CN101575451B - High dielectric constant silastic used for electric stress control and preparation method and application thereof - Google Patents
High dielectric constant silastic used for electric stress control and preparation method and application thereof Download PDFInfo
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- CN101575451B CN101575451B CN2009101406100A CN200910140610A CN101575451B CN 101575451 B CN101575451 B CN 101575451B CN 2009101406100 A CN2009101406100 A CN 2009101406100A CN 200910140610 A CN200910140610 A CN 200910140610A CN 101575451 B CN101575451 B CN 101575451B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92923—Calibration, after-treatment or cooling zone
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- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a high dielectric constant silastic used for electric stress control and a preparation method and an application thereof. The silastic is prepared by the following components according to parts by weight: 40-70 parts of organopolysiloxane, 1-6 parts of organic hydrogenated polysiloxane, 0.8-3.0 parts of fluorine silicon multipolymer, 10-80 parts of base rubber, catalyst with routine type and routine dosage and inhibitor; the base rubber comprises the following components according to parts by weight: 30-45 parts of fumed silica treated by hydrophobization with organosilicon compound adopted, 25-40 parts of acetylene black and 10-20 parts of BaTiO3. The invention also provides a preparation method of the above silastic, comprising the following steps: each component and one or more of appropriate platinum catalyst, palladium catalyst or rhodium catalyst and/or butynol inhibitor are subjected to blending, refining, filtering and remilling to prepare the silastic. The invention also provides an application of the silastic, namely, the prepared gross rubber is sliced, extruded and formed by vulcanization to prepare the high dielectric constant silicone rubber tube.
Description
Technical field
The present invention relates to a kind of high dielectric constant silastic that is used for electric stress control and its production and application, belong to the cable accessory technical field.
Background technology
Electric power is the important industry that is related to national economy, and electric energy has become indispensable a kind of important energy source in people's work and the life, and a new agenda has also been put in the transmission of electric energy.Self-evident electric cable fitting is the tie cable body, cable is connected with overhead transmission line and each power transformation station equipment, realizes the necessary means of electric energy transmission.In recent years, along with popularizing of development of electric power industry and power cable, the consumption of cable accessory significantly rises, and product innovation continues to bring out, and quality product and suitability improve constantly.
At the shielding cut-off part of cable mid head and the insulation cut-off part of cable end piece, serious distortion takes place in electric field distribution, is extremely uneven distribution, and this electric field distortion is the biggest obstacle of cable accessory safe operation.Current in order to improve the electric field at these positions, make electric field distribution and strength of electric field be in optimum regime, thereby improve reliability of operation and work-ing life, once used the method for wrapped stress cone to solve, but because construction is loaded down with trivial details, geometrical dimension is also bigger, operates very inconvenient.Make the cable reliability service, using electric stress control type material in the manufacturing cable head is a very important selection, and this material is on the basis of not destroying main insulating layer, reaches the effect of disperseing electric stress.
In present stage, because state of the art is limit, the domestic requirement that does not also have suitable electric stress control type material product to satisfy cold-contraction type cable accessory industry, domestic cable accessory enterprise generally adopt the imported raw material compression molding or directly import high dielectric constant silastic pipe come the Development and Production cable accessory.Raising along with the domestic production state of the art, the independent development of cold-contraction type power cable accessory, the corresponding requirements cold-contraction type power silicone rubber sleeve turns to expressing technique from mould pressing process, and the outward appearance of goods is wanted smooth zero defect, dimensional precision is high and expansion easily, and to the industrial scale and the bigger demand of enhancing productivity.
Domestic research to this respect has at present obtained many achievements, but all is to only limit to theoretical investigation or experimental simulation, does not also have sophisticated product to appear at the domestic market and stable on electrical network.Relevant patent roughly has following several:
Chinese patent (CN1276028C) has been reported a kind of conductive silicon rubber composition.Its method be with metal matrix be conductive filler material and spherical silicone rubber particles be tensio-active agent rubber composition.
Chinese patent (CN1865353A) has related to the preparation method of exhausted property polysiloxane rubber composition of high voltage electric and high voltage electrical insulator.Its method is to improve high pressure resistant electrical insulation capability after treatment with aluminium-hydroxide powder commonly used.
