CN117024640A - Preparation method of novel high-strength cable sheath material - Google Patents
Preparation method of novel high-strength cable sheath material Download PDFInfo
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- CN117024640A CN117024640A CN202311146143.9A CN202311146143A CN117024640A CN 117024640 A CN117024640 A CN 117024640A CN 202311146143 A CN202311146143 A CN 202311146143A CN 117024640 A CN117024640 A CN 117024640A
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- Prior art keywords
- cable sheath
- ethylene
- methoxyphenol
- propenyl
- sheath material
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- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 70
- NXXYKOUNUYWIHA-UHFFFAOYSA-N 2,6-Dimethylphenol Chemical compound CC1=CC=CC(C)=C1O NXXYKOUNUYWIHA-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 31
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000005977 Ethylene Substances 0.000 claims abstract description 27
- BJIOGJUNALELMI-UHFFFAOYSA-N isoeugenol Chemical compound COC1=CC(C=CC)=CC=C1O BJIOGJUNALELMI-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000007334 copolymerization reaction Methods 0.000 claims abstract description 14
- 239000003999 initiator Substances 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 5
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical group CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims description 5
- NKNDPYCGAZPOFS-UHFFFAOYSA-M copper(i) bromide Chemical compound Br[Cu] NKNDPYCGAZPOFS-UHFFFAOYSA-M 0.000 claims description 5
- 229960001867 guaiacol Drugs 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- -1 ethylene-tetrafluoroethylene Chemical group 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000001667 (E)-4-furan-2-ylbut-3-en-2-one Substances 0.000 description 3
- GBKGJMYPQZODMI-SNAWJCMRSA-N (e)-4-(furan-2-yl)but-3-en-2-one Chemical compound CC(=O)\C=C\C1=CC=CO1 GBKGJMYPQZODMI-SNAWJCMRSA-N 0.000 description 3
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention relates to the technical field of preparation of new cable materials, in particular to a preparation method of a novel high-strength cable sheath material, which comprises the following steps: firstly, adding raw materials such as 4-propenyl-2-methoxyphenol, ethylene and toluene into an autoclave together according to a certain proportion for reaction, then adding raw materials into the autoclave, then adding a certain proportion of initiator, using the initiator to make the 4-propenyl-2-methoxyphenol, ethylene and toluene produce copolymerization reaction under the action of the initiator, finally mixing the product produced by the copolymerization reaction in the autoclave with 2, 6-dimethylphenol, then using toluene as a solvent, connecting and connecting oxygen under the action of a catalyst, and carrying out polymerization reaction on the product under the action of oxygen.
Description
Technical Field
The invention relates to the technical field of preparation of new cable materials, in particular to a preparation method of a novel high-strength cable sheath material.
Background
The cable is applied to various fields such as power transmission, signal transmission and the like, is an industry with huge economic output value in China, mainly comprises four parts of conductors, an insulating layer, a shielding layer and a sheath, and the sheath mainly plays roles of protecting the insulating layer, bearing mechanical external force or tensile force, avoiding damage to wires and the like and is an important part of the cable.
Through searching, as disclosed in Chinese patent literature CN 112391004A, a high-strength corrosion-resistant cable sheath material and a preparation method thereof, through modifying and blending ETFE and furfural acetone resin, the interfacial binding force between ethylene-tetrafluoroethylene blend and furfural acetone resin is enhanced, the cross-linking effect is generated between the resins, and the advantages of the ethylene-tetrafluoroethylene blend and the furfural acetone resin are combined, so that the cable sheath material has excellent mechanical property, wear resistance, corrosion resistance, electrical insulation and molding processability;
the cable sheath protects the insulating layer from invasion of water, moisture and other harmful substances in the laying and running processes, is not influenced by mechanical damage and various environmental factors, ensures that the electrical performance of cable insulation is kept stable for a long time, the quality of the cable sheath is directly related to the service life of the cable, the structure and the material of the sheath depend on the voltage level, insulating materials and service environment of the cable, the typical sheath structure comprises two parts of a sheath (inner sheath) and an outer sheath, the sheath is tightly attached to the insulating layer and is used for preventing the insulating layer from being affected by damp, mechanical damage, light, chemical corrosive media and the like, so as to ensure the long-term stability of the insulating performance, and meanwhile, short-circuit current can also flow through, the cable sheath is an insulating direct protection layer, the outer sheath is a protection layer of the sheath, covers the sheath, increases the tensile and compressive mechanical strength of the cable, can prevent the sheath from corroding and is prevented from being damaged by other environments, and the structure of the cable outer sheath mainly depends on the type of the cable sheath and the requirements of the laying environment;
common cable sheath materials comprise polyethylene, polypropylene, polyvinyl chloride, polyurethane and the like, and in order to prepare the cable sheath material with high strength and stable performance, a novel high-strength cable sheath new material is designed and synthesized.
Disclosure of Invention
The invention aims to provide a preparation method of a novel high-strength cable sheath material, which aims to solve the problems in the background technology.
