CN103467818A - Water tree-resistant polyethylene insulated cable material and preparation method thereof - Google Patents
Water tree-resistant polyethylene insulated cable material and preparation method thereof Download PDFInfo
- Publication number
- CN103467818A CN103467818A CN2013103755738A CN201310375573A CN103467818A CN 103467818 A CN103467818 A CN 103467818A CN 2013103755738 A CN2013103755738 A CN 2013103755738A CN 201310375573 A CN201310375573 A CN 201310375573A CN 103467818 A CN103467818 A CN 103467818A
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- maleic anhydride
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- cable
- water tree
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Classifications
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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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
-
- 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
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a water tree-resistant polyethylene insulated cable material and a preparation method thereof. The cable material is prepared by the following raw materials in parts by weight: 70-80 parts of low-density polyethylene, 10-15 parts of maleic anhydride grafted EVA (ethylene vinyl acetute), 5-10 parts of maleic anhydride grafted POE (polyolefin elastomer), 0.5-1.5 parts of sorbitol, 2-3 parts of polyethylene glycol, 2-3 parts of dicumyl peroxide, 0.4-0.6 parts of antioxidant DLTP (dilauryl thiodipropionate), 3-4 parts of triallyl isocyanurate, 2-3 parts of polydimethylsiloxane and the like. According to the cable material and the method, maleic anhydride grafted EVA and maleic anhydride grafted POE with good compatibility with low-density polyethylene are added to improve a polyethene structure, and sorbitol, polyethylene glycol, polydimethylsiloxane and the like are added to inhibit water tree formation, so that the water tree aging resistance and physical and mechanical properties of the polyethylene cable material are improved obviously; a technical bottle neck of water tree growth of the cable insulation layer is solved; the service life of a cable is prolonged; and the cable safety during use is improved.
Description
Technical field
The present invention relates to a kind of CABLE MATERIALS and preparation method thereof, be specifically related to a kind of water resistant tree polyethylene insulated cable material and preparation method thereof.
Background technology
The electric property that Polyethylene insulated cable is excellent with it and transmission capacity are large, good heat resistance, be easy to the advantages such as bending, attachment tab is simple, mounting and installation is convenient, become the main flow of power cable, but because the effect that constantly is subject to electricity, heat, the factor such as wet, mechanical, chemical will occur aging, water-treeing phenomenon particularly, greatly affect the Polyethylene insulated cable long term reliability, made the cable aging time of entering in advance, thereby buried major hidden danger for the safe operation of electrical network.
Summary of the invention
The object of the present invention is to provide a kind of water resistant tree polyethylene insulated cable material and preparation method thereof, improve the water resistant tree aging performance of poly-ethylene cable material, extend the work-ing life of cable, the security that improves cable in use procedure.
The technical solution used in the present invention is as follows:
A kind of water resistant tree polyethylene insulated cable material, its raw material by following weight part is made: Low Density Polyethylene 70-80, maleic anhydride graft EVA10-15, maleic anhydride graft POE5-10, Sorbitol Powder 0.5-1.5, polyoxyethylene glycol 2-3, dicumyl peroxide 2-3, anti-oxidant DLTP 0.4-0.6, triallylcyanurate 3-4, lead sulfate tribasic 1-2, polydimethylsiloxane 2-3, magnesium oxide 1-3, stearic acid 2-4, organobentonite 10-15, calcium sulfate crystal whiskers 8-12, semi-reinforcing carbon black N77015-20, compounded mix 5-10, diisobutyl phthalate 6-12, N-cyclohexyl sulfo-phthalic imidine 1-2, antioxidant D DM2-3, Vulcanization accelerator TMTD 1-2, vulkacit D PTT2-3,
The preparation method of described compounded mix is as follows: a. takes off the raw material of row weight part: fluorite 10-15, rhombspar 5-10, vinylformic acid 10-15, jade powder 8-12, ammonium persulphate 0.1-0.2, urotropine 0.5-1, volcanic ash 3-6, aluminium hydroxide 4-8, barium sulfate crystal whisker 3-5, calcium stearate 2-3, mullite 5-10, ptfe micropowder 4-7, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 2-3; B, fluorite, rhombspar are calcined under 510-540 ℃ to 3-6 hour, mix with mullite, volcanic ash after being cooled to room temperature, pulverized the 400-500 mesh sieve, then add appropriate water making beating to make the slurries that concentration is 45-55%, add again urotropine, ultrasonic dispersion 20-30 minute, then heating in water bath, to 70-80 ℃, adds vinylformic acid, jade powder and ammonium persulphate under nitrogen protection, stirring reaction 3-4h, filter, washing, dry; C, the powder after drying mix with all the other raw materials, 2000-3000rpm high-speed stirring 5-10 minute and get final product.
