CN116814106A - Fluorescent marking material for high-temperature-resistant flame-retardant photovoltaic cable and preparation method thereof - Google Patents
Fluorescent marking material for high-temperature-resistant flame-retardant photovoltaic cable and preparation method thereof Download PDFInfo
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- CN116814106A CN116814106A CN202310815869.0A CN202310815869A CN116814106A CN 116814106 A CN116814106 A CN 116814106A CN 202310815869 A CN202310815869 A CN 202310815869A CN 116814106 A CN116814106 A CN 116814106A
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- 239000000463 material Substances 0.000 title claims abstract description 64
- 239000003063 flame retardant Substances 0.000 title claims abstract description 54
- 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 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 claims abstract description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 30
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 24
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000006229 carbon black Substances 0.000 claims abstract description 21
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 20
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 229910000365 copper sulfate Inorganic materials 0.000 claims abstract description 16
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 15
- XUJNEKJLAYXESH-UHFFFAOYSA-N cysteine Natural products SCC(N)C(O)=O XUJNEKJLAYXESH-UHFFFAOYSA-N 0.000 claims abstract description 14
- 235000018417 cysteine Nutrition 0.000 claims abstract description 14
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 13
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims abstract description 12
- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 claims abstract description 12
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 12
- 238000000502 dialysis Methods 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 11
- 229910021642 ultra pure water Inorganic materials 0.000 claims abstract description 11
- 239000012498 ultrapure water Substances 0.000 claims abstract description 11
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 10
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 30
- 239000002994 raw material Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000007850 fluorescent dye Substances 0.000 description 3
- 238000001215 fluorescent labelling Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 poly (perfluoroethylene propylene) Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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- Luminescent Compositions (AREA)
Abstract
The application discloses a fluorescent marking material for a high-temperature-resistant flame-retardant photovoltaic cable and a preparation method thereof, and belongs to the technical field of fluorescent materials. The preparation method comprises the steps of fully and uniformly mixing hexadecylamine, ammonium chloride, copper sulfate and cysteine, adding three to five times of volume of ultrapure water, performing 300W ultrasonic treatment for 10min, transferring to a reaction kettle, performing high-temperature reaction at 200-250 ℃ for 8-12 h, treating with a 1500Da dialysis membrane for 24h after the completion, mixing the dialyzed solution with methyl methacrylate, ethylhexyl acrylate, carbon black and acetone, heating to 75-85 ℃ in a nitrogen environment, adding high-density polyethylene, SDS and potassium persulfate, continuously heating to 95 ℃, and performing polymerization for 6-8 h. Green fluorescence can be excited only under visible light, so that the identification of the cable in environments such as a forest farm is facilitated.
Description
Technical Field
The application belongs to the technical field of fluorescent materials, and particularly relates to a fluorescent marking material for a high-temperature-resistant flame-retardant photovoltaic cable and a preparation method thereof.
Background
The solar photovoltaic power generation does not occupy a large amount of land, has the advantages of numerous conventional power generation and other power generation modes, and is a clean, environment-friendly, green and safe renewable energy source. As a key transmission component of a solar photovoltaic power generation system, a photovoltaic cable plays a vital role in the utilization of solar energy.
Because solar energy system and its photovoltaic module often use under adverse circumstances, need to stand the test such as high temperature, ultraviolet radiation and rainwater erosion, consequently outdoor installation's photovoltaic cable should have high low temperature resistant, resistant ultraviolet ray, resistant ozone, resistant mechanical external force, resistant acid rain etc. performance. In addition, the photovoltaic system also requires that the photovoltaic cable has a working life of at least 25 years, and that the photovoltaic cable needs to be effectively identified in an outdoor environment such as a forest farm during installation and maintenance, which places high demands on the fluorescent visualization of the photovoltaic cable coating.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable and the preparation method thereof, and green fluorescence can be excited only under visible light, so that the identification of the cable is facilitated in environments such as a forest farm.
