CN106117738A - Electric wire organosilane crosslinked polyethylene insulation material and preparation method thereof - Google Patents
Electric wire organosilane crosslinked polyethylene insulation material and preparation method thereof Download PDFInfo
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- CN106117738A CN106117738A CN201610545195.7A CN201610545195A CN106117738A CN 106117738 A CN106117738 A CN 106117738A CN 201610545195 A CN201610545195 A CN 201610545195A CN 106117738 A CN106117738 A CN 106117738A
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- C—CHEMISTRY; METALLURGY
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- 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
- C08L23/06—Polyethene
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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
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- 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
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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
- C08J2323/06—Polyethene
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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
- C08J2423/08—Copolymers of ethene
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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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- 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
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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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Abstract
The present invention relates to insulant field, particularly relate to electric wire organosilane crosslinked polyethylene insulation material and preparation method thereof.Electric wire organosilane crosslinked polyethylene insulation material, this insulant is prepared by following component: LLDPE 7042, LDPE, silane coupler, crosslink agent DCP, antioxidant 300 and catalyst masterbatch;Described catalyst masterbatch is made up of following component: LLDPE 7042, LLDPE 8320, PP, antioxidant 1010, anti-oxidant DLTP, antioxidant 1024, organotin and fluorubber masterbatch.This material is mainly used in the insulating barrier of cable, and to replace current PVC material, 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
Technical field
The present invention relates to insulant field, particularly relate to electric wire organosilane crosslinked polyethylene insulation material and system thereof
Preparation 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 electric wire organosilane crosslinked polyethylene insulation
Material.This material is mainly used in the insulating barrier of cable, and to replace current PVC material, 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.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
Electric wire organosilane crosslinked polyethylene insulation material, this insulant is by weight percentage by following component
Prepare:
And catalyst masterbatch;
Described catalyst masterbatch is made up of following component:
As preferably, this insulant is prepared by following component by weight percentage:
And catalyst masterbatch;
Described catalyst masterbatch is made up of following component:
Two step method prepares the method for above-mentioned electric wire organosilane crosslinked polyethylene insulation material, and the method includes following
Step:
1) prepared by catalyst masterbatch: stirred in blender by above catalyst masterbatch material, and first stirring at low speed 1 minute is again
High-speed stirred 3 minutes, then release pour extruder hopper into, extruder temperature: 140~180 DEG C, after twin-screw extrusion through
Bosh cools down, then carries out pelletizing after blower fan dries up, and granule, at drying tower, arranges 80 DEG C and dries more than 2 hours
Then carry out packing, temporarily depositing with vacuum aluminium plastic bag;
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, LDPE, catalysis masterbatch are drawn into blender in proportion and mix, and suck after mix homogeneously
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 electric wire organosilane crosslinked polyethylene insulation material, and the method includes following
Step:
1) prepared by catalyst masterbatch: stirred in blender by above catalyst masterbatch material, and first stirring at low speed 1 minute is again
High-speed stirred 3 minutes, then release pour extruder hopper into, extruder temperature: 140~180 DEG C, after twin-screw extrusion through
Bosh cools down, then carries out pelletizing after blower fan dries up, and granule, at drying tower, arranges 80 DEG C and dries more than 2 hours
Then carry out packing, temporarily depositing with vacuum aluminium plastic bag;
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, LDPE, catalysis masterbatch are drawn in double conical rotary vessel in proportion, then that lid is airtight, open
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
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, the material of the present invention is mainly used in the insulating barrier of cable, to take
Being main for current PVC material, insulating properties are better than PVC, and PVC electric wire aging etc. on fire when can release poisonous and harmful
Gas, 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
Electric wire organosilane crosslinked polyethylene insulation material, this insulant is by weight percentage by following component
Prepare:
And catalyst masterbatch;
Described catalyst masterbatch is made up of following component:
Two step method prepares the method for electric wire organosilane crosslinked polyethylene insulation material, is mainly made up of two parts, and one
Being the preparation of catalyst masterbatch, two is prepared by finished product.
1, prepared by catalyst masterbatch:
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), cools down through supercooling tank after twin-screw extrusion, then through wind
Machine carries out pelletizing after drying up, granule drying tower (arranging 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) proportionally carry out mixing by silane coupler, cross-linking agent, antioxidant 300 (becoming silane after mixing to help
Agent), it is sufficiently mixed rear silane adjuvant stand-by;
2.2) LLDPE-7042, LDPE, catalysis masterbatch are proportionally drawn into blender and mix, after mix homogeneously
Sucking drying tower, set 60 DEG C, 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;
2.4) measure, pack and be finished product.
