CN108586999A - Heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath and preparation method thereof - Google Patents
Heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath and preparation method thereof Download PDFInfo
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- CN108586999A CN108586999A CN201810499236.2A CN201810499236A CN108586999A CN 108586999 A CN108586999 A CN 108586999A CN 201810499236 A CN201810499236 A CN 201810499236A CN 108586999 A CN108586999 A CN 108586999A
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- polyvinyl chloride
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- isoprene rubber
- composite cable
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- H01B3/443—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 vinylhalogenides or other halogenoethylenic compounds
-
- 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
- C08K2003/387—Borates
-
- 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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- 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)
- Manufacturing Of Electric Cables (AREA)
Abstract
The invention discloses a kind of heat-insulated polyvinyl chloride isoprene rubber composite cable sheaths and preparation method thereof, which includes：1) bentonite, aluminium salt, pink salt, alkali and water are subjected to hydro-thermal reaction so that modified alta-mud is made；2) polyvinyl chloride, isoprene rubber, vaseline, zinc borate, diethyl malonate, ethylenediamine, linoleic acid and modified alta-mud are kneaded and then extrusion molding is to be made heat-insulated polyvinyl chloride isoprene rubber composite cable sheath.There is excellent heat-proof quality by heat-insulated polyvinyl chloride isoprene rubber composite cable sheath made from the preparation method, while the preparation method has the advantages that process is simple and raw material is easy to get.
Description
Technical field
The present invention relates to cables, and in particular, to a kind of heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath and its system
Preparation Method.
Background technology
Cable is mainly made of following four part.Conducting wire center：It is made of high conductivity material (copper or aluminium).According to laying
Requirement of the use condition to cable softness, the every line heart may be twisted by solid conductor or multiple conducting wires；Insulating layer：
Insulating materials as cable should have high insulation resistance, high breakdown field strength, low dielectric loss and low Jie
Electric constant.Sealing sheath：Protect protection insulated wire heart from the damage of machinery, moisture, moisture, chemical substance, light etc..For moisture-sensitive
Insulation, generally use lead or aluminium extrusion sealing sheath；Protect coating：To protect sealing sheath from mechanical damage.
Existing sealing sheath substantially disclosure satisfy that production requirement, but under the higher situation of certain temperature, sealing
The heat-proof quality of sheath is poor, and then cannot function well as the effect of protection cable.
Invention content
The object of the present invention is to provide a kind of heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath and preparation method thereof,
There is excellent heat-proof quality by heat-insulated polyvinyl chloride made from the preparation method-isoprene rubber composite cable sheath, simultaneously
The preparation method has the advantages that process is simple and raw material is easy to get.
To achieve the goals above, the present invention provides a kind of heat-insulated polyvinyl chloride-isoprene rubber composite cable sheaths
Preparation method, including：
1) bentonite, aluminium salt, pink salt, alkali and water are subjected to hydro-thermal reaction so that modified alta-mud is made；
2) by polyvinyl chloride, isoprene rubber, vaseline, zinc borate, diethyl malonate, ethylenediamine, linoleic acid and modification
Bentonite is kneaded and then extrusion molding is to be made heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath.
The present invention also provides a kind of heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath, the heat-insulated polyvinyl chloride-is different
Penta rubber composite cable sheath is prepared by above-mentioned preparation method.
In the above-mentioned technical solutions, the present invention first by bentonite, aluminium salt, pink salt, alkali and water carry out hydro-thermal reaction into
And to form oxide skin(coating) in bentonite to obtain modified alta-mud；Then by modified alta-mud improve cable cover(ing) every
Hot property；The preparation method has the advantages that process is simple and raw material is easy to get simultaneously.
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 present invention provides a kind of preparation methods of heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath, including：
1) bentonite, aluminium salt, pink salt, alkali and water are subjected to hydro-thermal reaction so that modified alta-mud is made；
2) by polyvinyl chloride, isoprene rubber, vaseline, zinc borate, diethyl malonate, ethylenediamine, linoleic acid and modification
Bentonite is kneaded and then extrusion molding is to be made heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath.
