CN110746667A - Corrosion-resistant cable sheath material and preparation method thereof - Google Patents
Corrosion-resistant cable sheath material and preparation method thereof Download PDFInfo
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- CN110746667A CN110746667A CN201911227190.XA CN201911227190A CN110746667A CN 110746667 A CN110746667 A CN 110746667A CN 201911227190 A CN201911227190 A CN 201911227190A CN 110746667 A CN110746667 A CN 110746667A
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
- 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
- C08L2205/03—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
Abstract
The invention discloses a corrosion-resistant cable sheath material and a preparation method thereof, wherein the preparation method comprises the following steps: mixing nitrile rubber, natural rubber, chlorosulfonated polyethylene, polyvinyl chloride and dioctyl phthalate, adding the mixture into the mixture to be subjected to banburying concentration, performing primary mixing, and then sequentially adding antimony trioxide, polyethylene wax, an accelerator, aromatic oil, kaolin and an antioxidant into the mixture to perform secondary mixing to obtain a blank N; and vulcanizing the blank N to obtain the corrosion-resistant cable sheath material. The problem of traditional cable cladding material corrosion resistance not high, easily corroded rupture in the operational environment is solved.
Description
Technical Field
The invention relates to the field of cable materials, in particular to a corrosion-resistant cable sheath material and a preparation method thereof.
Background
The cable sheath is the outermost layer of the cable and serves as the most important barrier for protecting the safety of the internal structure in the cable, and the cable is protected from mechanical damage during and after installation; cable jackets are not intended to replace the reinforcing armour inside the cable, but they may provide a relatively high level of but limited protection, and in addition, cable jackets also provide moisture, chemical, uv and ozone protection. At present, the traditional cable coating material has low corrosion resistance and is easy to be corroded and broken in an operating environment.
Disclosure of Invention
The invention aims to provide a corrosion-resistant cable sheath material and a preparation method thereof, and solves the problems that the traditional cable coating material is low in corrosion resistance and is easy to corrode and crack in an operating environment.
In order to achieve the above object, the present invention provides a method for preparing a corrosion-resistant cable sheath material, the method comprising: mixing nitrile rubber, natural rubber, chlorosulfonated polyethylene, polyvinyl chloride and dioctyl phthalate, adding the mixture into the mixture to be subjected to banburying concentration, performing primary mixing, and then sequentially adding antimony trioxide, polyethylene wax, an accelerator, aromatic oil, kaolin and an antioxidant into the mixture to perform secondary mixing to obtain a blank N;
and vulcanizing the blank N to obtain the corrosion-resistant cable sheath material.
The invention also provides a corrosion-resistant cable sheath material, which is prepared by the preparation method.
Through the technical scheme, the invention provides a corrosion-resistant cable sheath material and a preparation method thereof, wherein the preparation method comprises the following steps: mixing nitrile rubber, natural rubber, chlorosulfonated polyethylene, polyvinyl chloride and dioctyl phthalate, adding the mixture into the mixture to be subjected to banburying concentration, performing primary mixing, and then sequentially adding antimony trioxide, polyethylene wax, an accelerator, aromatic oil, kaolin and an antioxidant into the mixture to perform secondary mixing to obtain a blank N; and vulcanizing the blank N to obtain the corrosion-resistant cable sheath material. Through the synergistic effect of the raw materials, the prepared cable material has excellent mechanical property and corrosion resistance.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The invention provides a preparation method of a corrosion-resistant cable sheath material, which comprises the following steps: mixing nitrile rubber, natural rubber, chlorosulfonated polyethylene, polyvinyl chloride and dioctyl phthalate, adding the mixture into the mixture to be subjected to banburying concentration, performing primary mixing, and then sequentially adding antimony trioxide, polyethylene wax, an accelerator, aromatic oil, kaolin and an antioxidant into the mixture to perform secondary mixing to obtain a blank N;
and vulcanizing the blank N to obtain the corrosion-resistant cable sheath material.
In a preferred embodiment of the present invention, in order to further improve the corrosion resistance of the prepared cable sheath material, the natural rubber is used in an amount of 50 to 60 parts by weight, the chlorosulfonated polyethylene is used in an amount of 20 to 30 parts by weight, the polyvinyl chloride is used in an amount of 10 to 16 parts by weight, the dioctyl phthalate is used in an amount of 5 to 10 parts by weight, the antimony trioxide is used in an amount of 2 to 5 parts by weight, the polyethylene wax is used in an amount of 1 to 10 parts by weight, the accelerator is used in an amount of 2 to 5 parts by weight, the aromatic oil is used in an amount of 1 to 5 parts by weight, the kaolin is used in an amount of 1 to 4 parts by weight, and the antioxidant is used in an amount of 2 to 5 parts by weight, relative to 100 parts by weight of the nitrile rubber.
