CN105061879B - It is a kind of based on the conductor of ethylene-vinyl acetate copolymer thermoplasticity semiconductive shieldin material and preparation method thereof - Google Patents
It is a kind of based on the conductor of ethylene-vinyl acetate copolymer thermoplasticity semiconductive shieldin material and preparation method thereof Download PDFInfo
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- CN105061879B CN105061879B CN201510512332.2A CN201510512332A CN105061879B CN 105061879 B CN105061879 B CN 105061879B CN 201510512332 A CN201510512332 A CN 201510512332A CN 105061879 B CN105061879 B CN 105061879B
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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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- 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
- C08K2201/001—Conductive additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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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Abstract
The invention discloses it is a kind of based on ethylene-vinyl acetate copolymer and preparation method thereof.The conductor is made up of with thermoplasticity semiconductive shieldin material the component of following parts by weight：1 ~ 2 part of 70 ~ 150 parts of ethylene-vinyl acetate copolymer, 20 ~ 60 parts of LLDPE, 30 ~ 50 parts of carbon black, 10 ~ 15 parts of lubricant, 0.5 ~ 2 part of antioxidant and filler；The thermoplasticity semiconductive shieldin material forms by using the specific components with certain content, in the case where not using crosslinking agent, improves processing temperature, while does not influence extrusion performance, and properties of product meet JB/T10738 2007 requirement.
Description
Technical field
The present invention relates to a kind of based on the conductor of ethylene-vinyl acetate copolymer thermoplasticity semiconductive shieldin material and its system
Preparation Method.
Background technology
Cross-linked polyethylene insulated cable conductor peroxide cross-linking type semiconductive shieldin material has good shielding properties
And excellent processing stability, it is widely used in the conductor shield of domestic peroxide crosslinking insulated cable, as electricity
The shielding material of line cable, due to the difference of its application environment, the requirement to its performance also differs；For producing 10KV silane
For cross linked insulation aerial cable, if using the expressing technique of double-layer coextrusion, cross-linked polyethylene insulated cable conductor peroxide
The extrusion temperature of compound cross-linking type semiconductive shieldin material is controlled within 118 DEG C, and scope is narrower, but in fact, crosslinked with silicane is exhausted
The extrusion temperature of edge material requires higher, typically at 200 DEG C or so, head temperature can be caused mutually to conduct at such a temperature, occurs
Shielding material pre-cross-linking phenomena, can not be extruded.
The content of the invention
Above-mentioned deficiency of the prior art is directed to, the invention provides a kind of based on ethylene-vinyl acetate copolymer
Conductor thermoplasticity semiconductive shieldin material, solve and temperature is extruded in existing cross-linking type semiconductive shieldin material production process with squeezing
Go out performance can not match cause shielding material pre-cross-linking phenomena occurs and the problem of can not extrude.
In order to achieve the above object, the technical solution adopted by the present invention is：
It is a kind of based on the conductor of ethylene-vinyl acetate copolymer thermoplasticity semiconductive shieldin material, it is characterized in that, by following
The component composition of parts by weight：
In the preferred technical solution of the present invention, based on the conductor of ethylene-vinyl acetate copolymer thermoplasticity semiconductive
Shielding material is made up of the component of following parts by weight：
The lubricant is made up of the component of following parts by weight：
5~10 parts of white oil
1~3 part of Tissuemat E.
The lubricant is made up of the component of following parts by weight：
8 parts of white oil
2 parts of Tissuemat E.
The white oil is 1 according to weight ratio by No. 100 white oils and No. 200 white oils:1 ratio is formulated.
The molecular weight of the Tissuemat E is 4000~5000.
The content of the ethylene-vinyl acetate copolymer medium vinyl acetate is 18~20%.
The antioxidant is antioxidant 1010；The filler is nano-calcium carbonate.
The above-mentioned preparation method based on the conductor of ethylene-vinyl acetate copolymer with thermoplasticity semiconductive shieldin material, including：
According to formula rate by ethylene-vinyl acetate copolymer, LLDPE, carbon black, lubricant, antioxidant
Added with filler in banbury, banburying is carried out at 160~180 DEG C；
The material after banburying is added in parallel dual-screw extruding machine again and carries out extruding pelletization, is dried, is made.
The present invention based on the conductor of ethylene-vinyl acetate copolymer with thermoplasticity semiconductive shieldin material by using with
The specific components composition of certain content, in the case where not using crosslinking agent, improves processing temperature, while do not influence extrudability
Can, properties of product meet JB/T10738-2007 requirement.
The present invention ethylene-vinyl acetate copolymer be closedcells structure, have do not absorb water, protection against the tide, the spy of water resistance
Point, solves the shortcomings that carbon black is hygroscopic, extends the resting period of product, has widened the storage condition of product.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, specific examples below, the application is made into one
Step ground describes in detail.
