CN117467339A - Self-closing wire self-curing insulating coating material for electrified railway - Google Patents
Self-closing wire self-curing insulating coating material for electrified railway Download PDFInfo
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- CN117467339A CN117467339A CN202311811474.XA CN202311811474A CN117467339A CN 117467339 A CN117467339 A CN 117467339A CN 202311811474 A CN202311811474 A CN 202311811474A CN 117467339 A CN117467339 A CN 117467339A
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- 239000000463 material Substances 0.000 title claims abstract description 50
- 239000011248 coating agent Substances 0.000 title claims abstract description 42
- 238000000576 coating method Methods 0.000 title claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 89
- 239000003822 epoxy resin Substances 0.000 claims abstract description 57
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 57
- LSEBTZWHCPGKEF-UHFFFAOYSA-N 4-[2-(4-hydroxyphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical class C=1C=C(O)C(CC=C)=CC=1C(C)(C)C1=CC=C(O)C=C1 LSEBTZWHCPGKEF-UHFFFAOYSA-N 0.000 claims abstract description 43
- -1 glycidyl ester Chemical class 0.000 claims abstract description 43
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims abstract description 40
- 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 14
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 0.000 claims abstract description 13
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 claims abstract description 13
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000010453 quartz Substances 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 7
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 40
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 32
- 239000000853 adhesive Substances 0.000 claims description 31
- 230000001070 adhesive effect Effects 0.000 claims description 31
- 239000003292 glue Substances 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 22
- 238000002360 preparation method Methods 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 20
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 20
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 16
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 16
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 16
- 239000004408 titanium dioxide Substances 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 11
- QXGJCWSBOZXWOV-UHFFFAOYSA-N 3,4-dihydroxyphthalic acid Chemical compound OC(=O)C1=CC=C(O)C(O)=C1C(O)=O QXGJCWSBOZXWOV-UHFFFAOYSA-N 0.000 claims description 10
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000002390 rotary evaporation Methods 0.000 claims description 10
- MYXKPFMQWULLOH-UHFFFAOYSA-M tetramethylazanium;hydroxide;pentahydrate Chemical compound O.O.O.O.O.[OH-].C[N+](C)(C)C MYXKPFMQWULLOH-UHFFFAOYSA-M 0.000 claims description 10
- 238000002604 ultrasonography Methods 0.000 claims description 9
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 4
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 4
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 4
- 239000010456 wollastonite Substances 0.000 claims description 4
- 229910052882 wollastonite Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004254 Ammonium phosphate Substances 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims 1
- 235000019289 ammonium phosphates Nutrition 0.000 claims 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 15
- 238000005299 abrasion Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000001276 Kolmogorov–Smirnov test Methods 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000000692 Student's t-test Methods 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5033—Amines aromatic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The invention discloses a self-curing insulating coating material for an electrified railway self-closing line. The composite material is prepared from the following components in parts by weight: 40-80 parts of modified allyl bisphenol A epoxy resin, 30-50 parts of glycidyl ester type epoxy resin, 2-5 parts of flatting agent, 8-15 parts of curing agent, 5-10 parts of flame retardant, 5-8 parts of wear-resistant agent, 10-20 parts of filler and 1-3 parts of catalyst. The self-curing insulating coating material has short curing time, high strength after curing and good flame retardant property. The combination of the main material modified allyl bisphenol A epoxy resin and the glycidyl ester epoxy resin in the insulating coating material component can improve the mechanical property of the material; the combined use of the curing agent diamino diphenyl methane and diethyl toluene diamine shortens the curing time of the material; the wear-resistant nano molybdenum disulfide and quartz powder are combined, so that the wear resistance of the material is improved.
Description
Technical Field
The invention belongs to the technical field of self-closing wires of electrified railways, and particularly relates to a self-closing wire self-curing insulating coating material of an electrified railway.
