CN109627537A - Preparation process for the resistance to electric track resistant jacket material of aerial optical cable creep resistant - Google Patents
Preparation process for the resistance to electric track resistant jacket material of aerial optical cable creep resistant Download PDFInfo
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C08L2207/00—Properties characterising the ingredient of the composition
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Abstract
The present invention discloses a kind of preparation process for the resistance to electric track resistant jacket material of aerial optical cable creep resistant, the preparation process is divided into two links: the first link: Step 1: putting into batch mixer, mixed on low speed blanking in 4 ~ 6 minutes by a certain percentage with first high density polyethylene (HDPE) base-material, nano organic montmorillonite, sepiolite, organosilicon, DCP, 3 ~ 5 parts of zinc oxide, magnesium hydroxide, 1 ~ 2 part of mica powder, 1 ~ 3 part of polyethylene wax, 0.3 ~ 0.5 part of antioxidant for 10 ~ 20 parts of ldpe resin；Step 2: extruder temperature is 165 DEG C to 220 DEG C, screw speed 280rpm using double-screw extruding pelletizing；Step 3: die face blank, water ring is cooling, and sieving obtains particle.The resistance to electric track resistant jacket material of creep resistant of the present invention is able to solve galvanic corrosion phenomenon of the induced voltage greater than cable surface in 12kV or more strong electrical field, and improves material creep-resistant property, reduces the heat-resistant deformation of material.
Description
Technical field
The present invention relates to a kind of preparation processes of the resistance to electric track resistant jacket material of creep resistant, and in particular to the optical cable under a kind of high electric field
With the preparation process of the resistance to electric track resistant jacket material of low deformation.
Background technique
The optical cable protective cover material that the country mainly produces at present is common high density polyethylene (HDPE) protective cover material and the poly- second of middle density
Alkene protective cover material has certain protective effect to optical cable.But in some particular surroundings and on the optical cable of special construction erection, such as
All Dielectric Self-Supporting Aerial Optical Fiber Cable it be then unable to reach requirement.All Dielectric self-support (abbreviation ADSS optical cable) is a kind of complete
Portion is made of dielectric material, itself include necessary support system, can directly hang on the non-metallic optical fiber cables on electric force pole tower, main
It is used for the communicating route of aerial high voltage power transmission system, it can also be used under the aerial laying environment such as the multiple area of thunder and lightning, large span
Communication line.This open air high electric field, electric erosion resistance and creep resistant of the optical cable to work under the conditions of large span to cable jacket
Performance has proposition more rigors, and to the against weather of material, mechanical performance, resistant to environmental cracking performance, UV resistant
Aspect of performance requires more harsh.Domestic protecting sleeve of optical cable currently on the market is unable to satisfy its above-mentioned resistance to electric trace and resists compacted
The high performance requirements of change etc..Therefore, the present invention is mainly to develop a kind of new composite that can overcome above-mentioned technical problem.
Summary of the invention:
The present invention provides a kind of preparation process for the resistance to electric track resistant jacket material of aerial optical cable creep resistant, what this preparation process obtained
The resistance to electric track resistant jacket material of creep resistant is able to solve galvanic corrosion phenomenon of the induced voltage greater than cable surface in 12kV or more strong electrical field, and
The creep resistance of jacket material under large span operating condition.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: one kind is for the resistance to electric trace of aerial optical cable creep resistant
The preparation process of protective cover material, the preparation process are divided into two links:
First link:
Step 1: 10 ~ 20 parts of ldpe resin and first high density polyethylene (HDPE) base-material 20 ~ 30 part, nanometer is organic
2 ~ 6 parts of montmorillonite, 4 ~ 6 parts of sepiolite, 0.8 ~ 1.2 part of organosilicon, DCP0.1 ~ 0.4 part, 3 ~ 5 parts of zinc oxide, magnesium hydroxide 14 ~
20 parts, 1 ~ 2 part of mica powder, 1 ~ 3 part of polyethylene wax, 0.3 ~ 0.5 part of antioxidant put into batch mixer by a certain percentage, mixed on low speed 4 ~
Blanking in 6 minutes；
Step 2: extruder temperature is 165 DEG C to 220 DEG C, screw speed 280rpm using double-screw extruding pelletizing；
Step 3: die face blank, water ring is cooling, and sieving obtains particle；
Second link:
Step 1: the first link is produced resulting particle, 20 ~ 35 parts of second batch high density polyethylene (HDPE) base-material, black masterbatch 5 ~ 8
Part, 0.5 ~ 1.2 part of PPA masterbatch be put in proportion into batch mixer, mixed on low speed blanking in 2 minutes；
Step 2: extruder temperature is 165 DEG C to 220 DEG C, screw speed 320rpm using double-screw extruding pelletizing；
Step 3: die face cutting, cooling, sieving obtains protective cover material；
The black masterbatch is the masterbatch 5 ~ 8 for being 45% as the content of carbon black of sill using ldpe resin LLDPE7042
Part.