In a preferred embodiment of the present invention, in order to further improve the corrosion resistance of the prepared cable sheath material, the accelerator is one or more of triethylene diamine, dibutyltin dilaurate and stannous octoate.
In a preferred embodiment of the present invention, the antioxidant is antioxidant PPD or antioxidant CPPD, in order to further improve the corrosion resistance of the cable jacket material to be produced.
In a preferred embodiment of the invention, in order to further improve the corrosion resistance of the prepared cable sheath material, the first mixing condition comprises heating to 50-60 ℃ for mixing for 5-10min, then heating to 90-100 ℃, and continuing mixing for 2-5 min.
In a preferred embodiment of the invention, in order to further improve the corrosion resistance of the prepared cable sheath material, the second mixing condition comprises heating to 80-85 ℃ and mixing for 1-2min, then cooling to 55-60 ℃, and continuing mixing for 3-5 min.
In a preferred embodiment of the present invention, in order to further improve the corrosion resistance of the prepared cable sheath material, the vulcanization conditions include: and (3) placing the blank N in a flat vulcanizing machine to vulcanize for 2-3min at the temperature of 144-155 ℃.
The invention also provides a corrosion-resistant cable sheath material, which is prepared by the preparation method.
The present invention will be described in detail below by way of examples.
Example 1
Mixing nitrile rubber, natural rubber, chlorosulfonated polyethylene, polyvinyl chloride and dioctyl phthalate, adding the mixture into the mixture, carrying out banburying concentration, carrying out primary mixing (the conditions of the primary mixing comprise heating to 50 ℃, mixing for 5min, heating to 90 ℃, and continuously mixing for 2min), then sequentially adding antimony trioxide, polyethylene wax, triethylene diamine, aromatic oil, kaolin and an antioxidant PPD, and carrying out secondary mixing (the conditions of the secondary mixing comprise heating to 80 ℃, mixing for 1min, cooling to 55 ℃, and continuously mixing for 3min) to obtain a blank N; and (3) putting the blank N into a flat vulcanizing machine, and vulcanizing at 144 ℃ for 2min to obtain the corrosion-resistant cable sheath material. The rubber composition comprises 100g of nitrile rubber, 50g of natural rubber, 20g of chlorosulfonated polyethylene, 10g of polyvinyl chloride, 5g of dioctyl phthalate, 2g of antimony trioxide, 1g of polyethylene wax, 2g of accelerator, 1g of aromatic oil, 1g of kaolin and 2g of anti-aging agent.
Example 2
Mixing nitrile rubber, natural rubber, chlorosulfonated polyethylene, polyvinyl chloride and dioctyl phthalate, adding the mixture into the mixture, carrying out banburying concentration, carrying out primary mixing (the conditions of the primary mixing comprise heating to 60 ℃, mixing for 10min, heating to 100 ℃, continuing to mix for 5min), then sequentially adding antimony trioxide, polyethylene wax, triethylene diamine, aromatic oil, kaolin and an antioxidant PPD, and carrying out secondary mixing (the conditions of the secondary mixing comprise heating to 85 ℃, mixing for 2min, cooling to 60 ℃, continuing to mix for 5min) to obtain a blank N; and (3) putting the blank N into a flat vulcanizing machine, and vulcanizing at 155 ℃ for 3min to obtain the corrosion-resistant cable sheath material. The rubber comprises 100g of nitrile rubber, 60g of natural rubber, 30g of chlorosulfonated polyethylene, 16g of polyvinyl chloride, 10g of dioctyl phthalate, 5g of antimony trioxide, 10g of polyethylene wax, 5g of accelerator, 5g of aromatic oil, 4g of kaolin and 5g of anti-aging agent.