2.5) detecting product prepared as above, testing result is qualified.
Embodiment 2
Electric wire organosilane crosslinked polyethylene insulation material, this insulant is by weight percentage by following component
Prepare:
And catalyst masterbatch;
Described catalyst masterbatch is made up of following component:
Above-mentioned insulant uses the two step method of embodiment 1 to prepare insulant.
Embodiment 3
Electric wire organosilane crosslinked polyethylene insulation material, this insulant is by weight percentage by following component
Prepare:
And catalyst masterbatch;
Described catalyst masterbatch is made up of following component:
One-step method prepares the method for electric wire organosilane crosslinked polyethylene insulation material, is mainly made up of two parts, and one
Being the preparation of catalyst masterbatch, two is prepared by finished product.
1) prepared by catalyst masterbatch: stirred in blender by above catalyst masterbatch material, and first stirring at low speed 1 minute is again
High-speed stirred 3 minutes, then release pour extruder hopper into, extruder temperature: 140~180 DEG C, after twin-screw extrusion through
Bosh cools down, then carries out pelletizing after blower fan dries up, and granule, at drying tower, arranges 80 DEG C and dries more than 2 hours
Then carry out packing, temporarily depositing with vacuum aluminium plastic bag;
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, LDPE, catalysis masterbatch are drawn in double conical rotary vessel in proportion, then that lid is airtight, open
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
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
Electric wire organosilane crosslinked polyethylene insulation material, this insulant is by weight percentage by following component
Prepare:
And catalyst masterbatch;
Described catalyst masterbatch is made up of following component:
Above-mentioned insulant uses the one-step method of embodiment 3 to prepare insulant.
Claims (2)
1. electric wire organosilane crosslinked polyethylene insulation material, it is characterised in that this insulant by weight percentage by with
Under component prepare:
And catalyst masterbatch;
Described catalyst masterbatch is made up of following component:
Electric wire organosilane crosslinked polyethylene insulation material the most according to claim 1, it is characterised in that this insulation material
Material is prepared by following component by weight percentage:
And catalyst masterbatch;
Described catalyst masterbatch is made up of following component:
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CN201610545195.7A CN106117738A (en) | 2016-07-08 | 2016-07-08 | Electric wire organosilane crosslinked polyethylene insulation material and preparation method thereof |
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CN201610545195.7A CN106117738A (en) | 2016-07-08 | 2016-07-08 | Electric wire organosilane crosslinked polyethylene insulation material and preparation method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110240744A (en) * | 2019-05-05 | 2019-09-17 | 浙江太湖远大新材料股份有限公司 | A kind of organosilane cross-linked poly-ethylene cable insulating materials |
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CN101585214A (en) * | 2009-06-18 | 2009-11-25 | 上海交通大学 | Method for preparing crosslinkable polyethylene cable material |
CN102321295A (en) * | 2011-09-29 | 2012-01-18 | 广州凯恒科塑有限公司 | Low smoke zero halogen flame-retardant mould shrinkage sleeve and preparation method as well as application thereof |
CN102443212A (en) * | 2011-09-16 | 2012-05-09 | 无锡丰力弹簧有限公司 | Special material for quick organosilane crosslinked polyethylene and preparation method of special material |
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 |
CN104177695A (en) * | 2014-09-17 | 2014-12-03 | 朱忠良 | Crosslinked halogen-free flame-retardant cable material |
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2016
- 2016-07-08 CN CN201610545195.7A patent/CN106117738A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101585214A (en) * | 2009-06-18 | 2009-11-25 | 上海交通大学 | Method for preparing crosslinkable polyethylene cable material |
CN102443212A (en) * | 2011-09-16 | 2012-05-09 | 无锡丰力弹簧有限公司 | Special material for quick organosilane crosslinked polyethylene and preparation method of special material |
CN102321295A (en) * | 2011-09-29 | 2012-01-18 | 广州凯恒科塑有限公司 | Low smoke zero halogen flame-retardant mould shrinkage sleeve and preparation method as well as application 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 |
CN104177695A (en) * | 2014-09-17 | 2014-12-03 | 朱忠良 | Crosslinked halogen-free flame-retardant cable material |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110240744A (en) * | 2019-05-05 | 2019-09-17 | 浙江太湖远大新材料股份有限公司 | A kind of organosilane cross-linked poly-ethylene cable insulating materials |
CN110240744B (en) * | 2019-05-05 | 2023-03-10 | 浙江太湖远大新材料股份有限公司 | Silane crosslinked polyethylene cable insulating material |
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Application publication date: 20161116 |