CN105778206B - A kind of softness PE cable protective cover material and preparation method thereof - Google Patents
A kind of softness PE cable protective cover material and preparation method thereof Download PDFInfo
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- CN105778206B CN105778206B CN201410835702.1A CN201410835702A CN105778206B CN 105778206 B CN105778206 B CN 105778206B CN 201410835702 A CN201410835702 A CN 201410835702A CN 105778206 B CN105778206 B CN 105778206B
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Abstract
The present invention provides a kind of soft PE cable protective cover material, includes the component of following parts by weight：100 parts of polyvinyl resin；10-50 parts of flexible modifying agent；0.6-2 parts of lubricant；0.6-1 parts of antioxidant；2-10 parts of anti-UV resistant masterbatch.The present invention still further provides the preparation method of the softness PE cable protective cover material.A kind of soft PE cable protective cover material provided by the invention has good flexibility, the original brittleness of poly-ethylene cable material and unpliancy can effectively be improved, so as to effectively extend the application range of poly-ethylene cable material, its deal in the market is improved.
Description
Technical field
The invention belongs to CABLE MATERIALS technical fields, and in particular to a kind of softness PE cable protective cover material and its preparation side
Method.
Background technology
Mating industry of the wires and cables industry as the power industry of one of pillars of the national economy industry, in national economy
With extremely important effect and status.Poly-ethylene cable material is because of its light weight, mechanical property is good while it is very good also to have
The outstanding properties such as resistance to low temperature, good environmental stress cracking resistance, good processability, outstanding electrical insulation capability
Feature has a very wide range of applications in electric wire field.Poly-ethylene cable material is indispensable important in CABLE MATERIALS
One of component part.
Requirement with people to the further investigation of poly-ethylene cable material and to CABLE MATERIALS performance indicator increasingly improves,
The unmatched situation of actual demand of some and cable caused by the design feature of poly-ethylene cable material itself is gradually referred to
Go out and requires to improve.Especially the characteristics of higher hardness of polyethylene itself, makes the cable cover(ing) prepared by it not soft enough,
It is not easy to carry out being difficult to operate when bending and connector making when carrying out the construction processing of cable, is easy that cable cover(ing) is caused to damage
Lose, cause unnecessary loss, while also increasing the burden of cable construction, to limit its electric wire field into
The expansion and application of one step.Therefore, it is necessary to which targetedly further to PE cable protective cover material improved.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of soft PE cable sheaths
Material and preparation method thereof, it is special modified dose suitable by selecting, to make the soft PE cable protective cover material of preparation have
Good flexibility can be effectively improved flexibility and the flexible of CABLE MATERIALS.
In order to achieve the above objects and other related objects, the present invention provides a kind of soft PE cable protective cover material, including
The component of following parts by weight：
Preferably, the flexible modifying agent can be 10-30 parts；It can be 30-50 parts；It can be 20-40 parts.
Preferably, the lubricant can be 0.6-1 parts；It can be 1-2 parts；It can be 1-1.5 parts.
Preferably, the antioxidant can be 0.6-0.8 parts；It can be 0.8-1 parts；It can be 0.7-0.9 parts.
Preferably, the anti-UV resistant masterbatch can be 2-6 parts；It can be 6-10 parts；It can be 4-8 parts.
Preferably, the polyvinyl resin is arbitrary in high fluidity polyvinyl resin or lazy flow polyvinyl resin
It is a kind of.
More preferably, melt index >=1.5g/10min of the high fluidity polyvinyl resin.
More preferably, melt index≤0.80g/10min of the lazy flow polyvinyl resin.
The melt index is using Melt Flow Rate Measurer, at 190 DEG C of temperature, the test condition of heavy burden 2.16KG
It measures.
Preferably, the flexible modifying agent is speciality polymer fluoropolymer resin.
More preferably, the speciality polymer fluoropolymer resin is selected from ultra-low density polyethylene (VLDPE), ethyl vinyl acetate second
One or more combinations in alkene copolymer (EVA), thermoplastic elastomer (TPE) (TPE) or polyolefin elastomer (POE).
Optimal, the ultra-low density polyethylene (VLDPE), ethylene-vinyl acetate copolymer (EVA), thermoplastic elastic
The hardness of body (TPE) or polyolefin elastomer (POE) is respectively less than 90A (shore A).
