CN108659309A - The preparation method of cable electro-insulating rubber composition - Google Patents
The preparation method of cable electro-insulating rubber composition Download PDFInfo
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- CN108659309A CN108659309A CN201810499244.7A CN201810499244A CN108659309A CN 108659309 A CN108659309 A CN 108659309A CN 201810499244 A CN201810499244 A CN 201810499244A CN 108659309 A CN108659309 A CN 108659309A
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- insulating rubber
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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
- C08L23/06—Polyethene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
- C08K2003/285—Ammonium nitrates
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of cable electro-insulating rubber compositions and preparation method thereof, including：By low density polyethylene (LDPE), EP rubbers, insulating packing, ethyl acetate, toluene, dibutyl phthalate, inositol hexaphosphate, epoxidation triglyceride, citrate and vulcanization accelerator TMTD according to 100：30‑50：10‑15：30‑40：10‑15：25‑35：3‑5：6‑10：1‑5：35 weight proportion is stirred, is mixed to prepare the cable electro-insulating rubber composition.
Description
Technical field
The present invention relates to cable product manufacturing fields, and in particular, to a kind of cable electro-insulating rubber composition and its preparation
Method.
Background technology
Currently, with the fast development in modern logistics lifting equipment field, harbour, mine, electric power, coal, building materials, grain
Etc. industries all use powerful equipment to improve production capacity all trades and professions, thus the requirement to matched transmission yarn is not
Disconnected to improve, voltage class also improves therewith, be with equipment at high speed in the case of cable is under 6kV~15kV high voltages
It moves back and forth, is collected with reel, become the main power supply cable of lifting equipment.Cable is in frequent moving process to the electricity of insulation
Gas performance and mechanical property requirements are higher, and domestic dynamic is very short using such Cable insulation electric property service life at present.
Invention content
The object of the present invention is to provide a kind of cable electro-insulating rubber composition and preparation method thereof, which uses insulation rubber
Glue composition can be used in preparing cable insulation jacket, can greatly improve insulation performance, the thermal conductivity of cable cover(ing) obtained
Energy and mechanical performance.
To achieve the goals above, the present invention provides a kind of cable preparation methods of electro-insulating rubber composition, including：
By low density polyethylene (LDPE), EP rubbers, insulating packing, ethyl acetate, toluene, dibutyl phthalate, inositol hexaphosphate,
Epoxidation triglyceride, citrate and vulcanization accelerator TMTD are according to 100：30-50：10-15：30-40：10-15：25-
35：3-5：6-10：1-5：The weight proportion of 3-5 is stirred, is mixed to prepare the cable electro-insulating rubber composition.
In above-mentioned technical proposal, the specific type and preparation method of the insulating packing can there are many selections, still
In order to improve insulation performance, it is preferable that the insulating packing is made by following methods：
1) it after mixing activated carbon, chitosan with hydrogen fluoride, dries and is calcined to obtain Fluorin doped carbon；
2) after mica powder, the Fluorin doped carbon, white carbon, ceramic fibre, boron nitride and aluminium nitride being mixed, are ground
It is heat-treated.
In above-mentioned technical proposal, the dosage of the activated carbon, chitosan and hydrogen fluoride can select in a wide range, but
It is to improve Fluorin doped rate, it is preferable that the amount ratio of the activated carbon, chitosan and hydrogen fluoride is 100mg：20-50mg：3-
5mL hydrogen fluoride solutions；
The HF of the % of mass containing 5-8 in the hydrogen fluoride solution.
In above-mentioned technical proposal, the dosage of each raw material can select in a wide range, but in order to improve Fluorin doped rate,
Preferably, in parts by weight, the dosage of the mica powder, Fluorin doped carbon, white carbon, ceramic fibre, boron nitride and aluminium nitride is matched
Than being 100：10-15：20-40：5-13：5-8：6-10.
In above-mentioned technical proposal, the condition of the calcining can select in a wide range, but for preparation efficiency, it is excellent
Selection of land, the calcining at least meet the following conditions：Under an inert atmosphere, temperature is 800-900 DEG C, time 1-2h.
In above-mentioned technical proposal, the condition of the heat treatment can select in a wide range, but for preparation efficiency,
Preferably, the heat treatment at least meets the following conditions：Under an inert atmosphere, temperature is 300-600 DEG C, time 4-6h.
During the calcining and heat treatment, the inert atmosphere is provided by nitrogen or argon gas.
In above-mentioned technical proposal, the specific particle size of the mica powder can select in a wide range, but in order to
Improve mixing between each raw material, synergy, it is preferable that the particle size of the mica powder is 200-800nm.
In above-mentioned preparation method, the condition of the stirring can select in a wide range, but in order to improve mixing effect
Rate, effect, it is preferable that the rotating speed of the stirring is 2000-3000rpm, time 4-12h.
The present invention also provides cable electro-insulating rubber compositions made from a kind of above-mentioned preparation method.
