CN110194869A - A kind of coal mine low cigarette electro-insulating rubber and preparation method thereof - Google Patents
A kind of coal mine low cigarette electro-insulating rubber and preparation method thereof Download PDFInfo
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- CN110194869A CN110194869A CN201910627117.5A CN201910627117A CN110194869A CN 110194869 A CN110194869 A CN 110194869A CN 201910627117 A CN201910627117 A CN 201910627117A CN 110194869 A CN110194869 A CN 110194869A
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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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/22—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
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
Abstract
The present invention provides a kind of coal mine low cigarette electro-insulating rubbers and preparation method, specifically disclose the ingredient of rubber, the preparation method of the low cigarette insulating rubber material of coal mine, which comprises the following steps: (1) ingredient: weigh raw material respectively according to parts by weight；(2) it is kneaded: above-mentioned raw materials being kneaded using mixer；(3) it filters rubber: the rubber being kneaded is filtered processing through filtering rubber machine；(4) mill: the rubber after filter rubber is moved into open mill and carries out mill, turns over packet 2-3 times；(5) add sulphur: the rubber after parking being carried out using mixer plus sulphur is kneaded；(6) slice, (7) extrusion molding slice: are carried out to the rubber for adding sulphur with cold machine using calender.This method improves cable current-carrying capability, the ingredient of adjustment formula chinese raw materials meets the requirements its low smoke and zero halogen performance by reducing dielectric loss angle tangent tan δ.
Description
Technical field
The invention is related to field of cable technology, is specifically a kind of coal mine low cigarette electro-insulating rubber and its preparation side
Method.
Background technique
Ethylene propylene diene rubber as excellent insulating materials due to excellent comprehensive performance, in coal mine cable,
It is widely used.Ethylene propylene diene rubber is other than with excellent properties, and raw material sources are abundant, and manufacturing process is simple,
Cheap, specific gravity is small, and the Unit Weight consumption of product is few.Currently, being acknowledged as heat-resisting 90 DEG C of insulating materials and high pressure is exhausted
Edge rubber completely or partially replaces traditional butadiene-styrene rubber and butyl rubber in many cable products.Ethylene propylene diene rubber is
Using ethylene, propylene as monomer, uses alkyl aluminium halide and vfanadium compound for catalyst system, a small amount of non-conjugated diene conduct is added afterwards
Third monomer is copolymerized, and copolymerization forms ethylene propylene diene rubber.
And the dielectric loss of existing ethylene propylene diene rubber is serious, dielectric loss angle tangent tan δ is larger, and insulating layer is easily sent out
Heat reduces the current-carrying capability of cable, can not mitigate cable weight and the outside diameter of cable.And existing ethylene propylene diene rubber low smoke and zero halogen
Performance is poor, is unable to satisfy the needs of coal mine low smoke and zero halogen rubber cable.
Summary of the invention
The invention patent technical problems to be solved are to research and develop a kind of coal mine low smoke and zero halogen low dielectric loss EPDM insulation
Rubber improves cable current-carrying capability, the ingredient of adjustment formula chinese raw materials makes by reducing dielectric loss angle tangent tan δ
Its low smoke and zero halogen performance is met the requirements.
The technical scheme is that
A kind of low cigarette electro-insulating rubber of coal mine, which is characterized in that
The rubber raw materials as unit of weight, total number be 100 parts, including EPDM K210 take 60~100 parts,
EPE-16 take 15~25 parts, A-172 coupling agent take 1~3 part, DCP take 5~20 parts, MDMA crosslinking agent take 5~10 part, nanometer work
Property zinc oxide take 4~5 parts, calcining nanoclay take 10~30 parts, MB anti-aging agent take 1~5 part, it is 1~5 part of XH-3 anti-aging agent, micro-
Brilliant wax take 3~5 parts, tear-proof auxiliary agent take 1~5 part, stearic acid take 1~3 part.
Further improvement of these options, the rubber raw materials are as unit of weight, it is preferred that wherein EPDMK210
80 parts, 20 parts of EPE-16,1 part of A-172 coupling agent, 8 parts of DCP, 10 parts of MDMA crosslinking agent, 4 parts of nanometer active zinc oxide, calcining
20 parts of nanoclay, 5 parts of MB anti-aging agent, XH-3 anti-aging agent, 5 parts of microwax, 2 parts of tear-proof auxiliary agent, 1 part of stearic acid.