Density≤0.915g/cm of the ultra-low density polyethylene (VLDPE)3。
Preferably, any one of the lubricant in calcium stearate or polyethylene wax.
Preferably, it is (anti-to be selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters for the antioxidant
Oxygen agent 1010) or dilauryl thiodipropionate (anti-oxidant DLTP) in any one.
Preferably, the anti-UV resistant masterbatch by weight percentage, including following components：
Carbon black 40-50%；
Carrier 50-60%.
More preferably, the carrier is polyvinyl resin.
Optimal, the polyvinyl resin is arbitrary in high fluidity polyvinyl resin or lazy flow polyvinyl resin
One kind, melt index >=1.5g/10min of the high fluidity polyvinyl resin, the lazy flow polyvinyl resin melt
Melt index≤0.80g/10min.
The carbon black after mixing, obtains the anti-UV resistant masterbatch with carrier.
The present invention further discloses a kind of preparation method of soft PE cable protective cover material, specifically includes following step
Suddenly：
1) each component high-speed mixer is put into according to proportioning to be uniformly mixed；
2) it is put into extruding pelletization in double screw extruder, drying after mixing.
Preferably, in step 1), the mixing temperature of the high-speed mixer is 25-75 DEG C, incorporation time 5-20min.
Preferably, in step 1), the rotating speed of the mixed at high speed is 100-1500rpm.
More preferably, the rotating speed of the mixed at high speed is 500-1000rpm.
Preferably, in step 2), the double screw extruder is feeding extruding pelletization mixed milling type double-screw extruding pelletizing machine.
Preferably, in step 2), the extrusion temperature of the double screw extruder is 145-205 DEG C.
More preferably, in step 2), the temperature setting of the double screw extruder is：145-155 DEG C of feeding section, batch mixing segment
160-185 DEG C, 185-195 DEG C of extruding pelletization section, 195-205 DEG C of head section.
More preferably, in step 2), the extrusion temperature of the double screw extruder is 155-200 DEG C.
Optimal, the temperature setting of the double screw extruder is：155 DEG C of feeding section, 180 DEG C of batch mixing segment, extruding pelletization
190 DEG C of section, 200 DEG C of head section.
Preferably, in step 2), the drying temperature is 60-95 DEG C.
Preferably, in step 2), the drying time is 1-3 hours.
The invention also discloses a kind of soft PE cable protective cover materials to be applied to the purposes in electric wire.
As described above, a kind of soft PE cable protective cover material and preparation method thereof of the present invention, by using extraordinary high
Molecule resin modified, the soft PE cable protective cover material of preparation have good flexibility, can effectively improve polyethylene
The original brittleness of CABLE MATERIALS and unpliancy improve flexibility and the flexible of CABLE MATERIALS, convenient for construction, so as to have
The application range of the extension poly-ethylene cable material of effect, improves its deal in the market.
Specific implementation mode
With reference to specific embodiment, the present invention is further explained, it should be appreciated that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
The experiment material used in following embodiment is as follows：
High fluidity polyvinyl resin, lazy flow polyvinyl resin, ultra-low density polyethylene (VLDPE), one vinegar of ethylene
Sour ethylene copolymer (EVA), thermoplastic elastomer (TPE) (TPE), polyolefin elastomer (POE), calcium stearate, polyethylene wax, antioxygen
Agent 1010, anti-oxidant DLTP, carbon black can pass through market routinely purchase acquisition.
Embodiment 1
In cable material formula, each component title and each component parts by weight proportioning are as follows：
Each component is selected raw material by component according to the proportioning, will weigh accurate resin and auxiliary agent in high-speed mixer
Adequately after mixing, the extruding pelletization in feeding extruding pelletization mixed milling type double-screw extruding pelletizing machine, the double screw extruder
Extrusion temperature be 145-205 DEG C, the temperature setting of the double screw extruder is：145-155 DEG C of feeding section, batch mixing segment 160-
185 DEG C, 185-195 DEG C of extruding pelletization section, 195-205 DEG C of head section.Dry after granulation, the drying temperature is 60-95 DEG C,
The drying time is 1-3 hours, that is, obtains cable pellet.The composition and weight of raw material components are as shown in table 1.
