CN103665533B - Adapt to four co-extrusions and connect sulphur unit insulation semiconductive shieldin material - Google Patents
Adapt to four co-extrusions and connect sulphur unit insulation semiconductive shieldin material Download PDFInfo
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- CN103665533B CN103665533B CN201310752054.9A CN201310752054A CN103665533B CN 103665533 B CN103665533 B CN 103665533B CN 201310752054 A CN201310752054 A CN 201310752054A CN 103665533 B CN103665533 B CN 103665533B
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- weight portion
- extrusions
- sulphur unit
- connect
- semiconductive shieldin
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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
-
- 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
-
- 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
Abstract
The invention discloses four co-extrusions of a kind of adaptation and connect sulphur unit insulation semiconductive shieldin material (being called for short external shield material). Cannot adapt in order to solve existing external shield material the problem that four extruder co-extrusions connect the production of sulphur unit, described semiconductive external shield material comprises the component of following weight portion: ethene-vinylacetate 100 weight portions; Conductive black 85-100 weight portion; Dioctyl phthalate 37-43 weight portion; Cumyl peroxide 3.0-3.5 weight portion; Cyanacrylate 1.7-2.2 weight portion; Zinc oxide 5.0-7.0 weight portion; Stearic acid 1.5-2.0 weight portion. The present invention can not only meet the processing performance of four extruder co-extrusions, and meets the regulation of JB/T10738-2007 " EP rubbers cable semiconductive shieldin material mechanical and physical performance and electric property ", comprises removability.
Description
Technical field
The present invention relates to four co-extrusions of a kind of adaptation and connect sulphur unit insulation semiconductive shieldin material, (being called for short external shield material).
Background technology
Up to now, company's sulphur unit that 2012 Goldcup Electric Apparatus Co., Ltd. introduce from U.S. Davis (DAVIS)(it is completed jointly by three national associated companies such as the U.S., Switzerland, Germany) is only four co-extrusion equipment in the world, Fig. 1Be depicted as four co-extruding machine heads, and other company mostly is three co-extrusions most, the inner shield material physical parameter of producing both at home and abroad only withThree co-extrusions connect sulphur unit coupling, adopt three co-extrusions to connect the inner shield material test manufacture of sulphur unit coupling, all end in failure. Study carefullyIts reason, the angle that the angle of putting due to four extruders is put than three extruders is little, requires inner shield material rheological propertyBetter.
Summary of the invention
Cannot adapt in order to overcome existing external shield material the deficiency that four extruder co-extrusions connect the production of sulphur unit, thisBright four co-extrusions of a kind of adaptation that aim to provide connect sulphur unit insulation semiconductive shieldin material, and this shielding material can not only meet four and squeezeGo out the processing performance of machine co-extrusion, and meet JB/T10738-2007 " EP rubbers cable semiconductive shieldin material mechanical-physicalPerformance and electric property " regulation, there is good removability.
To achieve these goals, the technical solution adopted in the present invention is:
Be below the technical scheme of further improvement of the present invention:
Further, four co-extrusions of adaptation of the present invention connect sulphur unit with insulation semiconductive shieldin material also comprise:
Anti-aging agent RD 1.5-2.0 weight portion;
Paraffin 2.5-3.0 weight portion.
Further, four co-extrusions of adaptation of the present invention connect sulphur unit with insulation semiconductive shieldin material also comprise:
Release agent A-163.0-4.0 weight portion.
Preferably, described dioctyl phthalate is 41-43 weight portion.
Preferably, described cumyl peroxide is 3.3-3.5 weight portion.
Preferably, described cyanacrylate is 2.0-2.2 weight portion.
Preferably, the model of described conductive black is 40B2, and content is 95-100 mass parts.