Background
As a modern railway transportation mode, the electrified railway has the advantages of high running speed, less energy utilization, environmental protection, low transportation cost and the like. The railway power supply system consists of two parts, namely a traction power supply system and an electric power supply system, wherein the electric power supply system mainly comprises a 10 kV electric power through line and a self-closing line, the self-closing line is used for supplying power to railway primary loads such as automatic blocking signals, hump turnout signals and the like, the self-closing line is complicated in geology, climate conditions and natural environment along the line, often passes through mountain areas, deserts, mountains, rivers and other areas with severe conditions, and a power transmission line exposed in the external natural environment for a long time is more easily damaged by natural phenomena such as wind, frost, rain, snow, lightning and the like, and the surface of the self-closing line is required to be coated with insulating materials for protection.
The existing insulating material for self-closing wire coating has long self-curing time, and the coating after self-curing is uneven, so that the requirements of automatic construction and rapid and automatic coating in the open air and long distance cannot be met. The self-closing line after coating has poor mechanical property, poor waterproof sealing property and anti-leakage property, poor stain resistance and ultraviolet aging resistance, wear resistance and difficulty in ensuring the service life of long-term safe operation.
Disclosure of Invention
The invention aims to provide a self-curing insulating coating material for an electrified railway self-closing line.
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 40-80 parts of modified allyl bisphenol A epoxy resin, 30-50 parts of glycidyl ester type epoxy resin, 2-5 parts of flatting agent, 8-15 parts of curing agent, 5-10 parts of flame retardant, 5-8 parts of wear-resistant agent, 10-20 parts of filler and 1-3 parts of catalyst;
the curing agent is diaminodiphenyl methane and diethyl toluenediamine according to the mass ratio of 3: 1;
the wear-resistant agent is nano molybdenum disulfide and quartz powder according to the mass ratio of 1: 1.
The preparation method of the modified allyl bisphenol A epoxy resin comprises the following steps: according to the weight portions, 20-30 portions of allyl bisphenol A epoxy resin and 3-8 portions of beta-mercapto carboxylic acid are taken, 100-200 portions of solvent tetrahydrofuran are added, ultrasound is carried out for 10-30min, then 1-3 portions of photoinitiator 1173 are added, stirring is carried out for 10-20min at room temperature, UV light grafting reaction is carried out, and finally solvent tetrahydrofuran is removed through rotary evaporation.
The preparation method of the glycidyl ester type epoxy resin comprises the following steps: according to the weight portions, 20 to 30 portions of bisphenol S type epoxy resin, 1 to 3 portions of dihydroxyphthalic acid and 0.1 to 0.3 portion of tetramethyl ammonium hydroxide pentahydrate are taken, evenly stirred, heated to 80 to 100 ℃, reacted for 1 to 3 hours to obtain a product, the product and water are fully washed and oscillated according to the mass ratio (2 to 4): 1, and then are stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
The leveling agent is one or more of leveling agent BYK331, leveling agent BYK380 and leveling agent TEGO-410.
The flame retardant is one or more of aluminum hydroxide, antimony oxide, ammonium parathyrophosphate and hexaphenoxy cyclotriphosphazene.
The filler is one or more of titanium dioxide, aluminum nitride, wollastonite and barium sulfate.
The catalyst is one or more of dibutyl tin dilaurate, stannous octoate and triallyl isocyanurate.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the parts by weight, 40-80 parts of modified allyl bisphenol A epoxy resin and 30-50 parts of glycidyl ester epoxy resin are taken and fully mixed by a planetary mixer to obtain primary mixed glue;
(2) Adding 5-8 parts of wear-resistant agent and 10-20 parts of filler into the primary mixed glue obtained in the step (1), sealing and fully mixing in a kneader, and grinding by a roller to obtain base glue;
(3) Cooling the base adhesive, adding 2-5 parts of flatting agent, 8-15 parts of curing agent, 5-10 parts of flame retardant and 1-3 parts of catalyst under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
The invention has the beneficial effects that: the self-closing wire self-curing insulating coating material for the electrified railway has the advantages of short curing time, high strength after curing and good flame retardant property. The combination of the main material modified allyl bisphenol A epoxy resin and the glycidyl ester epoxy resin in the insulating coating material component can improve the mechanical property of the material; the combined use of the curing agent diamino diphenyl methane and diethyl toluene diamine shortens the curing time of the material; the wear-resistant nano molybdenum disulfide and quartz powder are combined, so that the wear resistance of the material is improved.