In order to achieve the above object, one of the objects of the present invention is to provide a method for preparing a novel high-strength cable sheath material, which comprises the following steps:
step one: the preparation method comprises the steps of putting raw materials such as 4-propenyl-2-methoxyphenol, ethylene and toluene into an autoclave together according to a certain proportion, and reacting:
step two: adding raw materials into an autoclave, adding a certain proportion of initiator, and using the initiator to make 4-propenyl-2-methoxyphenol and ethylene and toluene produce copolymerization reaction under the action of the initiator;
step three: mixing the product produced by the copolymerization reaction in the high-pressure reaction kettle in the second step with 2, 6-dimethylphenol, then using toluene as a solvent, connecting and switching on oxygen under the action of a catalyst, and carrying out polymerization reaction on the product under the action of oxygen.
As a further improvement of the technical scheme, the material composition of the high-strength cable sheath material comprises the following components:
14-propenyl-2-methoxyphenol, ethylene, 2, 6-dimethylphenol.
As a further improvement of the technical scheme, in the first step, the molar ratio of the 4-propenyl-2-methoxyphenol to the ethylene is 1-2: 100.
as a further improvement of the technical scheme, in the second step, the initiator used for the copolymerization reaction in the autoclave is di-tert-butyl peroxide, and the molar ratio of the di-tert-butyl peroxide to the ethylene is 0.1-0.2: 100.
as a further improvement of the technical scheme, in the second step, the polymerization temperature required by the copolymerization between 4-propenyl-2-methoxyphenol, ethylene and toluene is 150-300 ℃ and the time required by the polymerization time is 1-10 h through an autoclave.
As a further improvement of the technical scheme, in the third step, the molar ratio of 4-propenyl-2-methoxyphenol to 2, 6-dimethylphenol required by the polymerization reaction is 1: 5-10, wherein the molar ratio of the 2, 6-dimethylphenol to the cuprous bromide to the di-n-butylamine is 400:1:45, and oxygen is required to be continuously introduced when the polymerization reaction occurs.
As a further improvement of the technical scheme, in the step three, the solvent used in the polymerization reaction is toluene, the temperature required in the polymerization reaction is 80-110 ℃, and the time of the polymerization reaction is 2-6 h.
Compared with the prior art, the invention has the beneficial effects that:
in the preparation method of the novel high-strength cable sheath material, the 4-propenyl-2-methoxyphenol and ethylene are subjected to copolymerization reaction, and then the product is copolymerized with 2, 6-dimethylphenol to obtain the novel high-strength cable sheath material, and the obtained material has good physical and chemical properties and mechanical properties.
Drawings
FIG. 1 is a schematic diagram of the chemical reaction structure of the present invention.
FIG. 2 is a flow chart of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, an objective of this embodiment is to provide a new method for preparing a novel high-strength cable sheath material, which is characterized in that: the preparation method comprises the following steps:
step one: the raw materials of 4-propenyl-2-methoxyphenol, ethylene, toluene and the like are put into an autoclave together according to a certain proportion to react, and the molar ratio of the 4-propenyl-2-methoxyphenol to the ethylene is 1-2: 100:
step two: after raw materials are added into an autoclave, a certain proportion of initiator is added, under the action of the initiator, 4-propenyl-2-methoxyphenol and ethylene react with toluene in a copolymerization way, the initiator used in the autoclave is di-tert-butyl peroxide, and the molar ratio of the di-tert-butyl peroxide to the ethylene is 0.1-0.2: 100, the polymerization temperature required by the copolymerization reaction between 4-propenyl-2-methoxyphenol, ethylene and toluene is 150-300 ℃ and the time required by the polymerization time is 1-10 h through an autoclave;
step three: mixing a product generated by the copolymerization reaction in the high-pressure reaction kettle in the second step with 2, 6-dimethylphenol, then using toluene as a solvent, connecting and switching on oxygen under the action of a catalyst, and carrying out polymerization reaction on the product under the action of the oxygen, wherein the molar ratio of 4-propenyl-2-methoxyphenol to 2, 6-dimethylphenol required by the polymerization reaction is 1: 5-10, wherein the molar ratio of the 2, 6-dimethylphenol to the cuprous bromide to the di-n-butylamine is 400:1:45, oxygen is required to be continuously introduced when the polymerization reaction occurs, the solvent used in the polymerization reaction is toluene, the temperature required in the polymerization reaction is 80-110 ℃, and the polymerization reaction time is 2-6 h.
The material composition of the high-strength cable sheath material comprises the following components:
14-propenyl-2-methoxyphenol, ethylene, 2, 6-dimethylphenol.
By the molar ratio of 1-2: 100 taking 4-propenyl-2-methoxyphenol and ethylene, putting the 4-propenyl-2-methoxyphenol and the ethylene into an autoclave, adding toluene, and adding the mixture into the autoclave at a molar ratio of 0.1-0.2: 100, then raising the temperature in the autoclave to between 150 and 300 ℃ and then continuing for a further 1 to 10 hours, and then mixing the product in the autoclave with 2, 6-dimethylphenol and keeping the molar ratio of the amount of 2, 6-dimethylphenol dosed to 4-propenyl-2-methoxyphenol between 5 and 10: and 1, finally, adding a catalyst into a toluene solvent to perform polymerization reaction, and keeping the reaction temperature at 80-110 ℃ and the duration at 2-6 h, so that a novel high-strength cable sheath new material can be obtained.