In the step 1) of above-mentioned preparation method, the dosage of each raw material can select in a wide range, in order to further
The heat-proof quality of composite cable sheath obtained, it is preferable that in step 1), bentonite, aluminium salt, pink salt, alkali and water weight
Than being 50：8-12：5-10：15-20：100-200.
In the step 1) of above-mentioned preparation method, the condition of hydro-thermal reaction can select in a wide range, in order into one
The heat-proof quality of step composite cable sheath obtained, it is preferable that hydro-thermal reaction meets the following conditions：Reaction temperature is 200-240
DEG C, reaction time 6-10h.
In the step 1) of above-mentioned preparation method, the type of aluminium salt can select in a wide range, in order to further make
The heat-proof quality of the composite cable sheath obtained, it is preferable that aluminium salt is selected from least one of aluminium chloride, aluminum sulfate and aluminum nitrate.
In the step 1) of above-mentioned preparation method, the type of pink salt can select in a wide range, in order to further make
The heat-proof quality of the composite cable sheath obtained, it is preferable that pink salt is selected from least one of stannic chloride, STANNOUS SULPHATE CRYSTALLINE and nitric acid tin.
In the step 1) of above-mentioned preparation method, the type of alkali can select in a wide range, in order to further be made
Composite cable sheath heat-proof quality, it is preferable that alkali is selected from least one of sodium hydroxide, potassium hydroxide and ammonium hydroxide.
In the step 2) of above-mentioned preparation method, the dosage of material can select in a wide range, in order to further make
Composite cable sheath heat-proof quality, it is preferable that in step 2), polyvinyl chloride, isoprene rubber, vaseline, zinc borate,
Diethyl malonate, ethylenediamine, linoleic acid and modified alta-mud weight ratio be 50：18-26：40-55：10-16：25-36：2-
8：10-16：27-30.
In the step 2) of above-mentioned preparation method, the time of mixing can select in a wide range, in order to further make
The heat-proof quality of the composite cable sheath obtained, it is preferable that the time of mixing is 40-60min.
The present invention also provides a kind of heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath, the heat-insulated polyvinyl chloride-is different
Penta rubber composite cable sheath is prepared by above-mentioned preparation method.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) by bentonite, aluminium salt (aluminium chloride), pink salt (stannic chloride), alkali (sodium hydroxide) and water according to 50：10：8：18：
150 weight ratio carries out hydro-thermal reaction (reaction temperature is 220 DEG C, reaction time 8h) so that modified alta-mud is made；
2) by polyvinyl chloride, isoprene rubber, vaseline, zinc borate, diethyl malonate, ethylenediamine, linoleic acid and modification
Bentonite is according to 50：22：45：13：28：6：13：29 weight ratio carries out mixing 50min and then extrusion molding so that thickness is made
For the heat-insulated polyvinyl chloride of 3mm-isoprene rubber composite cable sheath A1.
Embodiment 2
1) by bentonite, aluminium salt (aluminum sulfate), pink salt (STANNOUS SULPHATE CRYSTALLINE), alkali (potassium hydroxide) and water according to 50：8：5：15：
100 weight ratio carries out hydro-thermal reaction (reaction temperature is 200 DEG C, reaction time 10h) so that modified alta-mud is made；
2) by polyvinyl chloride, isoprene rubber, vaseline, zinc borate, diethyl malonate, ethylenediamine, linoleic acid and modification
Bentonite is according to 50：18：40：10：25：2：10：27 weight ratio carries out mixing 40min and then extrusion molding so that thickness is made
For the heat-insulated polyvinyl chloride of 3mm-isoprene rubber composite cable sheath A2.
Embodiment 3
1) by bentonite, aluminium salt (aluminum nitrate), pink salt (nitric acid tin), alkali (sodium hydroxide) and water according to 50：12：10：20：
200 weight ratio carries out hydro-thermal reaction (reaction temperature is 240 DEG C, reaction time 6h) so that modified alta-mud is made；
2) by polyvinyl chloride, isoprene rubber, vaseline, zinc borate, diethyl malonate, ethylenediamine, linoleic acid and modification
Bentonite is according to 50：26：55：16：36：8：16：30 weight ratio carries out mixing 60min and then extrusion molding so that thickness is made
For the heat-insulated polyvinyl chloride of 3mm-isoprene rubber composite cable sheath A3.