Chinese patent (CN101236807) has been announced a kind of high-temperature-resisting silicon rubber and non halogen wire and cable or telescopic making method, and described is to solve the problem that the flame-proof silicon rubber electric wire contains not environmental protection of halogen with add-on type sulfurized silicone rubber tube.
All there is the shortcoming and defect part in used reaction monomers, chemical reaction mechanism, conductivity and specific inductivity performance etc. in above existing patent of lifting aspect many.As the by product that produces with metal environment is polluted, is that conductive filler material uprises cost raising, specific inductivity and conductivity and makes physical and mechanical properties decline or the like with metal matrix.
Summary of the invention
The object of the invention is the deficiency at prior art, provide a kind of be used for electric stress control, the specific inductivity height, have high dielectric constant silastic moderate volume specific resistance, that sticking power is good and mechanical property is good.
Another object of the present invention provides a kind of processing condition gentleness of above-mentioned silicon rubber, the easy to implement and preparation method that promotes.
A further object of the invention provides the application of described high dielectric constant silastic.
The present invention is achieved through the following technical solutions the foregoing invention purpose:
A kind of high dielectric constant silastic that is used for electric stress control is provided, makes by the component of following parts by weight: 40～70 parts of organopolysiloxanes, 3～6 parts of organic hydride polysiloxane, 0.8～3.0 part of fluorine silicon multipolymer, 10～80 parts of sizings; Described sizing is made up of the component of following parts by weight: use silicoorganic compound to carry out 30～45 parts of the fumed silicas that hydrophobization handled, 25～40 parts of Shawinigan blacks, BaTiO
310～20 parts, the catalyzer of conventional kind and conventional amount used, inhibitor.
Described catalyzer is one or more the mixture in platinum class catalyzer, palladium class catalyzer or the rhodium class catalyzer, the preferred butine alcohols of described inhibitor inhibitor.
Can add other conventional auxiliary materials according to concrete needs in the said components of the present invention.
The general structure of described organopolysiloxane is RaSiO
(4a)/2, wherein R is for replacing or unsubstituted univalence hydrocarbyl described substituted hydrocarbon radical such as halo alkyl; A=1～3, a=1.9～2.4 are preferred version, and a=2 is a preferred plan.The preferred organopolysiloxane of the present invention is the organopolysiloxane that on average contains two olefin groups in the molecule at least; Described organopolysiloxane contains the alkenyl of 0.001～10 weight %, and the viscosity under 25 ℃ is 1,000～5,000,000mPas; The position of SiR group can be in an end or the centre of molecular chain in the formula, or the both has.
The general structure of described organic hydride polysiloxane is R '
bH
DSiO
(1-b-c)/2, R ' wherein
bIt is monovalent substituted hydrocarbon radical; B=0.1～1.0; C=0.002～0.02; D=1 or 2.The preferred organic hydride polysiloxane of the present invention is the organic hydride polysiloxane that has 3 hydrogen atoms at least; The position of Si-H group is in an end or the centre of molecular chain, or the both has; The mol ratio Si-H of described Si-H group and Si bonded alkenyl total amount: Si-Vi was at least 1.5: 1.
The consumption preferred concentration of described platinum class catalyzer, palladium class catalyzer or rhodium class catalyzer and/or butynol inhibitor is 0.1～500ppm; Described platinum class catalyzer is selected from the complex compound of reaction product, Platinic chloride and alkene of platinum black, Tetrachloroplatinum, Platinic chloride, Platinic chloride and hydroxyl alcohol or one or more the mixture in the diacetyl platinum acetate.
The specific surface area that described sizing records with the BET method is at 100～400m
2Between/the g, tap density is at 60～300kg/m
3Between, the water content that Ka Er-Fischer moisture determination method is measured is 0.20～0.30 weight %.
