CN115521557A - Preparation method of waterproof PVC cable sheath material for electric bicycle - Google Patents
Preparation method of waterproof PVC cable sheath material for electric bicycle Download PDFInfo
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- CN115521557A CN115521557A CN202211204409.6A CN202211204409A CN115521557A CN 115521557 A CN115521557 A CN 115521557A CN 202211204409 A CN202211204409 A CN 202211204409A CN 115521557 A CN115521557 A CN 115521557A
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- 239000000463 material Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000002981 blocking agent Substances 0.000 claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 27
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003063 flame retardant Substances 0.000 claims abstract description 27
- 239000003365 glass fiber Substances 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 27
- 239000011347 resin Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000004898 kneading Methods 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 14
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 241000779819 Syncarpia glomulifera Species 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 7
- 239000003999 initiator Substances 0.000 claims description 7
- 238000007885 magnetic separation Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 239000001739 pinus spp. Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 7
- 229940036248 turpentine Drugs 0.000 claims description 7
- 239000012856 weighed raw material Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 2
- 238000003860 storage Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Classifications
-
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- 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
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention relates to the technical field of cable sheath materials, and discloses a preparation method of a waterproof PVC cable sheath material for an electric bicycle, aiming at solving the problem that the existing cable sheath material for the electric bicycle is poor in waterproof performance when in use, wherein the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 15-25 parts of glass fiber, 10-20 parts of nitrile rubber, 5-10 parts of waterproof wax, 3-5 parts of silicon dioxide powder, 3-5 parts of flame retardant, 6-12 parts of water blocking agent, 10-16 parts of film forming agent and 0.2-0.8 part of silane coupling agent. In the preparation process, the waterproof wax, the water-blocking agent and the film-forming agent are added, the proportion of the components is scientific, and the prepared PVC cable sheath material for the electric bicycle is excellent in waterproof performance, has good mechanical strength and can effectively protect cables on the electric bicycle.
Description
Technical Field
The invention relates to the technical field of cable sheath materials, in particular to a preparation method of a waterproof PVC cable sheath material for an electric bicycle.
Background
The electric bicycle is a vehicle which takes a storage battery as auxiliary energy, and is provided with a motor, a controller, the storage battery, a rotating handle brake handle and other operation components and a display instrument system on the basis of a common bicycle, more cables are required to be arranged on the electric bicycle, when the electric bicycle is used outdoors, rainwater weather is met, and the existing cable sheath for the electric bicycle has the problem of poor waterproof performance when the electric bicycle is used.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a preparation method of a waterproof PVC cable sheath material for an electric bicycle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a waterproof PVC cable sheath material for an electric bicycle comprises the following components in parts by weight: 100 parts of PVC resin powder, 15-25 parts of glass fiber, 10-20 parts of nitrile rubber, 5-10 parts of waterproof wax, 3-5 parts of silicon dioxide powder, 3-5 parts of flame retardant, 6-12 parts of water blocking agent, 10-16 parts of film forming agent and 0.2-0.8 part of silane coupling agent;
the preparation method comprises the following steps:
step 1: weighing the components in parts by weight;
step 2: feeding PVC resin powder, glass fiber, nitrile rubber, waterproof wax and silicon dioxide powder into a kneading machine, heating and primarily kneading, adding a flame retardant, a modified water-blocking agent, a film-forming agent and a silane coupling agent, heating and kneading for the second time to obtain a mixture;
and step 3: and (3) feeding the mixture obtained in the step (2) into a double-screw extruder for extrusion granulation, and carrying out air cooling, screening magnetic separation, metering and packaging to obtain the required sheath material.
Preferably, the heating temperature of the preliminary kneading in the step 2 is 60-70 ℃, and the kneading time is 10-15min; the heating temperature of the second kneading is 80-90 deg.C, and the kneading time is 10-15min.
Preferably, the temperature for extrusion granulation in the twin-screw extruder in the step 3 is 150-170 ℃.
Preferably, the preparation method of the water-blocking agent comprises the following steps: according to the following steps of 10: (4-6): (1-3): (0.5-1): (0.4-0.6) weighing the following raw material components in percentage by weight: acrylic acid, urea, turpentine, initiator and cross-linking agent; and uniformly mixing the weighed raw materials to obtain the water-blocking agent.
Preferably, the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 20 parts of glass fiber, 15 parts of nitrile rubber, 7.5 parts of waterproof wax, 4 parts of silicon dioxide powder, 4 parts of flame retardant, 9 parts of water blocking agent, 13 parts of film forming agent and 0.5 part of silane coupling agent.
