CN113130127B - Fire-resistant fire-retardant 5G tinned wire for communication - Google Patents
Fire-resistant fire-retardant 5G tinned wire for communication Download PDFInfo
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- CN113130127B CN113130127B CN202110411436.XA CN202110411436A CN113130127B CN 113130127 B CN113130127 B CN 113130127B CN 202110411436 A CN202110411436 A CN 202110411436A CN 113130127 B CN113130127 B CN 113130127B
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- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- 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
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- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention discloses a fireproof flame-retardant tinned copper wire for 5G communication, which comprises the following raw materials in percentage by weight: 20-30 parts of a copper wire matrix, 10-20 parts of a coating agent and 5-10 parts of a sintering material; the preparation method of the coating agent comprises the following steps: s1: montmorillonite is firstly sent into a rare earth lanthanum chloride solution with the mass fraction of 20-30% to be stirred for 20-30min, and the stirring speed is 100-200 r/min. According to the invention, the copper wire substrate is coated by the coating agent, the coating agent is activated and modified by adopting the montmorillonite and the rare earth lanthanum chloride solution, and finally, irradiation treatment is carried out, so that the activation performance can be excited, meanwhile, the montmorillonite has strong adsorbability, and can carry the flame-retardant liquid to adhere to the copper wire substrate, the bentonite in the flame-retardant liquid has a lamellar structure, the middle blocking effect can be achieved, the external heat of the sintering material is blocked from contacting with the coating agent, the delamination of the coating layer is prevented, and a good fireproof effect is achieved.
Description
Technical Field
The invention relates to the technical field of tinned copper wires, in particular to a fireproof flame-retardant tinned copper wire for 5G communication.
Background
Copper wires have a very important role in national production, are widely used for manufacturing parts such as transmission cables, circuit boards, integrated circuit lead frames, various switches, rectifiers and the like of electric power and telecommunication due to low cost and good conductivity compared with gold and silver, tinned copper wires are rapidly developed in recent years, the tinned copper wires are mainly used for conductive wire cores of rubber-insulated mining cables, flexible electric wires, flexible cables, boat cables and the like, and free sulfur precipitated from rubbers can be prevented from chemically reacting with copper after tinning the copper wires. The solderability of the lead can be improved after tinning, and the phenomena of insufficient soldering and false soldering during soldering are avoided; when the tinned copper wire is used as a bare wire, the tinned copper wire has the function of protecting the copper wire from being oxidized.
The fireproof and flame-retardant performance of the existing tinned copper wire is improved by adopting a method of coating a protective layer, the protective layer can be delaminated under the combustion condition, the fireproof efficiency is influenced, and further improvement treatment is needed on the basis.
Disclosure of Invention
The invention aims to provide a fire-resistant and flame-retardant tinned copper wire for 5G communication, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention discloses a fireproof flame-retardant tinned copper wire for 5G communication, which comprises the following raw materials in percentage by weight:
20-30 parts of a copper wire matrix, 10-20 parts of a coating agent and 5-10 parts of a sintering material;
the preparation method of the coating agent comprises the following steps:
s1: firstly, feeding montmorillonite into a rare earth lanthanum chloride solution with the mass fraction of 20-30%, stirring for 20-30min at the stirring speed of 100-200r/min, washing with water, feeding the obtained product into a proton irradiation box for irradiation treatment, and obtaining active montmorillonite after irradiation;
s2: adding antimony trioxide into tetrabromobisphenol A according to the weight ratio of 1:5 to obtain a flame retardant, then adding the flame retardant into the silicone-acrylic emulsion, stirring at the rotating speed of 100-150r/min for 20-30min, then adding bentonite, and continuously stirring for 10-20min to obtain a flame retardant liquid;
s3: adding the active montmorillonite into the flame retardant liquid according to the weight ratio of 5:1, stirring at the rotating speed of 500-1000r/min for 20-30min, and obtaining the coating agent after the stirring is finished.
Preferably, the irradiation power in the irradiation box is 210-250W, and the irradiation time is 10-20 min.
Preferably, the irradiation power in the irradiation box is 230W, and the irradiation time is 15 min.
Preferably, the bentonite is placed in a maleic anhydride solution, then a titanate coupling agent is added for coupling treatment, the coupling rotation speed is 50-100r/min, the coupling time is 20-30min, finally an amphoteric agent is added, stirring treatment is carried out, the stirring temperature is 55-65 ℃, the stirring rotation speed is 100-200r/min, stirring is 20-30min, and stirring is finished.
Preferably, the mass fraction of the maleic anhydride solution is 20-30%.
