CN103497289B - The effective material of no-dig technique type cable protection and cable protection pipe - Google Patents
The effective material of no-dig technique type cable protection and cable protection pipe Download PDFInfo
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- CN103497289B CN103497289B CN201310455038.3A CN201310455038A CN103497289B CN 103497289 B CN103497289 B CN 103497289B CN 201310455038 A CN201310455038 A CN 201310455038A CN 103497289 B CN103497289 B CN 103497289B
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- dig technique
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Abstract
The present invention relates to the effective material of a kind of no-dig technique type cable protection.This material mainly adopts modified polypropene and Low Density Polyethylene to be composited, and modified polypropene used is polypropene recycled materials.By weight percentage, its material comprises following component, modified polypropene (MPP) 75 ~ 85%, Low Density Polyethylene 10 ~ 15%, initiator 0.1 ~ 1%, auxiliary agent 0.5 ~ 6%, oxidation inhibitor 0.1 ~ 0.5% and colour batch 1.5 ~ 2.5%.With traditional cable protective tube with compared with MPP material, the hard and soft good combination property of the effective material of no-dig technique type cable protection of the present invention, and low raw-material cost, have good market application foreground.
Description
Technical field
The no-dig technique type cable protection pipe that the present invention relates to the effective material of a kind of no-dig technique type cable protection and formed by it.
Background technology
Along with the introduction of trenchless technology, current each big city adopts underground trenchless technology to lay plastic cable pipe transferring electric power in a large number, and demand increases severely.No-dig technique type MPP cable protection pipe occupies larger proportion in the market.The good characteristics such as modified polypropene (MPP) pipe has light weight, hard and soft good combination property, welding strength is high, resistant of high or low temperature is good.But relative to PE pipe, the cost value of MPP pipe is higher.In process of production, how on the basis keeping existing MPP pipe performance, reducing costs further is mission critical.
Summary of the invention
The object of this invention is to provide the effective material of no-dig technique type cable protection of a kind of hard and soft high comprehensive performance and low raw-material cost and the protective tube of formation.
The invention provides the effective material of a kind of no-dig technique type cable protection, its constitutive material comprises by weight percentage:
Preferably, in the raw material of above-mentioned materials:
Preferably, the effective material of no-dig technique type cable protection by above-mentioned raw materials through premix thermalization and extruding pelletization obtain.
Preferably, the effective material of no-dig technique type cable protection, by above-mentioned raw materials through (1) premix: by modified polypropene, Low Density Polyethylene and colour batch 1000 ~ 1500 revs/min of lower high-speed mixing 3 minutes, then add initiator, auxiliary agent, oxidation inhibitor, continue high-speed mixing and obtain Preblend in 3 minutes; And (2) thermalization extruding pelletization: Preblend fed in twin screw extruder, preheating 15 minutes, wherein screw zones temperature is 120 ~ 200 DEG C.
The present invention also provides a kind of no-dig technique type cable protection pipe, and it is made up of above-mentioned materials.
The present invention has following effect:
1. the modified polypropene (MPP) of this material selection is polypropylene (PP) reworked material, meets the environment-protective circulating Industry Development Policy of country, economizes on resources, environmental protection and energy saving.
2. add initiator and auxiliary agent in this material, react by grafting, crosslinked etc. the consistency improving MPP and Low Density Polyethylene (LDPE).
3. the LDPE added in this material, compensate for the defect of the low and poor toughness of PP reworked material elongation at break.
4. with traditional cable protective tube with compared with MPP material, this material has good hard and soft over-all properties.
5. on production cost with traditional cable protective tube with compared with MPP material, this material cost reduces by 5 ~ 15%.
Embodiment
Below by specific embodiment, the invention will be further described.
Embodiment 1:
The preparation of the effective material of no-dig technique type cable protection
(1) raw material is taken by following weight ratio:
MPP is PP reworked material, and the trade mark is 3015G, is produced by Shanghai Hong Su trade Co., Ltd;
The described LDPE trade mark is 2102TX00, producer: husky uncle basis;
Described initiator is dicumyl peroxide;
Auxiliary agent is vinylbenzene (St), as vinyl monomer, provides hydrogen atom, suppresses the degraded of MPP.