A kind of preparation method of the low cigarette insulating rubber material of coal mine as described in claim 1, which is characterized in that packet
Include following steps:
(1) ingredient: weigh raw material respectively according to parts by weight: EPDM K210 take 60~100 parts, EPE-16 take 15~25
Part, A-172 coupling agent take 1~3 part, DCP take 5~20 parts, MDMA crosslinking agent take 5~10 parts, nanometer active zinc oxide take 4~5
Part, calcining nanoclay take 10~30 parts, MB anti-aging agent take 1~5 part, 1~5 part of XH-3 anti-aging agent, microwax take 3~5 parts, it is anti-
Tearing auxiliary agent take 1~5 part, stearic acid take 1~3 part.
(2) it is kneaded: above-mentioned raw materials being kneaded using mixer, be firstly added EPDM K210, EPE-16, calcining are received
Rice clay, MB anti-aging agent, XH-3 anti-aging agent, microwax, tear-proof auxiliary agent, stearic acid, mixing time 4-5min, melting temperature
100 ± 5 DEG C, after the rubber being kneaded parked at least 12h；
(3) it filters rubber: the rubber being kneaded is filtered processing through filtering rubber machine；
(4) mill: the rubber after filter rubber is moved into open mill and carries out mill, turns over packet 2-3 times；
(5) add sulphur: the rubber after parking being carried out using mixer plus sulphur is kneaded, A-172 is added in the rubber after parking
Then coupling agent, DCP, MDMA crosslinking agent, nanometer active zinc oxide carry out being kneaded and dumping are handled；
(6) slice: carrying out slice to the rubber for adding sulphur with cold machine using calender,
The calender that the rubber of sulphur will be added to pass through is pressed into sheet rubber, afterwards by the circulating chilled water in cold machine to rubber
Piece is cooled down.Cold machine linear speed should work good with calender, regulate and control cooling cylinder water；
(7) it extrusion molding: squeezes out to obtain low smoke and zero halogen low dielectric loss EPDM rubber using Rubber Extruder, by steam
It is crosslinked pipe and carries out steam vulcanization (cure) molding.
Further improvement of these options, in step (3), 45-65 DEG C of head constant temperature, 45-65 DEG C of fuselage constant temperature, filter
Net is filtered using 1 × 20+1 × 40+1 × 60 × 1 × 80, and filter 23-4 times.
Further improvement of these options, in step (5), mixing time 2-3min, 50-65 DEG C of dump temperature；
In step (6), the calender that the temperature of calender is 40-45 DEG C, the sheet rubber thickness control of compacting is in 0.8-
0.9mm, wide 700-750mm.
Further improvement of these options, in step (7), the feed opening temperature of Rubber Extruder is controlled at 60-70 DEG C,
At 50-60 DEG C, head temperature is controlled at 70-80 DEG C for body temperature control；
Vapor crosslinking pipe Steam pressure control is in 0.8-1.3Mpa.
Beneficial effect
The present invention improves cable current-carrying capability, adjustment formula chinese raw materials by reducing dielectric loss angle tangent tan δ
Ingredient, meet the requirements its low smoke and zero halogen performance.
Specific embodiment
The present invention is further explained in the light of specific embodiments；
A kind of low cigarette electro-insulating rubber of coal mine, which is characterized in that
The rubber raw materials as unit of weight, total number be 100 parts, including EPDM K210 take 60~100 parts,
EPE-16 take 15~25 parts, A-172 coupling agent take 1~3 part, DCP take 5~20 parts, MDMA crosslinking agent take 5~10 part, nanometer work
Property zinc oxide take 4~5 parts, calcining nanoclay take 10~30 parts, MB anti-aging agent take 1~5 part, it is 1~5 part of XH-3 anti-aging agent, micro-
Brilliant wax take 3~5 parts, tear-proof auxiliary agent take 1~5 part, stearic acid take 1~3 part.
Further improvement of these options, the rubber raw materials are as unit of weight, it is preferred that wherein EPDMK210
80 parts, 20 parts of EPE-16,1 part of A-172 coupling agent, 8 parts of DCP, 10 parts of MDMA crosslinking agent, 4 parts of nanometer active zinc oxide, calcining
20 parts of nanoclay, 5 parts of MB anti-aging agent, XH-3 anti-aging agent, 5 parts of microwax, 2 parts of tear-proof auxiliary agent, 1 part of stearic acid.The application
There are three embodiments for tool, and wherein optimum embodiment is this component.
A kind of preparation method of the low cigarette insulating rubber material of coal mine, which comprises the following steps:
(1) ingredient: weigh raw material respectively according to parts by weight: EPDM K210 take 60~100 parts, EPE-16 take 15~25
Part, A-172 coupling agent take 1~3 part, DCP take 5~20 parts, MDMA crosslinking agent take 5~10 parts, nanometer active zinc oxide take 4~5
Part, calcining nanoclay take 10~30 parts, MB anti-aging agent take 1~5 part, 1~5 part of XH-3 anti-aging agent, microwax take 3~5 parts, it is anti-
Tearing auxiliary agent take 1~5 part, stearic acid take 1~3 part.