Described silicoorganic compound comprise: any one in hexamethyldisilazane, methyl three silazane, tetramethyl divinyl disilazane, trimethylchlorosilane, trimethylammonium dichlorosilane, METHYL TRICHLORO SILANE or the polydimethylsiloxane or two or more mixtures;
Described fluorine silicon multipolymer is an organic poly-molecular polymer fluorine-containing, silicon, monomer whose is under the inducing action of free radical type initiator, can polymerization form polynary segmented copolymer, as the organosilane monomer of double bond containing organic fluorine olefinic monomer, two keys/or organic silica borine polycondensate.
The present invention also provides the preparation method of above-mentioned silicon rubber, specifically be each component with the above-mentioned high dielectric constant silastic that is used to prepare electric stress control through mixing, opening the mixing process of refining, filtration, back mixing, make silicon rubber.The silicon rubber of this moment is rubber unvulcanizate, is unvulcanized silicon rubber.
The described processing condition of opening the refining step are: roller speed ratio 0.5～3.0; The tube spacing is 1～10mm, adopts water cooling mode, and temperature is controlled at 20～60 ℃.
Preparation method's of the present invention principle is: raw material under the katalysis of platinum complex (Pt-Cat.), the vinyl groups Si-CH=CH in containing hydrogen silicone oil Si-H key and the sizing
2The addition reaction of hydrogen silicon takes place, form the elastomerics of three-dimensional net structure, available following reaction formula is represented:
The present invention also provides the described application that is used for the high dielectric constant silastic of electric stress control, be the silicon rubber that will make through cut into slices, extrude, sulfidization molding makes the electric stress control goods that silicone rubber tube is applied to prepare electric utility 10～35KV predilation (prefabricated/cold-contraction type) silicone rubber for cable annex, constitute power delivery networks with cable, guarantee the connection of cable terminal end.Specifically be applied to 10KV outdoor cable terminal, 10KV/35KV stress cone, composite insulator.
Described extrusion step is for extruding continuously, 100～800 ℃ of the described extrusion temperatures of extruding continuously, and extruded velocity 5～80rpm adopts plsitive mold, and concentricity deviation is not more than 0.05～0.30mm.
Described sulfidization molding step is the high-speed vulcanization typing, 100～1000 ℃ of channel temperatures, and sulfuration tow way temperature is 100～400 ℃; Preferred hot-air vulcanization.
The silicone rubber tube parameters that the present invention makes is preferably in following scope:
Size: internal diameter 0.5mm～60mm, wall thickness 0.2mm～10mm, tolerance 0.02mm～2mm;
Performance: hardness, Shao Er A:30～70; Tensile strength, MPa:5.0～8.0; Tear strength, KN/m:25-35; Elongation at break, %:500～800; Setafter break, %:3.0～7.0; Volume specific resistance, Ω cm:10
8～10
12Specific inductivity: 20～30.
Compared with prior art, the present invention has following beneficial effect:
(1) the invention provides a kind of new high dielectric constant silastic, silicon rubber specific inductivity height helps improving the electric field distribution of cable terminal end, and not only volume is little, and easy construction, and dependable performance are technical more reasonable; And can keep medium volume specific resistance, can make along Surface Insulation current potential linearity and divide cloth, reach the purpose of optimizing electric field; Silicon rubber sticking power of the present invention is good, good with the insulation paste adhesiveproperties, and mechanical property is good, have good tensile strength, tear strength, rebound resilience and lower tension set, electric stress of the present invention is controlled the electric field distribution that can improve cable terminal end with high dielectric constant silastic, and not only volume is little, easy construction, and dependable performance, technical more reasonable.
(2) electric stress control of the present invention is particularly suitable for being applied in the electric stress control goods of electric utility 10～35KV predilation (cold-contraction type/prefabricated) silicone rubber for cable annex with the high dielectric constant silastic pipe, constitute power delivery networks with cable, guarantee the connection of cable terminal end.Electric stress control is the very part and parcel in the medium and high voltage cable attachment design.Electric stress control is that the electric field distribution of cable accessory inside and strength of electric field are carried out control, adopts silastic material of the present invention, makes electric field distribution and strength of electric field be in optimum regime, thereby improves cable accessory reliability of operation and work-ing life.