Described oxidation inhibitor is antioxidant 1010, and No. CAS of antioxidant 1010 is: 6683-19-8, molecular formula is: C
73h
108o
12, chemistry is by name: four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, brand: BASF (vapour bar ciba);
The described colour batch trade mark is E2619.
(2) by MPP, LDPE and colour batch 1000 ~ 1500 revs/min of lower high-speed mixing 3 minutes, then add initiator, auxiliary agent, oxidation inhibitor, continue high-speed mixing and obtain Preblend in 3 minutes.
(3) feed in twin screw extruder by Preblend, preheating 15 minutes, wherein screw zones temperature is 120 ~ 200 DEG C, extruding pelletization, can obtain the effective material of no-dig technique type cable protection.
Embodiment 2:
The preparation of the effective material of no-dig technique type cable protection
Difference from Example 1 is:
The described LDPE trade mark is 2420H, producer: Maoming Petrochemical;
Auxiliary agent is triallyl isocyanate (TAIC), is polyfunctional monomer, suppresses the degraded of MPP.Premix used and expressing technique identical with embodiment 1.
Embodiment 3:
The preparation of the effective material of no-dig technique type cable protection
Difference from Example 1 is:
The described LDPE trade mark is 2420H, producer: Maoming Petrochemical;
Auxiliary agent is trimethylolpropane trimethacrylate (TMPTMA), is polyfunctional monomer, suppresses the degraded of MPP.Premix used and expressing technique identical with embodiment 1.
Above-described embodiment 1-3 obtains the performance of material in table 1.
As known from Table 1, compare with traditional cable protective tube MPP material with PP reworked material, the effective material of no-dig technique type cable protection prepared by the present invention has good hard and soft over-all properties.
Tensile strength listed in table and elongation at break are tested according to GB/T1040-2006, and flexural strength is tested according to GB/T9341-2000, and notched Izod impact strength is tested according to GB/T1043-2008.
Table 1 material property
Final purpose due to material of the present invention makes cheap high-quality cable protection pipe; therefore the protective tube performance to various material is made is needed to compare test; listed by table 14 kind of material (except PP reworked material) is processed into no-dig technique type cable protection pipe (Ф 180*12mm) respectively; and the performance of these 4 kinds of protective tubes is tested, the results are shown in Table all data of 2(and all measure under identical conditions).
As can be seen from Table 2, obtained by embodiment 1,2,3, the property indices of tubing all meets the technical requirements of Jiangsu Province's cable protection pipe tender year file, and compares with traditional MPP cable protection pipe and reduce production cost, has good market outlook.
Table 2 pipe performance
Claims (5)
1. for a material for no-dig technique type cable protection pipe, it is characterized in that, described material to be extruded through premix thermalization by following raw materials according composition and granulation obtains:
Wherein, in described feedstock composition, each component concentration is by weight percentage;
Described modified polypropene is polypropene recycled materials, and its melting index is 0.3g/10min ~ 1.5g/10min, and its trade mark is 3015G; The Low Density Polyethylene of described Low Density Polyethylene to be the trade mark be 2102TX00 or 2420H; Described initiator is dicumyl peroxide; Described auxiliary agent is vinylbenzene, triallyl isocyanate or trimethylolpropane trimethacrylate.
2. material as claimed in claim 1, it is characterized in that, wherein raw materials used composition is as follows:
Wherein, described oxidation inhibitor is antioxidant 1010; The colour batch of described colour batch to be the trade mark be E2619.