(2) it is kneaded: above-mentioned raw materials being kneaded using mixer, be firstly added EPDM K210, EPE-16, calcining are received
Rice clay, MB anti-aging agent, XH-3 anti-aging agent, microwax, tear-proof auxiliary agent, stearic acid, mixing time 4-5min, melting temperature
100 ± 5 DEG C, after the rubber being kneaded parked at least 12h；
(3) it filters rubber: the rubber being kneaded is filtered processing through filtering rubber machine；
(4) mill: the rubber after filter rubber is moved into open mill and carries out mill, turns over packet 2-3 times；
(5) add sulphur: the rubber after parking being carried out using mixer plus sulphur is kneaded, A-172 is added in the rubber after parking
Then coupling agent, DCP, MDMA crosslinking agent, nanometer active zinc oxide carry out being kneaded and dumping are handled；
(6) slice: carrying out slice to the rubber for adding sulphur with cold machine using calender,
The calender that the rubber of sulphur will be added to pass through is pressed into sheet rubber, afterwards by the circulating chilled water in cold machine to rubber
Piece is cooled down.Cold machine linear speed should work good with calender, regulate and control cooling cylinder water；
(7) it extrusion molding: squeezes out to obtain low smoke and zero halogen low dielectric loss EPDM rubber using Rubber Extruder, by steam
It is crosslinked pipe and carries out steam vulcanization (cure) molding.
Further improvement of these options, in step (3), 45-65 DEG C of head constant temperature, 45-65 DEG C of fuselage constant temperature, filter
Net is filtered using 1 × 20+1 × 40+1 × 60 × 1 × 80, and filter 23-4 times.
Further improvement of these options, in step (5), mixing time 2-3min, 50-65 DEG C of dump temperature；
In step (6), the calender that the temperature of calender is 40-45 DEG C, the sheet rubber thickness control of compacting is in 0.8-
0.9mm, wide 700-750mm.
Further improvement of these options, in step (7), the feed opening temperature of Rubber Extruder is controlled at 60-70 DEG C,
At 50-60 DEG C, head temperature is controlled at 70-80 DEG C for body temperature control；
Vapor crosslinking pipe Steam pressure control is in 0.8-1.3Mpa.
The comparison of table 1 three groups of embodiments and common ethylene propylene diene rubber physical property
As shown in Table 1, the low smoke and zero halogen low dielectric loss ethylene propylene diene rubber being prepared using the embodiment of the present invention three is resisted
Zhang Qiangdu, elongation at break properties are excellent, and dielectric constant ξ r, dielectric loss angle tangent value tan δ are smaller, meet low dielectric loss requirement,
PH value, conductivity, HCl and HBr, HF index meet the requirement of low smoke and zero halogen.
Finally it should be noted that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it, to the greatest extent
Pipe is described the invention in detail referring to example, those skilled in the art should understand that, it can be to of the invention
Technical solution is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered
In scope of the presently claimed invention.
Claims (6)
1. a kind of low cigarette electro-insulating rubber of coal mine, which is characterized in that
The rubber raw materials as unit of weight, including EPDM K210 take 60~100 parts, EPE-16 take 15~25 parts, A-
172 coupling agents take 1~3 part, DCP takes 5~20 parts, MDMA crosslinking agent takes 5~10 parts, nanometer active zinc oxide takes 4~5 parts, forges
Burn nanoclay take 10~30 parts, MB anti-aging agent take 1~5 part, 1~5 part of XH-3 anti-aging agent, microwax take 3~5 parts, tear-proof
Auxiliary agent take 1~5 part, stearic acid take 1~3 part.
2. a kind of low cigarette electro-insulating rubber of coal mine, which is characterized in that
The rubber raw materials are as unit of weight, it is preferred that wherein 80 parts of EPDM K210,20 parts of EPE-16, A-172 coupling
1 part of agent, 8 parts of DCP, 10 parts of MDMA crosslinking agent, 4 parts of nanometer active zinc oxide, calcining 20 parts of nanoclay, MB anti-aging agent
5 parts, XH-3 anti-aging agent, 5 parts of microwax, 2 parts of tear-proof auxiliary agent, 1 part of stearic acid.