Example 3
Mixing nitrile rubber, natural rubber, chlorosulfonated polyethylene, polyvinyl chloride and dioctyl phthalate, adding the mixture into the mixture, carrying out banburying concentration, carrying out primary mixing (the conditions of the primary mixing comprise heating to 55 ℃, mixing for 8min, heating to 95 ℃, and continuing to mix for 3min), then sequentially adding antimony trioxide, polyethylene wax, triethylene diamine, aromatic oil, kaolin and an antioxidant PPD, and carrying out secondary mixing (the conditions of the secondary mixing comprise heating to 82 ℃, mixing for 1.5min, cooling to 58 ℃, and continuing to mix for 4min) to obtain a blank N; and (3) putting the blank N into a flat vulcanizing machine, and vulcanizing at 150 ℃ for 2.5min to obtain the corrosion-resistant cable sheath material. Relative to 100g of nitrile rubber, the dosage of natural rubber is 55g, the dosage of chlorosulfonated polyethylene is 25g, the dosage of polyvinyl chloride is 12g, the dosage of dioctyl phthalate is 6g, the dosage of antimony trioxide is 3g, the dosage of polyethylene wax is 5g, the dosage of accelerator is 3g, the dosage of aromatic oil is 4g, the dosage of kaolin is 2g, and the dosage of anti-aging agent is 3 g.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (8)
1. A preparation method of a corrosion-resistant cable sheath material is characterized by comprising the following steps: mixing nitrile rubber, natural rubber, chlorosulfonated polyethylene, polyvinyl chloride and dioctyl phthalate, adding the mixture into the mixture to be subjected to banburying concentration, performing primary mixing, and then sequentially adding antimony trioxide, polyethylene wax, an accelerator, aromatic oil, kaolin and an antioxidant into the mixture to perform secondary mixing to obtain a blank N;
and vulcanizing the blank N to obtain the corrosion-resistant cable sheath material.
2. The preparation method according to claim 1, wherein the natural rubber is used in an amount of 50 to 60 parts by weight, the chlorosulfonated polyethylene is used in an amount of 20 to 30 parts by weight, the polyvinyl chloride is used in an amount of 10 to 16 parts by weight, the dioctyl phthalate is used in an amount of 5 to 10 parts by weight, the antimony trioxide is used in an amount of 2 to 5 parts by weight, the polyethylene wax is used in an amount of 1 to 10 parts by weight, the accelerator is used in an amount of 2 to 5 parts by weight, the aromatic oil is used in an amount of 1 to 5 parts by weight, the kaolin is used in an amount of 1 to 4 parts by weight, and the anti-aging agent is used in an amount of 2 to 5 parts by weight, relative to 100 parts by weight of the nitrile rubber.
3. The method of claim 2, wherein the accelerator is one or more of triethylene diamine, dibutyltin dilaurate, and stannous octoate.
4. The production method according to claim 2, wherein the antioxidant is antioxidant PPD or antioxidant CPPD.
5. The preparation method of claim 1, wherein the first mixing condition comprises heating to 50-60 deg.C, mixing for 5-10min, heating to 90-100 deg.C, and further mixing for 2-5 min.
6. The production method according to claim 5, wherein the conditions of the second kneading include: heating to 80-85 deg.C, mixing for 1-2min, cooling to 55-60 deg.C, and mixing for 3-5 min.
7. The production method according to claim 1, wherein the vulcanization conditions include: and (3) placing the blank N in a flat vulcanizing machine to vulcanize for 2-3min at the temperature of 144-155 ℃.
8. A corrosion-resistant cable sheath material, characterized in that the corrosion-resistant cable sheath material is prepared by the preparation method of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911227190.XA CN110746667A (en) | 2019-12-04 | 2019-12-04 | Corrosion-resistant cable sheath material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911227190.XA CN110746667A (en) | 2019-12-04 | 2019-12-04 | Corrosion-resistant cable sheath material and preparation method thereof |
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| CN110746667A true CN110746667A (en) | 2020-02-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007517117A (en) * | 2003-12-24 | 2007-06-28 | ダウ グローバル テクノロジーズ インコーポレイティド | Thermoreversible crosslinking of polymers |
| CN103788517A (en) * | 2014-01-17 | 2014-05-14 | 安徽中通电缆科技有限公司 | Sheathing material for power cables and preparation method thereof |
| CN105254952A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | Oil-proof and corrosion-proof modified nitrile rubber sheathed power cable |
| CN105254953A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | High-performance nitrile butadiene rubber cable jacket material and preparation method thereof |
-
2019
- 2019-12-04 CN CN201911227190.XA patent/CN110746667A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007517117A (en) * | 2003-12-24 | 2007-06-28 | ダウ グローバル テクノロジーズ インコーポレイティド | Thermoreversible crosslinking of polymers |
| CN103788517A (en) * | 2014-01-17 | 2014-05-14 | 安徽中通电缆科技有限公司 | Sheathing material for power cables and preparation method thereof |
| CN105254952A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | Oil-proof and corrosion-proof modified nitrile rubber sheathed power cable |
| CN105254953A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | High-performance nitrile butadiene rubber cable jacket material and preparation method thereof |
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Application publication date: 20200204 |
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