CN103601941B - A kind of Thermoplastic Elastomer, Olefinic cable jacket material and preparation method thereof - Google Patents

A kind of Thermoplastic Elastomer, Olefinic cable jacket material and preparation method thereof Download PDF

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Publication number
CN103601941B
CN103601941B CN201310498116.8A CN201310498116A CN103601941B CN 103601941 B CN103601941 B CN 103601941B CN 201310498116 A CN201310498116 A CN 201310498116A CN 103601941 B CN103601941 B CN 103601941B
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olefinic
thermoplastic elastomer
powder
cable jacket
nano
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CN103601941A (en
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宋华茂
丁倩
杜荣良
张礼莉
刘华喜
钮彬
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State Grid Corp of China SGCC
Liuan Power Supply Co of State Grid Anhui Electric Power Co Ltd
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State Grid Corp of China SGCC
Liuan Power Supply Co of State Grid Anhui Electric Power Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Insulated Conductors (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Insulating Materials (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

The invention discloses a kind of Thermoplastic Elastomer, Olefinic cable jacket material and preparation method thereof, its constitutive material is: Thermoplastic Elastomer, Olefinic, natural rubber, oxide powder and zinc, Nano titanium dioxide, modified aluminum trihydroxide powder, vulcanizing agent VA-7, accelerant B F, tetra isopropyl two (dioctyl phosphito acyloxy) titanic acid ester, calcium stearate, pyrocatechol, anti-dripping agent KY-G80 and clorafin; The present invention adopts Thermoplastic Elastomer, Olefinic as major ingredient, excellent electrical property, heat-resisting, ageing-resistant, wear resisting property is good, under high temperature, dilatational strain is little, is conducive to post cure processing, low-smoke and flame retardant, Environmental Safety, and by the modification to fire retardant nano-aluminum hydroxide powder, greatly can improve the flame retardant resistance of cable sheath, flame retardant effect is obvious.

