CN103497289A - Material for non-excavation type cable protection pipe and cable protection pipe - Google Patents
Material for non-excavation type cable protection pipe and cable protection pipe Download PDFInfo
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- CN103497289A CN103497289A CN201310455038.3A CN201310455038A CN103497289A CN 103497289 A CN103497289 A CN 103497289A CN 201310455038 A CN201310455038 A CN 201310455038A CN 103497289 A CN103497289 A CN 103497289A
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Abstract
The invention relates to a material for a non-excavation type cable protection pipe and a cable protection pipe, wherein the material is formed by mainly compounding modified polypropylene (MPP) and LDPE (low-density polyethylene), the modified polypropylene is a polypropylene reclaimed material, and the material comprises the following components in percentage by weight: 75-85 percent of MPP, 10-15 percent of LDPE, 0.1-1 percent of initiator, 0.5-6 percent of accessory ingredient, 0.1-0.5 percent of antioxidant and 1.5-2.5 percent of color masterbatch. Compared with the traditional MPP material for the cable protection pipe, the material for the non-excavation type cable protection pipe has the characteristics of good rigid-flexible combination property, low raw material cost and good market application prospect.
Description
Technical field
The non-digging type cable protection pipe that the present invention relates to the effective material of a kind of non-digging type cable protection and formed by it.
Background technology
Along with the introduction of trenchless technology, each big city adopts underground trenchless technology to lay plastic cable pipe transferring electric power in a large number at present, and demand increases severely.Non-digging 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, with respect to the PE pipe, the cost value of MPP pipe is higher.In process of production, how to keep existing MPP to manage on the basis of performance, further reducing costs is mission critical.
Summary of the invention
The purpose of this invention is to provide the effective material of non-digging type cable protection that a kind of hard and soft high comprehensive performance and raw materials cost are cheap and the protective tube of formation.
The invention provides the effective material of a kind of non-digging type cable protection, its constitutive material comprises by weight percentage:
Preferably, in the raw material of above-mentioned materials:
Preferably, the effective material of non-digging type cable protection is made through premix thermalization extruding pelletization by above-mentioned raw materials.
Preferably, the effective material of non-digging type cable protection, by above-mentioned raw materials through (1) premix: by modified polypropene, Low Density Polyethylene and colour batch 1000～1500 rev/mins of lower high-speed mixing 3 minutes, then add initiator, auxiliary agent, oxidation inhibitor, continue high-speed mixing and within 3 minutes, obtain Preblend; And (2) thermalization extruding pelletization: Preblend is fed in twin screw extruder, preheating 15 minutes, wherein the screw zones temperature is 120～200 ℃.
The present invention also provides a kind of non-digging type cable protection pipe, and it is made by above-mentioned materials.
The present invention has following effect:
1. the modified polypropene of this material selection (MPP) is polypropylene (PP) reworked material, meets national environment-protective circulating Industry Development Policy, economize on resources, and environmental protection and energy saving.
2. add initiator and auxiliary agent in this material, improve the consistency of MPP and Low Density Polyethylene (LDPE) by grafting, the reaction such as crosslinked.
3. the LDPE added in this material, made up the defect of the low and poor toughness of PP reworked material elongation at break.
4. with the traditional cable protective tube, with the MPP material, compare, this material has good hard and soft over-all properties.
5. on production cost, with the traditional cable protective tube, with the MPP material, compare, 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 non-digging type cable protection
(1) take raw material by following weight ratio:
MPP is the PP reworked material, and the trade mark is 3015G, by Shanghai Hong Su trade Co., Ltd, is produced;
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 be for No. CAS of antioxidant 1010: 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 rev/mins of lower high-speed mixing 3 minutes, then add initiator, auxiliary agent, oxidation inhibitor, continue high-speed mixing and within 3 minutes, obtain Preblend.
(3) Preblend is fed in twin screw extruder, preheating 15 minutes, wherein the screw zones temperature is 120～200 ℃, extruding pelletization can make the effective material of non-digging type cable protection.
Embodiment 2:
The preparation of the effective material of non-digging 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 are identical with embodiment 1.
Embodiment 3:
The preparation of the effective material of non-digging 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 are identical with embodiment 1.
Above-described embodiment 1-3 obtains the performance of material in Table 1.
As known from Table 1, with the PP reworked material, with the traditional cable protective tube, with the MPP material, compare, the effective material of non-digging type cable protection prepared by the present invention has good hard and soft over-all properties.
Tensile strength and elongation at break listed in table 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
Because the final purpose of material of the present invention is to make cheap high-quality cable protection pipe; therefore the protective tube performance that need to make various materials compares test; 4 kinds of materials (except the PP reworked material) that table 1 is listed are processed into respectively non-digging type cable protection pipe (Ф 180*12mm); 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, the property indices of embodiment 1,2,3 obtained tubing all meets the technical requirements of Jiangsu Province's cable protection pipe tender year file, and compares and reduced production cost with traditional MPP cable protection pipe, has good market outlook.
Table 2 pipe performance
Claims (9)
1. the effective material of non-digging type cable protection, its constitutive material comprises by weight percentage:
And wherein modified polypropene used is polypropene recycled materials.
2. material as claimed in claim 1, wherein
3. material according to claim 1 and 2, wherein said modified polypropene melting exponential distribution is in 0.3g/10min～1.5g/10min scope, and its trade mark is 3015G.
4. according to the described material of claim 1 or 2, the trade mark of wherein said Low Density Polyethylene is 2102TX00 or 2420H.
5. material according to claim 1 and 2, wherein:
Described initiator is dicumyl peroxide; And/or
Described auxiliary agent is vinylbenzene (St), triallyl isocyanate (TAIC) or trimethylolpropane trimethacrylate (TMPTMA).
6. material according to claim 1 and 2, wherein:
Described oxidation inhibitor is antioxidant 1010; And/or
The described colour batch trade mark is E2619.
7. material according to claim 1 and 2, it is made through (1) premix (2) thermalization extruding pelletization by described constitutive material.
8. material according to claim 7, wherein,
(1) premix: modified polypropene, Low Density Polyethylene and colour batch, 1000～1500 rev/mins of lower high-speed mixing 3 minutes, are then added to initiator, auxiliary agent, oxidation inhibitor, continue high-speed mixing and obtain Preblend in 3 minutes; And
(2) thermalization extruding pelletization: Preblend is fed in twin screw extruder, and preheating is extruding pelletization after 15 minutes, and wherein the screw zones temperature is 120～200 ℃.
9. a non-digging type cable protection pipe, it is made by the described material of claim 1～8 any one.
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 |
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| 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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| CN103497289A true CN103497289A (en) | 2014-01-08 |
| CN103497289B 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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Cited By (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 |
| CN104086890A (en) * | 2014-07-11 | 2014-10-08 | 安徽宁国市高新管业有限公司 | High flaming retarding MPP power protecting tube |
| 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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| 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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| 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 |
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Cited By (7)
| 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 |
| CN104086890A (en) * | 2014-07-11 | 2014-10-08 | 安徽宁国市高新管业有限公司 | High flaming retarding MPP power protecting tube |
| 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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| Publication number | Publication date |
|---|---|
| CN103497289B (en) | 2016-01-20 |
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