CN106009235A - Method for preparing insulating material for black aerial insulated cables through one step - Google Patents
Method for preparing insulating material for black aerial insulated cables through one step Download PDFInfo
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- CN106009235A CN106009235A CN201610547673.8A CN201610547673A CN106009235A CN 106009235 A CN106009235 A CN 106009235A CN 201610547673 A CN201610547673 A CN 201610547673A CN 106009235 A CN106009235 A CN 106009235A
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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
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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
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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
- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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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
- C08L2312/00—Crosslinking
- C08L2312/08—Crosslinking by silane
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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- Mechanical Engineering (AREA)
- Organic Insulating Materials (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Abstract
The invention relates to the field of insulating materials, in particular to an insulating material for black aerial insulated cables. A method for preparing the insulating material for the black aerial insulated cables through one step mainly comprises the two steps of catalyst master batch preparation and finished product preparation. The insulating material is prepared from, by weight, LLDPE-7042, LLDPE-8320, LDPE, a silane coupling agent, a cross-linking agent DCP, an antioxidant 300, an antioxidant 1010, an antioxidant DLTP, organotin, fluororubber master batches and black master batches. The insulating material is used for erecting overhead wires to transmit electricity, the insulating property is superior to that of PVC, PVC can emit toxic and harmful gases when the wires fire due to aging and the like, but the silane insulating material is poisonless and harmless.
Description
Technical field
The present invention relates to insulant field, particularly relate to black aerial insulated cable insulant.
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 black aerial insulated cable insulant.
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:
Black aerial insulated cable insulant, this insulant is prepared into by following component by weight percentage
Arrive:
As preferably, this insulant is prepared by following component by weight percentage:
Two step method prepares the method for above-mentioned black 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, black master batch；
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 black aerial insulated cable Insulation Material, and the method comprises the following steps:
1) prepared by catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, anti-oxidant DLTP, fluorubber
Masterbatch, black master batch；
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
Black aerial insulated cable insulant, this insulant is prepared into by following component by weight percentage
Arrive:
Two step method prepares the method for black aerial insulated cable insulant, is mainly made up of two parts, and one is catalysis
The preparation of masterbatch, two is prepared by finished product.
1) prepared by catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, anti-oxidant DLTP, fluorubber
Masterbatch, black master batch；
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
Black aerial insulated cable insulant, this insulant is prepared into by following component by weight percentage
Arrive:
Above-mentioned insulant uses the two step method of embodiment 1 to prepare insulant.
Embodiment 3
Black aerial insulated cable insulant, this insulant is prepared into by following component by weight percentage
Arrive:
One-step method prepares the method for black aerial insulated cable insulant.Mainly being made up of two parts, one is catalysis
The preparation of masterbatch, two is prepared by finished product.
1) prepared by catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, anti-oxidant DLTP, fluorubber
Masterbatch, black master batch；
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
Black aerial insulated cable insulant, this insulant is prepared into by following component by weight percentage
Arrive:
Above-mentioned insulant uses the one-step method of embodiment 3 to prepare insulant.
Claims (2)
1. the method that one-step method prepares black aerial insulated cable insulant, it is characterised in that this insulant by weight hundred
Proportion by subtraction meter is prepared by following component:
The method comprises the following steps:
1) prepared by catalyst masterbatch: catalyst masterbatch is LDPE, organotin, antioxidant 1010, anti-oxidant DLTP, fluorubber female
Material, black master batch；
Above material is stirred in blender, first stirring at low speed 1 minute high-speed stirred 3 minutes again, then release and pour extrusion into
Machine hopper, extruder temperature: 140～180 DEG C, cool down through supercooling tank after twin-screw extrusion, then blow through blower fan
Carry out pelletizing after Gan, 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, after mixing, become silane adjuvant,
It 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 airtight,
Open double conical rotary vessel to be dried, mix；
2.4) above dry materials, mixing 2.5 hours after, by liquid spraying device, standby silane adjuvant is joined material
In；
2.5) silane adjuvant is released after the absorption of 2.5 hours；
2.6) measure, pack and be finished product.
One-step method the most according to claim 1 prepares the method for black aerial insulated cable insulant, and its feature exists
Prepared by following component by weight percentage in this insulant:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547673.8A CN106009235A (en) | 2016-07-08 | 2016-07-08 | Method for preparing insulating material for black aerial insulated cables through one step |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547673.8A CN106009235A (en) | 2016-07-08 | 2016-07-08 | Method for preparing insulating material for black aerial insulated cables through one step |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633754A (en) * | 2009-05-22 | 2010-01-27 | 上海凯波特种电缆料厂有限公司 | Oil resistant type silane natural cross-linking low smoke halogen-free flame retardant polyolefin cable material and preparation method thereof |
| 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 |
-
2016
- 2016-07-08 CN CN201610547673.8A patent/CN106009235A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633754A (en) * | 2009-05-22 | 2010-01-27 | 上海凯波特种电缆料厂有限公司 | Oil resistant type silane natural cross-linking low smoke halogen-free flame retardant polyolefin cable material and preparation method thereof |
| 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 |
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Application publication date: 20161012 |