Preferably, the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 15 parts of glass fiber, 10 parts of nitrile rubber, 5 parts of waterproof wax, 3 parts of silicon dioxide powder, 3 parts of flame retardant, 6 parts of water blocking agent, 10 parts of film forming agent and 0.2 part of silane coupling agent.
Preferably, the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 25 parts of glass fiber, 20 parts of nitrile rubber, 10 parts of waterproof wax, 5 parts of silicon dioxide powder, 5 parts of flame retardant, 12 parts of water blocking agent, 16 parts of film forming agent and 0.8 part of silane coupling agent.
Preferably, the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 18-22 parts of glass fiber, 14-16 parts of nitrile rubber, 7-8 parts of waterproof wax, 3.9-4.1 parts of silicon dioxide powder, 3.8-4.2 parts of flame retardant, 8-10 parts of water blocking agent, 12-14 parts of film forming agent and 0.4-0.6 part of silane coupling agent.
Preferably, the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 18 parts of glass fiber, 14 parts of nitrile rubber, 7 parts of waterproof wax, 3.9 parts of silicon dioxide powder, 3.8 parts of flame retardant, 8 parts of water-blocking agent, 12 parts of film-forming agent and 0.4 part of silane coupling agent.
Preferably, the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 22 parts of glass fiber, 16 parts of nitrile rubber, 8 parts of waterproof wax, 4.1 parts of silicon dioxide powder, 4.2 parts of flame retardant, 10 parts of water blocking agent, 14 parts of film forming agent and 0.6 part of silane coupling agent.
In the preparation process, the waterproof wax, the water-blocking agent and the film-forming agent are added, the proportion of the components is scientific, and the prepared PVC cable sheath material for the electric bicycle is excellent in waterproof performance, has good mechanical strength and can effectively protect cables on the electric bicycle.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1
According to the following steps of 10:4:1:0.5: weighing the following raw material components in a weight ratio of 0.4: acrylic acid, urea, turpentine, initiator and cross-linking agent; uniformly mixing the weighed raw materials to obtain a water-blocking agent;
weighing 100 g of PVC resin powder, 20 g of glass fiber, 15 g of nitrile rubber, 7.5 g of waterproof wax, 4 g of silicon dioxide powder, 4 g of flame retardant, 9 g of water-blocking agent, 13 g of film-forming agent and 0.5 g of silane coupling agent;
feeding PVC resin powder, glass fiber, nitrile rubber, waterproof wax and silicon dioxide powder into a kneading machine, heating to 60 ℃, primarily kneading for 10min, adding a flame retardant, a modified water-blocking agent, a film-forming agent and a silane coupling agent, heating to 80 ℃, and secondarily kneading for 10min to obtain a mixture; and (3) feeding the mixture obtained in the step (2) into a double-screw extruder, heating to 150 ℃, extruding and granulating, and performing air cooling, screening and magnetic separation, metering and packaging to obtain the required sheath material.
Example 2
According to the following steps of 10:4:1:0.5: weighing the following raw material components in a weight ratio of 0.4: acrylic acid, urea, turpentine, initiator and cross-linking agent; uniformly mixing the weighed raw materials to obtain a water-blocking agent;
weighing 100 g of PVC resin powder, 15 g of glass fiber, 10 g of nitrile rubber, 5 g of waterproof wax, 3 g of silicon dioxide powder, 3 g of flame retardant, 6 g of water-blocking agent, 10 g of film-forming agent and 0.2 g of silane coupling agent;
feeding PVC resin powder, glass fiber, nitrile rubber, waterproof wax and silicon dioxide powder into a kneading machine, heating to 70 ℃, primarily kneading for 15min, adding a flame retardant, a modified water-blocking agent, a film-forming agent and a silane coupling agent, heating to 90 ℃, and secondarily kneading for 15min to obtain a mixture; and (3) loading the mixture obtained in the step (2) into a double-screw extruder, heating to 170 ℃, extruding and granulating, and performing air cooling, screening and magnetic separation, metering and packaging to obtain the required sheath material.
Example 3
According to the following steps: 6:3:1: weighing the following raw material components in a weight ratio of 0.6: acrylic acid, urea, turpentine, initiator and cross-linking agent; uniformly mixing the weighed raw materials to obtain a water-blocking agent;
weighing 100 g of PVC resin powder, 25 g of glass fiber, 20 g of nitrile rubber, 10 g of waterproof wax, 5 g of silicon dioxide powder, 5 g of flame retardant, 12 g of water-blocking agent, 16 g of film-forming agent and 0.8 g of silane coupling agent;
feeding PVC resin powder, glass fiber, nitrile rubber, waterproof wax and silicon dioxide powder into a kneading machine, heating to 65 ℃ and primarily kneading for 12min, adding a flame retardant, a modified water-blocking agent, a film-forming agent and a silane coupling agent, heating to 85 ℃ and kneading for 13min secondarily to obtain a mixture; and (3) loading the mixture obtained in the step (2) into a double-screw extruder, heating to 160 ℃, extruding and granulating, and performing air cooling, screening and magnetic separation, metering and packaging to obtain the required sheath material.