Detailed Description
The present invention will be described more fully hereinafter in order to facilitate an understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 60 parts of modified allyl bisphenol A epoxy resin, 40 parts of glycidyl ester epoxy resin, 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide, 7 parts of wear-resistant agent, 15 parts of titanium dioxide and 2 parts of dibutyl tin dilaurate; the curing agent is diaminodiphenyl methane and diethyl toluenediamine according to the mass ratio of 3: 1; the wear-resistant agent is nano molybdenum disulfide and quartz powder according to the mass ratio of 1: 1.
The preparation method of the modified allyl bisphenol A epoxy resin comprises the following steps: according to the parts by weight, 25 parts of allyl bisphenol A epoxy resin and 5 parts of beta-mercapto carboxylic acid are taken, 150 parts of solvent tetrahydrofuran is added, ultrasound is carried out for 20min, then 2 parts of photoinitiator 1173 is added, stirring is carried out for 15min at room temperature, UV photografting reaction is carried out, and finally, the solvent tetrahydrofuran is removed by rotary evaporation, thus obtaining the ultraviolet light grafting adhesive.
The preparation method of the glycidyl ester type epoxy resin comprises the following steps: according to the parts by weight, 25 parts of bisphenol S type epoxy resin, 2 parts of dihydroxyphthalic acid and 0.2 part of tetramethyl ammonium hydroxide pentahydrate are taken, uniformly stirred, heated to 90 ℃, reacted for 2 hours to obtain a product, fully washed and oscillated according to the mass ratio of 3:1, and then stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the weight portions, 60 portions of modified allyl bisphenol A epoxy resin and 40 portions of glycidyl ester epoxy resin are taken and fully mixed by a planetary mixer to obtain primary mixed glue;
(2) Adding 7 parts of wear-resistant agent and 15 parts of titanium dioxide into the primary mixed glue obtained in the step (1), sealing and fully mixing in a kneader, and grinding by a roller to obtain base glue;
(3) And cooling the base adhesive, adding 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide and 2 parts of dibutyl tin dilaurate under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
Example 2
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 40 parts of modified allyl bisphenol A type epoxy resin, 30 parts of glycidyl ester type epoxy resin, 3 parts of flatting agent BYK331, 8 parts of curing agent, 2 parts of antimony oxide, 3 parts of ammonium dihydrogen phosphate, 5 parts of wear-resistant agent, 10 parts of aluminum nitride and 1 part of stannous octoate; the curing agent is diaminodiphenyl methane and diethyl toluenediamine according to the mass ratio of 3: 1; the wear-resistant agent is nano molybdenum disulfide and quartz powder according to the mass ratio of 1: 1.
The preparation method of the modified allyl bisphenol A epoxy resin comprises the following steps: according to the parts by weight, 20 parts of allyl bisphenol A epoxy resin, 4 parts of beta-mercapto carboxylic acid, 100 parts of solvent tetrahydrofuran, ultrasonic treatment for 10min, 1 part of photoinitiator 1173, stirring for 10min at room temperature, performing UV light grafting reaction, and finally removing the solvent tetrahydrofuran by rotary evaporation.
The preparation method of the glycidyl ester type epoxy resin comprises the following steps: according to the parts by weight, 20 parts of bisphenol S type epoxy resin, 1 part of dihydroxyphthalic acid and 0.1 part of tetramethyl ammonium hydroxide pentahydrate are taken, uniformly stirred, heated to 80 ℃, reacted for 1h to obtain a product, fully washed and oscillated according to the mass ratio of 2:1, and then stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the weight portions, 40 portions of modified allyl bisphenol A epoxy resin and 30 portions of glycidyl ester epoxy resin are taken and fully mixed by a planetary mixer to obtain primary mixed glue;
(2) Adding 5 parts of an antiwear agent and 10 parts of aluminum nitride into the primary mixed glue obtained in the step (1), sealing and fully mixing in a kneader, and grinding by a roller to obtain a base glue;
(3) And cooling the base adhesive, adding 3 parts of a leveling agent BYK331, 8 parts of a curing agent, 2 parts of antimony oxide, 3 parts of ammonium parathyro phosphate and 1 part of stannous octoate under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
Example 3
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 80 parts of modified allyl bisphenol A type epoxy resin, 50 parts of glycidyl ester type epoxy resin, 5 parts of leveling agent TEGO-410, 15 parts of curing agent, 10 parts of hexaphenoxy cyclotriphosphazene, 8 parts of wear-resistant agent, 20 parts of wollastonite and 3 parts of triallyl isocyanurate; the curing agent is diaminodiphenyl methane and diethyl toluenediamine according to the mass ratio of 3: 1; the wear-resistant agent is nano molybdenum disulfide and quartz powder according to the mass ratio of 1: 1.