The preparation method of water resistant tree polyethylene insulated cable material, its concrete steps are as follows: press formula rate Low Density Polyethylene, maleic anhydride graft EVA, maleic anhydride graft POE, Vanay, Sorbitol Powder, polyoxyethylene glycol, polydimethylsiloxane, dicumyl peroxide, anti-oxidant DLTP, triallylcyanurate, compounded mix are dropped into to mill, mixing 4-6min under 70-80 ℃; Add again lead sulfate tribasic, magnesium oxide, stearic acid, organobentonite, calcium sulfate crystal whiskers, semi-reinforcing carbon black and diisobutyl phthalate, mixing 5-8min, finally add all the other raw materials, mixing 3-4min, after thin-pass 7-9 time, the extruder plastication granulation, the extrusion temperature of extruding machine is 170-190 ℃, be cooled to normal temperature, packing is finished product.
Beneficial effect of the present invention:
The present invention improves poly structure and adds the formation that Sorbitol Powder, polyoxyethylene glycol, polydimethylsiloxane etc. suppress the water tree by adding maleic anhydride graft EVA, the maleic anhydride graft POE good with the Low Density Polyethylene consistency, thereby obviously improve water resistant tree aging and the physical and mechanical properties of poly-ethylene cable material, solved this technical bottleneck of growth of cable insulation self water tree, extend the work-ing life of cable, improve the security of cable in use procedure.
Embodiment
A kind of water resistant tree polyethylene insulated cable material, its raw material by following weight (kg) is made: Low Density Polyethylene 80, maleic anhydride graft EVA12 maleic anhydride graft POE8, Sorbitol Powder 1, polyoxyethylene glycol 2, dicumyl peroxide 2, anti-oxidant DLTP 0.5, triallylcyanurate 3, lead sulfate tribasic 1.5, polydimethylsiloxane 3, magnesium oxide 2, stearic acid 3, organobentonite 10, calcium sulfate crystal whiskers 10, semi-reinforcing carbon black N77018, compounded mix 6, diisobutyl phthalate 8, N-cyclohexyl sulfo-phthalic imidine 1.5, antioxidant D DM2, Vulcanization accelerator TMTD 1, vulkacit D PTT2,
The preparation method of described compounded mix is as follows: a. takes off the raw material of column weight amount (kg): fluorite 10, rhombspar 10, vinylformic acid 12, jade powder 10, ammonium persulphate 0.15, urotropine 0.8, volcanic ash 4, aluminium hydroxide 6, barium sulfate crystal whisker 4, calcium stearate 2, mullite 8, ptfe micropowder 6, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 2; B, fluorite, rhombspar are calcined 3 hours under 540 ℃, mix with mullite, volcanic ash after being cooled to room temperature, pulverized 400 mesh sieves, then add appropriate water making beating to make the slurries that concentration is 50%, add again urotropine, ultrasonic dispersion 20 minutes, then heating in water bath to 80 ℃, add vinylformic acid, jade powder and ammonium persulphate under nitrogen protection, stirring reaction 3h, filter, washing, dry; C, the powder after drying mix with all the other raw materials, 3000rpm high-speed stirring 7 minutes and get final product.
The preparation method of water resistant tree polyethylene insulated cable material, its concrete steps are as follows: press formula rate Low Density Polyethylene, maleic anhydride graft EVA, maleic anhydride graft POE, Vanay, Sorbitol Powder, polyoxyethylene glycol, polydimethylsiloxane, dicumyl peroxide, anti-oxidant DLTP, triallylcyanurate, compounded mix are dropped into to mill, mixing 5min under 75 ℃; Add again lead sulfate tribasic, magnesium oxide, stearic acid, organobentonite, calcium sulfate crystal whiskers, semi-reinforcing carbon black and diisobutyl phthalate, mixing 6min, finally add all the other raw materials, mixing 4min, after thin-pass 8 times, the extruder plastication granulation, the extrusion temperature of extruding machine is 170-190 ℃, be cooled to normal temperature, packing is finished product.