In order to achieve the above purpose, the present application provides the following technical solutions:
a fluorescent marking material for a high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the high-temperature-resistant flame-retardant fluorescent marking material for the photovoltaic cable has the density of 0.963g/cm 3 ；
The CAS number of the carbon black is 1333-86-4.
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the CAS number of the hexadecylamine is 143-27-1;
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
A preparation method of a fluorescent marking material for a high-temperature-resistant flame-retardant photovoltaic cable,
the method comprises the following steps:
fully and uniformly mixing hexadecylamine, ammonium chloride, copper sulfate and cysteine, adding three to five times of volume of ultrapure water, performing 300W ultrasonic treatment for 10min, transferring to a reaction kettle, performing high-temperature reaction at 200-250 ℃ for 8-12 h, treating with a 1500Da dialysis membrane for 24h after the completion of the reaction, mixing the dialyzed solution with methyl methacrylate, ethylhexyl acrylate, carbon black and acetone, heating to 75-85 ℃ in a nitrogen environment, then adding high-density polyethylene, SDS and potassium persulfate, continuously heating to 95 ℃, and performing polymerization reaction for 6-8 h.
The preparation method of the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
wherein the high temperature reaction is carried out at 230℃for 10h.
The preparation method of the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the temperature was raised to 80℃under nitrogen.
Compared with the prior art, the application has the beneficial effects that:
the application innovatively designs a composite Carbon Dot (CDs) material based on hexadecylamine, copper sulfate and cysteine, and assists various polymers such as methyl methacrylate, ethylhexyl acrylate, high-density polyethylene, carbon black and the like, green fluorescence can be excited only under visible light, and the identification of cables is facilitated in environments such as forest fields and the like. The cysteine plays a role in providing carbon and nitrogen elements to enhance the overall fluorescence intensity, copper elements in the copper sulfate are beneficial to enhancing the fluorescence emission effect, and meanwhile, the addition of ammonium chloride and the like is beneficial to coupling CDs with a polymeric material, so that the phenomenon that emulsion generates gel is avoided, and the viscosity and dispersion stability of a system are influenced.
Drawings
FIG. 1 is a schematic diagram of a fluorescent labeling material synthesized in preparation example 3 according to the present application.
FIG. 2 is a fluorescence spectrum of a fluorescent labeling material synthesized in preparation example 3 of the present application.
FIG. 3 is a transmission electron microscopic image of the fluorescent marking material synthesized in preparation example 3 according to the present application.
FIG. 4 is a real view showing green fluorescence generated by the fluorescent labeling material synthesized in preparation example 3 of the present application under excitation.
Detailed Description
The following describes the technical solutions in the embodiments of the present application in detail, and the described embodiments are only some of the embodiments of the present application. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the application, fall within the scope of protection of the application. The application is further described below in connection with specific embodiments.
Preparation example 1
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the density of the high-density polyethylene is 0.963g/cm 3 ；
The CAS number of the carbon black is 1333-86-4.
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the CAS number of the hexadecylamine is 143-27-1;
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
A preparation method of fluorescent marking material for high temperature resistant flame retardant photovoltaic cable,
the method comprises the following steps:
fully and uniformly mixing hexadecylamine, ammonium chloride, copper sulfate and cysteine, adding three to five times of volume of ultrapure water, performing 300W ultrasonic treatment for 10min, transferring into a reaction kettle, performing high-temperature reaction at 200 ℃ for 8h, treating with a 1500Da dialysis membrane for 24h after the completion of the reaction, mixing the dialyzed solution with methyl methacrylate, ethylhexyl acrylate, carbon black and acetone, heating to 75 ℃ in a nitrogen environment, adding high-density polyethylene, SDS and potassium persulfate, continuously heating to 95 ℃, and performing polymerization reaction for 6h.
Preparation example 2
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the density of the high-density polyethylene is 0.963g/cm 3 ；
The CAS number of the carbon black is 1333-86-4.