Preferably, the mass fraction of the maleic anhydride solution is 25%.
Preferably, the amphoteric agent is beta-cyclodextrin.
Preferably, the preparation method of the sintering material comprises the following steps: mixing active aluminum and a rare earth agent according to a weight ratio of 4:1, then adding nickel powder which is 1-2 times of the total amount of the active aluminum, then placing the mixture on a ball mill for ball milling, wherein the ball milling time is 1-2h, the ball milling rotation speed is 500 plus materials/min, and obtaining the sintering material after the ball milling is finished.
Preferably, the rare earth agent is one or more of rare earth cerium, praseodymium, neodymium, promethium, samarium and europium composition.
Compared with the prior art, the invention has the following beneficial effects:
the copper wire matrix is coated by the coating agent, the coating agent is activated and modified by montmorillonite and rare earth lanthanum chloride solution, and finally, the coating agent is irradiated, so that the activity can be excited, meanwhile, the montmorillonite has strong adsorbability and can carry flame retardant liquid to adhere to the copper wire matrix, bentonite in the flame retardant liquid has a lamellar structure and can play a middle blocking effect, and the external heat of a sintering material is blocked from contacting the coating agent, so that the coating layer is prevented from delaminating, and a good fireproof effect is achieved, in addition, in the bentonite modification, an amphoteric agent and a coupling agent are grafted by maleic anhydride solution, so that the organic and inorganic connection effect is improved, the sintering material is composed of active aluminum, a rare earth agent and nickel powder, the rare earth agent can play a role in activating flame to the active aluminum and the nickel powder, so that the active aluminum is converted into alumina to form a compact oxide layer, and the nickel powder can assist the active aluminum, the compact effect of the sintering layer is further improved, and the fireproof and flame-retardant effects of the product are improved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
the fireproof flame-retardant tinned copper wire for 5G communication comprises the following raw materials in percentage by weight:
20 parts of a copper wire matrix, 10 parts of a coating agent and 5 parts of a sintering material;
the preparation method of the coating agent comprises the following steps:
s1: firstly, feeding montmorillonite into a rare earth lanthanum chloride solution with the mass fraction of 20-30%, stirring for 20min at the stirring speed of 100r/min, finishing stirring, then washing with water, feeding the obtained product into a proton irradiation box, and carrying out irradiation treatment to obtain active montmorillonite;
s2: adding antimony trioxide into tetrabromobisphenol A according to the weight ratio of 1:5 to obtain a flame retardant, then adding the flame retardant into silicone-acrylate emulsion, stirring at the rotating speed of 100r/min for 20min, then adding bentonite, and continuously stirring for 10min to obtain a flame retardant liquid;
s3: adding active montmorillonite into the flame retardant liquid according to the weight ratio of 5:1, stirring at the rotating speed of 500r/min for 20min, and obtaining the coating agent after the stirring is finished.
The irradiation power in the irradiation box of this embodiment is 210W, and the irradiation time is 10 min.
The bentonite of the embodiment is prepared by placing bentonite into a maleic anhydride solution, adding a titanate coupling agent for coupling treatment, wherein the coupling rotation speed is 50r/min, the coupling time is 20min, finally adding an amphoteric agent, stirring at 55 ℃, the stirring rotation speed is 100r/min, stirring for 20min, and finishing stirring.
The mass fraction of the maleic anhydride solution of this example was 20%.
The amphoteric agent of this example is beta-cyclodextrin.
The preparation method of the sintering material in the embodiment comprises the following steps: mixing active aluminum and a rare earth agent according to a weight ratio of 4:1, adding nickel powder which is 1 time of the total amount of the active aluminum, then placing the mixture on a ball mill for ball milling, wherein the ball milling time is 1h, the ball milling rotating speed is 500r/min, and obtaining a sintering material after the ball milling is finished.
The rare earth agent of this example is rare earth cerium.
The fireproof flame-retardant 5G tinned copper wire for communication is prepared by spraying a copper wire substrate with a coating agent with the spraying thickness of 1-5mm, then spraying a sintering agent with the spraying thickness of 1-2mm, and then performing calcination treatment at the calcination temperature of 1000-1500 ℃ to obtain the tinned copper wire.