Related content in above-mentioned technical proposal is explained as follows:
1. in above scheme, the high-density polyethylene resin and ldpe resin be selected from density be 0.950 ~
0.968g/cm3High density polyethylene (HDPE) and density be 0.915 ~ 0.936 g/cm3 one or more of low density polyethylene (LDPE)
Mixture.
2. in above scheme, the black masterbatch is the black master batch that content of carbon black is 45%.
3. in above scheme, the lubricant is polyethylene wax.
4. in above scheme, the antioxidant is 1010 and 168 and DLTP one or more mixture.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
Preparation process of the present invention for the resistance to electric track resistant jacket material of aerial optical cable creep resistant, use high-density polyethylene resin and
Ldpe resin is that main substrate adds zinc oxide, magnesium hydroxide, mica powder, makes it have good Physical Mechanical
Energy and electrical insulation properties, and the tracking resistance energy of material is improved, material can pass through the resistance to electric trace of the 1A4.5 grade of GB/T6553
Test；By adding 2 ~ 6 parts of nano organic montmorillonite, 4 ~ 6 parts of sepiolite, 0.8 ~ 1.2 part of organosilicon, DCP(peroxidating diisopropyl
Benzene) 0.1 ~ 0.4 part, improve material creep-resistant property, reduce the heat-resistant deformation of material；Again, and logical addition is with low-density
Polyvinyl resin LLDPE7042 is 5 ~ 8 parts of the masterbatch and lubricant that the content of carbon black of sill is 45%, is had using material excellent
Weather resistance, environmental stress cracking resistance, wear-resisting, UV resistant performance and excellent processing performance.It is done using this material
At All Dielectric Self-Supporting Aerial Optical Fiber Cable can be suitable under high voltage electric field (220KV or more) and adverse circumstances, large span
The requirement of the ADSS anti-electric-mark optical cable of construction, the surface for reducing high pressure and thunder and lightning lose wound, extend the service life of optical cable, drop
Low high pressure wiring optical cable cost promotes the application of ADSS optical cable to obtain bigger development.
The present invention will be further described below with reference to examples:
Embodiment 1 ~ 4: a kind of preparation process for the resistance to electric track resistant jacket material of aerial optical cable creep resistant, the preparation process are divided into
Two links:
First link:
Step 1: 10 ~ 20 parts of ldpe resin and first high density polyethylene (HDPE) base-material 20 ~ 30 part, nanometer is organic
2 ~ 6 parts of montmorillonite, 4 ~ 6 parts of sepiolite, 0.8 ~ 1.2 part of organosilicon, DCP0.1 ~ 0.4 part, 3 ~ 5 parts of zinc oxide, magnesium hydroxide 14 ~
20 parts, 1 ~ 2 part of mica powder, 1 ~ 3 part of polyethylene wax, 0.3 ~ 0.5 part of antioxidant put into batch mixer by a certain percentage, mixed on low speed 4 ~
Blanking in 6 minutes；
Step 2: extruder temperature is 165 DEG C to 220 DEG C, screw speed 280rpm using double-screw extruding pelletizing；
Step 3: die face blank, water ring is cooling, and sieving obtains particle；
Second link:
Step 1: the first link is produced resulting particle, 20 ~ 35 parts of second batch high density polyethylene (HDPE) base-material, black masterbatch 5 ~ 8
Part, 0.5 ~ 1.2 part of PPA masterbatch be put in proportion into batch mixer, mixed on low speed blanking in 2 minutes；
Step 2: extruder temperature is 165 DEG C to 220 DEG C, screw speed 320rpm using double-screw extruding pelletizing；
Step 3: die face cutting, cooling, sieving obtains protective cover material；
The black masterbatch is the masterbatch 5 ~ 8 for being 45% as the content of carbon black of sill using ldpe resin LLDPE7042
Part.