The preparation method of the modified allyl bisphenol A epoxy resin comprises the following steps: according to the parts by weight, 30 parts of allyl bisphenol A epoxy resin and 8 parts of beta-mercapto carboxylic acid are taken, 200 parts of solvent tetrahydrofuran is added, ultrasound is carried out for 30min, then 3 parts of photoinitiator 1173 is added, stirring is carried out for 20min at room temperature, UV photografting reaction is carried out, and finally, the solvent tetrahydrofuran is removed by rotary evaporation, thus obtaining the ultraviolet light grafting adhesive.
The preparation method of the glycidyl ester type epoxy resin comprises the following steps: according to the parts by weight, 30 parts of bisphenol S type epoxy resin, 3 parts of dihydroxyphthalic acid and 0.3 part of tetramethyl ammonium hydroxide pentahydrate are taken, uniformly stirred, heated to 100 ℃, reacted for 3 hours to obtain a product, fully washed and oscillated according to the mass ratio of 4:1, and then stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the weight portions, 80 portions of modified allyl bisphenol A epoxy resin and 50 portions of glycidyl ester epoxy resin are taken and fully mixed by a planetary mixer to obtain primary mixed glue;
(2) Adding 8 parts of an antiwear agent and 20 parts of wollastonite into the primary mixed rubber obtained in the step (1), sealing and fully mixing in a kneader, and grinding by a roller to obtain a base rubber;
(3) And cooling the base adhesive, adding 5 parts of a leveling agent TEGO-410, 15 parts of a curing agent, 10 parts of hexaphenoxy cyclotriphosphazene and 3 parts of triallyl isocyanurate under stirring, fully mixing and stirring, and discharging to obtain the modified epoxy resin.
Comparative example 1
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 100 parts of modified allyl bisphenol A epoxy resin, 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide, 7 parts of wear-resistant agent, 15 parts of titanium dioxide and 2 parts of dibutyl tin dilaurate; the curing agent is diaminodiphenyl methane and diethyl toluenediamine according to the mass ratio of 3: 1; the wear-resistant agent is nano molybdenum disulfide and quartz powder according to the mass ratio of 1: 1.
The preparation method of the modified allyl bisphenol A epoxy resin comprises the following steps: according to the parts by weight, 25 parts of allyl bisphenol A epoxy resin and 5 parts of beta-mercapto carboxylic acid are taken, 150 parts of solvent tetrahydrofuran is added, ultrasound is carried out for 20min, then 2 parts of photoinitiator 1173 is added, stirring is carried out for 15min at room temperature, UV photografting reaction is carried out, and finally, the solvent tetrahydrofuran is removed by rotary evaporation, thus obtaining the ultraviolet light grafting adhesive.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the weight portions, taking 100 portions of modified allyl bisphenol A epoxy resin, adding 7 portions of wear-resistant agent and 15 portions of titanium dioxide, sealing and fully mixing in a kneader, and grinding by a roller to prepare base adhesive;
(2) And cooling the base adhesive, adding 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide and 2 parts of dibutyl tin dilaurate under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
Comparative example 2
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 100 parts of glycidyl ester type epoxy resin, 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide, 7 parts of wear-resistant agent, 15 parts of titanium dioxide and 2 parts of dibutyl tin dilaurate; the curing agent is diaminodiphenyl methane and diethyl toluenediamine according to the mass ratio of 3: 1; the wear-resistant agent is nano molybdenum disulfide and quartz powder according to the mass ratio of 1: 1.