(3) preparation method's technology of described silicon rubber provided by the invention is simple, and the equipment of preparation is conventional equipment, and the processing condition gentleness, and is easy to spread and implement.
Embodiment
Further specify technical scheme of the present invention below by specific embodiment, as do not specialize, the equal weight umber of each umber among the embodiment.
Embodiment 1
Contain 45 parts of silicon-dioxide, 40 parts of acetylene carbon blacks, B
aTiO
380 parts of 17 parts sizings, 40 parts of organopolysiloxanes, 6 parts of organic hydride polysiloxane, 0.8 part of fluorine silicon multipolymer, 0.2 part in softening agent, Pt-Cat. (platinum chromium complex) 0.1 weight part, pigment 0.3 weight part is by mixing uniform mixing, at roller speed ratio 3.0; The tube spacing is 4mm, adopts water cooling mode, and temperature is controlled at 40 ℃.Be 260 ℃ with conventional hot sulfurization extruding forming method in sulfuration tow way temperature then, 680 ℃ of the channel temperatures of high-speed vulcanization typing, extruded velocity 60rpm obtains silicone rubber tube of the present invention.Test its comprehensive physicals: hardness, Shao Er A:41; Tensile strength, Mpa:5.7; Tear strength, KN/m:33; Elongation at break, %:560; Volume specific resistance, Ω cm:1.77 * 10
11Specific inductivity: 21.
Embodiment 2
Contain 40 parts of silicon-dioxide, 25 parts of acetylene carbon blacks and B
aTiO
310 parts of 20 parts sizings, 40 parts of organopolysiloxanes, 1 part of organic hydride polysiloxane, 2 parts of fluorine silicon multipolymers, softening agent 0.2 weight part, stopper 0.2 weight part, Pt-Cat. (platinum chromium complex) 0.1 weight part, pigment 0.2 weight part is by mixing uniform mixing, at roller speed ratio 2.0; The tube spacing is 5mm, adopts water cooling mode, and temperature is controlled at 35 ℃.Be 250 ℃ with conventional hot sulfurization extruding forming method in sulfuration tow way temperature then, 700 ℃ of the channel temperatures of high-speed vulcanization typing, extruded velocity 50rpm obtains product of the present invention.Test its comprehensive physicals: hardness, Shao Er A:34; Tensile strength, Mpa:5.7; Tear strength, KN/m:34; Elongation at break, %:560; Volume specific resistance, Ω cm:1.77 * 10
11Specific inductivity: 21.
Embodiment 3
Contain 30 parts of silicon-dioxide, 30 parts of acetylene carbon blacks and B
aTiO
340 parts of 15 parts sizings, 60 parts of organopolysiloxanes, 3.5 parts of organic hydride polysiloxane, 1.5 parts of fluorine silicon multipolymers, softening agent 0.2 weight part, stopper 0.2 weight part, Pt-Cat. (platinum chromium complex) 0.1 weight part, pigment 0.1 weight part is by mixing uniform mixing, at roller speed ratio 2.0; The tube spacing is 3mm, adopts water cooling mode, and temperature is controlled at 25 ℃.Be 240 ℃ with conventional hot sulfurization extruding forming method in sulfuration tow way temperature then, 300 ℃ of the channel temperatures of high-speed vulcanization typing, extruded velocity 20rpm obtains product of the present invention.Test its comprehensive physicals: hardness, Shao Er A:34; Tensile strength, Mpa:5.7; Tear strength, KN/m:34; Elongation at break, %:560; Volume specific resistance, Ω cm:1.77 * 10
11Specific inductivity: 21.
