CN107286444A (en) | A kind of high-intensity high combustion property CABLE MATERIALS and preparation method thereof | |
| CN102725344A (en) | Crosslinked polyolefin composition, direct-current power cable, and process for construction of direct-current power line | |
| CN102952313B (en) | Low smoke zero halogen flame retardant material for high voltage cable jacket | |
| CN107325390A (en) | A kind of high-tension cable semiconductive shieldin material | |
| CN103665529B (en) | Semiconduction inner shield feed composition and semiconduction inner shield material and method for making thereof and mesolow and 110 kv cables | |
| CN113444320A (en) | Cable insulation material and preparation method and application thereof | |
| CN105860266A (en) | Communication cable sheath material and preparation method thereof | |
| CN104292638B (en) | A kind of preparation method of callable cable insulation material | |
| CN101701081A (en) | Thermal-shrinkage stress control pipe material | |
| CN108997641A (en) | Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor | |
| CN103665525A (en) | High voltage direct current cable insulation material | |
| CN108997643A (en) | Strippable semi-conductive shielding material for insulation of cross-linked cable | |
| CN106332336A (en) | PTC material self-temperature limiting electric heat tracing band processing technology | |
| CN110128736A (en) | A kind of high-tension cable semiconductive shieldin material and its preparation method and application | |
| CN105385033B (en) | The preparation method of recyclable polypropylene/SEBS/ graphene oxide CABLE MATERIALSs | |
| CN107936537A (en) | A kind of high voltage direct current cable material containing high dispersion fullerene and preparation method thereof | |
| CN107266779A (en) | A kind of power engineering insulating materials of fire-retardant stretch-proof and preparation method thereof | |
| CN108997642A (en) | A kind of Cross-linkable semiconductive inner shield CABLE MATERIALS of 35KV twisted polyethylene cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181214 |
|
| WD01 | Invention patent application deemed withdrawn after publication |