The preparation method of the glycidyl ester type epoxy resin comprises the following steps: according to the parts by weight, 25 parts of bisphenol S type epoxy resin, 2 parts of dihydroxyphthalic acid and 0.2 part of tetramethyl ammonium hydroxide pentahydrate are taken, uniformly stirred, heated to 90 ℃, reacted for 2 hours to obtain a product, fully washed and oscillated according to the mass ratio of 3:1, and then stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the weight portions, taking 100 portions of glycidyl ester type epoxy resin, adding 7 portions of wear-resistant agent and 15 portions of titanium dioxide, sealing and fully mixing in a kneader, and grinding by a roller to prepare base rubber;
(2) And cooling the base adhesive, adding 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide and 2 parts of dibutyl tin dilaurate under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
Comparative example 3
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 60 parts of modified allyl bisphenol A epoxy resin, 40 parts of glycidyl ester epoxy resin, 380 parts of flatting agent BYK, 12 parts of diaminodiphenyl methane, 7 parts of aluminum hydroxide, 7 parts of wear-resistant agent, 15 parts of titanium dioxide and 2 parts of dibutyl tin dilaurate; the wear-resistant agent is nano molybdenum disulfide and quartz powder according to the mass ratio of 1: 1.
The preparation method of the modified allyl bisphenol A epoxy resin comprises the following steps: according to the parts by weight, 25 parts of allyl bisphenol A epoxy resin and 5 parts of beta-mercapto carboxylic acid are taken, 150 parts of solvent tetrahydrofuran is added, ultrasound is carried out for 20min, then 2 parts of photoinitiator 1173 is added, stirring is carried out for 15min at room temperature, UV photografting reaction is carried out, and finally, the solvent tetrahydrofuran is removed by rotary evaporation, thus obtaining the ultraviolet light grafting adhesive.
The preparation method of the glycidyl ester type epoxy resin comprises the following steps: according to the parts by weight, 25 parts of bisphenol S type epoxy resin, 2 parts of dihydroxyphthalic acid and 0.2 part of tetramethyl ammonium hydroxide pentahydrate are taken, uniformly stirred, heated to 90 ℃, reacted for 2 hours to obtain a product, fully washed and oscillated according to the mass ratio of 3:1, and then stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the weight portions, 60 portions of modified allyl bisphenol A epoxy resin and 40 portions of glycidyl ester epoxy resin are taken and fully mixed by a planetary mixer to obtain primary mixed glue;
(2) Adding 7 parts of wear-resistant agent and 15 parts of titanium dioxide into the primary mixed glue obtained in the step (1), sealing and fully mixing in a kneader, and grinding by a roller to obtain base glue;
(3) And (3) cooling the base adhesive, adding 380 parts of flatting agent BYK, 12 parts of diaminodiphenyl methane, 7 parts of aluminum hydroxide and 2 parts of dibutyltin dilaurate under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
Comparative example 4
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 60 parts of modified allyl bisphenol A epoxy resin, 40 parts of glycidyl ester epoxy resin, 380 parts of flatting agent BYK, 12 parts of diethyl toluenediamine, 7 parts of aluminum hydroxide, 7 parts of wear-resistant agent, 15 parts of titanium dioxide and 2 parts of dibutyl tin dilaurate; the wear-resistant agent is nano molybdenum disulfide and quartz powder according to the mass ratio of 1: 1.
The preparation method of the modified allyl bisphenol A epoxy resin comprises the following steps: according to the parts by weight, 25 parts of allyl bisphenol A epoxy resin and 5 parts of beta-mercapto carboxylic acid are taken, 150 parts of solvent tetrahydrofuran is added, ultrasound is carried out for 20min, then 2 parts of photoinitiator 1173 is added, stirring is carried out for 15min at room temperature, UV photografting reaction is carried out, and finally, the solvent tetrahydrofuran is removed by rotary evaporation, thus obtaining the ultraviolet light grafting adhesive.
