CN109836654A - Flame retardant type high tenacity poly-ethylene cable material - Google Patents
Flame retardant type high tenacity poly-ethylene cable material Download PDFInfo
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- CN109836654A CN109836654A CN201711221149.2A CN201711221149A CN109836654A CN 109836654 A CN109836654 A CN 109836654A CN 201711221149 A CN201711221149 A CN 201711221149A CN 109836654 A CN109836654 A CN 109836654A
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Abstract
The present invention discloses a kind of flame retardant type high tenacity poly-ethylene cable material, and the polyethylene sheath material is grouped as by the group of following parts by weight: high density polyethylene (HDPE), linear low density polyethylene, bimodal polyethylene, polyolefin elastomer, ethylene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, powdered magnesium hydroxide, stratiform aluminium hydroxide, fire retarding synergist, magnesium stearate, silicone oil, antioxidant, young laying ducks in cage melamine salt, polyphenylene oxide, organosilicon powder, lubricant, fluoro phosphorous acid.Halogen-free type highly effective flame-retardant cable material of polyolefin of the present invention improves the flame retarding efficiency of hydroxide, reduces influence of the addition to mechanical property of fire retardant, good tensile strength 15MPa and excellent elongation at break, and extrusion flowability is good, processing temperature is wide in range.
Description
Technical field
The present invention relates to a kind of insulating material of polyethylene more particularly to a kind of flame retardant type high tenacity poly-ethylene cable materials.
Background technique
With the development of economy, it needs to become using the place of cable diversification, the performance of cable jacket material is referred to
It has indicated more stringent and multiplicity requirement, for example insulating properties, tensile strength, has been had sternly using indexs such as temperature, flame retardant properties
The requirement of lattice, the continuous performance for improving sheath material are the urgent needs of economy and society development.Common polythene sheath material
Material is generally made of several polyvinyl resins, antioxidant, lubricant and carbon black etc. by a certain percentage, is made using twin-screw extrusion
The advantages that grain forms, and has very high tensile strength and elongation at break, while extrusion flowability is good, and processing temperature is wide in range, but
It is to have the shortcomings that obvious-non-antiflaming performance.In order to improve the flame retardant property of polyethylene, need to add in resin matrix
A large amount of fire retardants.
Common polyethylene sheathing material belongs to combustible material, brings many inconvenience to actual use, or even threaten people
The security of the lives and property, and flame-proof polyethylene sheath material poor fire on the market, while the mechanical performance of polyethylene is such as
The problems such as tensile strength and elongation at break decline are serious, while there is also poor fluidity, poor in processability and slow crowded linear velocities.Cause
This, is badly in need of changing original sheath material formula, improves material property, poly- come reservation as much as possible while meeting fire-retardant demand
The fine quality of ethylene itself, with the demand of appropriate cable market multiplicity.
Summary of the invention
The present invention provides a kind of flame retardant type high tenacity poly-ethylene cable material, this flame retardant type high tenacity poly-ethylene cable material is very big
Ground improves the flame retarding efficiency of hydroxide, reduces influence of the addition to mechanical performance of fire retardant, good tensile strength 15MPa and
Excellent elongation at break 650%；While extrusion flowability is good, processing temperature is wide in range.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of flame retardant type high tenacity poly-ethylene cable material, institute
Polyethylene sheath material is stated to be grouped as by the group of following parts by weight:
30 ~ 60 parts of high density polyethylene (HDPE),
5 ~ 15 parts of linear low density polyethylene,
5 ~ 15 parts of bimodal polyethylene,
5 ~ 15 parts of polyolefin elastomer,
10 ~ 25 parts of ethylene-vinyl acetate copolymer,
8 ~ 12 parts of maleic anhydride grafted polyethylene,
30 ~ 50 parts of powdered magnesium hydroxide,
5 ~ 10 parts of stratiform aluminium hydroxide,
10 ~ 40 parts of fire retarding synergist,
0.2 ~ 2 part of magnesium stearate,
0.5 ~ 1 part of silicone oil,
0.5 ~ 1.5 part of antioxidant,
2 ~ 4 parts of young laying ducks in cage melamine salt,
2 ~ 3 parts of polyphenylene oxide,
0.5 ~ 3 part of organosilicon powder,
0.5 ~ 1 part of lubricant,
2 ~ 5 parts of fluoro phosphorous acid；
The powdered magnesium hydroxide passes through organosilicon powder handling, this magnesium hydroxide uses chemical synthesis, and particle diameter distribution is narrow,
D50=1.5 μm, D97=5.0 μm.
