CN106336562B - A kind of fire-retardant polyethylene cable material and preparation method thereof - Google Patents
A kind of fire-retardant polyethylene cable material and preparation method thereof Download PDFInfo
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- CN106336562B CN106336562B CN201610698132.5A CN201610698132A CN106336562B CN 106336562 B CN106336562 B CN 106336562B CN 201610698132 A CN201610698132 A CN 201610698132A CN 106336562 B CN106336562 B CN 106336562B
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Abstract
The invention discloses a kind of fire-retardant polyethylene cable materials and preparation method thereof, the raw material of fire-retardant polyethylene cable material includes following component: 40~80 parts of linear low density polyethylene, 20~60 parts of modifying linear low-density polyethylene, 5~15 parts of compatilizer, 3~10 parts of silicone master batch, 3~5 parts of carbon black, 50~60 parts of aluminium hydroxide, 10~30 parts of magnesium hydroxide, 2~4 parts of composite flame-proof synergist, 0.6~1 part of antioxidant, 1~3 part of lubricant；The number is mass fraction；Wherein, composite flame-proof synergist is the mixture of zeolite powder, attapulgite, zinc borate, red phosphorus and coupling agent.Fire-retardant polyethylene cable material of the present invention considerably reduces the usage amount of fire retardant by the selection to each raw material component and dosage, ensure that the performances such as the mechanical property, processing performance, resisting environmental stress and cracking of CABLE MATERIALS while guaranteeing CABLE MATERIALS flame retardant effect；Preparation method is simple to operation.
Description
Technical field
The present invention relates to a kind of fire-retardant polyethylene cable materials and preparation method thereof, belong to CABLE MATERIALS field.
Background technique
Polyethylene (PE) has excellent processing performance, mechanical and physical performance and electrical insulation properties, is widely used in electricity
Cable industry.But PE flame resistance is poor, and the cable of production is under the conditions ofs high pressure, fever, electric discharge etc., it is easy to which burning causes fire, institute
Flame retardant treatment need to be carried out to PE plastics, make up to fire retardant.Studies have shown that material draws high intensity, elongation at break, resistance to ring
The performances such as border stress cracking performance are gradually decreased with the increase of amount of flame-retardant agent, and ideal resistance is not achieved in amount of flame-retardant agent less
Fuel efficiency fruit.
Summary of the invention
The present invention provides a kind of fire-retardant polyethylene cable material and preparation method thereof, can combine the flame retardant property of CABLE MATERIALS
And the performances such as mechanical property, processing performance, resisting environmental stress and cracking.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
A kind of fire-retardant polyethylene cable material, raw material include following component: 40~80 parts of linear low density polyethylene, modified
20~60 parts of linear low density polyethylene, 5~15 parts of compatilizer, 3~10 parts of silicone master batch, 3~5 parts of carbon black, aluminium hydroxide 50
~60 parts, 10~30 parts of magnesium hydroxide, 2~4 parts of composite flame-proof synergist, 0.6~1 part of antioxidant, 1~3 part of lubricant；It is described
Number is mass fraction；Wherein, composite flame-proof synergist is the mixing of zeolite powder, attapulgite, zinc borate, red phosphorus and coupling agent
Object.
In order to there is better mechanical performance, the dosage of fire retardant is reduced, the present invention uses composite flame-proof synergist, by right
The selection of component zeolite powder, attapulgite, zinc borate, red phosphorus and their dosages, performs to the synergistic effect between each component
Most preferably, it not only ensure that the flame retardant property of material, but also reduced the additive amount of fire retardant, and improved the mechanical property of materials.
The application fire-retardant polyethylene cable material considerably reduces fire retardant by the selection to each raw material component and dosage
Usage amount, ensure that the mechanical property, processing performance, environmental stress resistance of CABLE MATERIALS while guaranteeing CABLE MATERIALS flame retardant effect
The performances such as cracking.