Example 2:
4-propenyl-2-methoxyphenol (0.01 mol, 1.640 g), di-t-butyl peroxide (0.001 mol,0.1462 g) and 10ml of toluene were charged into a 100ml autoclave, liquefied ethylene (1 mol,28 g) was introduced at a polymerization temperature of 200℃for 1 hour, and after completion of the reaction, ethylene was recovered, and the reaction product of the first step, 2, 6-dimethylphenol (0.1 mol,12.216 g), cuprous bromide (0.00025 mol,0.0359 g) and di-n-butylamine (0.0125 mol,1.454 g) were recovered, and 10ml of toluene was added to the autoclave, and the polymerization was continued by introducing oxygen at a polymerization temperature of 80℃for 3 hours.
Example 3:
4-propenyl-2-methoxyphenol (0.02 mol,3.284 g), di-t-butyl peroxide (0.001 mol,0.1462 g) and 10ml of toluene were charged into a 100ml autoclave, liquefied ethylene (1 mol,28 g) was introduced at a polymerization temperature of 200℃for 1 hour, and after completion of the reaction, ethylene was recovered, and the reaction product of the first step, 2, 6-dimethylphenol (0.1 mol,12.216 g), cuprous bromide (0.00025 mol,0.0359 g) and di-n-butylamine (0.0125 mol,1.454 g) were polymerized by introducing 10ml of toluene into the autoclave, and continuously introducing oxygen at a polymerization temperature of 80℃for 3 hours.
The novel high strength cable sheath materials prepared in examples 2-3, wherein the tensile strength and elongation at break are as shown in Table one:
list one
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A preparation method of a novel high-strength cable sheath material is characterized by comprising the following steps: the preparation method comprises the following steps:
step one: the preparation method comprises the steps of putting raw materials such as 4-propenyl-2-methoxyphenol, ethylene and toluene into an autoclave together according to a certain proportion, and reacting:
step two: adding raw materials into an autoclave, adding a certain proportion of initiator, and using the initiator to make 4-propenyl-2-methoxyphenol and ethylene and toluene produce copolymerization reaction under the action of the initiator;
step three: mixing the product produced by the copolymerization reaction in the high-pressure reaction kettle in the second step with 2, 6-dimethylphenol, then using toluene as a solvent, connecting and switching on oxygen under the action of a catalyst, and carrying out polymerization reaction on the product under the action of oxygen.
2. The high-strength cable sheath material applied to the method as claimed in claim 1, which is characterized in that: the material composition of the high-strength cable sheath material comprises the following components:
14-propenyl-2-methoxyphenol, ethylene, 2, 6-dimethylphenol.
3. The method for preparing the novel high-strength cable sheath material according to claim 1, wherein: in the first step, the molar ratio of the 4-propenyl-2-methoxyphenol to the ethylene is 1-2: 100.
4. the method for preparing the novel high-strength cable sheath material according to claim 1, wherein: in the second step, the initiator used for the copolymerization reaction in the autoclave is di-tert-butyl peroxide, and the molar ratio of the di-tert-butyl peroxide to the ethylene is 0.1-0.2: 100.
5. the method for preparing the novel high-strength cable sheath material according to claim 1, wherein: in the second step, the polymerization temperature required by the copolymerization reaction between 4-propenyl-2-methoxyphenol, ethylene and toluene is 150-300 ℃ and the time required by the polymerization time is 1-10 h through an autoclave.
6. The method for preparing the novel high-strength cable sheath material according to claim 1, wherein: in the third step, the molar ratio of the 4-propenyl-2-methoxyphenol to the 2, 6-dimethylphenol required by the polymerization reaction is 1: 5-10, wherein the molar ratio of the 2, 6-dimethylphenol to the cuprous bromide to the di-n-butylamine is 400:1:45, and oxygen is required to be continuously introduced when the polymerization reaction occurs.
7. The method for preparing the novel high-strength cable sheath material according to claim 1, wherein: in the third step, the solvent used in the polymerization reaction is toluene, the temperature required in the polymerization reaction is 80-110 ℃, and the time of the polymerization reaction is 2-6 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311146143.9A CN117024640A (en) | 2023-09-06 | 2023-09-06 | Preparation method of novel high-strength cable sheath material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311146143.9A CN117024640A (en) | 2023-09-06 | 2023-09-06 | Preparation method of novel high-strength cable sheath material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117024640A true CN117024640A (en) | 2023-11-10 |
Family
ID=88635474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311146143.9A Pending CN117024640A (en) | 2023-09-06 | 2023-09-06 | Preparation method of novel high-strength cable sheath material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117024640A (en) |
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2023
- 2023-09-06 CN CN202311146143.9A patent/CN117024640A/en active Pending
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