Related content in above-mentioned technical proposal is explained as follows:
1, in above scheme, the fire retarding synergist be antimony oxide, zinc borate, decabromodiphenylethane, 70# chlorinated paraffin,
It is at least two kinds of in organo montmorillonite.
2, in above scheme, the antioxidant is antioxidant 1010, antioxidant 1098, irgasfos 168,245 and of antioxidant
At least one of antioxidant 1076.
3, in above scheme, the magnesium hydroxide mesh number is greater than 3000.
4, in above scheme, the linear low density polyethylene is metallocene PE, melt index 3g/10min.
5, in above scheme, about 0.880 g/cm of polyolefin elastic volume density3, melt index 5g/10min.
6, in above scheme, the ethylene-octene copolymer POE density is 0.880 g/cm3, melt index 5g/
10min。
Due to the above technical solutions, the present invention has the following advantages over the prior art:
1, high-fire-resistance low smoke, zero halogen polyolefin insulation material of the present invention, 30 ~ 60 parts of high density polyethylene (HDPE), linear low density polyethylene
5 ~ 15 parts of alkene, 5 ~ 15 parts of polyolefin elastomer, adds in 10 ~ 25 parts of ethylene-vinyl acetate copolymer 5 ~ 15 parts of bimodal polyethylene
30 ~ 50 parts of powdered magnesium hydroxide, 5 ~ 10 parts of stratiform aluminium hydroxide, using powdered and 2 kinds of forms of stratiform magnesium hydroxide and
Aluminium hydroxide (LDH) is applied in combination, and arranges in pairs or groups 2 ~ 3 parts of polyphenylene oxide, reduces magnesium hydroxide and aluminium hydroxide additive amount, is added very big
Ground improves the flame retarding efficiency of hydroxide, reduces influence of the addition to mechanical performance of fire retardant, good tensile strength 15MPa and
Excellent elongation at break 650%；The powdered magnesium hydroxide passes through organosilicon powder handling, this magnesium hydroxide is using chemistry
Synthetic method, particle diameter distribution is narrow, D50=1.5 μm, D97=5.0 μm, further improves flame retardant effect while reducing to mechanical performance
Influence.
2, high-fire-resistance low smoke, zero halogen polyolefin insulation material of the present invention, based on 30 ~ 60 parts of high density polyethylene (HDPE), linear low close
Spend 5 ~ 15 parts of polyethylene, 5 ~ 15 parts of bimodal polyethylene, 5 ~ 15 parts of polyolefin elastomer, 10 ~ 25 parts of ethylene-vinyl acetate copolymer
2 ~ 4 parts of young laying ducks in cage melamine salt, 0.2 ~ 2 part of the magnesium stearate toughness for significantly improving CABLE MATERIALS are added in system, are solved
The excessive problem of CABLE MATERIALS brittleness assigns material excellent flexibility and filler inclusiveness；Secondly, further being added in its formula
2 ~ 5 parts of fluoro phosphorous acid, so that CABLE MATERIALS meets application of the CABLE MATERIALS under harsh environment, further improve the mechanics of CABLE MATERIALS
Performance, and extrusion flowability is good, processing temperature is wide in range.