Embodiment 4
Contain 45 parts of silicon-dioxide, 40 parts of acetylene carbon blacks and B
aTiO
320 parts of 15 parts sizings, 50 parts of organopolysiloxanes, 2.5 parts of organic hydride polysiloxane, 3 parts of fluorine silicon multipolymers, softening agent 0.3 weight part, stopper 0.3 weight part, Pt-Cat. (platinum chromium complex) 0.1 weight part, pigment 0.1 weight part is by mixing uniform mixing, at roller speed ratio 0.5; The tube spacing is 1mm, adopts water cooling mode, and temperature is controlled at 60 ℃.Be 400 ℃ with conventional hot sulfurization extruding forming method in sulfuration tow way temperature then, 1000 ℃ of the channel temperatures of high-speed vulcanization typing, extruded velocity 80rpm obtains product of the present invention.Test its comprehensive physicals: hardness, Shao Er A:34; Tensile strength, Mpa:5.7; Tear strength, KN/m:33; Elongation at break, %:550; Volume specific resistance, Ω cm:1.77 * 10
11Specific inductivity: 21.
Embodiment 5
Contain 45 parts of silicon-dioxide, 40 parts of acetylene carbon blacks, B
aTiO
360 parts of 15 parts sizings, 55 parts of organopolysiloxanes, 4.0 parts of organic hydride polysiloxane, 1.5 parts of fluorine silicon multipolymers, softening agent 0.2 weight part, Pt-Cat. (platinum chromium complex) 0.12 weight part, pigment 0.3 weight part is by mixing uniform mixing, at roller speed ratio 3.0; The tube spacing is 10mm, adopts water cooling mode, and temperature is controlled at 20 ℃.Be 100 ℃ with conventional hot sulfurization extruding forming method in sulfuration tow way temperature then, 100 ℃ of the channel temperatures of high-speed vulcanization typing, extruded velocity 5rpm obtains product of the present invention.Test its comprehensive physicals: hardness, Shao Er A:35; Tensile strength, Mpa:5.6; Tear strength, KN/m:35; Elongation at break, %:560; Volume specific resistance, Ω cm:1.77 * 10
11Specific inductivity: 21.
Embodiment 6
Product that the above embodiment of institute 1 makes and corresponding type product contrast properties such as the table 1 of the WACKER of import firm:
Product that table 1 embodiment 1 makes and foreign same type product performance index comparing result:
| Performance index ① | Standard ② | Wa Ke company 410 | Embodiment 1 |
| Hardness (encouraging A) | ≤45 | 43 | 41 |
| Tensile strength (MPa) | ≥5.0 | 5.5 | 5.7 |
| Elongation at break (%) | ≥500 | 515 | 560 |
| Tear strength (KN/m) | ≥20 | 21.0 | 33 |
| Setafter break (%) | ≤6.0 | ---- | 5.5 |
| Volume specific resistance (Ω .cm) | 10 8-12 | 5.0×10 8 | 1.77×1011 |
| Specific inductivity | 15-30 | 16.0 | 21 |
| Sebific duct expansion tear strength | Better | ---- | Good |
Annotate: 1. domestic do not have performance product of the same type to make comparisons; 2. internal power cable annex enterprise arranges tentative standard.
Claims (6)
1. one kind is used for the high dielectric constant silastic that electric stress is controlled, it is characterized in that making: 40～70 parts of organopolysiloxanes by the component of following parts by weight, 1～6 part of organic hydride polysiloxane, 0.8～3.0 part of fluorine silicon multipolymer, 10～80 parts of sizings, the catalyzer of conventional kind and conventional amount used, inhibitor; Described organopolysiloxane contains the alkenyl of 0.001～10 weight %, and the viscosity under 25 ℃ is 1,000～5,000,000mPas;
Described sizing is made up of the component of following parts by weight: use silicoorganic compound to carry out 30～45 parts of the fumed silicas that hydrophobization handled, 25～40 parts of Shawinigan blacks, BaTiO
310～20 parts;
Described silicoorganic compound are any one or the two or more mixtures in hexamethyldisilazane, methyl three silazane, tetramethyl divinyl disilazane, trimethylchlorosilane, METHYL TRICHLORO SILANE or the polydimethylsiloxane;
Described conventional catalyst is selected from one or more the mixture in platinum class catalyzer, palladium class catalyzer or the rhodium class catalyzer;
Described conventional inhibitor is a butine alcohols inhibitor;
The consumption concentration of described platinum class catalyzer, palladium class catalyzer or rhodium class catalyzer and/or butynol inhibitor is 0.1～500ppm.