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the CAS number of the hexadecylamine is 143-27-1;
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
A preparation method of fluorescent marking material for high temperature resistant flame retardant photovoltaic cable,
the method comprises the following steps:
fully and uniformly mixing hexadecylamine, ammonium chloride, copper sulfate and cysteine, adding three to five times of volume of ultrapure water, performing 300W ultrasonic treatment for 10min, transferring to a reaction kettle, performing high-temperature reaction at 250 ℃ for 12h, treating with a 1500Da dialysis membrane for 24h after the completion of the reaction, mixing the dialyzed solution with methyl methacrylate, ethylhexyl acrylate, carbon black and acetone, heating to 85 ℃ in a nitrogen environment, adding high-density polyethylene, SDS and potassium persulfate, continuously heating to 95 ℃, and performing polymerization reaction for 8h.
Preparation example 3
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the density of the high-density polyethylene is 0.963g/cm 3 ；
The CAS number of the carbon black is 1333-86-4.
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the CAS number of the hexadecylamine is 143-27-1;
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
A preparation method of fluorescent marking material for high temperature resistant flame retardant photovoltaic cable,
the method comprises the following steps:
fully and uniformly mixing hexadecylamine, ammonium chloride, copper sulfate and cysteine, adding three to five times of volume of ultrapure water, performing 300W ultrasonic treatment for 10min, transferring to a reaction kettle, performing high-temperature reaction at 230 ℃ for 10h, treating with a 1500Da dialysis membrane for 24h after the completion of the reaction, mixing the dialyzed solution with methyl methacrylate, ethylhexyl acrylate, carbon black and acetone, heating to 80 ℃ in a nitrogen environment, adding high-density polyethylene, SDS and potassium persulfate, continuously heating to 95 ℃, and performing polymerization reaction for 7h.
Comparative example 1
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the CAS number of the carbon black is 1333-86-4.
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the CAS number of the hexadecylamine is 143-27-1;
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
A preparation method of fluorescent marking material for high temperature resistant flame retardant photovoltaic cable,
the method comprises the following steps:
fully and uniformly mixing hexadecylamine, ammonium chloride, copper sulfate and cysteine, adding three to five times of volume of ultrapure water, performing 300W ultrasonic treatment for 10min, transferring to a reaction kettle, performing high-temperature reaction at 230 ℃ for 10h, treating with a 1500Da dialysis membrane for 24h after the completion of the reaction, mixing the dialyzed solution with methyl methacrylate, ethylhexyl acrylate, carbon black and acetone, heating to 80 ℃ in a nitrogen environment, adding SDS and potassium persulfate, continuously heating to 95 ℃, and performing polymerization reaction for 7h.
Comparative example 2
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the density of the high-density polyethylene is 0.963g/cm 3 ；
The CAS number of the carbon black is 1333-86-4.
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
A preparation method of fluorescent marking material for high temperature resistant flame retardant photovoltaic cable,
the method comprises the following steps:
copper sulfate and cysteine are fully and evenly mixed, three to five times of volume of ultrapure water is added, 300W of ultrasonic waves are carried out for 10min, the mixture is transferred into a reaction kettle, high-temperature reaction is carried out for 10h at 230 ℃, after the reaction is finished, a 1500Da dialysis membrane is used for processing for 24h, the dialyzed solution is mixed with methyl methacrylate, ethylhexyl acrylate, carbon black and acetone, the temperature is raised to 80 ℃ in a nitrogen environment, then high-density polyethylene, SDS and potassium persulfate are added, the temperature is raised to 95 ℃ continuously, and the polymerization reaction is carried out for 7h.
Comparative example 3
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the density of the high-density polyethylene is 0.963g/cm 3 ；
The CAS number of the carbon black is 1333-86-4.
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the CAS number of the hexadecylamine is 143-27-1;
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
A preparation method of fluorescent marking material for high temperature resistant flame retardant photovoltaic cable,
the method comprises the following steps:
fully and uniformly mixing hexadecylamine, ammonium chloride and copper sulfate, adding three to five times of volume of ultrapure water, carrying out 300W ultrasonic treatment for 10min, transferring into a reaction kettle, carrying out high-temperature reaction at 230 ℃ for 10h, treating with a 1500Da dialysis membrane for 24h after the completion of the reaction, mixing the dialyzed solution with methyl methacrylate, ethylhexyl acrylate, carbon black and acetone, heating to 80 ℃ in a nitrogen environment, adding high-density polyethylene, SDS and potassium persulfate, continuously heating to 95 ℃, and carrying out polymerization reaction for 7h.