Component in preparation process is specific, as shown in table 1:
Table 1
High-density polyethylene resin in embodiment 1 ~ 4 is that Thailand produces HDPE7000F and Qilu Petrochemical produces HDPE6098, low-density
Polyvinyl resin is the mixture that Lanzhou Petrochemical produces DFDA7042 and Shanghai match section LL0220AA and ExxonMobil MPE；
Embodiment sepiolite is aqueous rich magnesium silicate clay；
Antioxidant in embodiment 1 ~ 4 be 1010 (four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters,
The mixture of 168 (three [2.4- di-tert-butyl-phenyl] phosphite esters), DLTP (the double lauryls of thio-2 acid)；
The resistance to electric track resistant jacket material of 1 ~ 4 preparation process of embodiment of the present invention creep resistant obtained is tested, as a result with it is common resistance to
Electric track resistant jacket material is as shown in table 2 compared to the data obtained:
Table 2
To sum up, preparation process of the present invention for the resistance to electric track resistant jacket material of aerial optical cable creep resistant, uses high density polyethylene (HDPE)
Resin and ldpe resin are that main substrate adds zinc oxide, magnesium hydroxide, mica powder, make it have good physics
Mechanical performance and electrical insulation properties, and the tracking resistance energy of material is improved, material can pass through the 1A4.5 grade of GB/T6553
Resistance to electricity trace test；By adding 2 ~ 6 parts of nano organic montmorillonite, 4 ~ 6 parts of sepiolite, 0.8 ~ 1.2 part of organosilicon, DCP(peroxidating
Diisopropylbenzene (DIPB)) 0.1 ~ 0.4 part, improve material creep-resistant property, reduce the heat-resistant deformation of material；Again, and logical addition with
Ldpe resin LLDPE7042 is 5 ~ 8 parts of the masterbatch and lubricant that the content of carbon black of sill is 45%, uses material
Have excellent weather resistance, environmental stress cracking resistance, wear-resisting, UV resistant performance and excellent processing performance.Using this
The All Dielectric Self-Supporting Aerial Optical Fiber Cable that material is made into can be suitable under high voltage electric field (220KV or more) and adverse circumstances,
The requirement of the ADSS anti-electric-mark optical cable of large span construction, the surface for reducing high pressure and thunder and lightning lose wound, extend the use of optical cable
Service life reduces high pressure wiring optical cable cost, and the application of ADSS optical cable is promoted to obtain bigger development.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of preparation process for the resistance to electric track resistant jacket material of aerial optical cable creep resistant, it is characterised in that: the preparation process
It is divided into two links:
First link:
Step 1: 10 ~ 20 parts of ldpe resin and first high density polyethylene (HDPE) base-material 20 ~ 30 part, nanometer is organic
2 ~ 6 parts of montmorillonite, 4 ~ 6 parts of sepiolite, 0.8 ~ 1.2 part of organosilicon, DCP0.1 ~ 0.4 part, 3 ~ 5 parts of zinc oxide, magnesium hydroxide 14 ~
20 parts, 1 ~ 2 part of mica powder, 1 ~ 3 part of polyethylene wax, 0.3 ~ 0.5 part of antioxidant put into batch mixer by a certain percentage, mixed on low speed 4 ~
Blanking in 6 minutes；
Step 2: extruder temperature is 165 DEG C to 220 DEG C, screw speed 280rpm using double-screw extruding pelletizing；
Step 3: die face blank, water ring is cooling, and sieving obtains particle；
Second link:
Step 1: the first link is produced resulting particle, 20 ~ 35 parts of second batch high density polyethylene (HDPE) base-material, black masterbatch 5 ~ 8
Part, 0.5 ~ 1.2 part of PPA masterbatch be put in proportion into batch mixer, mixed on low speed blanking in 2 minutes；
Step 2: extruder temperature is 165 DEG C to 220 DEG C, screw speed 320rpm using double-screw extruding pelletizing；
Step 3: die face cutting, cooling, sieving obtains protective cover material；
The black masterbatch is the masterbatch 5 ~ 8 for being 45% as the content of carbon black of sill using ldpe resin LLDPE7042
Part.
2. the preparation process according to claim 1 for the resistance to electric track resistant jacket material of aerial optical cable creep resistant, feature exist
In: the high-density polyethylene resin and ldpe resin are selected from density as 0.950 ~ 0.968g/cm3High density it is poly-
Ethylene and density are one or more of the low density polyethylene (LDPE) of 0.915 ~ 0.936 g/cm3 mixture.
3. the preparation process of the resistance to electric track resistant jacket material of creep resistant according to claim 1, it is characterised in that: the black masterbatch
The black master batch for being 45% for content of carbon black.
4. the preparation process of the resistance to electric track resistant jacket material of creep resistant according to claim 1, it is characterised in that: the antioxidant is
At least one of antioxidant 1010, irgasfos 168 and DLTP.
5. the preparation process of the resistance to electric track resistant jacket material of creep resistant according to claim 1, it is characterised in that: the lubricant is
Polyethylene wax.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724491A (en) * | 2020-12-29 | 2021-04-30 | 无锡鸿仪新材料科技有限公司 | Anti-electric-mark polyethylene sheath material and preparation method thereof |
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| KR20140058023A (en) * | 2012-11-05 | 2014-05-14 | 주식회사 엔에스오 | Filler composition and electric wire manufactured by using the same |
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Cited By (1)
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|---|---|---|---|---|
| CN112724491A (en) * | 2020-12-29 | 2021-04-30 | 无锡鸿仪新材料科技有限公司 | Anti-electric-mark polyethylene sheath material and preparation method thereof |
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