Comparative example 1
It carries out that composite cable sheath B1 is made according to the method for embodiment 1, unlike, aluminium salt is not used in step 1).
Comparative example 2
It carries out that composite cable sheath B2 is made according to the method for embodiment 1, unlike, pink salt is not used in step 1).
Comparative example 3
Carry out that composite cable sheath B3 is made according to the method for embodiment 1, unlike, be not used in step 1) aluminium salt,
Pink salt.
Comparative example 4
It carries out that composite cable sheath B4 is made according to the method for embodiment 1, unlike, it is swollen that modification is not used in step 2)
Profit soil.
Detect example 1
The coefficient of heat insulation of composite cable sheath is detected according to the method for GB/T3399-1982, concrete outcome is shown in Table 1.
Table 1
| Coefficient of heat insulation (W/ (mK)) | |
| A1 | 0.077 |
| A2 | 0.069 |
| A3 | 0.060 |
| B1 | 0.20 |
| B2 | 0.27 |
| B3 | 0.55 |
| B4 | 0.79 |
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 (9)
1. a kind of preparation method of heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath, which is characterized in that including：
1) bentonite, aluminium salt, pink salt, alkali and water are subjected to hydro-thermal reaction so that modified alta-mud is made；
2) by polyvinyl chloride, isoprene rubber, vaseline, zinc borate, diethyl malonate, ethylenediamine, linoleic acid and bentone
Soil is kneaded and then extrusion molding is to be made heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath.
2. preparation method according to claim 1, wherein in step 1), the bentonite, aluminium salt, pink salt, alkali and water
Weight ratio be 50：8-12：5-10：15-20：100-200.
3. preparation method according to claim 1, wherein the hydro-thermal reaction meets the following conditions：Reaction temperature is
200-240 DEG C, reaction time 6-10h.
4. preparation method according to claim 1, wherein the aluminium salt is in aluminium chloride, aluminum sulfate and aluminum nitrate
At least one.
5. preparation method according to claim 1, wherein the pink salt is in stannic chloride, STANNOUS SULPHATE CRYSTALLINE and nitric acid tin
At least one.
6. preparation method according to claim 1, wherein the alkali is in sodium hydroxide, potassium hydroxide and ammonium hydroxide
At least one.
7. preparation method according to claim 1, wherein in step 2), the polyvinyl chloride, isoprene rubber, all scholars
Woods, zinc borate, diethyl malonate, ethylenediamine, linoleic acid and modified alta-mud weight ratio be 50：18-26：40-55：10-
16：25-36：2-8：10-16：27-30.
8. preparation method according to claim 1, wherein the time of the mixing is 40-60min.
9. a kind of heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath, which is characterized in that the heat-insulated polyvinyl chloride-isoamyl
Rubber composite cable sheath is prepared by the preparation method described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499236.2A CN108586999A (en) | 2018-05-23 | 2018-05-23 | Heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499236.2A CN108586999A (en) | 2018-05-23 | 2018-05-23 | Heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108586999A true CN108586999A (en) | 2018-09-28 |
Family
ID=63632858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810499236.2A Withdrawn CN108586999A (en) | 2018-05-23 | 2018-05-23 | Heat-insulated polyvinyl chloride-isoprene rubber composite cable sheath and preparation method thereof |
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| Country | Link |
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| CN (1) | CN108586999A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908522A (en) * | 2021-01-18 | 2021-06-04 | 甘肃金强信邦电缆有限公司 | Preparation method of crosslinked polyolefin insulated cable |
-
2018
- 2018-05-23 CN CN201810499236.2A patent/CN108586999A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908522A (en) * | 2021-01-18 | 2021-06-04 | 甘肃金强信邦电缆有限公司 | Preparation method of crosslinked polyolefin insulated cable |
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