CN107903481A - Field cable sheath and preparation method thereof - Google Patents
Field cable sheath and preparation method thereof Download PDFInfo
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- CN107903481A CN107903481A CN201711000891.0A CN201711000891A CN107903481A CN 107903481 A CN107903481 A CN 107903481A CN 201711000891 A CN201711000891 A CN 201711000891A CN 107903481 A CN107903481 A CN 107903481A
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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
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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
- 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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of field cable sheath and preparation method thereof, including：Ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler and solvent are kneaded to obtain mixture M 1；The mixture M 1, turpentine oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate and citrate progress glue are refined to obtain mixture M 2；The field cable sheath is made in the extruded machine extruding pelletization of the mixture M 2, processing；Wherein, it is described to be kneaded the first mixing and the second mixing for including carrying out successively, also, the described second temperature being kneaded is higher than the described first 50 70 DEG C of mixing.The sheath filler is prepared by nano silicon dioxide, ceramic fibre, carbon fiber, asbestos fibre, attapulgite, diatomite and expanded vermiculite.The field cable sheath has high mechanical strength, the ageing-resistant excellent performance such as wear-resistant, suitable for the cable requirement of camp equipment.
Description
Technical field
The present invention relates to cable production art, and in particular, to field cable sheath and preparation method thereof.
Background technology
It is exactly to be made of the conductor and outsourcing insulating protective layer of one or more mutually insulated for cable is popular, by electricity
Power or information are transferred to the conducting wire at another place at one.With the rapid development of economy, more and more places need cable to pass
Electric power or other information are passed, therefore the manufacture to cable also has tightened up requirement.Protective coverings of cable is that cable is indispensable
Structure division, plays a part of protecting cable, ensures the energization safety of cable, allows the isolation of the medium such as cable core and water, air to keep away
Exempt from leaky occur.
With the development of science and technology cable is had been widely used in the production of all trades and professions, operation.And different operation
Environment also has the structure of cable, material and its performance different requirements, such as field equipment, field work etc. i.e. to cable
Wear-resisting property have very high requirement, with prevent from causing during long-term field work cable cover(ing) abrasion rupture most
Cause electric leakage etc. is dangerous to occur eventually.
And the preparation of cable cover(ing) directly influences whether the quality of the abrasion resistance properties of cable；It is but most at present
In the prior art, such as CN104086716A, CN201510285569.1X and CN201410295816.1 prior art, only
Describing obtained cable cover(ing) has excellent resistance to elevated temperatures and high mechanical strength etc., and manufacturing process is complicated, and simultaneously
The wear-resisting property that how to improve cable cover(ing) is not disclosed out.
Therefore it provides a kind of cable cover(ing) with more preferable wear-resisting property is with suitable for fields such as camp equipments
The problem of being urgent need to resolve of the present invention.
The content of the invention
The object of the present invention is to provide a kind of field cable sheath and preparation method thereof, field cable sheath tool
There are high mechanical strength, the ageing-resistant excellent performance such as wear-resistant, suitable for the cable requirement of camp equipment.
To achieve these goals, the present invention provides a kind of preparation method of field cable sheath, this method bag
Include：
Ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler and solvent are kneaded to obtain mixture M 1；
By the mixture M 1, turpentine oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate
Glue is carried out with citrate to refine to obtain mixture M 2；
The field cable sheath is made in the extruded machine extruding pelletization of the mixture M 2, processing；
Wherein, it is described to be kneaded the first mixing and the second mixing for including carrying out successively, also, the described second temperature being kneaded
Degree is kneaded 50-70 DEG C higher than described first；
The sheath filler is by nano silicon dioxide, ceramic fibre, carbon fiber, asbestos fibre, attapulgite, diatomite
It is prepared with expanded vermiculite.
According to above-mentioned technical proposal, the present invention is filled out ethylene-vinyl acetate copolymer, butadiene rubber, sheath by selecting
The first mixing of material and the progress of solvent priority, second are kneaded to obtain mixture M 1；Mixture M 1, turpentine oil, vulcanization are promoted again
Agent PDM, ethyl acetate, acrylate, t-butyl perbenzoate and citrate carry out glue and refine to obtain mixture M 2；It is final to squeeze
Go out granulation, the field cable sheath has been made in processing.By between each raw material of mixing twice successively in the present invention
The interaction further increased between each raw material is sufficiently mixed, so that obtained cable cover(ing) has excellent mechanicalness
Energy and wear-resisting property.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The endpoint of disclosed scope and any value are not limited to the accurate scope or value, these scopes herein
Or value should be understood to comprising the value close to these scopes or value.For number range, the endpoint value of each scope it
Between, between the endpoint value of each scope and single point value, and individually between point value can be combined with each other and obtain one
Or multiple new number ranges, these number ranges should be considered as specific open herein.