Specific embodiment
The present invention will be further described below with reference to examples:
Embodiment 1 ~ 4: a kind of flame retardant type high tenacity poly-ethylene cable material, the polyethylene sheath material by following parts by weight component
Composition:
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| 30 ~ 60 parts of high density polyethylene (HDPE) | 48 parts | 32 parts | 50 parts | 55 parts |
| 5 ~ 15 parts of linear low density polyethylene | 6 parts | 10 parts | 12 parts | 10 parts |
| 5 ~ 15 parts of bimodal polyethylene | 9 parts | 6 parts | 12 parts | 10 parts |
| 5 ~ 15 parts of polyolefin elastomer | 8 parts | 6 parts | 10 parts | 12 parts |
| 10 ~ 25 parts of ethylene-vinyl acetate copolymer | 20 parts | 12 parts | 18 parts | 24 parts |
| 8 ~ 12 parts of maleic anhydride grafted polyethylene | 9 parts | 10 parts | 8 parts | 11 parts |
| 30 ~ 50 parts of powdered magnesium hydroxide | 32 parts | 40 parts | 48 parts | 35 parts |
| 5 ~ 10 parts of stratiform aluminium hydroxide | 9 parts | 6 parts | 8 parts | 10 parts |
| 10 ~ 40 parts of fire retarding synergist | 20 parts | 30 parts | 26 parts | 36 parts |
| 0.2 ~ 2 part of magnesium stearate | 0.8 part | 1.6 part | 1 part | 1.2 part |
| 0.5 ~ 1 part of silicone oil | 0.9 part | 1 part | 0.6 part | 0.8 part |
| 0.5 ~ 1.5 part of antioxidant | 0.8 part | 1.2 part | 1 part | 1.1 part |
| 2 ~ 4 parts of young laying ducks in cage melamine salt | 3 parts | 2.2 part | 2.5 part | 3.6 part |
| 2 ~ 3 parts of polyphenylene oxide | 2.5 part | 2.8 part | 2.2 part | 2 parts |
| 0.5 ~ 3 part of organosilicon powder | 0.6 part | 2 parts | 3 parts | 2 parts |
| 0.5 ~ 1 part of lubricant | 0.6 part | 0.8 part | 1 part | 0.7 part |
| 2 ~ 5 parts of fluoro phosphorous acid | 2.4 part | 3.5 part | 4 parts | 4.2 part |
The powdered magnesium hydroxide passes through organosilicon powder handling, this magnesium hydroxide uses chemical synthesis, partial size point
Cloth is narrow, D50=1.5 μm, D97=5.0 μm.
The mixture that the fire retarding synergist of embodiment 1 is antimony oxide, zinc borate is formed according to weight 1:1；Embodiment 2
Fire retarding synergist be mixture that zinc borate, 70# chlorinated paraffin are formed according to weight 2:1；The fire retarding synergist of embodiment 3 is
The mixture that zinc borate, decabromodiphenylethane are formed according to weight 1:1；The fire retarding synergist of embodiment 4 be decabromodiphenylethane,
The mixture that organo montmorillonite is formed according to weight 1:3.
The antioxidant of embodiment 1 is antioxidant 1010, the antioxidant of embodiment 2 be irgasfos 168, antioxidant 245 according to
The mixture that weight 1:1 is formed, the antioxidant of embodiment 3 are the mixing that irgasfos 168, antioxidant 245 are formed according to weight 1:1
Object, the antioxidant of embodiment 4 are the mixture that irgasfos 168 and antioxidant 1076 are formed according to weight 1:1；
Above-mentioned magnesium hydroxide mesh number is greater than 3000, and above-mentioned linear low density polyethylene is metallocene PE, melt index 3g/
10min。
About 0.880 g/cm of said polyolefins elasticity volume density3, melt index 5g/10min.
Above-mentioned ethylene-octene copolymer POE density is 0.880 g/cm3, melt index 5g/10min.
Above-mentioned magnesium hydroxide mesh number is greater than 3000.
Above-mentioned LLDPE is that metallocene PE density is 0.92 g/cm3, melt index 3g/10min.
Above-mentioned polyethylene EPPE density is 0.91g/cm3, and melt index is about 1.5g/10min.
Above-mentioned ethylene-octene copolymer POE density is 0.880 g/cm3, melt index 5g/10min.