The preparation method of the glycidyl ester type epoxy resin comprises the following steps: according to the parts by weight, 25 parts of bisphenol S type epoxy resin, 2 parts of dihydroxyphthalic acid and 0.2 part of tetramethyl ammonium hydroxide pentahydrate are taken, uniformly stirred, heated to 90 ℃, reacted for 2 hours to obtain a product, fully washed and oscillated according to the mass ratio of 3:1, and then stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the weight portions, 60 portions of modified allyl bisphenol A epoxy resin and 40 portions of glycidyl ester epoxy resin are taken and fully mixed by a planetary mixer to obtain primary mixed glue;
(2) Adding 7 parts of wear-resistant agent and 15 parts of titanium dioxide into the primary mixed glue obtained in the step (1), sealing and fully mixing in a kneader, and grinding by a roller to obtain base glue;
(3) And cooling the base adhesive, adding 380 parts of flatting agent BYK, 12 parts of diethyl toluenediamine, 7 parts of aluminum hydroxide and 2 parts of dibutyl tin dilaurate under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
Comparative example 5
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 60 parts of modified allyl bisphenol A epoxy resin, 40 parts of glycidyl ester epoxy resin, 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide, 7 parts of nano molybdenum disulfide, 15 parts of titanium dioxide and 2 parts of dibutyl tin dilaurate; the curing agent is diaminodiphenyl methane and diethyl toluenediamine according to the mass ratio of 3: 1.
The preparation method of the modified allyl bisphenol A epoxy resin comprises the following steps: according to the parts by weight, 25 parts of allyl bisphenol A epoxy resin and 5 parts of beta-mercapto carboxylic acid are taken, 150 parts of solvent tetrahydrofuran is added, ultrasound is carried out for 20min, then 2 parts of photoinitiator 1173 is added, stirring is carried out for 15min at room temperature, UV photografting reaction is carried out, and finally, the solvent tetrahydrofuran is removed by rotary evaporation, thus obtaining the ultraviolet light grafting adhesive.
The preparation method of the glycidyl ester type epoxy resin comprises the following steps: according to the parts by weight, 25 parts of bisphenol S type epoxy resin, 2 parts of dihydroxyphthalic acid and 0.2 part of tetramethyl ammonium hydroxide pentahydrate are taken, uniformly stirred, heated to 90 ℃, reacted for 2 hours to obtain a product, fully washed and oscillated according to the mass ratio of 3:1, and then stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the weight portions, 60 portions of modified allyl bisphenol A epoxy resin and 40 portions of glycidyl ester epoxy resin are taken and fully mixed by a planetary mixer to obtain primary mixed glue;
(2) Adding 7 parts of nano molybdenum disulfide and 15 parts of titanium dioxide into the primary mixed adhesive obtained in the step (1), sealing and fully mixing in a kneader, and grinding by a roller to obtain a base adhesive;
(3) And cooling the base adhesive, adding 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide and 2 parts of dibutyl tin dilaurate under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
Comparative example 6
The self-curing insulating coating material for the self-closing line of the electrified railway is prepared from the following components in parts by weight: 60 parts of modified allyl bisphenol A epoxy resin, 40 parts of glycidyl ester epoxy resin, 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide, 7 parts of quartz powder, 15 parts of titanium dioxide and 2 parts of dibutyl tin dilaurate; the curing agent is diaminodiphenyl methane and diethyl toluenediamine according to the mass ratio of 3: 1.
The preparation method of the modified allyl bisphenol A epoxy resin comprises the following steps: according to the parts by weight, 25 parts of allyl bisphenol A epoxy resin and 5 parts of beta-mercapto carboxylic acid are taken, 150 parts of solvent tetrahydrofuran is added, ultrasound is carried out for 20min, then 2 parts of photoinitiator 1173 is added, stirring is carried out for 15min at room temperature, UV photografting reaction is carried out, and finally, the solvent tetrahydrofuran is removed by rotary evaporation, thus obtaining the ultraviolet light grafting adhesive.
