CN106188806A - Silver gray aerial insulated cable Insulation Material and preparation method thereof - Google Patents

Silver gray aerial insulated cable Insulation Material and preparation method thereof Download PDF

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Publication number
CN106188806A
CN106188806A CN201610550794.8A CN201610550794A CN106188806A CN 106188806 A CN106188806 A CN 106188806A CN 201610550794 A CN201610550794 A CN 201610550794A CN 106188806 A CN106188806 A CN 106188806A
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China
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insulant
silver gray
masterbatch
insulated cable
prepared
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CN201610550794.8A
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Chinese (zh)
Inventor
赵勇
李顺利
俞丽琴
蔡煜明
郑颜
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Long-Range New Material Ltd Co Of Zhejiang Taihu
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Long-Range New Material Ltd Co Of Zhejiang Taihu
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Priority to CN201610550794.8A priority Critical patent/CN106188806A/en
Publication of CN106188806A publication Critical patent/CN106188806A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815Copolymers of ethene with aliphatic 1-olefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators 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
    • H01B3/44Insulators 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
    • H01B3/441Insulators 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/202Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/066LDPE (radical process)

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

Abstract

The present invention relates to insulant field, particularly relate to silver gray aerial insulated cable insulant and preparation method thereof.This insulant is prepared by following component by weight percentage: LLDPE 7042, LLDPE 8320, LDPE, silane coupler, crosslink agent DCP, antioxidant 300, antioxidant 1010, anti-oxidant DLTP, organotin, fluorubber masterbatch, silver gray masterbatch and UV absorbent.The present invention to be used for setting up aerial wire transfer electricity consumption, and insulating properties are better than PVC, and PVC electric wire aging etc. on fire when can release toxic and harmful, and silane Insulation Material is nontoxic.