Embodiment 1
Component group based on the conductor of ethylene-vinyl acetate copolymer with thermoplasticity semiconductive shieldin material by following parts by weight
Into：70 parts of ethylene-vinyl acetate copolymer, 20 parts of LLDPE, 30 parts of carbon black, 10 parts of lubricant, antioxidant 0.5
1 part of part and filler；Lubricant is made up of the component of following parts by weight：1 part of 5 parts of white oil and Tissuemat E；White oil is white by No. 100
Oil and No. 200 white oils are 1 according to weight ratio:1 ratio is formulated；The molecular weight of Tissuemat E is 4000~5000；Antioxygen
Agent is antioxidant 1010；Filler is nano-calcium carbonate.
It is above-mentioned to be with the preparation method of thermoplasticity semiconductive shieldin material based on the conductor of ethylene-vinyl acetate copolymer：
According to above-mentioned formula rate, by ethylene-vinyl acetate copolymer, LLDPE, carbon black, lubricant,
Antioxidant and filler are added in banbury, and banburying is carried out at 160 DEG C；
The material after banburying is added in parallel dual-screw extruding machine again and carries out extruding pelletization, in granulation process, is adopted
It is granulated with the mode of water ring pelletizing, and is conveyed using current, then material and moisture is carried out using centrifugal dehydrator
Separation, finally the micro-moisture of surface of material attachment is dried, you can.
The performance of the obtained product is tested, meets JB/T10738-2007 requirement.
Embodiment 2
Component group based on the conductor of ethylene-vinyl acetate copolymer with thermoplasticity semiconductive shieldin material by following parts by weight
Into：100 parts of ethylene-vinyl acetate copolymer, 30 parts of LLDPE, 35 parts of carbon black, 10 parts of lubricant, antioxidant
0.5 part and 1.5 parts of filler；Lubricant is made up of the component of following parts by weight：2 parts of 8 parts of white oil and Tissuemat E；White oil by
No. 100 white oils and No. 200 white oils are 1 according to weight ratio:1 ratio is formulated；The molecular weight of Tissuemat E be 4000~
5000；Antioxidant is 1010 antioxidant 1010s；Filler is nano-calcium carbonate.
It is above-mentioned to be with the preparation method of thermoplasticity semiconductive shieldin material based on the conductor of ethylene-vinyl acetate copolymer：
According to above-mentioned formula rate, by ethylene-vinyl acetate copolymer, LLDPE, carbon black, lubricant,
Antioxidant and filler are added in banbury, and banburying is carried out at 180 DEG C；
The material after banburying is added in parallel dual-screw extruding machine again and carries out extruding pelletization, in granulation process, is adopted
It is granulated with the mode of water ring pelletizing, and is conveyed using current, then material and moisture is carried out using centrifugal dehydrator
Separation, finally the micro-moisture of surface of material attachment is dried, you can.
The performance of the obtained product is tested, meets JB/T10738-2007 requirement.
Embodiment 3
Component group based on the conductor of ethylene-vinyl acetate copolymer with thermoplasticity semiconductive shieldin material by following parts by weight
Into：150 parts of ethylene-vinyl acetate copolymer, 60 parts of LLDPE, 50 parts of carbon black, 15 parts of lubricant, antioxidant 2
2 parts of part and filler；Lubricant is made up of the component of following parts by weight：3 parts of 10 parts of white oil and Tissuemat E；White oil is by No. 100
White oil and No. 200 white oils are 1 according to weight ratio:1 ratio is formulated；The molecular weight of Tissuemat E is 4000~5000；It is anti-
Oxygen agent is antioxidant 1010；Filler is nano-calcium carbonate.
It is above-mentioned to be with the preparation method of thermoplasticity semiconductive shieldin material based on the conductor of ethylene-vinyl acetate copolymer：
According to above-mentioned formula rate, by ethylene-vinyl acetate copolymer, LLDPE, carbon black, lubricant,
Antioxidant and filler are added in banbury, and banburying is carried out at 170 DEG C；
The material after banburying is added in parallel dual-screw extruding machine again and carries out extruding pelletization, in granulation process, is adopted
It is granulated with the mode of water ring pelletizing, and is conveyed using current, then material and moisture is carried out using centrifugal dehydrator
Separation, finally the micro-moisture of surface of material attachment is dried, you can.
The performance of the obtained product is tested, meets JB/T10738-2007 requirement.
Embodiment 4
Component group based on the conductor of ethylene-vinyl acetate copolymer with thermoplasticity semiconductive shieldin material by following parts by weight
Into：120 parts of ethylene-vinyl acetate copolymer, 50 parts of LLDPE, 40 parts of carbon black, 13 parts of lubricant, antioxidant 1
1 part of part and filler；Lubricant is made up of the component of following parts by weight：2 parts of 6 parts of white oil and Tissuemat E；White oil is white by No. 100
Oil and No. 200 white oils are 1 according to weight ratio:1 ratio is formulated；The molecular weight of Tissuemat E is 4000~5000；Antioxygen
Agent is antioxidant 1010；Filler is nano-calcium carbonate.