Comparative example 4
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the density of the high-density polyethylene is 0.963g/cm 3 。
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the CAS number of the hexadecylamine is 143-27-1;
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
A preparation method of fluorescent marking material for high temperature resistant flame retardant photovoltaic cable,
the method comprises the following steps:
fully and uniformly mixing hexadecylamine, ammonium chloride, copper sulfate and cysteine, adding three to five times of volume of ultrapure water, performing 300W ultrasonic treatment for 10min, transferring to a reaction kettle, performing high-temperature reaction at 230 ℃ for 10h, treating with a 1500Da dialysis membrane for 24h after the completion of the reaction, mixing the dialyzed solution with methyl methacrylate, ethylhexyl acrylate and acetone, heating to 80 ℃ in a nitrogen environment, adding high-density polyethylene, SDS and potassium persulfate, continuously heating to 95 ℃, and performing polymerization reaction for 7h.
Comparative example 5
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable comprises the following raw materials:
the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the density of the high-density polyethylene is 0.963g/cm 3 ；
The CAS number of the carbon black is 1333-86-4.
The fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable,
the CAS number of the hexadecylamine is 143-27-1;
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
A preparation method of fluorescent marking material for high temperature resistant flame retardant photovoltaic cable,
the method comprises the following steps:
fully and uniformly mixing hexadecylamine, ammonium chloride, copper sulfate and cysteine, adding three to five times of volume of ultrapure water, performing 300W ultrasonic treatment for 10min, transferring to a reaction kettle, performing high-temperature reaction at 230 ℃ for 10h, treating with a 1500Da dialysis membrane for 24h after the completion of the reaction, mixing the dialyzed solution with methyl methacrylate, carbon black and acetone, heating to 80 ℃ in a nitrogen environment, adding high-density polyethylene, SDS and potassium persulfate, continuously heating to 95 ℃, and performing polymerization reaction for 7h.
Application example 1
Taking preparation example 3 and fig. 1 as an example, the corresponding characterization test was performed using an instrument of the analytical test center:
(1) Fluorescence performance was tested as follows, excitation and emission tests were performed using model F-7000 of Hitachi, japan, as shown in fig. 2, with the left side curve blue shifted compared to the right side curve (test group without copper sulfate added under the same conditions), indicating that copper elements were synthesized or combined efficiently; meanwhile, as can be seen from fig. 2, under the excitation of 380nm, the emission wavelength is approximately 510nm, and the excitation wavelength and the emission wavelength both belong to the visible light range, so that the green fluorescence can be conveniently excited by only irradiating a conventional flashlight in dark weather.
(2) Other performance tests were as follows: as shown in fig. 3 and 4, the particle size is about 200nm, and the copolymerization effect is formed due to the existence of other polymers in the material, so that the plastic bottle of fig. 4 has better light transmittance and green fluorescence effect.
Application example 2
The products prepared in preparation examples 1-3 and comparative examples 1-5 were selected for testing:
comprehensive performance test:
the prepared coating can be smeared on the surface (approximately 1mm in thickness) of a photovoltaic cable (made of the poly (perfluoroethylene propylene)) through a brush, and is naturally dried, so that the operation is convenient; meanwhile, in order to match with the special performance of the photovoltaic cable, comprehensive performance test is carried out, and the photovoltaic cable is convenient to use in environments such as deep mountain forest fields.
Test criteria reference is made to the prior art: GB 28374-2012 Cable fire-retardant coating.