Description

Silver gray aerial insulated cable Insulation Material and preparation method thereof
Technical field
The present invention relates to insulant field, particularly relate to silver gray aerial insulated cable insulant and preparation side thereof Method.
Background technology
Cable industry uses polyolefinic kind mainly to have PE, PP, EVA and EEA etc., and wherein relative quantity is big, applicating history Long is mainly PE, and it has HDPE, MDPE, LDPE, LLDPE and the XLPE through crosslinking, and their application does not the most need to speak more.OK In industry, the most polyolefinic application and development trend are concentrated mainly on following several respects:
(1) seriation of low smoke, zero halogen material, improvement
Halide-free low-smoke fireproof cable material is development in recent years kind faster, meets the thermoplastic of IEC92-359 standard-required Moulding mixture is the most increasingly widely applied.Use along with oil platform, nuclear power station, cable for ship and other bad environments The requirement of occasion, the range of application of cross-linking type low smoke, zero halogen CABLE MATERIALS will be increasing.
(2) resistance to electricity trace material
Resistance to electricity trace CABLE MATERIALS is as the popularization and application of ADSS (All Dielectric Self-Supporting Aerial Optical Fiber Cable), and gradually causes everybody Attention.In fact, have the trace requirement of resistance to electricity at 10kV and above aerial cable for producing corona under preventing at damp condition, by In its insulant (XLPE, HDPE), itself there is certain resistance to electricity trace, substantially can guarantee that the requirement of aerial cable resistance to electricity trace, So problem does not highlight.And ADSS mainly sets up along the high-tension line of 110KV, 220KV, the electric erosion resistance of its sheath will Directly affect cable lifetime, therefore the resistance to electricity trace of sheath material is had more harsh requirement, i.e. apply actually used pulling force 90% tension force in the case of, carry out 1000 hours resistance to electricity trace test, it needs this custom-designed formula system promising, wherein Key be resistance to electricity the use of trace agent, superior physical and mechanical properties, the balance of good process processability.At present, English, moral, The life search of ADSS is also being continued by Mei Deng state, and the most how its emphasis improves is placed in cable sheath material in space electric field Electrical erosion resistance.
(3) crosslinked with silicane material
Organosilane crosslinked polyethylene insulation material commonly uses in 3KV and following power cable.Along with crosslinked with silicane technology Universal, other has product to come out such as crosslinked with silicane strippable shielding material, LSOH anti-flaming material, second the third CABLE MATERIALS the most in succession.State On inherent crosslinked with silicane strippable shielding material, existing producer works, and silane crosslinked halogen-free flame-retardant material, second the third CABLE MATERIALS are still Few understand for everybody, certainly let alone apply.
(4) cross-linking radiation polyolefin material
Cross-linking radiation material and technology have obtained the application of maturation on power cable, aerial cable and equipment line.Many institutes Known, 105 DEG C and temperature below grade in industry, requirement all can be met with XLPE, XLPVC or PVC, more than 150 DEG C, silicon The application of the kinds such as rubber, fluoroplastics, polyimides is the most ripe, but answering in medium temperature grade (such as 125 DEG C, 150 DEG C) With in exploitation, bigger with external gap.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide silver gray aerial insulated cable insulation material Material.This material is mainly used in setting up aerial wire transfer electricity consumption.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
Silver gray aerial insulated cable insulant, this insulant is prepared by following component by weight percentage Obtain:
As preferably, this insulant is prepared by following component by weight percentage:
Two step method prepares the method for above-mentioned silver gray aerial insulated cable insulant, and the method includes following step Rapid:
1) prepared by catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, anti-oxidant DLTP, fluorubber Masterbatch, silver gray masterbatch and UV absorbent;
Above material is stirred in blender, first stirring at low speed 1 minute high-speed stirred 3 minutes again, then release and pour into Extruder hopper, extruder temperature: 140~180 DEG C, cool down through supercooling tank after twin-screw extrusion, then through wind Machine carries out pelletizing after drying up, granule at drying tower, arrange 80 DEG C dry more than 2 hours then with vacuum aluminium plastic bag carry out packing, Temporarily deposit;
2) prepared by finished product:
2.1) silane coupler, crosslink agent DCP, antioxidant 300 are proportionally mixed, become silane after mixing and help Agent, is sufficiently mixed rear silane adjuvant stand-by;
2.2) LLDPE-7042, LLDPE-8320, catalysis masterbatch are drawn into blender in proportion and mix, mix homogeneously Rear suction drying tower, sets 60 DEG C, and drying time is more than half an hour, and material sucks raw material feed bin afterwards;
2.3) above material joins double screw extruder through weighing balance auto feed, by the silane adjuvant that prepared also Joining twin screw through weighing balance in the secondth district, above material is grafted at twin screw;
2.4) material after twin screw is grafted is through Single screw extrusion, eccentric water smoke pelletizing, is transported to take off through transportation water pump Water machine, through dehydration after be delivered to ebullated bed by conveying fan, by control material position height material is fully dried, after by Suction feeder sucks finished product bin;
2.5) measure, pack and be finished product.
One-step method prepares the method for above-mentioned silver gray aerial insulated cable Insulation Material, and the method includes following step Rapid:
1) prepared by catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, anti-oxidant DLTP, fluorubber Masterbatch, silver gray masterbatch and UV absorbent;
Above material is stirred in blender, first stirring at low speed 1 minute high-speed stirred 3 minutes again, then release and pour into Extruder hopper, extruder temperature: 140~180 DEG C, cool down through supercooling tank after twin-screw extrusion, then through wind Machine carries out pelletizing after drying up, granule at drying tower, arrange 80 DEG C dry more than 2 hours then with vacuum aluminium plastic bag carry out packing, Temporarily deposit;
2) prepared by finished product:
2.1) silane coupler, crosslink agent DCP, antioxidant 300 are proportionally mixed, become silane after mixing and help Agent, is sufficiently mixed rear silane adjuvant stand-by;
2.2) carry out being heated to 90 DEG C by main equipment double conical rotary vessel;
2.3) LLDPE-7042, LLDPE-8320, catalysis masterbatch are drawn in double conical rotary vessel in proportion, then that lid is close Close, open double conical rotary vessel and be dried, mix;
2.4) above dry materials, mixing 2.5 hours after, by liquid spraying device, standby silane adjuvant is joined In material;
2.5) silane adjuvant is released after the absorption of 2.5 hours;
2.6) measure, pack and be finished product.
Due to the fact that and have employed above-mentioned technical scheme, be mainly used in setting up aerial wire transfer electricity consumption, insulating properties Can be better than PVC, and PVC electric wire aging etc. on fire when can release toxic and harmful, and silane Insulation Material is nontoxic.
Use the production of the present invention, screw speed and current stabilization, produce 240mm2, payingoff speed per minute 4.5 Rice;When extrusion, plastic emitting is uniform, and without granule, start occurs for 12 days without old glue continuously;Cable heat extend detection 70%~ 80%, permanent deformation is in the range of 0~5%;Partial Discharge Detection is within 2PC, and industrial frequency withstand voltage tests 30 minutes without puncturing;Half Finished product, finished product detection all meet GB/T 12706-2002 requirement.
The product of the present invention compares with polrvinyl chloride, and thermal denaturation resistant is better than PvC, and anti-overload ability is strong.Short circuit operation temperature Reach as high as 250 DEG C.And PVC poor heat resistance, its 80 DEG C continue its degeneration of 4h up to 50%.Easily cause when cable overlond running Insulation ag(e)ing and soften degeneration and cause and puncture, PVC is aging causes Cable Firing Accident to account for the 50% of electricity fire incident sum;Hand over Connection density of pe is less by about 40% than polrvinyl chloride, can substantially alleviate the quality of cable.Compare with thermoplastic polyethylene, carry High resistance to heat distorsion, improves the mechanical property under high temperature, improves environmental stress resistance be full of cracks and heat aging property, strengthen Chemical-resistant stability and solvent resistance, decrease cold flow properties, and insulation resistance is high, and dielectric loss angle tangent is little, the most not with The change of temperature and change, substantially maintain original electric property.
Detailed description of the invention
Embodiment 1
Silver gray aerial insulated cable insulant, this insulant is prepared by following component by weight percentage Obtain:
Two step method prepares the method for silver gray aerial insulated cable insulant, is mainly made up of two parts, and one is to urge The preparation of agent masterbatch, two is prepared by finished product.
1) prepared by catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, anti-oxidant DLTP, fluorubber Masterbatch, silver gray masterbatch and UV absorbent;
Above material is stirred in blender, first stirring at low speed 1 minute high-speed stirred 3 minutes again, then release and pour into Extruder hopper, extruder temperature: 140~180 DEG C, cool down through supercooling tank after twin-screw extrusion, then through wind Machine carries out pelletizing after drying up, granule at drying tower, arrange 80 DEG C dry more than 2 hours then with vacuum aluminium plastic bag carry out packing, Temporarily deposit.
2) prepared by finished product:
2.1) silane coupler, crosslink agent DCP, antioxidant 300 are proportionally mixed, become silane after mixing and help Agent, is sufficiently mixed rear silane adjuvant stand-by;
2.2) LLDPE-7042, LLDPE-8320, catalysis masterbatch are drawn into blender in proportion and mix, mix homogeneously Rear suction drying tower, sets 60 DEG C, and drying time is more than half an hour, and material sucks raw material feed bin afterwards;
2.3) above material joins double screw extruder through weighing balance auto feed, by the silane adjuvant that prepared also Joining twin screw through weighing balance in the secondth district, above material is grafted at twin screw;
2.4) material after twin screw is grafted is through Single screw extrusion, eccentric water smoke pelletizing, is transported to take off through transportation water pump Water machine, through dehydration after be delivered to ebullated bed by conveying fan, by control material position height material is fully dried, after by Suction feeder sucks finished product bin;
2.6) measure, pack and be finished product.
3) detecting product prepared as above, testing result is qualified.
Embodiment 2
Silver gray aerial insulated cable insulant, this insulant is prepared by following component by weight percentage Obtain:
Above-mentioned insulant uses the two step method of embodiment 1 to prepare insulant.
Embodiment 3
Silver gray aerial insulated cable insulant, this insulant is prepared by following component by weight percentage Obtain:
One-step method prepares the method for silver gray aerial insulated cable insulant.Mainly being made up of two parts, one is to urge The preparation of agent masterbatch, two is prepared by finished product.
1) prepared by catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, anti-oxidant DLTP, fluorubber Masterbatch, silver gray masterbatch and UV absorbent;
Above material is stirred in blender, first stirring at low speed 1 minute high-speed stirred 3 minutes again, then release and pour into Extruder hopper, extruder temperature: 140~180 DEG C, cool down through supercooling tank after twin-screw extrusion, then through wind Machine carries out pelletizing after drying up, granule at drying tower, arrange 80 DEG C dry more than 2 hours then with vacuum aluminium plastic bag carry out packing, Temporarily deposit.
2) prepared by finished product:
2.1) silane coupler, crosslink agent DCP, antioxidant 300 are proportionally mixed, become silane after mixing and help Agent, is sufficiently mixed rear silane adjuvant stand-by;
2.2) carry out being heated to 90 DEG C by main equipment double conical rotary vessel;
2.3) LLDPE-7042, LLDPE-8320, catalysis masterbatch are drawn in double conical rotary vessel in proportion, then that lid is close Close, open double conical rotary vessel and be dried, mix;
2.4) above dry materials, mixing 2.5 hours after, by liquid spraying device, standby silane adjuvant is joined In material;
2.5) silane adjuvant is released after the absorption of 2.5 hours;
2.6) measure, pack and be finished product.
3) detecting product prepared as above, testing result is qualified.
Embodiment 4
Silver gray aerial insulated cable insulant, this insulant is prepared by following component by weight percentage Obtain:
Above-mentioned insulant uses the one-step method of embodiment 3 to prepare insulant.