It is above-mentioned to be with the preparation method of thermoplasticity semiconductive shieldin material based on the conductor of ethylene-vinyl acetate copolymer：
According to above-mentioned formula rate, by ethylene-vinyl acetate copolymer, LLDPE, carbon black, lubricant,
Antioxidant and filler are added in banbury, and banburying is carried out at 160 DEG C；
The material after banburying is added in parallel dual-screw extruding machine again and carries out extruding pelletization, in granulation process, is adopted
It is granulated with the mode of water ring pelletizing, and is conveyed using current, then material and moisture is carried out using centrifugal dehydrator
Separation, finally the micro-moisture of surface of material attachment is dried, you can.
The performance of the obtained product is tested, meets JB/T10738-2007 requirement.
1#, 2#, 3# and 4# are designated as respectively to product made from above-described embodiment 1 to embodiment 4, the performance of these products
Tested, shown in table specific as follows：
As can be seen that meeting wanting for JB/T10738-2007 using product made from the inventive method from above table
Ask, therefore, the content of each component, solves friendship in formula and formula of the present invention by setting thermoplasticity semiconductive shieldin material
Join polyethylene insulated cable conductor peroxide cross-linking type semiconductive shieldin material processing temperature control range in use
The problem of partially narrow so that in the case where not using crosslinking agent, while processing temperature is provided, extrusion performance is not influenceed also,
Application is promoted significantly.
Claims (2)
1. it is a kind of based on the conductor of ethylene-vinyl acetate copolymer thermoplasticity semiconductive shieldin material, it is characterized in that, by following heavy
Measure the component composition of part：
The lubricant is made up of the component of following parts by weight：
8 parts of white oil
2 parts of Tissuemat E；
The white oil is 1 according to weight ratio by No. 100 white oils and No. 200 white oils:1 ratio is formulated；
The molecular weight of the Tissuemat E is 4000~5000；
The content of the ethylene-vinyl acetate copolymer medium vinyl acetate is 18~20%；
The antioxidant is antioxidant 1010；
The filler is nano-calcium carbonate.
2. the preparation based on the conductor of ethylene-vinyl acetate copolymer with thermoplasticity semiconductive shieldin material described in claim 1
Method, it is characterized in that, including：
By ethylene-vinyl acetate copolymer, LLDPE, carbon black, lubricant, antioxidant and filled out according to formula rate
Fill agent to add in banbury, banburying is carried out at 160~180 DEG C；
The material after banburying is added in parallel dual-screw extruding machine again and carries out extruding pelletization, is dried, is made.
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| CN110328828B (en) * | 2019-07-10 | 2020-05-29 | 长园电力技术有限公司 | Cross-linking type EVA composite semi-conductive stress control cone and manufacturing method thereof |
| CN110698752A (en) * | 2019-10-08 | 2020-01-17 | 深圳市晖耀电线电缆有限公司 | Conductive shielding film material, preparation method thereof and shielding data line |
| CN111303526A (en) * | 2020-04-02 | 2020-06-19 | 成都鑫成鹏高分子科技股份有限公司 | Multilayer graphene modified semiconductive 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 |
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| KR100587382B1 (en) * | 1999-08-19 | 2006-06-08 | 삼성토탈 주식회사 | Crosslinkable resin composition for rotational moulding with high performance and weatherability |
| CN101392079B (en) * | 2008-10-10 | 2011-05-04 | 常州天晟新材料股份有限公司 | Conductive ethylene-vinyl acetate co-polymer foamed profile and preparation method thereof |
| CN101585943A (en) * | 2009-06-18 | 2009-11-25 | 上海交通大学 | Cable semi-conductive shielding material and preparation method thereof |
| CN101891914B (en) * | 2010-07-29 | 2013-03-20 | 山东科虹线缆有限公司 | Composite type high-conductivity polymer material and preparation method thereof |
| CN102134348B (en) * | 2010-12-14 | 2012-12-12 | 江苏德威新材料股份有限公司 | Polyolefin semiconductive composite for organosilane crosslinked overhead cables with rated voltage of less than or equal to 20KV |
| CN102558657B (en) * | 2010-12-27 | 2016-03-30 | 深圳市宏商材料科技股份有限公司 | A kind of formula of dual-layer thermal shrinkage-chilling shrinkage composite sleeve and production technique thereof |
| CN102153878A (en) * | 2011-03-02 | 2011-08-17 | 青岛威东科高分子材料有限公司 | Preparation method for conductive polymer sheathing material |
| CN102863686B (en) * | 2012-10-11 | 2014-12-17 | 江苏德威新材料股份有限公司 | Semiconductive low-smoke zero-halogen flame-retardant polyolefin sheath material and preparation method thereof |
| CN103044758A (en) * | 2012-12-21 | 2013-04-17 | 上海至正道化高分子材料有限公司 | Thermoplastic water-resistant low-smoke halogen-free flame retardant cable material and manufacturing method thereof |
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