Through the above technical solutions, first using activated carbon, chitosan and hydrogen fluoride mixing, calcining that Fluorin doped is made in the present invention
Carbon；Then mixed with mica powder, the Fluorin doped carbon, white carbon, ceramic fibre, boron nitride and aluminium nitride, grind it is laggard
Insulating packing is made in row heat treatment.On the one hand material can be improved obtains heat conductivility to Fluorin doped carbon material, while fluorine must mix meeting
Heat Conduction Material can be reduced and obtain conductance function, then mixed with mica powder, boron nitride and aluminium nitride and insulating packing is further made.
The insulating packing of gained is mixed to get with low density polyethylene (LDPE), EP rubbers and other auxiliary agents under specific composition and ratio again
Cable electro-insulating rubber composition.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention will be described in detail by way of examples below.
Preparation example 1
1) by 100mg activated carbons, 20mg chitosans be added to 3mL hydrogen fluoride (HF of 5 mass %) mix after, it is dry and
Under nitrogen atmosphere, 800 DEG C calcining 2h obtain Fluorin doped carbon；
2) by mica powder (200nm), the Fluorin doped carbon, white carbon, ceramic fibre, boron nitride and aluminium nitride according to 100：
10：20：5：5：6 weight ratio mixed, grind after 6h is heat-treated at 300 DEG C, obtain insulating packing and be denoted as W1.
Preparation example 2
1) by 100mg activated carbons, 30mg chitosans be added to 4mL hydrogen fluoride (HF of 8 mass %) mix after, it is dry and
Under nitrogen atmosphere, 850 DEG C calcining 1h obtain Fluorin doped carbon；
2) by mica powder (600nm), the Fluorin doped carbon, white carbon, ceramic fibre, boron nitride and aluminium nitride according to 100：
12：30：8：6：8 weight ratio mixed, grind after 5h is heat-treated at 500 DEG C, obtain insulating packing and be denoted as W2.
Preparation example 3
1) by 100mg activated carbons, 50mg chitosans be added to 5mL hydrogen fluoride (HF of 5 mass %) mix after, it is dry and
Under nitrogen atmosphere, 800-900 DEG C calcining 1-2h obtain Fluorin doped carbon；
2) by mica powder (800nm), the Fluorin doped carbon, white carbon, ceramic fibre, boron nitride and aluminium nitride according to 100：
15：40：13：8：10 weight ratio mixed, grind after 4-6h is heat-treated at 600 DEG C, obtain insulating packing and be denoted as W3.
Preparation example 4
Insulating packing W4 is prepared Following the procedure of Example 1, unlike step 1) in that hydrogen fluoride is not added is directly mixed
Close calcining.
Preparation example 5
Insulating packing W5 is prepared Following the procedure of Example 1, the difference is that ceramic fibre is not added.
Preparation example 6
Insulating packing W6 is prepared Following the procedure of Example 1, the difference is that boron nitride is not added.
Preparation example 7
Insulating packing W7 is prepared Following the procedure of Example 1, the difference is that aluminium nitride is not added.
Embodiment 1
By low density polyethylene (LDPE), EP rubbers, insulating packing W1, ethyl acetate, toluene, dibutyl phthalate, flesh
Six phosphate of alcohol, epoxidation triglyceride, citrate and vulcanization accelerator TMTD are according to 100：30-50：10-15：30-
40：10-15：25-35：3-5：6-10：1-5：The weight proportion of 3-5 is mixed, is stirred in the case where rotating speed is 2000-3000rpm
It is mixed to prepare the cable electro-insulating rubber composition, is denoted as A1.
Embodiment 2
By low density polyethylene (LDPE), EP rubbers, insulating packing W1, ethyl acetate, toluene, dibutyl phthalate, flesh
Six phosphate of alcohol, epoxidation triglyceride, citrate and vulcanization accelerator TMTD are according to 100：30-50：10-15：30-
40：10-15：25-35：3-5：6-10：1-5：The weight proportion of 3-5 is mixed, is stirred in the case where rotating speed is 2000-3000rpm
It is mixed to prepare the cable electro-insulating rubber composition, is denoted as A2.
Embodiment 3
By low density polyethylene (LDPE), EP rubbers, insulating packing W1, ethyl acetate, toluene, dibutyl phthalate, flesh
Six phosphate of alcohol, epoxidation triglyceride, citrate and vulcanization accelerator TMTD are according to 100：30-50：10-15：30-
40：10-15：25-35：3-5：6-10：1-5：The weight proportion of 3-5 is mixed, is stirred in the case where rotating speed is 2000-3000rpm
It is mixed to prepare the cable electro-insulating rubber composition, is denoted as A3.
Embodiment 4
Cable electro-insulating rubber composition A4 is prepared according to the method for embodiment 1, the difference is that the insulating packing W4 used
Instead of W1.
Embodiment 5
Cable electro-insulating rubber composition A5 is prepared according to the method for embodiment 1, the difference is that the insulating packing W5 used
Instead of W1.
Embodiment 6
Cable electro-insulating rubber composition A6 is prepared according to the method for embodiment 1, the difference is that the insulating packing W6 used
Instead of W1.