Example 2:
the fireproof flame-retardant tinned copper wire for 5G communication comprises the following raw materials in percentage by weight:
30 parts of a copper wire matrix, 20 parts of a coating agent and 10 parts of a sintering material;
the preparation method of the coating agent comprises the following steps:
s1: firstly, feeding montmorillonite into a rare earth lanthanum chloride solution with the mass fraction of 30%, stirring for 30min at the stirring speed of 200r/min, finishing stirring, then washing with water, feeding into a proton irradiation box, and carrying out irradiation treatment, and finishing irradiation to obtain active montmorillonite;
s2: adding antimony trioxide into tetrabromobisphenol A according to the weight ratio of 1:5 to obtain a flame retardant, then adding the flame retardant into silicone-acrylic emulsion, stirring at the rotating speed of 150r/min for 30min, then adding bentonite, and continuing to stir for 20min to obtain flame retardant liquid;
s3: adding the active montmorillonite into the flame retardant liquid according to the weight ratio of 5:1, stirring at the rotating speed of 1000r/min for 30min, and obtaining the coating agent after the stirring is finished.
The irradiation power in the irradiation box of this embodiment is 250W, and the irradiation time is 20 min.
The bentonite of the embodiment is prepared by placing bentonite into a maleic anhydride solution, adding a titanate coupling agent for coupling treatment, wherein the coupling rotation speed is 100r/min, the coupling time is 30min, finally adding an amphoteric agent, stirring at 65 ℃ and 200r/min for 30min, and finishing stirring.
The mass fraction of the maleic anhydride solution of this example was 30%.
The amphoteric agent of this example is beta-cyclodextrin.
The preparation method of the sintering material in the embodiment comprises the following steps: mixing active aluminum and a rare earth agent according to a weight ratio of 4:1, adding nickel powder 2 times of the total amount of the active aluminum, then placing the mixture on a ball mill for ball milling, wherein the ball milling time is 2 hours, the ball milling rotating speed is 700 r/min, and obtaining a sintering material after the ball milling is finished.
The rare earth agent of this example is rare earth neodymium.
Example 3:
the fireproof flame-retardant tinned copper wire for 5G communication comprises the following raw materials in percentage by weight:
25 parts of copper wire matrix, 15 parts of coating agent and 7.5 parts of sintering material;
the preparation method of the coating agent comprises the following steps:
s1: firstly, feeding montmorillonite into a rare earth lanthanum chloride solution with the mass fraction of 25%, stirring for 25min at the stirring speed of 150r/min, finishing stirring, then washing with water, feeding into a proton irradiation box, and carrying out irradiation treatment, and finishing irradiation to obtain active montmorillonite;
s2: adding antimony trioxide into tetrabromobisphenol A according to the weight ratio of 1:5 to obtain a flame retardant, then adding the flame retardant into silicone-acrylic emulsion, stirring at the rotating speed of 125r/min for 25min, then adding bentonite, and continuously stirring for 10-20min to obtain flame retardant liquid;
s3: adding the active montmorillonite into the flame retardant liquid according to the weight ratio of 5:1, stirring at the rotating speed of 750r/min for 25min, and obtaining the coating agent after the stirring is finished.
The irradiation power in the irradiation box of this embodiment is 230W, and the irradiation time is 15 min.
The bentonite of the embodiment is prepared by placing bentonite into a maleic anhydride solution, adding a titanate coupling agent for coupling treatment, wherein the coupling rotation speed is 75r/min, the coupling time is 25min, finally adding an amphoteric agent, stirring at 60 ℃, the stirring rotation speed is 150r/min, stirring for 25min, and finishing stirring.
The mass fraction of the maleic anhydride solution in this example was 25%.
The amphoteric agent of this example is beta-cyclodextrin.
The preparation method of the sintering material in the embodiment comprises the following steps: mixing active aluminum and a rare earth agent according to a weight ratio of 4:1, then adding nickel powder which is 1.5 times of the total amount of the active aluminum, then placing the mixture on a ball mill for ball milling, wherein the ball milling time is 1.5h, the ball milling rotation speed is 600 r/min, and obtaining a sintering material after the ball milling is finished.
The rare earth agent of the embodiment is rare earth europium.
Comparative example 1:
the materials and preparation process were substantially the same as those of example 3, except that montmorillonite was not added to the coating agent.
Comparative example 2:
tin-plated copper wire without any treatment.