The preparation method of above-mentioned flame retardant type high tenacity poly-ethylene cable material, comprising the following steps:
30 ~ 60 parts of high density polyethylene (HDPE), 5 ~ 15 parts of linear low density polyethylene, bimodal polyethylene 5 ~ 15 are weighed by formula rate
Part, 5 ~ 15 parts of polyolefin elastomer, 10 ~ 25 parts of ethylene-vinyl acetate copolymer, 8 ~ 12 parts of maleic anhydride grafted polyethylene, powder
30 ~ 50 parts of last shape magnesium hydroxide, 5 ~ 10 parts of stratiform aluminium hydroxide, 10 ~ 40 parts of fire retarding synergist, 0.2 ~ 2 part of magnesium stearate, silicone oil
0.5 ~ 1 part, 0.5 ~ 1.5 part of antioxidant, 2 ~ 4 parts of young laying ducks in cage melamine salt, 2 ~ 3 parts of polyphenylene oxide, organosilicon powder 0.5 ~ 3
Constitutive material is put into high-speed mixer mixing 8-10miu by part, 0.5 ~ 1 part of lubricant, 2 ~ 5 parts of fluoro phosphorous acid, and blowing will
The material mixed is put into double screw extruder, extruding pelletization, is entered back into air drier after being dried to get ring
Poly-ethylene cable material is protected, double screw extruder temperature setting when extrusion are as follows: 114 DEG C of feeding section, 175 DEG C of melt zone, melt conveying
175~180 DEG C of section, 182 DEG C of homogenizing zone, 182 DEG C of head metering section, obtains flame retardant type high tenacity polyethylene electricity by 190 DEG C of mixing section
Cable material.
When using above-mentioned flame retardant type high tenacity poly-ethylene cable material, 30 ~ 60 parts of high density polyethylene (HDPE), linea low density are poly-
5 ~ 15 parts of ethylene, 5 ~ 15 parts of polyolefin elastomer, adds in 10 ~ 25 parts of ethylene-vinyl acetate copolymer 5 ~ 15 parts of bimodal polyethylene
Add 30 ~ 50 parts of powdered magnesium hydroxide, 5 ~ 10 parts of stratiform aluminium hydroxide, using powdered and 2 kinds of forms of stratiform magnesium hydroxide
It is applied in combination, and arranges in pairs or groups 2 ~ 3 parts of polyphenylene oxide with aluminium hydroxide (LDH), reduce magnesium hydroxide and aluminium hydroxide additive amount, addition can
To greatly improve the flame retarding efficiency of hydroxide, influence of the addition to mechanical performance of fire retardant, good tensile strength are reduced
15MPa and excellent elongation at break 650%；The powdered magnesium hydroxide passes through organosilicon powder handling, this magnesium hydroxide is adopted
With chemical synthesis, particle diameter distribution is narrow, D50=1.5 μm, D97=5.0 μm, further improves flame retardant effect while reducing to machine
The influence of tool performance；Again, the toughness for significantly improving CABLE MATERIALS solves the problems, such as that CABLE MATERIALS brittleness is excessive, and it is excellent to assign material
Good flexibility and filler inclusiveness.
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 (7)
1. a kind of flame retardant type high tenacity poly-ethylene cable material, it is characterised in that: the polyethylene sheath material is by following parts by weight
Group be grouped as:
30 ~ 60 parts of high density polyethylene (HDPE),
5 ~ 15 parts of linear low density polyethylene,
5 ~ 15 parts of bimodal polyethylene,
5 ~ 15 parts of polyolefin elastomer,
10 ~ 25 parts of ethylene-vinyl acetate copolymer,
8 ~ 12 parts of maleic anhydride grafted polyethylene,
30 ~ 50 parts of powdered magnesium hydroxide,
5 ~ 10 parts of stratiform aluminium hydroxide,
10 ~ 40 parts of fire retarding synergist,
0.2 ~ 2 part of magnesium stearate,
0.5 ~ 1 part of silicone oil,
0.5 ~ 1.5 part of antioxidant,
2 ~ 4 parts of young laying ducks in cage melamine salt,
2 ~ 3 parts of polyphenylene oxide,
0.5 ~ 3 part of organosilicon powder,
0.5 ~ 1 part of lubricant,
2 ~ 5 parts of fluoro phosphorous acid；
The powdered magnesium hydroxide passes through organosilicon powder handling, this magnesium hydroxide uses chemical synthesis, and particle diameter distribution is narrow,
D50=1.5 μm, D97=5.0 μm.