Embodiment 7
Cable electro-insulating rubber composition A7 is prepared according to the method for embodiment 1, the difference is that the insulating packing W7 used
Instead of W1.
Comparative example 1
Cable electro-insulating rubber composition D1 is prepared according to the method for embodiment 1, the difference is that for addition insulating packing W1.
Application examples 1
Cable obtained is made corresponding with electro-insulating rubber composition A1-A7 and D1 by kneading, extruding pelletization processing
Sheath, and air oven aging test is carried out to sheath, according to GB/T3512-2001 standard testings, aging condition：175 DEG C, 96h.
And to before and after aging A1-A7 and the corresponding sheaths of D1 carry out tensile strength test, test method is according to GB/
T528-1998 standards.
Table 1
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of cable preparation method of electro-insulating rubber composition, which is characterized in that including：By low density polyethylene (LDPE), second third
Rubber, insulating packing, ethyl acetate, toluene, dibutyl phthalate, inositol hexaphosphate, epoxidation triglyceride, lemon
Lemon acid esters and vulcanization accelerator TMTD are according to 100：30-50：10-15：30-40：10-15：25-35：3-5：6-10：1-5：3-5
Weight proportion be stirred, be mixed to prepare the cable electro-insulating rubber composition.
2. preparation method according to claim 1, wherein the insulating packing is made by following methods：
1) it after mixing activated carbon, chitosan with hydrogen fluoride, dries and is calcined to obtain Fluorin doped carbon；
2) it is carried out after mica powder, the Fluorin doped carbon, white carbon, ceramic fibre, boron nitride and aluminium nitride being mixed, ground
Heat treatment.
3. preparation method according to claim 2, wherein the amount ratio of the activated carbon, chitosan and hydrogen fluoride is
100mg：20-50mg：3-5mL hydrogen fluoride solutions；
The HF of the % of mass containing 5-8 in the hydrogen fluoride solution.
4. preparation method according to claim 2, wherein in parts by weight, the mica powder, Fluorin doped carbon, white carbon,
The consumption proportion of ceramic fibre, boron nitride and aluminium nitride is 100：10-15：20-40：5-13：5-8：6-10.
5. preparation method according to claim 2, wherein the calcining at least meets the following conditions：Under an inert atmosphere,
Temperature is 800-900 DEG C, time 1-2h.
6. preparation method according to claim 2, wherein the heat treatment at least meets the following conditions：In inert atmosphere
Under, temperature is 300-600 DEG C, time 4-6h.
7. preparation method according to claim 5 or 6, wherein inert atmosphere is each described in the calcining, heat treatment step
It is provided from independence by nitrogen or argon gas.
8. preparation method according to claim 2, wherein the particle size of the mica powder is 200-800nm.
9. preparation method according to claim 1, wherein the rotating speed of the stirring is 2000-3000rpm, time 4-
12h。
10. cable electro-insulating rubber composition made from a kind of preparation method by described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499244.7A CN108659309A (en) | 2018-05-23 | 2018-05-23 | The preparation method of cable electro-insulating rubber composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810499244.7A CN108659309A (en) | 2018-05-23 | 2018-05-23 | The preparation method of cable electro-insulating rubber composition |
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| CN108659309A true CN108659309A (en) | 2018-10-16 |
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| CN201810499244.7A Pending CN108659309A (en) | 2018-05-23 | 2018-05-23 | The preparation method of cable electro-insulating rubber composition |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417831A (en) * | 2008-11-11 | 2009-04-29 | 北京师范大学 | Novel ti-supported lead dioxide electric pole and preparation method thereof |
| CN104017267A (en) * | 2014-06-13 | 2014-09-03 | 深圳市沃尔核材股份有限公司 | Heat-conducting wire cable electric-insulation material or sheath material |
| CN104194167A (en) * | 2014-09-17 | 2014-12-10 | 朱忠良 | Halogen-free flame retardant heat-conducting wire insulating layer and wire |
| CN105968698A (en) * | 2016-06-30 | 2016-09-28 | 安徽埃克森科技集团有限公司 | Cable and production process thereof |
-
2018
- 2018-05-23 CN CN201810499244.7A patent/CN108659309A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417831A (en) * | 2008-11-11 | 2009-04-29 | 北京师范大学 | Novel ti-supported lead dioxide electric pole and preparation method thereof |
| CN104017267A (en) * | 2014-06-13 | 2014-09-03 | 深圳市沃尔核材股份有限公司 | Heat-conducting wire cable electric-insulation material or sheath material |
| CN104194167A (en) * | 2014-09-17 | 2014-12-10 | 朱忠良 | Halogen-free flame retardant heat-conducting wire insulating layer and wire |
| CN105968698A (en) * | 2016-06-30 | 2016-09-28 | 安徽埃克森科技集团有限公司 | Cable and production process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 殷馨等: "氟氮掺杂的有序介孔碳材料合成实验研究", 《实验技术与管理》 * |
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Application publication date: 20181016 |