Compared with prior art, the invention has the beneficial effects as follows: external shield material of the present invention has good rheological propertyWith good removability, can meet the processing performance of four extruder co-extrusions, and external shield material mechanical and physical performance andElectric property meets JB/T10738-2007 " EP rubbers cable semiconductive shieldin material mechanical and physical performance and electric property "Regulation, comprise removability.
Brief description of the drawings
Fig. 1 is the profile schematic diagram of four co-extruding machine heads of the present invention.
Detailed description of the invention
One is adapted to four co-extrusions and connects sulphur unit external shield material, comprising:
(1) base-material: select ethene-vinylacetate that Mooney viscosity is low, insulation resistivity is low (EVA), add a large amount ofConductive black.
(2) softening agent: select the dioctyl phthalate (DOP) that viscosity is little, insulating properties are poor.
(3) crosslinking agent: adopt cumyl peroxide (DCP) to make crosslinking agent, cyanacrylate (TAIC) is doneAssistant crosslinking agent.
(4) releasing agent: select releasing agent, give removability good between external shield material and second the third insulation.
Other adopts the conventional compounding ingredient of rubber.
The present invention is adapted to four co-extrusions and connects the concrete basic recipe of sulphur unit external shield material and quality percentage composition in table 1
The concrete basic recipe of table 1 external shield material and quality percentage composition example
The main checkout equipment of the present invention comprises MV2-2000 Mooney viscosity test instrument, and Wuxi City Li Garden electronic chemical equipment hasLimit company produces; MDR-2000E vulcanizes test instrument, and Wuxi City Li Garden electronic chemical equipment Co., Ltd produces; LJ-500 pulling forceTesting machine, Guangzhou testing machine factory produces; LHX-II heat aging test chamber, Huhehaote testing lines instrument research institute produces;The hot elongation test instrument of RYS-III, Huhehaote testing lines instrument research institute produces; TY-7006 low-temperature impact embrittlement instrument, ShanghaiJie Ji environmental test equipment Co., Ltd produces; DB-4A semiconductive rubber and plastic resistance meter, the limited public affairs of Shanghai benefit plumage instrument and meterDepartment produces.
Main production equipments of the present invention comprises that MM85 double end draws greatly continuous annealing unit, and German Ni Huofu manufacture is limitedCompany produces; 16 little continuous annealing units that draw of MMH101, German Ni Huofu manufacture Co., Ltd produces; D631 at a high speedBuncher, German Ni Huofu manufacture Co., Ltd produces; GK135E banbury, the limited public affairs of Yiyang rubber plastic machinery groupDepartment produces; XK-610 mill, Sichuan Yaxi Plastic Machine Co., Ltd. produces; XY-3 Г 900 tri-roll press machines, Sichuan Ya XiRubber and plastic machine Co., Ltd produces; Four co-extrusions connect sulphur unit, and Davis-Standard Corp of the U.S. produces.
The technology characteristics parameter of external shield material basic recipe example 1 of the present invention and example 2 is in table 2
The technology characteristics parameter list of table 2 external shield material of the present invention
As can be seen from Table 2, external shield material of the present invention be applicable to the external shield that three co-extrusions connect sulphur unit both at home and abroadMaterial technology characteristics parameter is compared, and for improving external shield material rheological property, the former Mooney viscosity (ML1+4,100 DEG C) is 55-61,The latter's Mooney viscosity (ML1+4,100 DEG C) is generally 68-75; The former is significantly less than the latter, and rubber vulcanization characterisitic parameter is basicIdentical.
External shield material example 1 of the present invention and example 2 mechanical and physical performances and electric property, in table 3.
Table 3 external shield material mechanical and physical performance and electric property
※ external shielding layer should peel from insulation, and the section of peeling off insulating surface is answered the vestiges of not damaged and external shield,Peeling force is not less than 4N, is not more than 45N.