The preparation method of the glycidyl ester type epoxy resin comprises the following steps: according to the parts by weight, 25 parts of bisphenol S type epoxy resin, 2 parts of dihydroxyphthalic acid and 0.2 part of tetramethyl ammonium hydroxide pentahydrate are taken, uniformly stirred, heated to 90 ℃, reacted for 2 hours to obtain a product, fully washed and oscillated according to the mass ratio of 3:1, and then stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
The self-curing insulating coating material for the electrified railway self-closing line comprises the following steps:
(1) According to the weight portions, 60 portions of modified allyl bisphenol A epoxy resin and 40 portions of glycidyl ester epoxy resin are taken and fully mixed by a planetary mixer to obtain primary mixed glue;
(2) Adding 7 parts of quartz powder and 15 parts of titanium dioxide into the primary mixed glue obtained in the step (1), sealing and fully mixing in a kneader, and grinding by a roller to obtain a base glue;
(3) And cooling the base adhesive, adding 380 parts of flatting agent BYK, 12 parts of curing agent, 7 parts of aluminum hydroxide and 2 parts of dibutyl tin dilaurate under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
Specific technical parameters and cured properties of the self-curing insulating coating material for the electrified railway self-closing line prepared in the above example 1 are summarized as follows:
TABLE 1
| Project | Unit (B) | Measurement value |
| Density of | g/cm 3 | 1.12 |
| Curing time | min | 23.8 |
| Possessing intensity time | h | 3.2 |
| Hardness of | Shore A | 37 |
| Tensile Strength | Mpa | 18.9 |
| Elongation at break | % | 320 |
| Adhesion force | N/cm | 25.8 |
| Flame retardant FV | Stage | FV-1 |
| Wear resistance (abrasion loss) | g | 0.21 |
Tensile testing uses the UL758/UL1581 standard, wherein the tensile strength gauge: 50mm; stretching speed of elongation: 500mm/min; the heat aging test uses the UL758/UL1581 standard, wherein the test conditions for tensile strength residual ratio: 136 ℃ x 168h; elongation rate of elongation residue: 500mm/min; sample materials prepared in examples 1-3 and comparative examples 1-2 were assayed, and each material was repeatedly assayed 5 times.
Statistical analysis was performed using SPSS 24.0 software, the data results were expressed as' x s (mean square error), the data normalization was verified using the Kolmogorov-Smirnov test, for data meeting the normal distribution, the mean difference between the two groups was compared using t-test, the difference was statistically significant using P <0.05, and the results were shown in table 2:
TABLE 2
| Experimental group | Tensile strength Mpa | Residual tensile strength% |
| Example 1 | 18.9±0.4 | 97.2±1.8 |
| Example 2 | 18.7±0.3 | 96.9±1.5 |
| Example 3 | 18.6±0.2 | 96.7±1.1 |
| Comparative example 1 | 14.2±0.1* | 88.6±2.3* |
| Comparative example 2 | 14.6±0.2* | 87.9±1.5* |
Note that: * Representing a comparison of P <0.05 with example 1 group.
The sample materials prepared in examples 1 to 3 and comparative examples 3 to 4 were each repeatedly measured 5 times for the curing time corresponding to the absence of pits after being released by pressing with a finger and for the possessing strength time corresponding to the time when the tensile strength was measured to be higher than 12Mpa, and the measurement results are shown in table 3:
TABLE 3 Table 3
| Experimental group | Curing time min | Possessing intensity time h |
| Example 1 | 23.8±1.8 | 3.2±0.5 |
| Example 2 | 24.5±1.2 | 3.3±0.3 |
| Example 3 | 24.9±1.4 | 3.4±0.5 |
| Comparative example 3 | 31.8±1.6* | 5.9±0.4* |
| Comparative example 4 | 32.4±2.1* | 5.6±0.2* |
Note that: * Representing a comparison of P <0.05 with example 1 group.
The sample materials prepared in examples 1-3 and comparative examples 5-6 were tested for abrasion resistance using an MZ-4061 type Alcloned abrasion machine. The main technical indexes are as follows: the acting force applied by the rubber wheel is 26.7N, the revolution speed of the rubber wheel shaft is 76+/-2 rpm, the revolution radius of the grinding wheel shaft is 34+/-1 cm, the angle between the rubber wheel shaft and the grinding wheel shaft is 0-45 degrees, and the power supply voltage is AC220 V+/-10% V.
The testing steps are as follows:
(1) The glue wheel with the adhered sample is fixed on a return shaft, the power supply of an electronic counter is connected, a power switch is turned on, a preset number key is adjusted to 600 turns, the pre-grinding is started by pressing the start button, the pre-grinding is started for 15min, after the number reaches a preset value, the zero clearing button is pressed, the glue wheel is taken down, the glue wheel is weighed by a balance, and the weight A1 is recorded to be accurate to 0.01g.