Embodiment 2
In cable material formula, each component title and each component parts by weight proportioning are as follows：
Each component is selected raw material by component according to the proportioning, will weigh accurate resin and auxiliary agent in high-speed mixer
It is sufficiently mixed with 500-1000rpm rotating speeds, the mixing temperature of the high-speed mixer is 50 DEG C, incorporation time 15min.It is feeding
Expect extruding pelletization in extruding pelletization mixed milling type double-screw extruding pelletizing machine, the extrusion temperature of the double screw extruder is 155-
200 DEG C, the temperature setting of the double screw extruder is：155 DEG C of feeding section, 180 DEG C of batch mixing segment, 190 DEG C of extruding pelletization section, machine
200 DEG C of head point.Dry after granulation, the drying temperature is 80 DEG C, and the drying time is 2 hours, that is, obtains cable grain
Material.The composition and weight of raw material components are as shown in table 1.
Embodiment 3
In cable material formula, each component title and each component parts by weight proportioning are as follows：
The techniques such as mixing and extruding pelletization are the same as embodiment 1.The composition and weight of raw material components are as shown in table 1.
Embodiment 4
In cable material formula, each component title and each component parts by weight proportioning are as follows：
The techniques such as mixing and extruding pelletization are the same as embodiment 1.The composition and weight of raw material components are as shown in table 1.
Embodiment 5
In cable material formula, each component title and each component parts by weight proportioning are as follows：
The techniques such as mixing and extruding pelletization are the same as embodiment 1.The composition and weight of raw material components are as shown in table 1.
Embodiment 6
In cable material formula, each component title and each component parts by weight proportioning are as follows：
The techniques such as mixing and extruding pelletization are the same as embodiment 1.The composition and weight of raw material components are as shown in table 1.
Comparative example 1
In cable material formula, each component title and each component parts by weight proportioning are as follows：
100 parts of high fluidity polyvinyl resin (melt index >=1.5g/10min)；
0.6 part of lubricant polyethylene wax；
1 part of antioxidant 1010.
According to above-mentioned same procedure, but flexible modifying agent and anti-UV resistant masterbatch are not added, prepare PE cable
Material, as a comparison case.The techniques such as mixing and extruding pelletization are the same as embodiment 1.The composition and weight of raw material components such as 1 institute of table
Show.
Comparative example 2
In cable material formula, each component title and each component parts by weight proportioning are as follows：
100 parts of lazy flow polyvinyl resin (melt index≤0.80g/10min)；
2 parts of lubricant stearic acid calcium；
0.6 part of anti-oxidant DLTP.
According to above-mentioned same procedure, but flexible modifying agent and anti-UV resistant masterbatch are not added, prepare PE cable
Material, as a comparison case.The techniques such as mixing and extruding pelletization are the same as embodiment 1.The composition and weight of raw material components such as 1 institute of table
Show.
The formula table of PE cable protective cover material in table 1 embodiment 1-6 and comparative example 1-2
Embodiment 7
It will be matched in embodiment 1-6 and comparative example 1-2 and poly-ethylene cable material is made respectively according to relevant criterion progress performance
Test, the correlated performance of prepared CABLE MATERIALS the results are shown in Table 2.
CABLE MATERIALS the performance test results are made in table 2 embodiment 1-6 and comparative example 1-2
By upper table 2 it is found that gathering in softness PE cable protective cover material and comparative example 1-2 obtained in above-described embodiment 1-6
Ethylene cable jacket material is compared, and by selecting suitable modifying agent progress soft modified, the brittleness of cable has obtained obviously
Improvement, have better flexibility and a flexible, at the same the mechanical property of CABLE MATERIALS and electrical property do not occur it is apparent
Decline, ensure that the q&r of product, the preparation of cable cover(ing) is carried out by using improved poly-ethylene cable material,
It can make prepared cable that construction is convenient for lay, reduce labor intensity, improve efficiency, it helps cost-effective and increase
Benefit.
