CN102130432B - Buried high-voltage power cable enhanced corrugated (high frequency bandwidth, HFB) sleeve - Google Patents
Buried high-voltage power cable enhanced corrugated (high frequency bandwidth, HFB) sleeve Download PDFInfo
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- CN102130432B CN102130432B CN 201010044852 CN201010044852A CN102130432B CN 102130432 B CN102130432 B CN 102130432B CN 201010044852 CN201010044852 CN 201010044852 CN 201010044852 A CN201010044852 A CN 201010044852A CN 102130432 B CN102130432 B CN 102130432B
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Abstract
The invention discloses a buried high-voltage power cable enhanced ripple corrugated (high frequency bandwidth, HFB) sleeve, which is prepared by the following steps of: adding a proper amount of additives, such as organic rectorite, an impact modifier (polyolefin elastomer, POE), a compatilizer, a lubricant, a toner and the like into polypropylene resin and surface-treated talcpowder serving as main raw materials, and preparing a modified polypropylene material through melt blending modification and a granulation technology; and preparing the sleeve from the modified polypropylene material serving as the raw material through a corrugated extrusion technology. The buried high-voltage power cable enhanced ripple corrugated (HFB) sleeve disclosed by the invention has the characteristics that: the ring stiffness is high, the low-temperature impact strength is high, the inner wall friction coefficient is small, the weight is light, the environment-friendly performance, high temperature resistance, connection and waterproof sealing performance are good, the sleeve can be coiled and stacked, the construction is convenient and quick and the like.
Description
Technical field
The present invention relates to a kind of buried high voltage power cable sleeve pipe, particularly a kind of buried high voltage power cable strengthens ripple (HFB) cover.
Background technology
Known buried high voltage power cable sleeve pipe adopts glass reinforced plastic sleeve, the real wall sleeve pipe of CPVC usually at present, and this class sleeve pipe exists low temperature impact strength on the low side in actual application, connects and the waterproof sealing poor-performing shortcomings such as flexible deficiency.
Summary of the invention
The objective of the invention is to propose that a kind of flexibility is good, intensity high and low temperature impact property is good, the buried high voltage power cable of connection and waterproof sealing function admirable strengthens ripple (HFB) sleeve pipe.
The technical solution adopted in the present invention is: adopting with acrylic resin and surface treated talcum powder is primary raw material, add additives such as an amount of rectorite that organises, impact modifier (POE), compatilizer, lubricant, toner, become modified polypropylene material by the melt blending modification with prepared by granulating process.Be raw material again with the modified polypropylene material, adopt the ripple expressing technique to make buried high voltage power cable and strengthen ripple (HFB) sleeve pipe.Modified polypropylene material production technology prescription is:
| Title material | Weight ratio (%) |
| Polypropylene (powder) | 59-75 |
| Surface treated talcum powder | 20-30 |
| Rectorite organises | 1-3 |
| Impact modifier (POE) | 1-3 |
| Compatilizer (maleic anhydride graft PP) | 0.5-1.5 |
| Lubricant | 0.5-1.5 |
| Toner | 1-2 |
Because the rectorite that organises that adopts is a kind of crystal special construction, alternately pile up the regular interbed clay mineral of forming by dioctahedron paragonite elementary layer and dioctahedron ca-montmorillonite elementary layer with 1: 1 rule.Contain Ca between montmorillonite layer
2+, Mg
2+, K
+And Na
+Etc. the interchangeability cation, wherein with Ca
2+Be main, account for 50% of cation total amount.This special construction of rectorite not only makes its similar montmorillonite, have very strong adsorption capacity and cation exchange capacity (CEC), pass through ion-exchange reactions, can make organic cation be inserted into the rectorite interlayer, make interlayer structure and character that corresponding the variation be taken place, strengthen with the compatibility of high polymer, thermal stability and the high temperature resistant processing characteristics of similar mica arranged again, cause this modified polypropylene material to have good anti-wear performance and ageing-resistant performance and heat resistance.Employing as filler, is conducive to improve the heat resistance of ring stiffness and the product of product through melt and dissolved blend surface-treated talcum powder.In acrylic resin, add polyolefin elastomer (POE) as impact modifier, can play cooperative effect with the rectorite that organises, can improve the toughness of product effectively.The bellows-shaped of pipeline outer wall is the square structure, and in work progress, cable is that point contacts with inner-walls of duct, has lower frictional force.For this reason; the buried high voltage power cable of the present invention strengthens ripple (HFB) sleeve pipe, and to have a ring stiffness high and low temperature little, in light weight towards intensity height, inwall coefficient of friction; environmental-protecting performance, resistance to elevated temperatures, ageing-resistant performance, anti-wear performance, connection, waterproof sealing function admirable; can coil stacking; characteristics such as it is convenient to construct are excellent power engineering electrical cable protection sleeves.