In order to further promote the synergistic effect between each component, enhances flame retardant effect, reduces amount of flame-retardant agent, it is preferable that
Zeolite powder, attapulgite, zinc borate, red phosphorus and coupling agent mass ratio be 10:10:2:2:0.3, coupling agent is that titanate esters are coupled
Agent.
In order to further guarantee the flame retardant effect and mechanical performance of CABLE MATERIALS simultaneously, it is preferable that the partial size of zeolite powder is 900-
1100 mesh, the partial size of attapulgite are 900-1100 mesh, and the partial size of zinc borate is 1900-2100 mesh.
In order to further guarantee the flame retardant effect and mechanical performance of CABLE MATERIALS simultaneously, it is preferable that the system of composite flame-proof synergist
It is standby are as follows: zeolite powder, attapulgite, zinc borate, red phosphorus and coupling agent are placed in high speed by the mass ratio of 50:50:10:10:1.5 and mixed
30 ± 2min is mixed in conjunction machine to get composite flame-proof synergist, wherein revolving speed is 1000 ± 50r/min.
In order to further ensure the processing performance and mechanical performance of CABLE MATERIALS, modifying linear low-density polyethylene is three wells
The SP0540 that student produces.
Applicant it has been investigated that, Mitsui Chemicals production SP0540 can further promote the association between the application each component
Same effect is that gained cable has excellent electrical property and mechanical performance, and it is excellent to eat properties of powder, solve formula system because
The predicament of bad mechanical property and poor electrical performance caused by filler addition is excessive.
In order to further promote the synergistic effect between each component, compatilizer is the compatilizer JY035 that Shanghai is gathered long, antioxygen
The mixture that agent is antioxidant 1010 and 1098 mass ratio of antioxidant is 2:1；Lubricant is PE wax.
For the uniformity for further increasing CABLE MATERIALS, the mechanical performance of CABLE MATERIALS is improved, it is preferable that aluminium hydroxide is the double-deck packet
It covers, internal layer is silane cladding, and outer layer is organic resin cladding, and partial size is 1~2 μm.Magnesium hydroxide is double-coating, and internal layer is silicon
Alkane cladding, outer layer are organic resin cladding, and partial size is 2~3 μm.
Making the mechanical performance of gained CABLE MATERIALS in this way has further improvement, and environmental stress cracking resistance is more excellent
It is good.
It is excellent to play its material itself in order to enable that CABLE MATERIALS is more uniform, powder constituents therein preferably scatter
Gesture, promote each component between synergistic effect, the application using first carry out the production of composite flame-retardant agent master batch, then carry out mixer+
Double rank granulation, specific as follows:
The preparation method of fire-retardant polyethylene cable material, includes the following steps:
A, by modifying linear low-density polyethylene, composite flame-proof synergist, compatilizer, aluminium hydroxide, magnesium hydroxide, antioxygen
Agent, lubricant, which are placed in high-speed mixer, mixes 5min, revolving speed 1000r/min, then squeezes out through double-screw extruding pelletizing unit,
Obtain composite flame-proof synergist master batch；
B, gained composite flame-proof synergist master batch is placed in mixer and is added linear low density polyethylene, silicone mother
Grain, carbon black are kneaded, then double rank extruding pelletizations, last air-cooled to get fire-retardant polyethylene cable material.
Above-mentioned preparation method can be such that each material is sufficiently mixed, and the uniformity of gained CABLE MATERIALS is obviously improved, and is solved well
The defect for existing inorganic powder bad dispersibility of having determined guarantees that material environmental stress cracking resistance is qualified.
The unmentioned technology of the present invention is referring to the prior art.
Fire-retardant polyethylene cable material of the present invention considerably reduces fire retardant by the selection to each raw material component and dosage
Usage amount, ensure that the mechanical property, processing performance, environmental stress resistance of CABLE MATERIALS while guaranteeing CABLE MATERIALS flame retardant effect
The performances such as cracking；Preparation method is simple to operation.
Specific embodiment
For a better understanding of the present invention, below with reference to the embodiment content that the present invention is furture elucidated, but it is of the invention
Content is not limited solely to the following examples.