Claims (2)

1. silver gray aerial insulated cable insulant, it is characterised in that this insulant is by weight percentage by following Component prepares:
Silver gray aerial insulated cable insulant the most according to claim 1, it is characterised in that this insulant is pressed Percentage by weight meter is prepared by following component:
CN201610550794.8A 2016-07-08 2016-07-08 Silver gray aerial insulated cable Insulation Material and preparation method thereof Pending CN106188806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610550794.8A CN106188806A (en) 2016-07-08 2016-07-08 Silver gray aerial insulated cable Insulation Material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610550794.8A CN106188806A (en) 2016-07-08 2016-07-08 Silver gray aerial insulated cable Insulation Material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106188806A true CN106188806A (en) 2016-12-07

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102746548A (en) * 2012-06-04 2012-10-24 安徽扬天塑业科技有限公司 Water distillation-free rapid silane natural crosslinking polyethylene cable material and preparation method thereof
CN104130492A (en) * 2014-07-25 2014-11-05 贵州凯科特材料有限公司 One-step silicane cross-linked polyethylene cable material and preparation method thereof
CN105017632A (en) * 2015-07-29 2015-11-04 镇国广 Production method of special material for silane crosslinked polyethylene

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102746548A (en) * 2012-06-04 2012-10-24 安徽扬天塑业科技有限公司 Water distillation-free rapid silane natural crosslinking polyethylene cable material and preparation method thereof
CN104130492A (en) * 2014-07-25 2014-11-05 贵州凯科特材料有限公司 One-step silicane cross-linked polyethylene cable material and preparation method thereof
CN105017632A (en) * 2015-07-29 2015-11-04 镇国广 Production method of special material for silane crosslinked polyethylene

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