2. flame retardant type high tenacity poly-ethylene cable material according to claim 1, it is characterised in that: the fire retarding synergist is
It is antimony oxide, zinc borate, decabromodiphenylethane, 70# chlorinated paraffin, at least two kinds of in organo montmorillonite.
3. flame retardant type high tenacity poly-ethylene cable material according to claim 1, it is characterised in that: the antioxidant is antioxygen
At least one of agent 1010, antioxidant 1098, irgasfos 168, antioxidant 245 and antioxidant 1076.
4. flame retardant type high tenacity poly-ethylene cable material according to claim 1, it is characterised in that: the polyolefin elastic
About 0.880 g/cm of volume density3, melt index 5g/10min.
5. flame retardant type high tenacity poly-ethylene cable material according to claim 1, it is characterised in that: the ethylene-octene is total
Polymers POE density is 0.880 g/cm3, melt index 5g/10min.
6. flame retardant type high tenacity poly-ethylene cable material according to claim 1, it is characterised in that: the magnesium hydroxide mesh number
Greater than 3000.
7. flame retardant type high tenacity poly-ethylene cable material according to claim 1, it is characterised in that: the linea low density is poly-
Ethylene is metallocene PE, melt index 3g/10min.
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| CN201711221149.2A CN109836654A (en) | 2017-11-29 | 2017-11-29 | Flame retardant type high tenacity poly-ethylene cable material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903538A (en) * | 2019-12-05 | 2020-03-24 | 中广核三角洲（苏州）高聚物有限公司 | 90-DEG C cracking-resistant moisture-proof flame-retardant polyethylene cable material and preparation method thereof |
| CN111145955A (en) * | 2020-01-06 | 2020-05-12 | 湖南湘江电缆有限公司 | Impact-resistant high-flame-retardant cable |
| CN111675846A (en) * | 2020-06-13 | 2020-09-18 | 厦门毅兴行塑胶原料有限公司 | Toughened PE (polyethylene) granules and preparation method and application thereof |
| CN112457552A (en) * | 2020-11-17 | 2021-03-09 | 苏州亨利通信材料有限公司 | Weather-resistant low-density polyethylene insulating material and preparation method thereof |
| CN114456461A (en) * | 2020-11-09 | 2022-05-10 | 苏州亨利通信材料有限公司 | Flame-retardant polyethylene cable material meeting bundled A-grade combustion |
| CN114479252A (en) * | 2020-10-27 | 2022-05-13 | 中广核三角洲（江苏）塑化有限公司 | Preparation method of flame-retardant polyolefin insulating material for fire-resistant cable |
| CN114479251A (en) * | 2020-10-27 | 2022-05-13 | 中广核三角洲（江苏）塑化有限公司 | Polyolefin flame-retardant sheath material for 5G photoelectric composite cable |
| CN114773712A (en) * | 2022-05-24 | 2022-07-22 | 三杰节能新材料股份有限公司 | Formula and manufacturing method of low-temperature-resistant flame-retardant outer protective pipe |
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| CN110903538A (en) * | 2019-12-05 | 2020-03-24 | 中广核三角洲（苏州）高聚物有限公司 | 90-DEG C cracking-resistant moisture-proof flame-retardant polyethylene cable material and preparation method thereof |
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| CN114479251A (en) * | 2020-10-27 | 2022-05-13 | 中广核三角洲（江苏）塑化有限公司 | Polyolefin flame-retardant sheath material for 5G photoelectric composite cable |
| CN114456461A (en) * | 2020-11-09 | 2022-05-10 | 苏州亨利通信材料有限公司 | Flame-retardant polyethylene cable material meeting bundled A-grade combustion |
| CN112457552A (en) * | 2020-11-17 | 2021-03-09 | 苏州亨利通信材料有限公司 | Weather-resistant low-density polyethylene insulating material and preparation method thereof |
| CN114773712A (en) * | 2022-05-24 | 2022-07-22 | 三杰节能新材料股份有限公司 | Formula and manufacturing method of low-temperature-resistant flame-retardant outer protective pipe |
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Application publication date: 20190604 |