The present invention provides a kind of preparation method of field cable sheath, wherein, this method includes：
Ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler and solvent are kneaded to obtain mixture M 1；
By the mixture M 1, turpentine oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate
Glue is carried out with citrate to refine to obtain mixture M 2；
The field cable sheath is made in the extruded machine extruding pelletization of the mixture M 2, processing；
Wherein, it is described to be kneaded the first mixing and the second mixing for including carrying out successively, also, the described second temperature being kneaded
Degree is kneaded 50-70 DEG C higher than described first；
The sheath filler is by nano silicon dioxide, ceramic fibre, carbon fiber, asbestos fibre, attapulgite, diatomite
It is prepared with expanded vermiculite.
In above-mentioned technical proposal, the described first temperature being kneaded can select in wide scope, but in order to further
Improve the effect being kneaded, it is preferable that the described first temperature being kneaded is 80-100 DEG C.
Equally, the described second temperature being kneaded can select in wide scope, but in order to further improve mixing
Effect, it is preferable that the described first time being kneaded was 1-2h；And/or the time of second mixing is 2-4h.
In above-mentioned technical proposal, the temperature of the glue refining can select in wide scope, but in order to further improve
The effect of glue refining, it is preferable that the glue refining at least meets the following conditions：Temperature is 110-150 DEG C, and/or the time is 2-4h.
In above-mentioned technical proposal, the weight ratio between each component can be adjusted in wide scope, but each in order to improve
Mutual synergistic effect between component, it is preferable that the ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler, molten
Agent, turpentine oil, accelerator P DM, ethyl acetate, acrylate, the weight ratio of t-butyl perbenzoate and citrate are
100：5-10：5-10：100-150： 3-8：2-5：3-5：5-10：1.5-5.5：2.1-3.5.
Meanwhile the species of the solvent can select in wide scope, but in order to improve solvent and other components it
Between synergistic effect, it is further preferred that the solvent be selected from ethylene glycol monobutyl ether, ethylene glycol ether, dichloro-benzenes, hexamethylene
One or more in ketone or dichloromethane.
In above-mentioned technical proposal, the temperature of the extruding pelletization can select in wide scope, but in order to further
Improve the efficiency of extruding pelletization, it is preferable that the temperature of the extruding pelletization is 170-190 DEG C.
In the present invention, the preparation method of the sheath filler has multiple choices, but in order to further improve sheath filler
The wear-resisting property of sheath made from synergistic effect and then raising between other components, it is preferable that the sheath filler by with
Lower section method is made：By nano silicon dioxide, ceramic fibre, carbon fiber, asbestos fibre, attapulgite, diatomite and expansion leech
Stone, diallyl phthalate, the silane coupling agent that the trade mark is KH560 are mixed, are heat-treated, being dried to obtain the sheath and fill out
Material.
In the preparation process of sheath filler, the dosage between each component can select in wide scope, but in order to
The wear-resisting property of sheath made from raising, it is preferable that in parts by weight, the nano silicon dioxide, ceramic fibre, carbon fiber,
Asbestos fibre, attapulgite, diatomite, expanded vermiculite, diallyl phthalate and the trade mark are the silane coupled of KH560
The amount ratio of agent is 100：5-10：1-5： 3-8：5-8：5-15：10-15：6-9：3.5-6.5.
In above-mentioned technical proposal, the condition of the heat treatment can select in wide scope, but in order to improve hot place
The efficiency of reason, it is preferable that the condition of the heat treatment is：Temperature is 130-180 DEG C, time 2-4h.
Equally, the average grain diameter of obtained sheath filler can be adjusted in loose scope, but in order to further improve
Synergistic effect between obtained sheath filler and other components, it is preferable that the average grain diameter of the sheath filler is 10-30 μ
m。
Field cable sheath made from a kind of above-mentioned preparation method has also been carried in the present invention.
Preparation example 1
By nano silicon dioxide, ceramic fibre, carbon fiber, asbestos fibre, attapulgite, diatomite and expanded vermiculite, neighbour
The silane coupling agent that dially phthalate and the trade mark are KH560 is 100 according to weight ratio：5：1：3：5：5：10：6：3.5
Mixed and 4h is heat-treated at 130 DEG C, the sheath filler that average grain diameter is 10 μm is made in dry, grinding, is denoted as
W1。
Preparation example 2
By nano silicon dioxide, ceramic fibre, carbon fiber, asbestos fibre, attapulgite, diatomite, expanded vermiculite, neighbour
The silane coupling agent that dially phthalate and the trade mark are KH560 is 100 according to weight ratio：8：3：5：6：10：12：8：
5.5。
Mixed and 3h is heat-treated at 150 DEG C, dry, grinding is made the sheath that average grain diameter is 20 μm and fills out
Material, is denoted as W2.