The performance test results of the CABLE MATERIALS made is as follows:
Claims (2)
1. a water resistant is set polyethylene insulated cable material, it is characterized in that, raw material by following weight part is made: Low Density Polyethylene 70-80, maleic anhydride graft EVA 10-15, maleic anhydride graft POE 5-10, Sorbitol Powder 0.5-1.5, polyoxyethylene glycol 2-3, dicumyl peroxide 2-3, anti-oxidant DLTP 0.4-0.6, triallylcyanurate 3-4, lead sulfate tribasic 1-2, polydimethylsiloxane 2-3, magnesium oxide 1-3, stearic acid 2-4, organobentonite 10-15, calcium sulfate crystal whiskers 8-12, semi-reinforcing carbon black N770 15-20, compounded mix 5-10, diisobutyl phthalate 6-12, N-cyclohexyl sulfo-phthalic imidine 1-2, antioxidant D DM 2-3, Vulcanization accelerator TMTD 1-2, vulkacit D PTT 2-3,
The preparation method of described compounded mix is as follows: a. takes off the raw material of row weight part: fluorite 10-15, rhombspar 5-10, vinylformic acid 10-15, jade powder 8-12, ammonium persulphate 0.1-0.2, urotropine 0.5-1, volcanic ash 3-6, aluminium hydroxide 4-8, barium sulfate crystal whisker 3-5, calcium stearate 2-3, mullite 5-10, ptfe micropowder 4-7, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 2-3; B, fluorite, rhombspar are calcined under 510-540 ℃ to 3-6 hour, mix with mullite, volcanic ash after being cooled to room temperature, pulverized the 400-500 mesh sieve, then add appropriate water making beating to make the slurries that concentration is 45-55%, add again urotropine, ultrasonic dispersion 20-30 minute, then heating in water bath, to 70-80 ℃, adds vinylformic acid, jade powder and ammonium persulphate under nitrogen protection, stirring reaction 3-4h, filter, washing, dry; C, the powder after drying mix with all the other raw materials, 2000-3000rpm high-speed stirring 5-10 minute and get final product.
2. water resistant as claimed in claim 1 is set the preparation method of polyethylene insulated cable material, it is characterized in that, its concrete steps are as follows: press formula rate Low Density Polyethylene, maleic anhydride graft EVA, maleic anhydride graft POE, Vanay, Sorbitol Powder, polyoxyethylene glycol, polydimethylsiloxane, dicumyl peroxide, anti-oxidant DLTP, triallylcyanurate, compounded mix are dropped into to mill, mixing 4-6min under 70-80 ℃; Add again lead sulfate tribasic, magnesium oxide, stearic acid, organobentonite, calcium sulfate crystal whiskers, semi-reinforcing carbon black and diisobutyl phthalate, mixing 5-8min, finally add all the other raw materials, mixing 3-4min, after thin-pass 7-9 time, the extruder plastication granulation, the extrusion temperature of extruding machine is 170-190 ℃, be cooled to normal temperature, packing is finished product.