(2) And fixing the pre-ground rubber wheel on a rubber wheel shaft, adjusting a preset number key to 3000 revolutions, testing the mileage to 1.5km, taking down a sample after the test is finished, brushing off rubber scraps, weighing within 1h, and marking the weight as the mass A2 to be accurate to 0.01g.
(3) And (5) calculating abrasion loss: abrasion loss=a1 to A2 (unit g).
The measurement results are shown in Table 4:
TABLE 4 Table 4
| Experimental group | Abrasion loss g |
| Example 1 | 0.21±0.03 |
| Example 2 | 0.22±0.02 |
| Example 3 | 0.23±0.02 |
| Comparative example 5 | 0.39±0.01* |
| Comparative example 6 | 0.42±0.03* |
Note that: * Representing a comparison of P <0.05 with example 1 group.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The self-curing insulating coating material for the self-closing line of the electrified railway is characterized by being prepared from the following components in parts by weight: 40-80 parts of modified allyl bisphenol A epoxy resin, 30-50 parts of glycidyl ester type epoxy resin, 2-5 parts of flatting agent, 8-15 parts of curing agent, 5-10 parts of flame retardant, 5-8 parts of wear-resistant agent, 10-20 parts of filler and 1-3 parts of catalyst;
the curing agent is diaminodiphenyl methane and diethyl toluenediamine according to the mass ratio of 3: 1;
the wear-resistant agent is nano molybdenum disulfide and quartz powder according to the mass ratio of 1: 1.
2. The electrified railway self-closing self-curing insulating coating material according to claim 1, wherein the preparation method of the modified allyl bisphenol a type epoxy resin is as follows: according to the weight portions, 20-30 portions of allyl bisphenol A epoxy resin and 3-8 portions of beta-mercapto carboxylic acid are taken, 100-200 portions of solvent tetrahydrofuran are added, ultrasound is carried out for 10-30min, then 1-3 portions of photoinitiator 1173 are added, stirring is carried out for 10-20min at room temperature, UV light grafting reaction is carried out, and finally solvent tetrahydrofuran is removed through rotary evaporation.
3. The electrified railway self-closing self-curing insulating coating material according to claim 1, wherein the preparation method of the glycidyl ester type epoxy resin is as follows: according to the weight portions, 20 to 30 portions of bisphenol S type epoxy resin, 1 to 3 portions of dihydroxyphthalic acid and 0.1 to 0.3 portion of tetramethyl ammonium hydroxide pentahydrate are taken, evenly stirred, heated to 80 to 100 ℃, reacted for 1 to 3 hours to obtain a product, the product and water are fully washed and oscillated according to the mass ratio (2 to 4): 1, and then are stood for layering, and the lower layer is taken to obtain the glycidyl ester type epoxy resin.
4. The self-closing self-curing insulating coating material for the electrified railway according to claim 1, wherein the leveling agent is one or more of leveling agent BYK331, leveling agent BYK380 and leveling agent TEGO-410.
5. The self-closing wire self-curing insulating coating material for electrified railway according to claim 1, wherein the flame retardant is one or more of aluminum hydroxide, antimony oxide, para-hydrogen ammonium phosphate and hexaphenoxycyclotriphosphazene.
6. The self-closing wire self-curing insulating coating material for electrified railway according to claim 1, wherein the filler is one or more of titanium dioxide, aluminum nitride, wollastonite and barium sulfate.
7. The electrified railway self-closing self-curing insulating coating material according to claim 1, wherein the catalyst is one or more of dibutyl tin dilaurate, stannous octoate and triallyl isocyanurate.
8. The electrified railway self-closing self-curing insulating coating material according to claim 1, characterized by being carried out according to the following steps:
(1) According to the parts by weight, 40-80 parts of modified allyl bisphenol A epoxy resin and 30-50 parts of glycidyl ester epoxy resin are taken and fully mixed by a planetary mixer to obtain primary mixed glue;
(2) Adding 5-8 parts of wear-resistant agent and 10-20 parts of filler into the primary mixed glue obtained in the step (1), sealing and fully mixing in a kneader, and grinding by a roller to obtain base glue;
(3) Cooling the base adhesive, adding 2-5 parts of flatting agent, 8-15 parts of curing agent, 5-10 parts of flame retardant and 1-3 parts of catalyst under stirring, fully mixing and stirring, and discharging to obtain the adhesive.
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