The key index of external shield material of the present invention as can be seen from Table 3,--electric conductivity (20 DEG C of specific insulations:5.2-6.0 Ω cm; 90 DEG C of specific insulations: 61--67 Ω cm) be applicable to both at home and abroad three co-extrusions connect sulphur unit outsideShielding material electric conductivity (20 DEG C of specific insulations: 17-31 Ω cm; 90 DEG C of specific insulations: 220--380 Ω cm) compare, external shield material resistivity of the present invention is significantly less than the latter, and sizing material mechanical and physical performance meets JB/T10738-2007 " secondSemiconductive shieldin material mechanical and physical performance and electric property for the third rubber cable " regulation, comprise removability.
The content that above-described embodiment is illustrated should be understood to these embodiment only for being illustrated more clearly in the present invention, and notBe used for limiting the scope of the invention, after having read the present invention, those skilled in the art are to the various equivalent form of values of the present inventionAmendment all fall within the application's claims limited range.
Claims (6)
1. adapt to four co-extrusions and connect a sulphur unit insulation semiconductive shieldin material, it is characterized in that, its raw material comprises following weightThe component of part:
Ethene-vinylacetate 100 weight portions;
Conductive black 85-100 weight portion;
Dioctyl phthalate 37-43 weight portion;
Cumyl peroxide 3.0-3.5 weight portion;
Cyanacrylate 1.7-2.2 weight portion;
Zinc oxide 5-7 weight portion;
Stearic acid 1.5-2.0 weight portion;
Release agent A-163.0-4.0 weight portion.
2. four co-extrusions of adaptation according to claim 1 connect sulphur unit insulation semiconductive shieldin material, it is characterized in that, also bagDraw together
Anti-aging agent RD 1.5-2.0 weight portion;
Paraffin 2.5-3.0 weight portion.
3. four co-extrusions of adaptation according to claim 1 connect sulphur unit insulation semiconductive shieldin material, it is characterized in that, described inDioctyl phthalate is 41-43 weight portion.
4. four co-extrusions of adaptation according to claim 1 connect sulphur unit insulation semiconductive shieldin material, it is characterized in that, described inCumyl peroxide is 3.3-3.5 weight portion.
5. four co-extrusions of adaptation according to claim 1 connect sulphur unit insulation semiconductive shieldin material, it is characterized in that, described inCyanacrylate is 2.0-2.2 weight portion.
6. four co-extrusions of adaptation according to claim 1 connect sulphur unit insulation semiconductive shieldin material, it is characterized in that, described inThe model of conductive black is 40B2, and content is 95-100 mass parts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752054.9A CN103665533B (en) | 2013-12-31 | 2013-12-31 | Adapt to four co-extrusions and connect sulphur unit insulation semiconductive shieldin material |
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| CN201310752054.9A CN103665533B (en) | 2013-12-31 | 2013-12-31 | Adapt to four co-extrusions and connect sulphur unit insulation semiconductive shieldin material |
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| CN103665533A CN103665533A (en) | 2014-03-26 |
| CN103665533B true CN103665533B (en) | 2016-05-04 |
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| CN112608550A (en) * | 2020-12-22 | 2021-04-06 | 威海市泓淋电力技术股份有限公司 | Strippable semiconductive shielding irradiation material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101851366A (en) * | 2010-04-29 | 2010-10-06 | 上海科悦高分子材料有限公司 | Strippable shielding material for 35KV-level middle-high voltage cross-linked cable insulating layer as well as preparation method and application thereof |
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| CN101348588A (en) * | 2007-07-19 | 2009-01-21 | 徐凤祥 | Special material for semiconductor strippable shielded cable and manufacturing method thereof |
| CN102382354A (en) * | 2011-08-31 | 2012-03-21 | 泛亚电缆集团有限公司 | Semiconductive shielding material of rubber cable and preparation method thereof |
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| CN101851366A (en) * | 2010-04-29 | 2010-10-06 | 上海科悦高分子材料有限公司 | Strippable shielding material for 35KV-level middle-high voltage cross-linked cable insulating layer as well as preparation method and application thereof |
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