In embodiment, composite flame-proof synergist used is that (1000 mesh, Ningbo is praised and the limited public affairs of new material science and technology for zeolite powder
Department), attapulgite (1000 mesh, Ming Mei mineral Chemical Co., Ltd.), zinc borate (2000 mesh, the limited public affairs of Zibo rising sun shellfish chemical industry
Department), (titanate coupling agent CS-101, Nanjing wound generation auxiliary chemicals are limited for red phosphorus (Alfa Aesar Fa Aisha) and coupling agent
Company) mass ratio be 10:10:2:2:0.3 mixture, it is specific to prepare are as follows: by zeolite powder, attapulgite, zinc borate, red phosphorus
It is placed in high-speed mixer with coupling agent by the mass ratio of 50:50:10:10:1.5 and mixes 30min to get composite flame-proof synergistic
Agent, wherein revolving speed 1000r/min.
Antioxidant is antioxidant 1010 (bright Chemical Co., Ltd., Nanjing Holley) and (the bright chemical industry of Nanjing Holley of antioxidant 1098
Co., Ltd) mass ratio be 2:1 mixture；Compatilizer is the compatilizer JY035 that Shanghai is gathered long；Linear low density polyethylene is
The LLDPE3518CB of Exxon Mobil；Modifying linear low-density polyethylene is SP0540 (Mitsui Chemicals)；Silicone master batch is
MB50-B004 silicone master batch (Shanghai is with tall and erect new material Science and Technology Ltd.)；Carbon black is that (auspicious chemical industry is won in Tianjin hundred million to be had carbon black N115
Limit company)；Lubricant is PE wax (PE-101, Changzhou can match successfully lubricant)；Magnesium hydroxide is double-coating magnesium hydroxide (river
The 55PA2 of Su Aiteke)；Aluminium hydroxide is double-coating aluminium hydroxide (Jiangsu Ai Teke 140PA2).
Embodiment 1
A kind of raw material of fire-retardant polyethylene cable material includes following component: 50 parts of the LLDPE3518CB of Exxon Mobil,
10 parts of 40 parts of modifying linear low-density polyethylene SP0540 (Mitsui Chemicals), JY035 (poly- compatilizer long), 5 parts of silicone master batch,
5 parts of carbon black, 60 parts of double-coating aluminium hydroxide, 10 parts of double-coating magnesium hydroxide, 2 parts of composite flame-proof synergist, antioxidant 1
Part, 2 parts of PE wax (Changzhou can match successfully lubricant), through detecting, indices are as shown in table 1.
The preparation method of fire-retardant polyethylene cable material, includes the following steps:
A, by modifying linear low-density polyethylene, composite flame-proof synergist, compatilizer, aluminium hydroxide, magnesium hydroxide, antioxygen
Agent, lubricant, which are placed in high-speed mixer, mixes 5min, revolving speed 1000r/min, then squeezes out through double-screw extruding pelletizing unit,
Composite flame-proof synergist master batch is obtained, double-screw extruding pelletizing machine temperature is 150~180 DEG C；
B, gained composite flame-proof synergist master batch is placed in mixer and is added linear low density polyethylene, silicone mother
Grain, carbon black are kneaded, then double rank extruding pelletizations, last air-cooled to get fire-retardant polyethylene cable material；Temperature of each section difference
Are as follows: mixer: 150 DEG C, 100~110 DEG C of single screw rod extruding zone, 110~130 DEG C of twin-screw extrusion section.
Embodiment 2
With 1 step of embodiment, the difference is that the weight of fire-retardant polyethylene cable material raw material is grouped into:
60 parts of LLDPE3518CB (linear low density polyethylene of Exxon Mobil), 30 parts of SP0540 (Mitsui Chemicals), JY035 are (poly- long
Compatilizer) 10 parts, 5 parts of silicone master batch, 5 parts of carbon black, 60 parts of aluminium hydroxide, 10 parts of magnesium hydroxide, composite flame-proof synergist 3
Part, 0.7 part of antioxidant, 2 parts of PE wax.Through detecting, indices are as shown in table 1.