The results of the performance tests of examples 1 to 3 and comparative example 1 were as follows, and the improvement ratio of the fire-resistant time (the improvement ratio of examples 1 to 3 and comparative example is compared with that of comparative example 2).
| Group of | Improvement in flame-retardant time (%) |
| Example 1 | 36.1 |
| Example 2 | 35.2 |
| Example 3 | 37.5 |
| Comparative example 1 | 25.1 |
As shown in examples 1-3 and comparative example 1 of the invention, montmorillonite is not added into the coating agent, the fire resistance time is obviously reduced, and therefore montmorillonite has an obvious flame retardant effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (8)
1. The fireproof flame-retardant tinned copper wire for 5G communication is characterized by comprising the following raw materials in percentage by weight:
20-30 parts of a copper wire matrix, 10-20 parts of a coating agent and 5-10 parts of a sintering material;
the preparation method of the coating agent comprises the following steps:
s1: firstly, feeding montmorillonite into a rare earth lanthanum chloride solution with the mass fraction of 20-30%, stirring for 20-30min at the stirring speed of 100-200r/min, washing with water, feeding the obtained product into a proton irradiation box for irradiation treatment, and obtaining active montmorillonite after irradiation;
s2: adding antimony trioxide into tetrabromobisphenol A according to the weight ratio of 1:5 to obtain a flame retardant, then adding the flame retardant into the silicone-acrylic emulsion, stirring at the rotating speed of 100-150r/min for 20-30min, then adding bentonite, and continuously stirring for 10-20min to obtain a flame retardant liquid;
s3: adding active montmorillonite into the flame retardant liquid according to the weight ratio of 5:1, stirring at the rotating speed of 500-1000r/min for 20-30min, and obtaining a coating agent after the stirring is finished;
the bentonite is placed in a maleic anhydride solution, then a titanate coupling agent is added for coupling treatment, the coupling rotation speed is 50-100r/min, the coupling time is 20-30min, finally an amphoteric agent is added, stirring treatment is carried out, the stirring temperature is 55-65 ℃, the stirring rotation speed is 100-200r/min, stirring is carried out for 20-30min, and stirring is finished.
2. The fire-resistant and flame-retardant tinned copper wire for 5G communication as recited in claim 1, wherein the irradiation power in the irradiation box is 210- "250W", and the irradiation time is 10-20 min.
3. The fire-resistant and flame-retardant tinned 5G copper wire for communication of claim 2, wherein the irradiation power in the irradiation box is 230W, and the irradiation time is 15 min.
4. The fire-resistant and flame-retardant tinned copper wire for 5G communication according to claim 3, wherein the mass fraction of the maleic anhydride solution is 20-30%.
5. The fire-resistant and flame-retardant tinned 5G copper wire for communication of claim 4, wherein the mass fraction of the maleic anhydride solution is 25%.
6. The fire-resistant and flame-retardant tinned 5G copper wire for communication of claim 5, wherein the amphoteric agent is beta-cyclodextrin.
7. The fire-resistant and flame-retardant tinned 5G copper wire for communication according to claim 1, wherein the preparation method of the sintering material comprises the following steps: mixing active aluminum and rare earth agent according to the weight ratio of 4:1, then adding nickel powder which is 1-2 times of the total amount of the active aluminum, then placing the mixture on a ball mill for ball milling, wherein the ball milling time is 1-2h, the ball milling rotation speed is 500 plus materials at 700 r/min, and obtaining the sintered material after the ball milling is finished.
8. The fire-resistant and flame-retardant 5G tinned copper wire for communication of claim 7, wherein the rare earth agent is a composition of one or more of rare earth cerium, praseodymium, neodymium, promethium, samarium and europium.
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| CN202110411436.XA CN113130127B (en) | 2021-04-16 | 2021-04-16 | Fire-resistant fire-retardant 5G tinned wire for communication |
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| CN202110411436.XA CN113130127B (en) | 2021-04-16 | 2021-04-16 | Fire-resistant fire-retardant 5G tinned wire for communication |
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| CN113130127B true CN113130127B (en) | 2022-08-23 |
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| CN105086198A (en) * | 2015-04-23 | 2015-11-25 | 广西华锑科技有限公司 | Antimony-based compounding flame retardant masterbatch for PVC and preparation method thereof |
| CN105860228A (en) * | 2016-06-12 | 2016-08-17 | 安徽天元电缆有限公司 | Flame-retardant cable material for ship |
| CN108659395A (en) * | 2018-05-23 | 2018-10-16 | 芜湖航天特种电缆厂股份有限公司 | Bentonite modified cable cover(ing) of uvioresistant and preparation method thereof |
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2021
- 2021-04-16 CN CN202110411436.XA patent/CN113130127B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20100078821A (en) * | 2008-12-30 | 2010-07-08 | 엘에스전선 주식회사 | Phosphorus-based polyolefin flame retardant composition containing nanoclay |
| CN101894625A (en) * | 2010-07-21 | 2010-11-24 | 太仓市贯龙电磁线有限公司 | Double-insulated layer copper flat wire and method for manufacturing same |
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| CN105860228A (en) * | 2016-06-12 | 2016-08-17 | 安徽天元电缆有限公司 | Flame-retardant cable material for ship |
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