Table 1 test results
| Time to dry | Carbonization height | |
| Preparation example 1 | 8h | 1.2 |
| Preparation example 2 | 8h | 1.1 |
| Preparation example 3 | 7.5h | 1.1 |
| Comparative example 1 | 8.5h | 1.2 |
| Comparative example 2 | 9h | 1.2 |
| Comparative example 3 | 8h | 1.7 |
| Comparative example 4 | 11h | 1.9 |
| Comparative example 5 | 14h | 1.6 |
In summary, the application innovatively designs a composite Carbon Dot (CDs) material based on hexadecylamine, copper sulfate and cysteine, and assists various polymers such as methyl methacrylate, ethylhexyl acrylate, high-density polyethylene, carbon black and the like, green fluorescence can be excited only under visible light, and the identification of cables is facilitated in environments such as forest fields and the like. The cysteine plays a role in providing carbon and nitrogen elements to enhance the overall fluorescence intensity, copper elements in the copper sulfate are beneficial to enhancing the fluorescence emission effect, and meanwhile, the addition of ammonium chloride and the like is beneficial to coupling CDs with a polymeric material, so that the phenomenon that emulsion generates gel is avoided, and the viscosity and dispersion stability of a system are influenced.
The application and its embodiments have been described above by way of illustration and not limitation, and the actual construction is not limited to this. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present application.
Claims (8)
1. A fluorescent marking material for a high-temperature-resistant flame-retardant photovoltaic cable is characterized in that,
the raw materials are as follows:
2. the fluorescent marking material for high temperature resistant and flame retardant photovoltaic cables according to claim 1, which is characterized by comprising the following raw materials:
3. the fluorescent marking material for high temperature resistant and flame retardant photovoltaic cables according to claim 2, which is characterized by comprising the following raw materials:
4. the fluorescent marking material for high temperature resistant and flame retardant photovoltaic cables according to claim 1, characterized in that,
the density of the high-density polyethylene is 0.963g/cm 3 ；
The CAS number of the carbon black is 1333-86-4.
5. The fluorescent marking material for high temperature resistant and flame retardant photovoltaic cables according to claim 1, characterized in that,
the CAS number of the hexadecylamine is 143-27-1;
the potassium persulfate is subjected to light-shielding low-temperature treatment;
the SDS is industrial grade sodium dodecyl sulfate, and the purity is 99%.
6. A method for preparing the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable according to any one of claims 1 to 5, which is characterized in that:
the method comprises the following steps:
fully and uniformly mixing hexadecylamine, ammonium chloride, copper sulfate and cysteine, adding three to five times of volume of ultrapure water, performing 300W ultrasonic treatment for 10min, transferring to a reaction kettle, performing high-temperature reaction at 200-250 ℃ for 8-12 h, treating with a 1500Da dialysis membrane for 24h after the completion of the reaction, mixing the dialyzed solution with methyl methacrylate, ethylhexyl acrylate, carbon black and acetone, heating to 75-85 ℃ in a nitrogen environment, then adding high-density polyethylene, SDS and potassium persulfate, continuously heating to 95 ℃, and performing polymerization reaction for 6-8 h.
7. The method for preparing the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable, which is characterized in that:
wherein the high temperature reaction is carried out at 230℃for 10h.
8. The method for preparing the fluorescent marking material for the high-temperature-resistant flame-retardant photovoltaic cable, which is characterized in that:
the temperature was raised to 80℃under nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310815869.0A CN116814106A (en) | 2023-07-05 | 2023-07-05 | Fluorescent marking material for high-temperature-resistant flame-retardant photovoltaic cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310815869.0A CN116814106A (en) | 2023-07-05 | 2023-07-05 | Fluorescent marking material for high-temperature-resistant flame-retardant photovoltaic cable and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116814106A true CN116814106A (en) | 2023-09-29 |
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| CN114907842A (en) * | 2022-05-17 | 2022-08-16 | 中国科学院宁波材料技术与工程研究所 | Fluorescent carbon quantum dot gel, preparation method thereof and information circulating storage method |
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| KR20090035258A (en) * | 2007-10-05 | 2009-04-09 | 한국화학연구원 | Fluorescent ink composition and fluorescent mark formed by fluorescent ink composition and printed matter having fluorescent mark |
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