In conclusion a kind of soft PE cable protective cover material obtained has good flexibility in the present invention, so,
The present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (6)
1. a kind of softness PE cable protective cover material, includes the component of following parts by weight：
The polyvinyl resin in high fluidity polyvinyl resin or lazy flow polyvinyl resin any one；
The supple modifier is speciality polymer fluoropolymer resin；The speciality polymer fluoropolymer resin is selected from extremely-low density
One or more combinations in polyethylene, ethylene-vinyl acetate copolymer, thermoplastic elastomer (TPE) or polyolefin elastomer；
Any one of the lubricant in calcium stearate or polyethylene wax；The antioxidant is selected from antioxidant 1010 or anti-
Any one in oxygen agent DLTP；
The anti-UV resistant masterbatch by weight percentage, including following components：
Carbon black 40-50%；
Carrier 50-60%；
Wherein, the carrier is polyvinyl resin.
2. a kind of preparation method of soft PE cable protective cover material as described in right wants 1, specifically includes following steps：
1) each component high-speed mixer is put into according to proportioning to be uniformly mixed；
2) it is put into extruding pelletization in double screw extruder, drying after mixing.
3. a kind of preparation method of soft PE cable protective cover material as claimed in claim 2, which is characterized in that step 1)
In, the mixing temperature of the high-speed mixer is 25-75 DEG C, incorporation time 5-20min；The rotating speed of the mixed at high speed is
100-1500rpm。
4. a kind of preparation method of soft PE cable protective cover material as claimed in claim 2, which is characterized in that step 2)
In, the extrusion temperature of the double screw extruder is 145-205 DEG C.
5. a kind of preparation method of soft PE cable protective cover material as claimed in claim 2, which is characterized in that double spiral shells
The temperature setting of bar extruder is：145-155 DEG C of feeding section, 160-185 DEG C of batch mixing segment, 185-195 DEG C of extruding pelletization section, head
195-205 DEG C of part.
6. a kind of soft PE cable protective cover material as described in claim 1 is applied to the purposes in electric wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835702.1A CN105778206B (en) | 2014-12-23 | 2014-12-23 | A kind of softness PE cable protective cover material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835702.1A CN105778206B (en) | 2014-12-23 | 2014-12-23 | A kind of softness PE cable protective cover material and preparation method thereof |
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| CN105778206A CN105778206A (en) | 2016-07-20 |
| CN105778206B true CN105778206B (en) | 2018-11-09 |
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| CN201410835702.1A Active CN105778206B (en) | 2014-12-23 | 2014-12-23 | A kind of softness PE cable protective cover material and preparation method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018046098A1 (en) * | 2016-09-09 | 2018-03-15 | Leoni Kabel Gmbh | Elongated article with good flexibility and high flame retardancy |
| CN114702741B (en) * | 2022-03-31 | 2023-11-03 | 金发科技股份有限公司 | Low-density polyethylene material and preparation method and application thereof |
| CN115819866A (en) * | 2022-11-28 | 2023-03-21 | 苏州铂玛新材料有限公司 | Polyolefin material and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322773A (en) * | 2001-05-24 | 2001-11-21 | 宁波信高塑化有限公司 | Inorganic nanometer particle modified optical cable protecting casing material and its prepn |
| CN1465615A (en) * | 2002-06-13 | 2004-01-07 | 长春市南关区德源物资经销处 | Polythene protective cover material for communication cable |
| CN103554627A (en) * | 2013-11-18 | 2014-02-05 | 山东科虹线缆科技股份有限公司 | Polyolefin thermoplastic cable insulation material capable of being recycled as well as preparation method thereof |
-
2014
- 2014-12-23 CN CN201410835702.1A patent/CN105778206B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322773A (en) * | 2001-05-24 | 2001-11-21 | 宁波信高塑化有限公司 | Inorganic nanometer particle modified optical cable protecting casing material and its prepn |
| CN1465615A (en) * | 2002-06-13 | 2004-01-07 | 长春市南关区德源物资经销处 | Polythene protective cover material for communication cable |
| CN103554627A (en) * | 2013-11-18 | 2014-02-05 | 山东科虹线缆科技股份有限公司 | Polyolefin thermoplastic cable insulation material capable of being recycled as well as preparation method thereof |
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Address after: 201802 Shanghai City, Jiading District Nanxiang Town Yongle Village No. 271 Patentee after: Shanghai Kaibo cable special material Co., Ltd Address before: 201802 Shanghai City, Jiading District Nanxiang Town Yongle Village No. 271 Patentee before: SHANGHAI KAIBO SPECIAL CABLE FACTORY Co.,Ltd. |