Preparation example 3
By nano silicon dioxide, ceramic fibre, carbon fiber, asbestos fibre, attapulgite, diatomite, expanded vermiculite, neighbour
The silane coupling agent that dially phthalate and the trade mark are KH560 is 100 according to weight ratio：10：5：8：8：15：15：9：
6.5。
Mixed and 2h is heat-treated at 180 DEG C, dry, grinding is made the sheath that average grain diameter is 30 μm and fills out
Material, is denoted as W3.
Preparation example 4
The sheath filler is made in method according to preparation example 1, is denoted as W4；Unlike, expansion leech is not added in raw material
Stone.
Preparation example 5
The sheath filler is made in method according to preparation example 1, is denoted as W5；Unlike, ceramic fibre is not added in raw material
Dimension.
Preparation example 6
The sheath filler is made in method according to preparation example 1, is denoted as W6；Unlike, carbon fibre is not added in raw material
Dimension.
Preparation example 7
The sheath filler is made in method according to preparation example 1, is denoted as W7；Unlike, concave convex rod is not added in raw material
Soil.
Embodiment 1
Ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler W1 and ethylene glycol monobutyl ether are mixed, first at 80 DEG C
It is being kneaded 2h；Then at 130 DEG C mixture M 1 is obtained after 4h is kneaded；
By the mixture M 1, turpentine oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate
With citrate mixture M 2 is obtained for 4h in 110 DEG C of glue refinings；
By the 2 extruded machine of mixture M, the field cable sheath is made in extruding pelletization, processing at 170 DEG C,
It is denoted as A1.
Wherein, the ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler W1, ethylene glycol monobutyl ether, turpentine
The weight ratio of oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate and citrate is 100：5：
5：100：3：2：3：5：1.5：2.1.
Embodiment 2
Ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler W2 and ethylene glycol ether are mixed, first at 90 DEG C
It is being kneaded 1.5h；Then at 150 DEG C mixture M 1 is obtained after 3h is kneaded；
By the mixture M 1, turpentine oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate
With citrate mixture M 2 is obtained for 3h in 130 DEG C of glue refinings；
By the 2 extruded machine of mixture M, the field cable sheath is made in extruding pelletization, processing at 180 DEG C,
It is denoted as A2.
Wherein, the ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler W2, ethylene glycol ether, turpentine
The weight ratio of oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate and citrate is 100：8：
8：130：6：3：4：8：4.5：3.
Embodiment 3
Ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler W3 and cyclohexanone are mixed, first at 100 DEG C mixed
Refine 2h；Then at 170 DEG C mixture M 1 is obtained after 2h is kneaded；
By the mixture M 1, turpentine oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate
With citrate mixture M 2 is obtained for 2h in 150 DEG C of glue refinings；
By the 2 extruded machine of mixture M, the field cable sheath is made in extruding pelletization, processing at 190 DEG C,
It is denoted as A3.
Wherein, the ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler W3, cyclohexanone, turpentine oil, vulcanization
Accelerating agent PDM, ethyl acetate, acrylate, the weight ratio of t-butyl perbenzoate and citrate are 100：10：10：150：
8：5：5：10：5.5：3.5.
Comparative example 1
The field cable sheath is prepared Following the procedure of Example 1, is denoted as D1；The difference is that sheath filler used
For W4.
Comparative example 2
The field cable sheath is prepared Following the procedure of Example 1, is denoted as D2；The difference is that sheath filler used
For W5.
Comparative example 3
The field cable sheath is prepared Following the procedure of Example 1, is denoted as D3；The difference is that sheath filler used
For W6.
Comparative example 4
The field cable sheath is prepared Following the procedure of Example 1, is denoted as D4；The difference is that sheath filler used
For W7.
Comparative example 5
Field cable sheath is prepared Following the procedure of Example 1, is denoted as D5；The difference is that each raw material is directly at 80 DEG C
Lower mixing 6h obtains mixture M 1, without the second mixing process.
Comparative example 6
Field cable sheath is prepared Following the procedure of Example 1, is denoted as D6；The difference is that each raw material is directly at 130 DEG C
Lower mixing 6h obtains mixture M 1, without the first mixing process.
Detect example 1
Tested according to wires and cables industry universal test standard GB/T2951-2008, obtain the number as shown in table 1
According to；And test the abrasion loss (mg) of A1-A3 and D1-D6 and its anti-tensile is strong after aging 168h under 135 ± 2 DEG C of hot-airs
Spend maximum rate of change (%).