Description

A kind of Thermoplastic Elastomer, Olefinic cable jacket material and preparation method thereof
Technical field
The present invention relates to a kind of Thermoplastic Elastomer, Olefinic cable jacket material and preparation method thereof, belong to cable jacket material and manufacture field.
Background technology
Along with developing rapidly of economy, electric wire is at industry-by-industry, all be widely used in field, the frequent generation of electrical fire accident, the fire-retardant problem of electric wire causes the attention of countries in the world gradually, a large amount of smog and poisonous is discharged during cable fire, corrosive gas is Hazard Factor in fire, hamper safe escape and the fire-fighting work of people in a fire, lives and properties are made to suffer heavy losses, simultaneously along with communication career, the development of automotive industry and computer industry, the specification of quality of cable jacket material is increased day by day, the invention provides a kind of Thermoplastic Elastomer, Olefinic cable jacket material and preparation method thereof.
Summary of the invention
The object of the present invention is to provide a kind of Thermoplastic Elastomer, Olefinic cable jacket material and preparation method thereof.
To achieve these goals, the present invention adopts following technical scheme:
Thermoplastic Elastomer, Olefinic cable jacket material, the weight part of its constitutive material is: Thermoplastic Elastomer, Olefinic 55-65, natural rubber 20-25, oxide powder and zinc 1.8-2.5, Nano titanium dioxide 15-18, modified aluminum trihydroxide powder 8.0-10.0, vulcanizing agent VA-70.5-0.7, accelerant B F1.7-2.3, tetra isopropyl two (dioctyl phosphito acyloxy) titanic acid ester 3.3-3.5, calcium stearate 3.5-4.5, pyrocatechol 1.7-1.9, anti-dripping agent KY-G800.45-0.60 and clorafin 1.1-1.3.
Thermoplastic Elastomer, Olefinic cable jacket material, the weight part of its constitutive material is: Thermoplastic Elastomer, Olefinic 60, natural rubber 22, oxide powder and zinc 2.2, Nano titanium dioxide 16, modified aluminum trihydroxide powder 9.0, vulcanizing agent VA-70.6, accelerant B F2.0, tetra isopropyl two (dioctyl phosphito acyloxy) titanic acid ester 3.4, calcium stearate 4.0, pyrocatechol 1.8, anti-dripping agent KY-G800.55 and clorafin 1.2.
The preparation method of Thermoplastic Elastomer, Olefinic cable jacket material, comprises the following steps:
(1) prepare: take nano-aluminum hydroxide powder by the weight part of constitutive material, then the 1.4-1.8%4 of nano-aluminum hydroxide powder gross weight is added, 4 '-diphenylmethanediisocyanate, 1.4-1.8% vinylbenzene and 2.2-2.5% dicumyl peroxide, uniform stirring 30-40 minute, obtains modified aluminum trihydroxide powder;
(2) the modified aluminum trihydroxide powder taking step (1) by the weight part of constitutive material remains each raw material with other, then at temperature 110-125 DEG C after banburying 8-9 minute, mixing 28-35 minute at temperature 165-185 DEG C again after banburying, then high-energy radiation is carried out, cross-linking radiation under power and energy are respectively 15-17KW, 8.5-10.0Mev electron beam, irradiation dose is 185-225Gy, extrudes and makes material.
Beneficial effect of the present invention:
The present invention adopts Thermoplastic Elastomer, Olefinic as major ingredient, excellent electrical property, heat-resisting, ageing-resistant, wear resisting property is good, under high temperature, dilatational strain is little, is conducive to post cure processing, low-smoke and flame retardant, Environmental Safety, and by the modification to nano-aluminum hydroxide powder, greatly can improve the flame retardant resistance of cable sheath, flame retardant effect is obvious.
Embodiment
Embodiment 1: Thermoplastic Elastomer, Olefinic cable jacket material, the weight part (kg) of its constitutive material is: Thermoplastic Elastomer, Olefinic 60, natural rubber 22, oxide powder and zinc 2.2, Nano titanium dioxide 16, modified aluminum trihydroxide powder 9.0, vulcanizing agent VA-70.6, accelerant B F2.0, tetra isopropyl two (dioctyl phosphito acyloxy) titanic acid ester 3.4, calcium stearate 4.0, pyrocatechol 1.8, anti-dripping agent KY-G800.55 and clorafin 1.2.
The preparation method of Thermoplastic Elastomer, Olefinic cable jacket material, comprises the following steps:
(1) prepare: take nano-aluminum hydroxide powder by the weight part of constitutive material, then 1.6%4 of nano-aluminum hydroxide powder gross weight are added, 4 '-diphenylmethanediisocyanate, 1.6% vinylbenzene and 2.3% dicumyl peroxide, uniform stirring, control pressure 0.5Mpa, obtains modified aluminum trihydroxide powder;
(2) the modified aluminum trihydroxide powder taking step (1) by the weight part of constitutive material remains each raw material with other, then temperature 118 DEG C after banburying 8-9 minute, after banburying at temperature 175 DEG C mixing 30 minutes again, then high-energy radiation is carried out, cross-linking radiation under power and energy are respectively 16KW, 9.3Mev electron beam, irradiation dose is 205Gy, extrudes and makes material.
By the CABLE MATERIALS performance data that embodiments of the invention 1 are obtained:
Temperature resistant grade is high, continuous long-time stable work at 115 DEG C;
Before aging: elongation at break 279%, tensile strength 11.4N/mm 2;
After aging: (120 DEG C, 240h) elongation at break 263%, tensile strength 9.85N/mm 2;
Resistance to ozone (25 DEG C, concentration 0.025-0.030%, 30h) flawless;
Electrical property: volume specific resistance 1.91*10 12ohm-meter, disruptive strength 17.5Kv/mm;
Oxygen index 28.95.6-32.03%, smoke density is 68.7-70.3, and testing vertical flammability is by UL-94V0 level.