2. silicon rubber as claimed in claim 1 is characterized in that described platinum class catalyzer is selected from the complex compound of reaction product, Platinic chloride and alkene of platinum black, Tetrachloroplatinum, Platinic chloride, Platinic chloride and hydroxyl alcohol or one or more the mixture in the diacetyl platinum acetate.
3. silicon rubber as claimed in claim 1 is characterized in that described fluorine silicon multipolymer is selected from organosilane monomer or organic silica borine polycondensate of double bond containing organic fluorine olefinic monomer, two keys.
4. the preparation method of the described silicon rubber of claim 1 is characterized in that each component is made silicon rubber with catalyzer, inhibitor after mixing, open refining, filtration, back mixing.
5. preparation method as claimed in claim 4 is characterized in that:
The described processing condition of opening the refining step are: roller speed ratio 0.5～3.0; The tube spacing is 1～10mm, adopts water cooling mode, and temperature is controlled at 20～60 ℃.
6. the described application that is used for the high dielectric constant silastic of electric stress control of a claim 1, it is characterized in that be the silicon rubber that will make through cut into slices, extrude, sulfidization molding makes the electric stress that silicone rubber tube is applied to prepare electric utility 10～35KV predilation silicone rubber for cable annex and controls goods;
Described extrusion step is for extruding the described extruded velocity 5～80rpm that extrudes continuously continuously;
Described sulfidization molding step is the high-speed vulcanization typing, 100～1000 ℃ of channel temperatures, and sulfuration tow way temperature is 100～400 ℃.
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| CN103370377B (en) * | 2010-12-14 | 2019-01-15 | 卡博特公司 | The method of resistivity in control filler-polymer composition and relative product |
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| CN104830072A (en) * | 2015-04-24 | 2015-08-12 | 北京化工大学 | Fluorinated silicone rubber dielectric elastomer composite material and preparation method thereof |
| CN105038248A (en) * | 2015-08-28 | 2015-11-11 | 深圳科创新源工业材料有限公司 | Waterproof clay sealant with high dielectric constant and technological method of waterproof clay sealant |
| CN106497064A (en) * | 2016-10-25 | 2017-03-15 | 华蓥市高科德电子科技有限公司 | A kind of high-dielectric constant inorganic/dimethyl silicone polymer composite and flexible material and preparation method and application |
| CN110746781A (en) * | 2019-11-15 | 2020-02-04 | 苏州市博尔冷热缩材料有限公司 | Stress control tube and preparation method thereof |
| CN113122005A (en) * | 2021-05-20 | 2021-07-16 | 苏州小草电子科技有限公司 | High-dielectric-constant silica gel and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0579494A1 (en) * | 1992-07-16 | 1994-01-19 | Shin-Etsu Chemical Co., Ltd. | Silicone rubber composition with improved fluidity |
| CN1526755A (en) * | 2003-03-06 | 2004-09-08 | 株式会社藤仓 | Rubber composition with high dielectric constant and electric cable member |
| WO2008002532A1 (en) * | 2006-06-26 | 2008-01-03 | Dow Corning Corporation | Preparation of silicone rubber elastomers |
| CN101245188A (en) * | 2007-02-15 | 2008-08-20 | 瓦克化学股份公司 | Addition-crosslinkable silicone compositions with low coefficients of friction |
-
2009
- 2009-06-04 CN CN2009101406100A patent/CN101575451B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0579494A1 (en) * | 1992-07-16 | 1994-01-19 | Shin-Etsu Chemical Co., Ltd. | Silicone rubber composition with improved fluidity |
| CN1526755A (en) * | 2003-03-06 | 2004-09-08 | 株式会社藤仓 | Rubber composition with high dielectric constant and electric cable member |
| WO2008002532A1 (en) * | 2006-06-26 | 2008-01-03 | Dow Corning Corporation | Preparation of silicone rubber elastomers |
| CN101245188A (en) * | 2007-02-15 | 2008-08-20 | 瓦克化学股份公司 | Addition-crosslinkable silicone compositions with low coefficients of friction |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-235256A 2004.08.19 |
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| CN101575451A (en) | 2009-11-11 |
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