3. a kind of coal mine as described in claim 1 preparation method of low cigarette insulating rubber material, which is characterized in that including
Following steps:
(1) ingredient: weigh raw material respectively according to parts by weight: EPDM K210 take 60~100 parts, EPE-16 take 15~25 parts, A-
172 coupling agents take 1~3 part, DCP takes 5~20 parts, MDMA crosslinking agent takes 5~10 parts, nanometer active zinc oxide takes 4~5 parts, forges
Burn nanoclay take 10~30 parts, MB anti-aging agent take 1~5 part, 1~5 part of XH-3 anti-aging agent, microwax take 3~5 parts, tear-proof
Auxiliary agent take 1~5 part, stearic acid take 1~3 part；
(2) it is kneaded: above-mentioned raw materials being kneaded using mixer, be firstly added EPDM K210, EPE-16, calcining nanometer pottery
Soil, MB anti-aging agent, XH-3 anti-aging agent, microwax, tear-proof auxiliary agent, stearic acid, mixing time 4-5min, melting temperature 100 ± 5
DEG C, after the rubber being kneaded parked at least 12h；
(3) it filters rubber: the rubber being kneaded is filtered processing through filtering rubber machine；
(4) mill: the rubber after filter rubber is moved into open mill and carries out mill, turns over packet 2-3 times；
(5) add sulphur: the rubber after parking being carried out using mixer plus sulphur is kneaded, A-172 coupling is added in the rubber after parking
Then agent, DCP, MDMA crosslinking agent, nanometer active zinc oxide carry out being kneaded and dumping are handled；
(6) slice: carrying out slice to the rubber for adding sulphur with cold machine using calender,
The calender that the rubber of sulphur will be added to pass through is pressed into sheet rubber, afterwards by the circulating chilled water in cold machine to rubber tissue into
Row cooling；Cold machine linear speed should work good with calender, regulate and control cooling cylinder water；
(7) it extrusion molding: squeezes out to obtain low smoke and zero halogen low dielectric loss EPDM rubber using Rubber Extruder, by vapor crosslinking
Pipe carries out steam vulcanization (cure) molding.
4. a kind of preparation method of the low cigarette electro-insulating rubber of coal mine as claimed in claim 3, it is characterised in that:
In step (3), 45-65 DEG C of head constant temperature, 45-65 DEG C of fuselage constant temperature, strainer is using 1 × 20+1 × 40+1 × 60 × 1
× 80 are filtered, and filter 23-4 times.
5. a kind of preparation method of the low cigarette electro-insulating rubber of coal mine as claimed in claim 3, it is characterised in that:
In step (5), mixing time 2-3min, 50-65 DEG C of dump temperature；
In step (6), the calender that the temperature of calender is 40-45 DEG C, the sheet rubber thickness control of compacting in 0.8-0.9mm,
Wide 700-750mm.
6. a kind of preparation method of the low cigarette electro-insulating rubber of coal mine as claimed in claim 3, it is characterised in that:
In step (7), the control of the feed opening temperature of Rubber Extruder is at 60-70 DEG C, and body temperature control is at 50-60 DEG C, head
Temperature is controlled at 70-80 DEG C；
Vapor crosslinking pipe Steam pressure control is in 0.8-1.3Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627117.5A CN110194869A (en) | 2019-07-12 | 2019-07-12 | A kind of coal mine low cigarette electro-insulating rubber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627117.5A CN110194869A (en) | 2019-07-12 | 2019-07-12 | A kind of coal mine low cigarette electro-insulating rubber and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845161A (en) * | 2010-05-26 | 2010-09-29 | 江苏五洲电磁线有限公司 | Feeding method of cross-linked polyolefin mixture rubber during mixing |
| CN101940212A (en) * | 2010-08-31 | 2011-01-12 | 山东农业大学 | Pesticide composition containing chlorantranili-prole and abamectin for preventing and controlling liriomyza |
| CN104530542A (en) * | 2014-12-12 | 2015-04-22 | 四川明星电缆股份有限公司 | Halogen-free aging-resistant strippable shielding material for cabtyre cables |
-
2019
- 2019-07-12 CN CN201910627117.5A patent/CN110194869A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845161A (en) * | 2010-05-26 | 2010-09-29 | 江苏五洲电磁线有限公司 | Feeding method of cross-linked polyolefin mixture rubber during mixing |
| CN101940212A (en) * | 2010-08-31 | 2011-01-12 | 山东农业大学 | Pesticide composition containing chlorantranili-prole and abamectin for preventing and controlling liriomyza |
| CN104530542A (en) * | 2014-12-12 | 2015-04-22 | 四川明星电缆股份有限公司 | Halogen-free aging-resistant strippable shielding material for cabtyre cables |
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