Describe the present invention below in conjunction with embodiment.
Specific embodiments
A kind of technical scheme of the present invention is: by weight organise with 63% acrylic resin, 28% surface treated talcum powder, 3% rectorite, 3% impact modifier (POE), 1% compatilizer, 1% lubricant, 1% toner, become modified polypropylene material by the melt blending modification with prepared by granulating process.Be raw material again with the modified polypropylene material, adopt the ripple expressing technique to make buried high voltage power cable and strengthen ripple (HFB) sleeve pipe that the bellows-shaped of pipeline outer wall is the square structure, can coil stacking.
Claims (1)
1. a buried high voltage power cable strengthens ripple (HFB) sleeve pipe, it is characterized in that adopting with acrylic resin and surface treated talcum powder is primary raw material, add an amount of rectorite that organises, POE impact modifier, compatilizer, lubricant, toner, become modified polypropylene material by the melt blending modification with prepared by granulating process; Be raw material again with the modified polypropylene material, adopt the ripple expressing technique to make; Its raw material proportioning (weight ratio) is: polypropylene powder 59-75%, surface treated talcum powder 20-30%, the rectorite 1-3% that organises, POE impact modifier 1-3%, compatilizer 0.5-1.5%, lubricant 0.5-1.5%, toner 1-2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010044852 CN102130432B (en) | 2010-01-20 | 2010-01-20 | Buried high-voltage power cable enhanced corrugated (high frequency bandwidth, HFB) sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010044852 CN102130432B (en) | 2010-01-20 | 2010-01-20 | Buried high-voltage power cable enhanced corrugated (high frequency bandwidth, HFB) sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102130432A CN102130432A (en) | 2011-07-20 |
| CN102130432B true CN102130432B (en) | 2013-09-04 |
Family
ID=44268377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010044852 Active CN102130432B (en) | 2010-01-20 | 2010-01-20 | Buried high-voltage power cable enhanced corrugated (high frequency bandwidth, HFB) sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102130432B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964680A (en) * | 2012-11-12 | 2013-03-13 | 广东威立瑞科技有限公司 | Formula of modified polypropylene corrugated pipe for electric power |
| CN104515634B (en) * | 2013-09-27 | 2016-11-16 | 纳米新能源（唐山）有限责任公司 | A kind of based on material modified friction pressure induction cable and preparation method thereof |
| CN104065005A (en) * | 2014-06-14 | 2014-09-24 | 贵州环瑞科技有限公司 | Connecting structure and manufacturing method of composite polypropylene GHFB square high-voltage cable |
| CN106084339A (en) * | 2016-06-13 | 2016-11-09 | 芜湖卓越线束系统有限公司 | A kind of wire harness oil resistant, sheath heat-resisting, ageing-resistant and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1209389A (en) * | 1997-05-26 | 1999-03-03 | 东拓工业株式会社 | Synthetic resin tube and extruding device for mfg. of same |
-
2010
- 2010-01-20 CN CN 201010044852 patent/CN102130432B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1209389A (en) * | 1997-05-26 | 1999-03-03 | 东拓工业株式会社 | Synthetic resin tube and extruding device for mfg. of same |
Non-Patent Citations (4)
| Title |
|---|
| 有机累托面/聚烯烃弹性体协同增韧补强聚丙烯的研究;马晓燕等;《西北工业大学学报》;20031031;第21卷(第5期);p632-634 * |
| 王娟娟等.聚丙烯共混改性研究进展.《塑料科技》.2003,(第2期),p52-56. |
| 聚丙烯共混改性研究进展;王娟娟等;《塑料科技》;20030430(第2期);p52-56 * |
| 马晓燕等.有机累托面/聚烯烃弹性体协同增韧补强聚丙烯的研究.《西北工业大学学报》.2003,第21卷(第5期),p632-634. |
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| Publication number | Publication date |
|---|---|
| CN102130432A (en) | 2011-07-20 |
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| DD01 | Delivery of document by public notice |
Addressee: Ye Yan Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Buried high voltage power cable reinforced corrugated (HFB) sleeve Effective date of registration: 20220512 Granted publication date: 20130904 Pledgee: Bank of Communications Ltd. Fujian branch Pledgor: FUJIAN HOSHING PLASTICS Co.,Ltd. Registration number: Y2022350000051 |