Claims (3)

1. a Thermoplastic Elastomer, Olefinic cable jacket material, is characterized in that the weight part of its constitutive material is: Thermoplastic Elastomer, Olefinic 55-65, natural rubber 20-25, oxide powder and zinc 1.8-2.5, Nano titanium dioxide 15-18, modified aluminum trihydroxide powder 8.0-10.0, vulcanizing agent VA-70.5-0.7, accelerant B F1.7-2.3, tetra isopropyl two (dioctyl phosphito acyloxy) titanic acid ester 3.3-3.5, calcium stearate 3.5-4.5, pyrocatechol 1.7-1.9, anti-dripping agent KY-G800.45-0.60 and clorafin 1.1-1.3.
2. Thermoplastic Elastomer, Olefinic cable jacket material according to claim 1, is characterized in that the weight part of its constitutive material is: Thermoplastic Elastomer, Olefinic 60, natural rubber 22, oxide powder and zinc 2.2, Nano titanium dioxide 16, modified aluminum trihydroxide powder 9.0, vulcanizing agent VA-70.6, accelerant B F2.0, tetra isopropyl two (dioctyl phosphito acyloxy) titanic acid ester 3.4, calcium stearate 4.0, pyrocatechol 1.8, anti-dripping agent KY-G800.55 and clorafin 1.2.
3. a preparation method for Thermoplastic Elastomer, Olefinic cable jacket material as claimed in claim 1, is characterized in that comprising the following steps:
(1) prepare: take nano-aluminum hydroxide powder by the weight part of constitutive material, then the 1.4-1.8%4 of nano-aluminum hydroxide powder gross weight is added, 4 '-diphenylmethanediisocyanate, 1.4-1.8% vinylbenzene and 2.2-2.5% dicumyl peroxide, uniform stirring 30-40 minute, obtains modified aluminum trihydroxide powder;
(2) the modified aluminum trihydroxide powder taking step (1) by the weight part of constitutive material remains each raw material with other, then after temperature 110-125 DEG C of banburying 8-9 minute, mixing 28-35 minute at temperature 165-185 DEG C again, then high-energy radiation is carried out, cross-linking radiation under power and energy are respectively 15-17KW, 8.5-10.0Mev electron beam, irradiation dose is 185-225Gy, extrudes and makes material.
CN201310498116.8A 2013-10-22 2013-10-22 A kind of Thermoplastic Elastomer, Olefinic cable jacket material and preparation method thereof Active CN103601941B (en)

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CN112592525A (en) * 2020-12-01 2021-04-02 江苏达胜高聚物股份有限公司 Cable sheath material and preparation method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101649090A (en) * 2008-08-15 2010-02-17 陈志海 Method for preparing anti-freezing flame-retardant sheath
CN101910278A (en) * 2008-01-18 2010-12-08 埃克森美孚化学专利公司 Elastomeric compositions comprising hydrocarbon polymer additives
CN102977466A (en) * 2012-11-05 2013-03-20 安徽金桥电缆有限公司 Flame-retardant, environmentally-friendly and safe polyolefin sheath material and its preparation method
CN103351509A (en) * 2013-06-19 2013-10-16 安徽电缆股份有限公司 Cable insulation composition and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101910278A (en) * 2008-01-18 2010-12-08 埃克森美孚化学专利公司 Elastomeric compositions comprising hydrocarbon polymer additives
CN101649090A (en) * 2008-08-15 2010-02-17 陈志海 Method for preparing anti-freezing flame-retardant sheath
CN102977466A (en) * 2012-11-05 2013-03-20 安徽金桥电缆有限公司 Flame-retardant, environmentally-friendly and safe polyolefin sheath material and its preparation method
CN103351509A (en) * 2013-06-19 2013-10-16 安徽电缆股份有限公司 Cable insulation composition and preparation method thereof

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