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| CN2013103755738A CN103467818A (en) | 2013-08-26 | 2013-08-26 | Water tree-resistant polyethylene insulated cable material and preparation method thereof |
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| CN2013103755738A CN103467818A (en) | 2013-08-26 | 2013-08-26 | Water tree-resistant polyethylene insulated cable material and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881213A (en) * | 2014-03-26 | 2014-06-25 | 马鞍山市佳源环保科技有限公司 | Modified polyethylene cable material and preparation method thereof |
| CN106349552A (en) * | 2016-08-26 | 2017-01-25 | 江苏德威新材料股份有限公司 | Water-tree-retardant semiconductive shielding material and preparation method thereof |
| CN106543527A (en) * | 2016-10-17 | 2017-03-29 | 安徽省绿环电气股份有限公司 | A kind of silane-modified anti-impact resistance twisted polyethylene cable |
| CN110305387A (en) * | 2019-07-12 | 2019-10-08 | 无锡工艺职业技术学院 | A kind of high pressure fire-resistant cable material and preparation method thereof |
| CN111363225A (en) * | 2020-04-02 | 2020-07-03 | 启东纽昇塑胶科技有限公司 | Chemical crosslinking foaming agent master batch and preparation method thereof |
| CN115594921A (en) * | 2022-02-14 | 2023-01-13 | 江苏永顺新材料科技有限公司（Cn） | Aging-resistant and wear-resistant cable and preparation method of insulating layer thereof |
| CN117601456A (en) * | 2024-01-22 | 2024-02-27 | 四川省宜宾普什建材有限责任公司 | Processing technology of large-caliber electric melting type plastic pipe fitting |
| CN117736516A (en) * | 2024-02-07 | 2024-03-22 | 哈尔滨理工大学 | Polypropylene-based insulating material resistant to water tree branch aging and preparation method thereof |
| US11939455B2 (en) | 2018-06-29 | 2024-03-26 | Dow Global Technologies Llc | Polyolefin formulation with poly(2-alkyl-2-oxazoline) |
Citations (3)
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| CN101281799A (en) * | 2008-05-29 | 2008-10-08 | 黄东东 | Water resistance tree medium voltage insulated cable material and cable |
| CN101717542A (en) * | 2009-11-20 | 2010-06-02 | 上海交通大学 | Method for preparing water tree resistant cable insulation material |
| CN103044750A (en) * | 2012-12-28 | 2013-04-17 | 上海至正道化高分子材料有限公司 | Double-modified prepared medium-voltage water-tree-retardant polyethylene insulating material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281799A (en) * | 2008-05-29 | 2008-10-08 | 黄东东 | Water resistance tree medium voltage insulated cable material and cable |
| CN101717542A (en) * | 2009-11-20 | 2010-06-02 | 上海交通大学 | Method for preparing water tree resistant cable insulation material |
| CN103044750A (en) * | 2012-12-28 | 2013-04-17 | 上海至正道化高分子材料有限公司 | Double-modified prepared medium-voltage water-tree-retardant polyethylene insulating material |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881213B (en) * | 2014-03-26 | 2016-05-18 | 马鞍山市佳源环保科技有限公司 | A kind of modified poly ethylene CABLE MATERIALS and preparation method thereof |
| CN103881213A (en) * | 2014-03-26 | 2014-06-25 | 马鞍山市佳源环保科技有限公司 | Modified polyethylene cable material and preparation method thereof |
| CN106349552A (en) * | 2016-08-26 | 2017-01-25 | 江苏德威新材料股份有限公司 | Water-tree-retardant semiconductive shielding material and preparation method thereof |
| CN106349552B (en) * | 2016-08-26 | 2018-03-02 | 江苏德威新材料股份有限公司 | A kind of water resistant tree semi-conductive shielding material and preparation method thereof |
| CN106543527A (en) * | 2016-10-17 | 2017-03-29 | 安徽省绿环电气股份有限公司 | A kind of silane-modified anti-impact resistance twisted polyethylene cable |
| US11939455B2 (en) | 2018-06-29 | 2024-03-26 | Dow Global Technologies Llc | Polyolefin formulation with poly(2-alkyl-2-oxazoline) |
| CN110305387A (en) * | 2019-07-12 | 2019-10-08 | 无锡工艺职业技术学院 | A kind of high pressure fire-resistant cable material and preparation method thereof |
| CN111363225A (en) * | 2020-04-02 | 2020-07-03 | 启东纽昇塑胶科技有限公司 | Chemical crosslinking foaming agent master batch and preparation method thereof |
| CN115594921A (en) * | 2022-02-14 | 2023-01-13 | 江苏永顺新材料科技有限公司（Cn） | Aging-resistant and wear-resistant cable and preparation method of insulating layer thereof |
| CN117601456A (en) * | 2024-01-22 | 2024-02-27 | 四川省宜宾普什建材有限责任公司 | Processing technology of large-caliber electric melting type plastic pipe fitting |
| CN117601456B (en) * | 2024-01-22 | 2024-03-26 | 四川省宜宾普什建材有限责任公司 | Processing technology of large-caliber electric melting type plastic pipe fitting |
| CN117736516A (en) * | 2024-02-07 | 2024-03-22 | 哈尔滨理工大学 | Polypropylene-based insulating material resistant to water tree branch aging and preparation method thereof |
| CN117736516B (en) * | 2024-02-07 | 2024-05-03 | 哈尔滨理工大学 | Polypropylene-based insulating material resistant to water tree branch aging and preparation method thereof |
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