CN105820431B - Low-smoke halogen-free environment cable insulation material - Google Patents

Low-smoke halogen-free environment cable insulation material Download PDF

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Publication number
CN105820431B
CN105820431B CN201610320849.6A CN201610320849A CN105820431B CN 105820431 B CN105820431 B CN 105820431B CN 201610320849 A CN201610320849 A CN 201610320849A CN 105820431 B CN105820431 B CN 105820431B
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China
Prior art keywords
parts
polyethylene wax
eva
ethylene
cable insulation
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CN201610320849.6A
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CN105820431A (en
Inventor
郑标
李丛龙
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JIANGSU JUYE CABLE CO Ltd
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JIANGSU JUYE CABLE CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/22—Halogen free composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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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)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention discloses a kind of low-smoke halogen-free environment cable insulation materials, belong to cable preparation field.It is made of the raw material of following parts by weight：The polyethylene wax copolymer of 03 90 120 parts of EVA40L, 30 50 parts of EVA421,118 125 parts of aluminium hydroxide, 10 30 parts of white carbon, 14 parts of RD, 24 parts of N550,12 parts of TAIC, 34 parts of BIBP, 79 parts of DOS, 35 parts of Ca_Zn composite thermal stabilizers, ethylene/vinyl acetate（EVA）35 parts of polyethylene wax, 12 parts of zinc stearate.The polyethylene wax copolymer of invention ethylene/vinyl acetate（EVA）Polyethylene wax carry polar group in the structure, therefore can improve the compatibility with the compatibility of inorganic matter and polar resin in EVA insulating materials, during avoiding use the migration of plasticizer extend the service life of insulating materials to material surface.

Description

Low-smoke halogen-free environment cable insulation material
Technical field
The present invention relates to a kind of cable insulation materials, are especially a kind of low-smoke halogen-free environment cable insulation material, belong to In cable preparation field.
Background technology
Cable insulation material is usually using materials such as rubber, plastics, nylon as base-material, in conjunction with plasticizer, filler, color masterbatch The auxiliary elements such as material, antioxidant are made, and different cable types and use environment have different want to the performance of cable insulation material It asks.Cable in existing motorcycle track is all made of EVA elastomers as the main glue of insulating materials, and carbon black and white carbon are filled out as reinforcement Agent, paraffin or paraffin oil are filled as plasticizer, select paraffin or paraffin oil as plasticizer in use, because it can not be complete with EVA Beautiful polymerization can move to material surface placing a period of time post-plasticization agent, influence the service life of insulating materials.
Invention content
Technical problem to be solved by the present invention lies in the prior art is overcome, a kind of material degree of polymerization height is provided, the longevity is used Order long low-smoke halogen-free environment cable insulation material.
In order to solve the above technical problem, the present invention provides low-smoke halogen-free environment cable insulation material, by following heavy The raw material of amount part is made：90-120 parts of EVA40L-03,30-50 parts of EVA421,118-125 parts of aluminium hydroxide, white carbon 10- 30 parts, 1-4 parts of RD, 2-4 parts of N550,1-2 parts of TAIC, 3-4 parts of BIBP, 7-9 parts of DOS, Ca_Zn composite thermal stabilizers 3-5 Part, the polyethylene wax copolymer of ethylene/vinyl acetate（EVA）3-5 parts of polyethylene wax, 1-2 parts of zinc stearate.
As an improvement, EVA low-smoke halogen-free environments cable insulation material of the present invention is made of the raw material of following parts by weight： 100 parts of EVA40L-03,40 parts of EVA421,122 parts of aluminium hydroxide, 20 parts of white carbon, 2 parts of RD, 3 parts of N550, TAIC 1.5 Part, the polyethylene wax copolymer of 3.5 parts of BIBP, 8 parts of DOS, 4 parts of Ca_Zn composite thermal stabilizers, ethylene/vinyl acetate （EVA）4 parts of polyethylene wax, 1.5 parts of zinc stearate.
The beneficial effects of the present invention are：(1), the polyethylene wax copolymer of ethylene/vinyl acetate of the present invention（EVA）'s Polyethylene wax carries polar group in the structure, therefore can improve the compatibility and polar resin with inorganic matter in EVA insulating materials Compatibility, during avoiding use the migration of plasticizer extend the service life of insulating materials to material surface；Ethylene/acetic acid The polyethylene wax copolymer of vinyl acetate（EVA）Polyethylene wax addition, to make carbon black and inorganic combustion inhibitor be uniformly dispersed, drop Low material plasticity, makes processing be more prone to, and reduces energy loss；(2), insulating materials of the invention, stable chemical performance, electrically Well, weatherability is strong, resist cold reachable -40 DEG C, high temperature resistant up to 150 DEG C, insulation resistivity is up to 1015Ω .cm3 ranks, it is especially suitable For motorcycle track cable.
Specific implementation mode
With reference to embodiment, invention is further described in detail.
EVA material is E.I.Du Pont Company's manufacture production in the technical program, and other materials are intended to the limited public affairs of industry by Shanghai again Department provides.
Embodiment 1
The cable insulation material of the present embodiment is made of the raw material of following parts by weight：100 parts of EVA40L-03, EVA421 40 parts, 122 parts of aluminium hydroxide, 20 parts of white carbon, 2 parts of RD, 3 parts of N550,1.5 parts of TAIC, 3.5 parts of BIBP, 8 parts of DOS, The polyethylene wax copolymer of 4 parts of Ca_Zn composite thermal stabilizers, ethylene/vinyl acetate（EVA）4 parts of polyethylene wax, stearic 1.5 parts of sour zinc.
Obtained insulating materials specific performance index is：
Tensile strength 11.24MPa；
Elongation at break 250%；
Heat ageing（158℃168h）Strength retention ratio 1.10；
Reserved elongation at break 0.87；
Insulation resistivity 2.56 × 1015Ω.cm3；
Freezing crack elongation（-40℃）40%.
Embodiment 2
The cable insulation material of the present embodiment is made of the raw material of following parts by weight：90 parts of EVA40L-03, EVA421 50 Part, 125 parts of aluminium hydroxide, 10 parts of white carbon, 1 part of RD, 2 parts of N550,2 parts of TAIC, 3 parts of BIBP, 9 parts of DOS, Ca_Zn are multiple The polyethylene wax copolymer of 5 parts of heat stabilizer of conjunction, ethylene/vinyl acetate（EVA）5 parts of polyethylene wax, zinc stearate 2 Part.
Obtained insulating materials specific performance index is：
Tensile strength 11.5MPa；
Elongation at break 251%；
Heat ageing（158℃168h）Strength retention ratio 1.20；
Reserved elongation at break 0.86；
Insulation resistivity 2.57 × 1015Ω.cm3；
Freezing crack elongation（-40℃）42%.
Embodiment 3
The cable insulation material of the present embodiment is made of the raw material of following parts by weight：120 parts of EVA40L-03, EVA421 30 parts, 118 parts of aluminium hydroxide, 30 parts of white carbon, 4 parts of RD, 4 parts of N550,1 part of TAIC, 4 parts of BIBP, 7 parts of DOS, Ca_Zn The polyethylene wax copolymer of 3 parts of composite thermal stabilizer, ethylene/vinyl acetate（EVA）3 parts of polyethylene wax, zinc stearate 1 part.
Obtained insulating materials specific performance index is：
Tensile strength 12.1MPa；
Elongation at break 254%；
Heat ageing（158℃168h）Strength retention ratio 1.26；
Reserved elongation at break 0.84；
Insulation resistivity 2.58 × 1015Ω.cm3；
Freezing crack elongation（-40℃）41%.
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above example is only applicable to help to understand this The principle of inventive embodiments；Meanwhile for those of ordinary skill in the art, embodiment according to the present invention, in specific embodiment party There will be changes in formula and application range, in conclusion the content of the present specification should not be construed as limiting the invention.