Example 4
According to the following steps of 10:5:2:0.7: weighing the following raw material components in a weight ratio of 0.5: acrylic acid, urea, turpentine, initiator and cross-linking agent; uniformly mixing the weighed raw materials to obtain a water-blocking agent;
weighing 100 g of PVC resin powder, 18 g of glass fiber, 14 g of nitrile rubber, 7 g of waterproof wax, 3.9 g of silicon dioxide powder, 3.8 g of flame retardant, 8 g of water-blocking agent, 12 g of film-forming agent and 0.4 g of silane coupling agent;
feeding PVC resin powder, glass fiber, nitrile rubber, waterproof wax and silicon dioxide powder into a kneading machine, heating to 65 ℃, primarily kneading for 12min, adding a flame retardant, a modified water-blocking agent, a film-forming agent and a silane coupling agent, heating to 85 ℃, and kneading for 12min for the second time to obtain a mixture; and (3) feeding the mixture obtained in the step (2) into a double-screw extruder, heating to 160 ℃, extruding and granulating, and performing air cooling, screening and magnetic separation, metering and packaging to obtain the required sheath material.
Example 5
According to the following steps of 10:6:3:1: weighing the following raw material components in a weight ratio of 0.6: acrylic acid, urea, turpentine, initiator and cross-linking agent; uniformly mixing the weighed raw materials to obtain a water-blocking agent;
weighing 100 g of PVC resin powder, 22 g of glass fiber, 16 g of nitrile rubber, 8 g of waterproof wax, 4.1 g of silicon dioxide powder, 4.2 g of flame retardant, 10 g of water-blocking agent, 14 g of film-forming agent and 0.6 g of silane coupling agent;
feeding PVC resin powder, glass fiber, nitrile rubber, waterproof wax and silicon dioxide powder into a kneading machine, heating to 60 ℃, primarily kneading for 15min, adding a flame retardant, a modified water-blocking agent, a film-forming agent and a silane coupling agent, heating to 90 ℃, and kneading for 10min twice to obtain a mixture; and (3) loading the mixture obtained in the step (2) into a double-screw extruder, heating to 170 ℃, extruding and granulating, and performing air cooling, screening and magnetic separation, metering and packaging to obtain the required sheath material.
The waterproof performance of the PVC cable sheath material prepared in examples 1-5 is tested, and the test result shows that the waterproof performance is obviously superior to that of the existing PVC cable sheath material.
In the preparation process, the waterproof wax, the water-blocking agent and the film-forming agent are added, the proportion of the components is scientific, and the prepared PVC cable sheath material for the electric bicycle is excellent in waterproof performance, has good mechanical strength and can effectively protect cables on the electric bicycle.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The preparation method of the waterproof PVC cable sheath material for the electric bicycle is characterized in that the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 15-25 parts of glass fiber, 10-20 parts of nitrile rubber, 5-10 parts of waterproof wax, 3-5 parts of silicon dioxide powder, 3-5 parts of flame retardant, 6-12 parts of water blocking agent, 10-16 parts of film forming agent and 0.2-0.8 part of silane coupling agent;
the preparation method comprises the following steps:
step 1: weighing the components in parts by weight;
and 2, step: feeding PVC resin powder, glass fiber, nitrile rubber, waterproof wax and silicon dioxide powder into a kneading machine, heating and primarily kneading, adding a flame retardant, a modified water-blocking agent, a film-forming agent and a silane coupling agent, heating and kneading for the second time to obtain a mixture;
and step 3: and (3) feeding the mixture obtained in the step (2) into a double-screw extruder for extrusion granulation, and carrying out air cooling, screening magnetic separation, metering and packaging to obtain the required sheath material.
2. The method for preparing the waterproof PVC cable sheath material for the electric bicycle according to claim 1, wherein the heating temperature for preliminary kneading in step 2 is 60-70 ℃, and the kneading time is 10-15min;
the heating temperature of the second kneading is 80-90 ℃, and the kneading time is 10-15min.
3. The method for preparing the waterproof PVC cable sheath material for the electric bicycle according to claim 1, wherein the extrusion granulation temperature in the twin-screw extruder in the step 3 is 150-170 ℃.