Embodiment 3
With 1 step of embodiment, the difference is that the weight of each fire-retardant polyethylene cable material raw material is grouped into:
70 parts of LLDPE3518CB (linear low density polyethylene of Exxon Mobil), 20 parts of SP0540 (Mitsui Chemicals), JY035 are (poly- long
Compatilizer) 10 parts, 5 parts of silicone master batch, 5 parts of carbon black, 60 parts of aluminium hydroxide, 10 parts of magnesium hydroxide, composite flame-proof synergist 4
Part, 1 part of antioxidant, 2 parts of PE wax.Through detecting, indices are as shown in table 1.
Embodiment 4
With 1 step of embodiment, the difference is that the weight of fire-retardant polyethylene cable material raw material is grouped into:
50 parts of LLDPE3518CB (linear low density polyethylene of Exxon Mobil), 40 parts of SP0540 (Mitsui Chemicals), JY035 are (poly- long
Compatilizer) 10 parts, 5 parts of silicone master batch, 5 parts of carbon black, 50 parts of aluminium hydroxide, 30 parts of magnesium hydroxide, composite flame-proof synergist 2
Part, 1 part of antioxidant, 1 part of PE wax.Through detecting, indices are as shown in table 1.
Embodiment 5
With 1 step of embodiment, the difference is that the weight of fire-retardant polyethylene cable material raw material is grouped into:
50 parts of LLDPE3518CB (linear low density polyethylene of Exxon Mobil), 40 parts of SP0540 (Mitsui Chemicals), JY035 are (poly- long
Compatilizer) 10 parts, 5 parts of silicone master batch, 5 parts of carbon black, 50 parts of aluminium hydroxide, 10 parts of magnesium hydroxide, composite flame-proof synergist 3
Part, 0.6 part of antioxidant, 2 parts of PE wax.Through detecting, indices are as shown in table 1.
Embodiment 6
With 1 step of embodiment, the difference is that the weight of fire-retardant polyethylene cable material raw material is grouped into:
50 parts of LLDPE3518CB (linear low density polyethylene of Exxon Mobil), 40 parts of SP0540 (Mitsui Chemicals), JY035 are (poly- long
Compatilizer) 10 parts, 5 parts of silicone master batch, 5 parts of carbon black, 50 parts of aluminium hydroxide, 20 parts of magnesium hydroxide, composite flame-proof synergist 2
Part, 1 part of antioxidant, 2 parts of PE wax.Through detecting, indices are as shown in table 1.
Table 1
Claims (2)
1. a kind of fire-retardant polyethylene cable material, it is characterised in that: its raw material includes following component:
40~80 parts of linear low density polyethylene,
20~60 parts of modifying linear low-density polyethylene,
5~15 parts of compatilizer,
3~10 parts of silicone master batch,
3~5 parts of carbon black,
50~60 parts of aluminium hydroxide,
10~30 parts of magnesium hydroxide,
2~4 parts of composite flame-proof synergist,
0.6~1 part of antioxidant,
1~3 part of lubricant；The number is mass fraction；
The linear low density polyethylene is the LLDPE3518CB of Exxon Mobil；
The modifying linear low-density polyethylene is the SP0540 of Mitsui Chemicals production；
The compatilizer is the compatilizer JY035 that Shanghai is gathered long；
The mixture that the antioxidant is antioxidant 1010 and 1098 mass ratio of antioxidant is 2:1；
The lubricant is PE wax；
The aluminium hydroxide is double-coating, and internal layer is silane cladding, and outer layer is organic resin cladding, and partial size is 1~2 μm；
The magnesium hydroxide is double-coating, and internal layer is silane cladding, and outer layer is organic resin cladding, and partial size is 2~3 μm；
Wherein, composite flame-proof synergist is the mixture of zeolite powder, attapulgite, zinc borate, red phosphorus and titanate coupling agent, boiling
Mountain flour, attapulgite, zinc borate, red phosphorus and titanate coupling agent mass ratio be 10:10:2:2:0.3；