3. material as claimed in claim 1 or 2, it is characterized in that, described material is obtained by the method that key step is following:
(1) premix: by modified polypropene, Low Density Polyethylene and colour batch 1,000 rev/min ~ 1,500 revs/min of lower high-speed mixing 3 minutes, then add initiator, auxiliary agent, oxidation inhibitor, continue high-speed mixing and obtain Preblend in 3 minutes; And
(2) thermalization extruding pelletization: Preblend fed in twin screw extruder, preheating is extruding pelletization after 15 minutes, and wherein screw zones temperature is 120 DEG C ~ 200 DEG C.
4. a no-dig technique type cable protection pipe is made up of the material described in claim 1 or 2.
5. a no-dig technique type cable protection pipe is made up of material according to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310455038.3A CN103497289B (en) | 2013-09-29 | 2013-09-29 | The effective material of no-dig technique type cable protection and cable protection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310455038.3A CN103497289B (en) | 2013-09-29 | 2013-09-29 | The effective material of no-dig technique type cable protection and cable protection pipe |
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| Publication Number | Publication Date |
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| CN103497289A CN103497289A (en) | 2014-01-08 |
| CN103497289B true CN103497289B (en) | 2016-01-20 |
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| CN201310455038.3A Expired - Fee Related CN103497289B (en) | 2013-09-29 | 2013-09-29 | The effective material of no-dig technique type cable protection and cable protection pipe |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878966A (en) * | 2014-03-13 | 2014-06-25 | 苏州科茂电子材料科技有限公司 | Preparation method of insulation body in radio-frequency coaxial cable |
| CN104086890B (en) * | 2014-07-11 | 2016-08-24 | 安徽宁国市高新管业有限公司 | A kind of high fire-retardance MPP electric power protection pipe |
| CN104299698A (en) * | 2014-09-26 | 2015-01-21 | 安徽华峰电缆集团有限公司 | High-flexibility cable protection pipe |
| CN105135075A (en) * | 2015-08-24 | 2015-12-09 | 江苏洁润管业有限公司 | Polyethylene steel belt pipe |
| CN107337849A (en) * | 2017-08-02 | 2017-11-10 | 江苏道勤新材料科技有限公司 | A kind of telecommunication optical fiber insulating materials |
| CN109897208A (en) * | 2019-03-28 | 2019-06-18 | 杭州人通管业有限公司 | A kind of fire-retardant corrosion proof cable protection pipe of drag reduction formula and its preparation process |
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| CN101114764A (en) * | 2006-07-27 | 2008-01-30 | 上海介通管业有限公司 | Modified polypropylene cable protection tube for non-digging direct-buried mode |
| CN101353560A (en) * | 2008-09-11 | 2009-01-28 | 王成人 | Color graft copolymer adhesive using regenerative PP material as partial material and preparation thereof |
| CN102477202A (en) * | 2010-11-23 | 2012-05-30 | 黎明 | Waste polypropylene modified thin-walled corrugated tube and manufacture method thereof |
| CN102516669A (en) * | 2011-11-30 | 2012-06-27 | 广东联塑科技实业有限公司 | Modified polypropylene mixture for non-excavating power cable communication casing pipes and preparation method thereof |
| CN102863692A (en) * | 2012-09-28 | 2013-01-09 | 四川塑金科技有限公司 | Modified regenerated polypropylene (PP) for pipes and pipe fittings and preparation method thereof |
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- 2013-09-29 CN CN201310455038.3A patent/CN103497289B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114764A (en) * | 2006-07-27 | 2008-01-30 | 上海介通管业有限公司 | Modified polypropylene cable protection tube for non-digging direct-buried mode |
| CN101353560A (en) * | 2008-09-11 | 2009-01-28 | 王成人 | Color graft copolymer adhesive using regenerative PP material as partial material and preparation thereof |
| CN102477202A (en) * | 2010-11-23 | 2012-05-30 | 黎明 | Waste polypropylene modified thin-walled corrugated tube and manufacture method thereof |
| CN102516669A (en) * | 2011-11-30 | 2012-06-27 | 广东联塑科技实业有限公司 | Modified polypropylene mixture for non-excavating power cable communication casing pipes and preparation method thereof |
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