4. The preparation method of the waterproof PVC cable sheath material for the electric bicycle according to any one of claims 1 to 3, wherein the preparation method of the water-blocking agent comprises the following steps: according to the following steps of 10: (4-6): (1-3): (0.5-1): (0.4-0.6) weighing the following raw material components in percentage by weight: acrylic acid, urea, turpentine, initiator and cross-linking agent; and uniformly mixing the weighed raw materials to obtain the water-blocking agent.
5. The preparation method of the waterproof PVC cable sheath material for the electric bicycle according to claim 1, wherein the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 20 parts of glass fiber, 15 parts of nitrile rubber, 7.5 parts of waterproof wax, 4 parts of silicon dioxide powder, 4 parts of flame retardant, 9 parts of water blocking agent, 13 parts of film forming agent and 0.5 part of silane coupling agent.
6. The preparation method of the waterproof PVC cable sheath material for the electric bicycle according to claim 1, wherein the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 15 parts of glass fiber, 10 parts of nitrile rubber, 5 parts of waterproof wax, 3 parts of silicon dioxide powder, 3 parts of flame retardant, 6 parts of water blocking agent, 10 parts of film forming agent and 0.2 part of silane coupling agent.
7. The preparation method of the waterproof PVC cable sheath material for the electric bicycle according to claim 1, wherein the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 25 parts of glass fiber, 20 parts of nitrile rubber, 10 parts of waterproof wax, 5 parts of silicon dioxide powder, 5 parts of flame retardant, 12 parts of water blocking agent, 16 parts of film forming agent and 0.8 part of silane coupling agent.
8. The preparation method of the waterproof PVC cable sheath material for the electric bicycle according to claim 1, wherein the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 18-22 parts of glass fiber, 14-16 parts of nitrile rubber, 7-8 parts of waterproof wax, 3.9-4.1 parts of silicon dioxide powder, 3.8-4.2 parts of flame retardant, 8-10 parts of water blocking agent, 12-14 parts of film forming agent and 0.4-0.6 part of silane coupling agent.
9. The preparation method of the waterproof PVC cable sheath material for the electric bicycle according to claim 1, wherein the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 18 parts of glass fiber, 14 parts of nitrile rubber, 7 parts of waterproof wax, 3.9 parts of silicon dioxide powder, 3.8 parts of flame retardant, 8 parts of water-blocking agent, 12 parts of film-forming agent and 0.4 part of silane coupling agent.
10. The preparation method of the waterproof PVC cable sheath material for the electric bicycle according to claim 1, wherein the PVC cable sheath material comprises the following components in parts by weight: 100 parts of PVC resin powder, 22 parts of glass fiber, 16 parts of nitrile rubber, 8 parts of waterproof wax, 4.1 parts of silicon dioxide powder, 4.2 parts of flame retardant, 10 parts of water blocking agent, 14 parts of film forming agent and 0.6 part of silane coupling agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211204409.6A CN115521557A (en) | 2022-09-30 | 2022-09-30 | Preparation method of waterproof PVC cable sheath material for electric bicycle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211204409.6A CN115521557A (en) | 2022-09-30 | 2022-09-30 | Preparation method of waterproof PVC cable sheath material for electric bicycle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106751225A (en) * | 2017-01-12 | 2017-05-31 | 芜湖航天特种电缆厂股份有限公司 | Wear-resistant cable sheath material and preparation method thereof |
| CN106751211A (en) * | 2016-12-23 | 2017-05-31 | 安徽天元电缆有限公司 | A kind of Waterproofing/oilproofing cable jacket material and preparation method thereof |
| CN113053578A (en) * | 2021-03-24 | 2021-06-29 | 上海上力特种电缆有限公司 | Water-blocking powder for waterproof cable, preparation method of water-blocking powder and waterproof cable |
| WO2021129216A1 (en) * | 2019-12-28 | 2021-07-01 | 江苏达胜高聚物股份有限公司 | Pvc cable material and preparation method therefor |
-
2022
- 2022-09-30 CN CN202211204409.6A patent/CN115521557A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106751211A (en) * | 2016-12-23 | 2017-05-31 | 安徽天元电缆有限公司 | A kind of Waterproofing/oilproofing cable jacket material and preparation method thereof |
| CN106751225A (en) * | 2017-01-12 | 2017-05-31 | 芜湖航天特种电缆厂股份有限公司 | Wear-resistant cable sheath material and preparation method thereof |
| WO2021129216A1 (en) * | 2019-12-28 | 2021-07-01 | 江苏达胜高聚物股份有限公司 | Pvc cable material and preparation method therefor |
| CN113053578A (en) * | 2021-03-24 | 2021-06-29 | 上海上力特种电缆有限公司 | Water-blocking powder for waterproof cable, preparation method of water-blocking powder and waterproof cable |
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Application publication date: 20221227 |