Table 1
The preferred embodiment of the present invention described in detail above, still, during present invention is not limited to the embodiments described above
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme,
These simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention is to various
Possible combination 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 equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of preparation method of field cable sheath, it is characterised in that this method includes：
Ethylene-vinyl acetate copolymer, butadiene rubber, sheath filler and solvent are kneaded to obtain mixture M 1；
By the mixture M 1, turpentine oil, accelerator P DM, ethyl acetate, acrylate, t-butyl perbenzoate and lemon
Lemon acid esters carries out glue and refines to obtain mixture M 2；
The field cable sheath is made in the extruded machine extruding pelletization of the mixture M 2, processing；
Wherein, it is described to be kneaded the first mixing and the second mixing for including carrying out successively, also, the described second temperature being kneaded is higher than
Described first is kneaded 50-70 DEG C；
The sheath filler is by nano silicon dioxide, ceramic fibre, carbon fiber, asbestos fibre, attapulgite, diatomite and expansion
Vermiculite is prepared.
2. preparation method according to claim 1, wherein, the described first temperature being kneaded is 80-100 DEG C.
3. preparation method according to claim 2, wherein, the described first time being kneaded was 1-2h；And/or described
Two times being kneaded were 2-4h.
4. preparation method according to claim 1, wherein, the glue refining at least meets the following conditions：Temperature is 110-150
DEG C, and/or the time is 2-4h.
5. preparation method according to claim 1, wherein, the ethylene-vinyl acetate copolymer, butadiene rubber, sheath
Filler, solvent, turpentine oil, accelerator P DM, ethyl acetate, acrylate, the weight of t-butyl perbenzoate and citrate
Amount is than being 100：5-10：5-10：100-150：3-8：2-5：3-5：5-10：1.5-5.5：2.1-3.5；
Preferably, the solvent is in ethylene glycol monobutyl ether, ethylene glycol ether, dichloro-benzenes, cyclohexanone or dichloromethane
It is one or more.
6. according to the preparation method described in any one in claim 1-5, wherein, the temperature of the extruding pelletization is 170-
190℃。
7. according to the preparation method described in any one in claim 1-5, wherein, the sheath filler is by following methods system
：By nano silicon dioxide, ceramic fibre, carbon fiber, asbestos fibre, attapulgite, diatomite, expanded vermiculite, O-phthalic
Diallyl phthalate, the silane coupling agent that the trade mark is KH560 are mixed, are heat-treated, being dried to obtain the sheath filler.
8. preparation method according to claim 7, wherein, in parts by weight, the nano silicon dioxide, ceramic fibre,
Carbon fiber, asbestos fibre, attapulgite, diatomite, expanded vermiculite, diallyl phthalate and the trade mark are the silicon of KH560
The amount ratio of alkane coupling agent is 100：5-10：1-5：3-8：5-8：5-15：10-15：6-9：3.5-6.5.
9. preparation method according to claim 7, wherein, the condition of the heat treatment is：Temperature is 130-180 DEG C, when
Between be 2-4h；
Preferably, the average grain diameter of the sheath filler is 10-30 μm.
10. field cable sheath made from the preparation method in a kind of 1-9 as claim described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000891.0A CN107903481A (en) | 2017-10-24 | 2017-10-24 | Field cable sheath and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000891.0A CN107903481A (en) | 2017-10-24 | 2017-10-24 | Field cable sheath and preparation method thereof |
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| CN107903481A true CN107903481A (en) | 2018-04-13 |
Family
ID=61840866
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| CN201711000891.0A Pending CN107903481A (en) | 2017-10-24 | 2017-10-24 | Field cable sheath and preparation method thereof |
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| CN109161208A (en) * | 2018-07-18 | 2019-01-08 | 曹佳男 | A kind of high fire-retardance corrosion proof cable material and preparation method thereof |
| CN109824957A (en) * | 2019-01-25 | 2019-05-31 | 芜湖航天特种电缆厂股份有限公司 | Field high heat dissipation cable cover(ing) and preparation method thereof |
| CN109867847A (en) * | 2019-01-25 | 2019-06-11 | 芜湖航天特种电缆厂股份有限公司 | Field wear-resistant cable sheath and preparation method thereof |
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| CN109161208A (en) * | 2018-07-18 | 2019-01-08 | 曹佳男 | A kind of high fire-retardance corrosion proof cable material and preparation method thereof |
| CN109824957A (en) * | 2019-01-25 | 2019-05-31 | 芜湖航天特种电缆厂股份有限公司 | Field high heat dissipation cable cover(ing) and preparation method thereof |
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Application publication date: 20180413 |