Claims (2)

1. a kind of low-smoke halogen-free environment cable insulation material, it is characterised in that be made of the raw material of following parts by weight：EVA40L- 03 90-120 parts, 30-50 parts of EVA421,118-125 parts of aluminium hydroxide, 10-30 parts of white carbon, 1-4 parts of RD, N550 2-4 Part, 1-2 parts of TAIC, 3-4 parts of BIBP, 7-9 parts of DOS, 3-5 parts of Ca_Zn composite thermal stabilizers, ethylene/vinyl acetate it is poly- Ethylene waxes copolymer（EVA）3-5 parts of polyethylene wax, 1-2 parts of zinc stearate.
2. low-smoke halogen-free environment cable insulation material according to claim 1, it is characterised in that by the original of following parts by weight Material is made：100 parts of EVA40L-03,40 parts of EVA421,122 parts of aluminium hydroxide, 20 parts of white carbon, 2 parts of RD, 3 parts of N550, 1.5 parts of TAIC, 3.5 parts of BIBP, 8 parts of DOS, efficient 4 parts of Ca_Zn composite type heats stabilizer, ethylene/vinyl acetate it is poly- Ethylene waxes copolymer（EVA）4 parts of polyethylene wax, 1.5 parts of zinc stearate.
CN201610320849.6A 2016-05-16 2016-05-16 Low-smoke halogen-free environment cable insulation material Active CN105820431B (en)

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Application Number Priority Date Filing Date Title
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CN105820431B true CN105820431B (en) 2018-08-17

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106167575B (en) * 2016-08-29 2018-07-20 江苏申源新材料有限公司 A kind of preparation method of discoloration bird repellent cable insulation material
CN112409678A (en) * 2020-11-06 2021-02-26 远东电缆有限公司 Low-smoke halogen-free sheath material for wind power cable

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101928427B (en) * 2010-07-30 2012-10-24 句容广大实业有限公司 Low-smoke halogen-free flame-retardant insulating rubber with rated voltage of 750V for single-core cable for railway vehicles
CN103387708A (en) * 2013-08-09 2013-11-13 金陵科技学院 Method for preparing high temperature resistant EVA (ethylene vinyl-acetate) sealing material
CN104788835A (en) * 2014-05-30 2015-07-22 安徽天彩电缆集团有限公司 Chlorinated polyethylene cable sheath for cable used for coal cutter

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