The partial size of zeolite powder is 900-1100 mesh, and the partial size of attapulgite is 900-1100 mesh, and the partial size of zinc borate is 1900-
2100 mesh；
The preparation of composite flame-proof synergist are as follows: zeolite powder, attapulgite, zinc borate, red phosphorus and coupling agent are pressed into 50:50:10:
The mass ratio of 10:1.5, which is placed in high-speed mixer, mixes 30 ± 2min to get composite flame-proof synergist, wherein revolving speed 1000
±50r/min。
2. the preparation method of fire-retardant polyethylene cable material described in claim 1, characterized by the following steps:
A, by modifying linear low-density polyethylene, composite flame-proof synergist, compatilizer, aluminium hydroxide, magnesium hydroxide, antioxidant,
Lubricant, which is placed in high-speed mixer, mixes 5min, revolving speed 1000r/min, then squeezes out through double-screw extruding pelletizing unit, obtains
Composite flame-proof synergist master batch；
B, gained composite flame-proof synergist master batch is placed in mixer and is added linear low density polyethylene, silicone master batch, charcoal
Black to be kneaded, then double rank extruding pelletizations, last air-cooled to get fire-retardant polyethylene cable material.
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| CN108059762A (en) * | 2017-12-12 | 2018-05-22 | 常州市瑞泰物资有限公司 | A kind of preparation method of fire-resistant cable material |
| CN110204809B (en) * | 2019-04-17 | 2022-06-17 | 深圳市深捷通管业发展有限公司 | Flame-retardant HDPE (high-density polyethylene) sub-pipe and preparation method thereof |
| CN110172204B (en) * | 2019-06-03 | 2022-09-13 | 国网上海市电力公司 | Waterproof high-insulation-performance flame-retardant polyethylene cable sheath material and preparation method thereof |
| CN114573908B (en) * | 2022-03-31 | 2023-11-21 | 国高材高分子材料产业创新中心有限公司 | Standard substance for measuring content of plastic carbon black, and preparation method and application thereof |
| CN114921021A (en) * | 2022-06-01 | 2022-08-19 | 宝新高分子科技(广州)有限公司 | High-flame-retardant low-smoke halogen-free B1 sheath material |
| CN117447788B (en) * | 2023-12-23 | 2024-04-12 | 河北尚华新材料股份有限公司 | Low-smoke halogen-free flame-retardant cable material for photovoltaic cable and preparation method thereof |
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| CN1465616A (en) * | 2002-06-21 | 2004-01-07 | 中国科学院化学研究所 | Magnetsium hydroxide halogen-free polythene flame redardant composite material |
| CN103012941A (en) * | 2012-09-29 | 2013-04-03 | 深圳市沃尔核材股份有限公司 | Non-crosslinking halogen-free flame-retardant cable insulating material or sheath material and preparation method thereof |
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| CN1465616A (en) * | 2002-06-21 | 2004-01-07 | 中国科学院化学研究所 | Magnetsium hydroxide halogen-free polythene flame redardant composite material |
| CN103012941A (en) * | 2012-09-29 | 2013-04-03 | 深圳市沃尔核材股份有限公司 | Non-crosslinking halogen-free flame-retardant cable insulating material or sheath material and preparation method thereof |
| CN104844828A (en) * | 2015-06-09 | 2015-08-19 | 傅兴琴 | Preparation method of inorganic flame retardant for rubber and plastics |
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Effective date of registration: 20220321 Address after: 213399 No.1, Shangshang Road, Kunlun Street, Liyang City, Changzhou City, Jiangsu Province Patentee after: Jiangsu Shangshang cable group new material Co.,Ltd. Patentee after: Jiangsu Shangshang Cable Group Address before: 213399 No.1, Shangshang Road, Kunlun Street, Liyang City, Changzhou City, Jiangsu Province Patentee before: Jiangsu Shangshang cable group new material Co.,Ltd. |